Samsung DE68-02846A Specifications

08/2011
Mod: CM1529
Production code: CM-1529A
BASIC:
CM1529
CM1529A
MODEL:
MODEL CODE: CM1529A
Handle Door Design.
2. 0.9 cu.ft Cavity
3. High Power Output
P
1
2
3
4
5
6
7
8
9
+ 20sec
0
• Contents
1. Precaution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-1 Safety precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-2 Special High Voltage Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2-1 Table of Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3. Operating Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3-1 Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3-2 Features & External Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4. Disassembly and Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4-1 Replacement of Magnetron, Motor Assembly and Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4-2 Replacement of High Voltage Transfomer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4-3 Replacement of Door Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4-3-1 Removal of Door Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4-3-2 Removal of Door Handle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4-3-3 Reassembly Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4-4 Replacement of Fuse and H.V Fuse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4-5 Replacement of Drive Motor & Assy Stirrer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4-5-1 Replacement of Drive Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4-5-2 Replacement of Ass’y Stirrer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4-6 Replacement of Control Circuit Box Assy and P.C.Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4-6-1 Removal of Control Box Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4-6-2 Removal of main P.C.Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4-7 Replacement of Fan Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4-8 Replacement of Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4-9 Replacement of Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4-10 Replacement of Air Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4-11 Replacement of High Voltage Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5. Alignment and Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5-1 High Voltage Transformer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5-2 Magnetron. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5-3 High Voltage Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5-4 High Voltage Diode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5-5 Main Relay and Power Control RelayA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5-6 Adjustment of Primary Switch, Door Sensing Switch and Monitor Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5-7 Output Power of Magnetron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5-8 Microwave Heat Distribution - Heat Evenness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5-9 Procedure for Measurement of Microwave Energy Leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5-10 Note on Measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5-11 Record keeping and notification after measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6-1 Electrical Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6-2 Error Codes & Corrections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7. Exploded Views and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7-1 Exploded Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7-2 Main Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7-3 Door Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7-4 Control Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7-5 Standard Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8. Schematic Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8-1 Schematic Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9. Electrical Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9-1 Electrical Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10. Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10-1 Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10-2 Description of Operating Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
11. Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11-1 Model name standard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11-2 Customer inquiry cases and countermeasures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
2
1. Precaution
3
1. Precaution
Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use,
repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially
lethal high voltages and currents.
1-1 Safety precautions (
)
13. Design Alteration Warning: Use exact replacement
parts only, i.e.,only those that are specified in
thedrawings and parts lists of this manual. This
is especially important for the Interlock switches,
described above. Never alter or add to the
mechanical or electrical design of the MWO.
Any design changes or additions will void the
manufacturer’s warranty. Always unplug the unit’s
AC power cord from the AC power source before
attempting to remove or reinstall any component or
assembly.
14. Never defeat any of the B+ voltage interlocks. Do not
apply AC power to the unit (or any of its assemblies)
unless all solid-state heat sinks are correctly
installed.
15. Some semiconductor (“solid state”) devices
are easily damaged by static electricity. Such
components are called Electrostatically Sensitive
Devices (ESDs). Examples include integrated
circuits and field-effect transistors. Immediately
before handling any semiconductor components or
assemblies, drain the electrostatic charge from your
body by touching a known earth ground.
16. Always connect a test instrument’s ground lead to
the instrument chassis ground before connecting the
positive lead; always remove the instrument’s ground
lead last.
17. When checking the continuity of the witches or
transformer, always make sure that the power is
OFF, and one of the lead wires is disconnected.
18. Components that are critical for safety are indicated
in the circuit diagram by shading,
or
.
19. Use replacement components that have the same
ratings, especially for flame resistance and dielectric
strength specifications. A replacement part that does
not have the same safety characteristics as the
original might create shock, fire or other hazards.
NOTE : Connect the oven to a 20A. When
connecting the oven to a 15A,make sure that circuit
breaker can operate.
1. All repairs should be done in accordance with the
procedures described in this manual. This product
complies with Federal Performance Standard 21
CFR
2. Microwave emission check should be performed to
prior to servicing if the oven is operative.
3. If the oven operates with the door open :Instruct
the user not to operate the oven and contact
the manufacturer and the center for devices and
radiological health immediately.
4. Notify the Central Service Center if the microwave
leakage exceeds 5 mW/cm2.
5. Check all grounds.
6. Do not power the MWO from a “2-prong” AC cord.
Be sure that all of the built-in protective devices are
replaced. Restore any missing protective shields.
7. When reinstalling the chassis and its assemblies,
be sure to restore all protective devices, including:
nonmetallic control knobs and compartment covers.
8. Make sure that there are no cabinet openings
through which people --particularly children--might
insert objects and contact dangerous voltages.
Examples: Lamp hole,ventilation slots.
9. Inform the manufacturer of any oven foundto have
emission in excess of 5 mW/cm2 ,Make repairs to
bring the unit into compliance at no cost to owner
and try to determine cause. Instruct owner not to use
oven until it has been brought into compliance.
CENTRAL SERVICE CENTER
10. Service technicians should remove their watches
while repairing an MWO.
11. To avoid any possible radiation hazard,replace parts
in accordance with the wiring diagram. Also, use
only the exact replacements for the following parts:
Primary and secondary interlock switches, interlock
monitor switch.
12. If the fuse is blown by the Interlock Monitor Switch:
Replace all of the following at the same time:
Primary, door sensing switch and power relay, as
well as the Interlock Monitor Switch. The correct
adjustment of these switches is described elsewhere
in this manual. Make sure that the fuse has the
correct rating for the particular model being repaired.
4
1. Precaution
1-2 Special High Voltage Precautions
1. High Voltage Warning Do not attempt to measure any of
the high voltages --this includes the filament voltage of the
magnetron. High voltage is present during any cook cycle.
Before touching any components or wiring, always unplug
the oven and discharge the high voltage capacitor (See
Figure 1-1)
2. The high-voltage capacitor remains charged about 30
seconds after disconnection. Short the negative terminal
of the high-voltage capacitor to to the oven chassis. (Use a
screwdriver.)
3. High voltage is maintained within specified limits by closetolerance, safety-related components and adjustments. If
the high voltage exceeds the specified limits, check each
of the special components.
Discharge the 2 High Voltage Capacitors
before servicing!
Screwdriver
H.V.Capacitors
Negative Terminal
Note : Touch chassis side first then short
to the high voltage capacitor terminal
by using a screwdriver.
PRECAUTION
There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH
VOLTAGE TRANSFORMER secondary and filament terminals. It is extremely dangerous to work on or
near these circuits with the oven energized.
DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron.
PRECAUTION
Servicemen should remove their watches whenever working close to or replacing the magnetron.
PRECAUTION
Never touch any circuit wiring with your hand nor with uninsulated tool during operation.
5
2-1 Table of Specifications
Items
Model
Model Basic
Model New
Model
CM1929, CM1919/ELE
Timer
Max. 25min (Power Level : HIGH)
Max. 25min (Power Level : HIGH)
230V 50Hz, AC
240V 50Hz, AC
Microwave : 3200W
Microwave : 3000W
1850W (IEC-705)
15000W (IEC-705)
2450MHz
2450MHz
OM75P(20)ESS
OM75P(20)ESGN
Outside
464 x 368 x 557mm
464 x 368 x 557mm
Oven Cavity
370 x 190 x 370mm
370 x 190 x 370mm
32Kg
32Kg
Power Source
Power Consumption
Output Power
Operating Frequency
Magnetron
Dimensions
(W x H x D)
Net
Shipping
34,5 Kg
.
6
CM1529A
34,5 Kg
.
3. Operating Instructions
3-1 Control Panel
1
2
P
4
1
2
3
4
5
6
7
8
9
0
+ 20sec
3
1.
2.
3.
4.
5.
5
6
7
6.
7.
8.
9.
10.
DISPLAY
PROGRAM PAD
PROGRAM LOCK PAD
NUMBER PADS(Time, Memory
Programming)
POWER LEVEL SELECTOR PAD
7
8
9
10
DEFROST SELECTOR PAD
DOUBLE QUANTITY PAD
+20sec PAD (One Touch Cook Pad)
STOP/CANCEL PAD
START BUTTON
3. Operating Instructions
3-2 Features & External Views
CONTROL PANEL
OVEN LAMP (230V 25W)
DISPLAY
OVEN LAMP COVER
START BUTTON
CEILING COVER
DOOR HANDLE
SAFETY INTERLOCK
HOLES
DOOR
PLATE TRAY
DOOR LATCHES
AIR FILTER
557
530
43
368
464
10
444
486
1000
514
8
26
4. Disassembly and Reassembly
4-1 Replacement of Magnetron, Motor Assembly and Lamp
Remove the magnetron including the shield case,
permanent magnet, choke coils and capacitor (all
of which are contained in one assembly).
Duct-MGT-L
Nut-Flange
1. Remove the outer panel.
NOTE: B
efore servicing, make sure to discharge electric
charge remaining on the high voltage capacitors
or wait for more than 5 min.
2. Remove the back cover.
3. Disconnect all lead wires from the magnetron.
4. Remove screws securing the duct-MGT and
duct-fan.
5. Remove the nut-flanges securing the magnetron by
using a box wrench.
6. Take out the magnetron very carefully.
NOTE1: W
hen removing the magnetron, make sure that
its antenna does not hit any adjacent parts, or it
may be damaged.
NOTE2: W
hen replacing the magnetron, be sure to
remount the magnetron gasket in the correct
position and make sure the gasket is in good
condition.
(See page 19 for adjustment instructions.)
Duct-Fan
DuctMGT-R
Magnetron
4-2 Replacement of High Voltage Transfomer
1. Discharge the high voltage capacitor.
2. Disconnect all the leads.
3. Remove the mounting bolts.
4. Reconnect the leads correctly and firmly.
H. V. Trans
4 Mounting Bolts
9
4. Disassembly and Reassembly
4-3 Replacement of Door Assembly
4-3-1 Removal of Door Assembly
NOTE: Be sure to wear gloves when you disassemble or assemble the parts.
1. Remove hex bolts securing the upper hinge and lower hinge. Then remove the door assembly.
2. Insert the flat screwdriver or thin metal plate into the gap between the door E and door C to remove Door C
from the door assembly.
3. Remove 2 screws securing the Door Handle.
4. Unbend the 6 metal tabs around the trim of Decoration Door Cover.
5. Remove 3 screws securing the Door E Assay.
6. Remove upper hinge and lower hinge.
7. Remove Decoration Door, Screen B, Key-Door, Spring-Key, Pin-Key as needed.
4-3-2 Removal of Door Handle
1. Remove hex bolts securing the upper hinge and lower hinge. Then remove the door assembly.
2. Insert the flat screwdriver or thin metal plate into the gap between the door E and door C to remove Door C
from the door assembly.
NOTE: Be careful when handling Door C as is fragile.
NOTE: The thickness of the flat screwdriver or thin metal plate inserted into the gap should be 0.5mm or less.
3. Remove 2 screws securing the Door Handle to the Door E Assy.
4. Unbend the 2 metal tabs at both ends of the Door Handle to remove the Door Handle Cover from the Door
Handle.
Door C
Upper Hinge
Door E Ass'y
Decoration Door
Screen B
Decoration Door Cover
2 screws securing
Door Handle
Lower Hinge
Spring-Key
#-
4
Door Handle Cover
Key-Door
Pin-Key
W
ATT
S
Door Handle
4-3-3 Reassembly Test
After replacement of the defective component parts of the door, reassemble it and follow the instructions
below for proper installation and adjustment so as to prevent an excessive microwave leakage.
1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face
plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.
2. Adjust so that the door has no play between the inner door surface and oven front surface. If the door
assembly is not mounted properly, microwave energy may leak from the space between the door and oven.
3. Do the microwave leakage test.
10
4. Disassembly and Reassembly
4-4 Replacement of Fuse and H.V Fuse
1. Disconnect the oven from the power source.
2. Remove defective fuse from Noise filter.
3. When replacing the fuse, be sure to use an exact
replacement part. If new fuse blows out again after
replacement, check the primary interlock switch,
door sensing switch and interlock monitor switch.
4. When the above three switches operate properly,
check if any other part such as the control circuit
board, fan motor or high voltage transformer is
defective.
10A Fuse
H.V.Fuse
4-5 Replacement of Drive Motor & Assy Stirrer
4-5-1 Replacement of Drive Motor
1. Remove a screw securing the drive motor
2. Open the door.
3. Hold side syoppers of ceiling cover (Ass’y Stirrer
Cover) with both hands and pull them in and down.
4. Take the celing cover out of the oven cavity.
5. Remove plastic clips securing the Ass’y Stirrer.
Caution: W
hen removing the Ass’y Stirrer Cover,be
sure to be extremely careful about the
exposed inside components on the top of
the oven cavity. If any of them are deformed,
abnormal symptom can happen such as
arcing or sparks during operation.
To remove Ass'y Stirrer Cover: Hold
side stoppers of ceiling cover with both
hands and pull them in and down.
4-5-2 Replacement of Ass’y Stirrer
Screw
Drive Motor
1. Remove outer panel and back-cover.
2. Disconnect all the lead wires from the drive motor.
3. Remove a screw securing the drive motor.
4. When replacing the drive motor, be sure to remount
it in the correct position with the coupler.
5. Connect all the leads to the drive motor.
6. Screw the drive motor to the bracket motor with a
screw driver
Ass’y Stirrer
Ass’y Stirrer Cover
11
Plastic Clips
4. Disassembly and Reassembly
4-6 Replacement of Control Circuit Box Assy and P.C.Board
4-6-1 Removal of Control Box Assembly
1. Be sure to discharge any static electric charge built up on your body and avoid touching the touch control
circuitry.
2. Remove 3 screws securing the Control Box Ass’y to the oven cavity.
3. Disconnect all the lead wires, connectors and ground taping from the main control circuit board (PCB1).
4. Lift up the FPC connector hooks about 5mm upward which connects to the main control circuit board (PCB1)
from the tail of switch membrane of the control box assembly.
5. Remove a screw securing the tapped taping to PCB1.
6. Remove Control Box Ass’y.
7. To replace Digitron, remove 2 screws securing the PCB 4.
8. To replace Start Button Circuitry, remove 2 screws securing the PCB3.
9. Unbend the metal tabs holding the Panel -Base to Control Box body.
4-6-2 Removal of main P.C.Board
1. Remove Control Box Assembly by following the steps 1~ 5 at left.
2. Remove 4 screws securing the main P.C.Board to the bracket P.C.Board.
NOTE: When handling the the touch control circuitry, be most careful to avoid damage.
Main P.C.Board
(PCB1)
Wire Harness-C
Digitron(PCB4)
Wire Harness-B
Panel Base
Wire Harness-F
Window-Display
Cover Panel
PCB3
Cover-Panel/L
Switch-Membrane
Control Box Assy
Cover-Panel/R
12
4. Disassembly and Reassembly
4-7 Replacement of Fan Motor
1. Remove the outer panel and back-cover.
2. Discharge the high voltage capacitor.
3. Remove all the lead wires from Magnetron and
High Voltage Capacitor.
4. Remove 2 screws securing the duct fan.
5. Remove 2 screws securing the Supporter-Fan
Mount.
6. Lift the Fan Motor Ass’y slightly left and pull it out.
7. Remove lead wires and connectors.
8. Turn the fan motor Ass’y over so that the bracket
side is up.
9. Remove 2 screws securing the Fan Motor.
Ventilation Motor
C-Film
Supporter-Fan-Mount
Duct-Fan
4-8 Replacement of Tray
1. Open the door.
2. Remove the tray by inserting a thin metal tool
into the gap between the oven wall and the tray
siliconcover.
3. Insert the new tray by tilting it across the oven
cavity.
4. Firstly fix the front part (refers to the place where
the silicon cover is thinner than the other 3 edges)
and then place the backward part carefully and
firmly.
NOTE: Be careful when you handle the tray since it is
fragile.
Tray
4-9 Replacement of Lamp
NOTE: You don’t need to remove the outer panel or
other parts in order to replace a lamp.
1. Remove a screw securing the lamp cover.
2. Remove the lamp by rotating it clockwise.
3. Replace with a new lamp by rotating it counterclockwise.
Lamp Cover
NOTE : If it is necessary to replace the lamp holder,
you can disconnect lead wires by pushing
down on the hole of lead wires using a long
pointed tool.
Outer Panel
13
Lamp Holder
4. Disassembly and Reassembly
4-10 Replacement of Air Filter
1. Remove the bolt at both ends of the Air Filter. Then
the locking clamps inside are released.
2. L
ift the Air Filter off the post carefully.
NOTE : S
pacer pins are not detachable from the
Air Filter
Bolt
4-11 Replacement of High Voltage Capacitor
NOTE: It is not necessary to remove Magnetron in
order to remove HVC.
1. Remove the outer panel and back cover.
2. Discharge the high voltage capacitor.
3. Remove HVT wire and H.V.Fuse.
4. Remove screws securing HVC bracket.
H.V.Capacitor
14
5. Alignment and Adjustments
PRECAUTION
1. High voltage is present at the high voltage terminals during any cook cycle.
2. It is neither necessary nor advisable to attempt measurement of the high voltage.
3. Before touching any oven components or wiring, always unplug the oven from its power source and
discharge the high voltage capacitor.
5-1 High Voltage Transformer
1. Remove connectors from the transformer terminals and
check continuity.
2. Normal resistance readings are as follows:
Terminal
Resistance
Secondary
Approx. 98 Ω
Filament
Approx. 0 Ω
Primary
Approx. 1.3 Ω
Primary
Terminals
Secondary
Terminal
(Room temperature = 20°C)
5-2 Magnetron
1. Continuity checks can indicate only an open filament or
a shorted magnetron. To diagnose an open filament or
shorted magnetron.
2. Isolate the magnetron from the circuit by disconnecting its
leads.
3. A continuity check across the magnetron filament terminals
should indicate one ohm or less.
4. A continuity check between each filament terminal and
magnetron case should read open.
Magnetron Antenna
Gasket Plate
Cooling Fins
5-3 High Voltage Capacitor
1.
2.
3.
4.
5.
Check continuity of the capacitor with the meter set at the highest resistance scale.
Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9MΩ.
A shorted capacitor will show continuous continuity.
An open capacitor will show constant 9MΩ.
Resistance between each terminal and chassis should read infinite.
15
5. Alignment and Adjustments
5-4 High Voltage Diode
1. Isolate the diode from the circuit by disconnecting its leads.
2. With the ohm-meter set at the highest resistance scale, measure across the diode terminals. Reverse the meter
leads and read the resistance. A meter with 6V, 9V or higher voltage batteries should be used to check the front-to
back resistance of the diode (otherwise an infinite resistance may be read in both directions). The resistance of a
normal diode will be infinite in one direction and several hundred KΩ in the other direction.
5-5 Main Relay and Power Control RelayA
1. The relays are located on the PCB Ass’y. Isolate them from the main circuit by disconnecting the leads.
2. Operate the microwave oven with a water load in the oven. Set the power level set to high.
3. Check continuity between terminals of the relays after the start pad is pressed.
5-6 Adjustment of Primary Switch, Door Sensing Switch and Monitor
Switch
PRECAUTION
For continued protection against radiation hazard, replace parts in accordance with the wiring diagram
and be sure to use the correct part number for the following switches: Primary and secondary interlock
switches, and the interlock monitor switch (replace all together). Then follow the adjustment procedures
below. After repair and adjustment, be sure to check the continuity of all interlock switches and the
interlock monitor switch.
1. When mounting Primary switch and Interlock Monitor
switch to Latch Body, consult the figure.
2. No specific adjustment during installation of Primary
switch and Monitor switch to the latch body is
necessary.
3. When mounting the Latch Body to the oven
assembly, adjust the Latch Body by moving it so
that the oven door will not have any play in it. Check
for play in the door by pulling the door assembly.
Make sure that the latch keys move smoothly
after adjustment is completed. Completely tighten
the screws holding the Latch Body to the oven
assembly.
4. Reconnect to Monitor switch and check the
continuity of the monitor circuit and all latch switches
again by following the components test procedures.
5. Confirm that the gap between the switch housing
and the switch actuator is no more than 0.5mm
when door is closed.
6. Interlock Switch Replacement - When replacing
faulty switches, be sure switch mounting tabs are not
bent, broken or otherwise deficient in their ability to
secure the switches in place.
Latch-Body
Door Sensing S/W
Lever-Switch/U
Interlock Monitor S/W
Primary S/W
Lever-Switch/L
Primary S/W
Interlock Monitor S/W
NC
COM
NO
WHT
BRN
COM
COM
NO
BRN/ORG
BLU
COM
NO
WHT
16
RED/YEL
PINK/PINK COM
NC
RED/WHT
NO
BRN
BRN/AZR
Primary Interlock switch
Monitor switch(COM-NC)
Monitor switch(COM-NO)
Door Sensing S/W
(Secondary Interlock S/W)
Door Sensing S/W
NO
ORG
ORG
Door Open Door Closed
0
∞
∞
0
0
∞
0
∞
5. Alignment and Adjustments
5-7 Output Power of Magnetron
PRECAUTION
MICROWAVE RADIATION
PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE
GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY.
The output power of the magnetron can be measured by performing a water temperature rise test.
Equipment needed :
• Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm)
• One glass thermometer with mercury column
NOTE: Check line voltage under load. Low voltage will lower the magnetron output. Make all temperature and
time tests with accurate equipment.
1. Fill the one liter glass vessel with water.
2. Stir water in glass vessel with thermometer, and record glass vessel’s temperature (“T1”, 10±1°C).
3. After moving the water into another glass vessel, place it in the center of the cooking tray. Set the oven to high
power and operate for 25 seconds exactly. (3 seconds included as a holding time of magnetron oscillation:)
4. When heating is finished, stir the water again with the thermometer and measure the temperature (“T2”).
5. Subtract T1 from T2. This will give you the water temperature rise. (∆T)
6. The output power is obtained by the following formula;
Output Power = 4.187 x 1000 x ∆T+0.55xMcx(T2 -T1)
22
: Heating Time (sec)
4.187 : Coefficient for Water
22
1000 : Water (cc)
∆T
: Temperature Rise (T2-T1)
To
: Room Temperature
Mc
: Cylindrical borosilicate glass weight
7. Normal temperature rise for this model is 7°C to 10°C at ‘HIGH’.
NOTE 1: Variations or errors in the test procedure will cause a variance in the temperature rise. Additional power
test should be made if temperature rise is marginal.
NOTE 2: Output power in watts is computed by multiplying the temperature rise (step 5) by a factor of 91 times the
of centigrade temperature.
5-8 Microwave Heat Distribution - Heat Evenness
The microwave heat distribution can be checked indirectly by measuring the water temperature rise at certain
positions in the oven:
1. Prepare five beakers made of ‘Pyrex’, having 100 milliliters capacity each.
2. Measure exactly 100milliliters off water load with a measuring cylinder, and pour into each beaker.
3. Measure the temperature of each water load. (Readings shall be taken to the first place of decimals.)
4. Put each beaker in place on the cooking tray as illustrated in figure below. Start heating.
D
5. After heating for 2 minutes, measure the water temperature in each beaker.
Beaker
D
6. Microwave heat distribution rate can be calculated as follows:
Heat Distribution =
Minimum Temperature Rise
Minimum Temperature Rise
The result should exceed 65%
X 100(%)
D/4
17
D/4
D/4
D/4
Cooking Tray
5. Alignment and Adjustments
5-9 Procedure for Measurement of Microwave Energy Leakage
1. Pour 275±15cc of 20±5°C(68±9°F) water in a beaker which is graduated to
600cc, and place the beaker in the center of the oven.
2. Start to operate the oven and measure the leakage by using a microwave
energy survey meter.
3. Set survey meter with dual ranges to 2,450MHz.
4. When measuring the leakage, always use the 2 inch spacer cone with the
probe. Hold the probe perpendicular to the cabinet door. Place the spacer
cone of the probe on the door and/or cabinet door seam and move along
the seam, the door viewing window and the exhaust openings moving the
probe in a clockwise direction at a rate of 1 inch/sec. If the leakage testing of the cabinet door seam is taken near
a corner of the door, keep the probe perpendicular to the areas making sure that the probe end at the base of the
cone does not get closer than 5cm to any metal. If it gets closer than 5cm, erroneous readings may result.
5. Measured leakage must be less than 4mW/cm2 , after repair or adjustment.
Maximum allowable leakage is 5mW/cm2 .
4mW/cm2 is used to allow for measurement and meter accuracy
5-10 Note on Measurement
1. Do not exceed the limited scale.
2. The test probe must be held on the grip of the handle, otherwise a false
reading may result when the operator’s handle and the probe.
3. When high leakage is suspected, do not move the probe horizontally
along the oven surface; this may cause damage to the probe
4. Follow the recommendation of manufacturer of the microwave energy
survey meter.
Probe
Spacer Cone
5-11 Record keeping and notification after measurement
1. After adjustment and repair of a radiation preventing device, make a repair record for the measured values, and
keep the data.
2. If the radiation leakage is more than 4mW/cm2 after determining that all parts are in good condition, functioning
properly and the identical parts are replaced as listed in this manual notify that fact to ;
CENTRAL SERVICE CENTER
3. At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer
18
6. Troubleshooting
PRECAUTION
1.
2.
3.
4.
CHECK GROUNDING BEFORE CHECKING FOR TROUBLE.
BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT.
DISCHARGE THE HIGH VOLTAGE CAPACITOR.
WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE
LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE
ON. TO DO OTHERWISE MAY RESULT IN A FALSE READING OR DAMAGE TO YOUR METER.
5. DO NOT TOUCH ANY PART OF THE CIRCUIT OR THE CONTROL CIRCUIT BOARD, SINCE STATIC
DISCHARGE MAY DAMAGE IT. ALWAYS TOUCH GROUND WHILE WORKING ON IT TO DISCHARGE
ANY STATIC CHARGE BUILT UP.
6-1 Electrical Malfunction
SYMPTOM
Oven is dead.
Fuse is OK.
No display and no
operation at all.
No display and no
operation at all. Fuse is
blown.
Oven does not accept
key input (Program)
Timer starts countdown
but no microwave
oscillation.
(No heat while oven lamp
and fan motor turn on.)
CAUSE
1. Open or loose lead wire harness
2. Open thermal cutout (Magnetron)
3. Defective Ass’y PCB
CORRECTIONS
Check fan motor when thermal cutout
is defective.
Check adjustment of primary,
1. Shorted lead wire harness
2. Defective primary latch switch (NOTE 1) interlock monitor, power relay, door
sensing switch.
3. Defective monitor switch (NOTE1)
4. Shorted H.V.Capacitor
5. Shorted H.V.Transformer (NOTE2)
NOTE 1 : All of these switches must be replaced at the same time.(refer to
adjustment instructions) Check continuity of power relay contacts and if it
has continuity, replace power relay also.
NOTE 2 : When H.V.Transformer is replaced, check diode and magnetron also.
Refer to operation procedure.
1. Key input is not in-Sequence
2. Open or loose connection of membrane
key pad to Ass’y PCB
3. Shorted or open membrane panel
4. Defective Ass’y PCB
Replace PCB main.
1. Open or loose connection of high
voltage circuit especially magnetron
filament circuit
NOTE : L
arge contact resistance will
bring lower magnetron filament
voltage and cause magnetron to
lower output and/or intermittent
oscillation.
2. Defective high voltage components
H.V.Transformer H.V. Capacitor
H.V.Diode, H.V.Fuse Magnetron
19
Adjust door and latch switches.
Check high voltage component
according to component test
procedure and replace if it is
defective.
6. Troubleshooting
SYMPTOM
Oven lamp goes off
Microwave output is low;.
Oven takes longer time to
cook food.
(Noheat while oven lamp and
ventilation)
CAUSE
1. Loose lead wire or open filament
2. Misadjustment of latch switch
3. Defactive primary latch switch
1. Decrease in power source voltage.
2. Open or loose wiring of magnetron
filament circuit.
(Intermittent oscillation))
3. Aging of magnetron
4. Defective high voltage compnents
H.V. Transfomer
H.V. Capacitor
H.V. Diode, H.V. Fuse
Magnetron
Defective Ass’y PCB
Oven does not operate and
return to the plugged in mode.
Loud buzzing noise can be
1. Loose fan and fan motor
heard.
2. Loose screws on H.V.Transformer
3. Shorted H.V.Diode
4. Loose or missing screw on CoverBack
Drive motor not work.
1. Open or loose wiring of turntable
motor.
(Ass’y stirrer dose not rotate.)
2. Defective turntable motor.
3. Defective ass’y stirrer
Oven stops operation during
1.Operationofthermalcutout
cooking
(Magnetron or Cavity)
2. Fan motor does not rotate.
Sparks
1. Metallic ware or cooking dishes
touching on the oven wall.
2. Ceramic ware trimmed with gold or
silver powder also causes sparks.
Uneven cooking
Noise from the turntable
motor when it starts to
operate.
Oven can program but timer
does not start.
CORRECTIONS
Tighten lamp lead wire or replace with a
new lamp
Consult electrician.
Check high coltage component
according to component test procedure
and replace if defective
Replace PCB main.
Tighten screws of fan motor.
Tighten screws of H.V.Transformer.
Replace H.V.Diode.
Tighten screws of Cover-Back
Check the wire of drivemotor
Replace drive motor.
Replace ass’y stirrer.
Adjust door and latch switches.
Replace Fan motor.
Informthecustomerofproperuse.
Do not use any type of cookware with
metallic trimming.
Uneven intensity of microwave due to Wrap thinner parts of the food with
its characteristics.
aluminum foil.
Use plastic wrap or cover with a lid.
Stir once or twice while cooking
foods such as soup, cocoa, or milk.
Noise may result from the motor.
Replace turntable motor.
Defective circuitry of Start function of
Main P.C.B Ass’y
Loose lead wires.
20
Check circuitry of Start function of Main
P.C.B Ass’y and replace if defective.
Adjust od repair loose wires.
6. Troubleshooting
6-1 Electrical Malfunction (Continued)
21
6. Troubleshooting
6-1 Electrical Malfunction (Continued)
22
6. Troubleshooting
6-1 Electrical Malfunction (Continued)
23
6. Troubleshooting
6-2 Error Codes & Corrections
CODE
CAUSE
CORRECTIONS
E1
1. Improper input power freqency.
2. Defective Ass’y Main P.C.B
Check if power frequency is 50Hz.
Replace Ass’y Main P.C.B or MICOM
E3
1. Overtheating inside cavity
(no load or little load aging)
2. Air ventilation blocked around exhaust
area
3. Ventilation motor failure and magnetron
overheating
Check if the oven was operating without load or too
little load and plug the power cord in again. If error
code ‘E3’ appears again in the window display,
check resistance of Thermistor sensor and replace
if defective.
Check of any blocking mterials exhaust area
around the Air Exhaust or ventilation opening and
follow the instuctions above.
Check if the ventilation motor is operative
magnetron overheating and replace the motor if
defective.
E41
1. Main Relay (RY1) or Power Relay1(RY2)
failure
2. Loose lead wires of relay
3. Primary or Monitor S/W failure
4. Loose lead wires of Primary or Monitor
S/W
5. H.V.Trans input power sensing circuitry
failure
Check Main Relay (RY1), Power Relay1 (RY2)
Primary S/W and Monitor S/W and replace if
defective.
Check if lead wires are loosened and connect
firmly if loose.
Check the circuitry and replace if defective.
(Refer to Operating Sequence
as shown in page 32.)
E42
1. Main Relay (RY5) failure
2. Loose lead wires of Power relay (RY5)
3. Primary or Monitor S/W failure
4. Loose lead wires of Primary or Monitor
S/W
5. Fuse(10A)blown out on neutral area of
Ass’y Noise Filter.
6. H.V.Trans input power sensing circuitry
failure
Check Power Relay2,Primary S/W,Monitor S/W
or Fuse and replace if defective.
Check if lead wires are loosened and repair as
necessary.
1. Memory IC(EEPROM IC) failure
2. MICOM failure
Check Memory (IC3) and replace if defective.
Replace Ass’y Main P.C.B or MICOM.
E5
Check the circuitry.(Refer to Operating
Sequence as shown in page 32.)
24
7. Exploded Views and Parts List
7-1 Exploded Views
T108
T002
M102
M036
U003
R066
P047
M049
M066
M087
M078
P001
P075
P018
P017
M051
P019
M035
M029
P046
M020
B002
P048
B006
B018
Z016
M019
M017
M040
M112 M076
M041
Z781
M039
P069
B005
B012
B001
B001
B013
Z783
M024
W002
M042
M052
M155
M048
P061
M011
P074
M065
M129
M086
M001
M038
M015
25
7. Exploded Views and Parts List
7-2 Main Parts List
(S.N.A : SERVICE NOT AVAILABLE)
Level
No.
Code No.
1-1
M036
4713-000168
LAMP-INCANDESCENT
230V,-,25W,ORG,-,-,-
1
SA
1-1
Z783
6011-001140
BOLT-STUD
M4,L8,NI PLT,BSW
1
SNA
1-1
M066
DE01-00095A
FILM-LAMP
1
SA
1-1
M035
OM75P(20)ESGN
1
SA
1-1
M038
DE26-00058A
TRANS H.V
SHV-906EG1,230/240V,50HZ,2425V
1
SA
1-1
M049
DE31-10164B
MOTOR SYNCHRONOUS
M2CK34A709-H(B),120V60
1
SA
1-1
M029
DE47-20017A
THERMOSTAT
PW-2N(150/60,187Z),250V/7.5A,
1
SA
1-1
M102
DE47-40029A
SOCKET-LAMP
250V2A,22.23,E14,BJB,-,-,-
1
SA
1-1
R066
DE61-50520A
BRACKET-PCB
-,SECC,T0.8,CM-1819,-,-,-
1
SA
1-1
M011
DE61-50541A
BRACKET-EARTH
-,SGCC2,T1.0,W15,L8,-,-
1
SNA
1-1
U003
DE61-90318A
HOLDER-LAMP
W134,SECC,-,W134,L40.5,-,L40
1
SA
1-1
M078
DE69-90054A
CLIP-STIRRER
5MM,PFA,CM1819/29,-,
1
SNA
1-1
M001
DE70-30123A
PANEL-OUTER
-,STS430,T0.6,CM-1819,-,-,-,
1
SA
1-1
P046
DE72-50088A
DUCT-FAN
-,ALCOAT,T0.5,CM-1819,-,-,-
1
SA
1-1
P048
DE72-50089A
DUCT-MGT/R
-,SECC,T0.5,CM-1819,-,-,-
1
SA
1-1
P047
DE72-50090A
DUCT-MGT/L
CM-1819,SECC,T0.5,-,-,-,-
1
SA
1-1
M052
DE73-90027A
FERRITE-CORE
NI-ZN,T13.8,W21.0,L28.0,BNF
1
SNA
1-1
M020
DE91-50093T
ASSY-MOTOR FAN
-,240V,-,CM1919/1929,COMM
1
SA
1-2
M076
2301-001204
C-FILM,LEAD-PEF
1.50UF,-5TO+10%,450VAC,-
1
SA
1-2
M039
2501-001282
C-OIL
1.00UF,2100V(CLASS P),AL CAN T
1
SA
1-2
M024
DE31-10180A
MOTOR VENTILATION
SMV-1829EA,240V50HZ,22
1
SA
1-2
M040
DE61-00421A
BRACKET-HVC
CM1829,SECC,T0.8,-,-,-,-
1
SA
1-2
M112
DE61-30189A
SUPPORT-FAN-MOUNT
-,SECC,T1.0,CM-1819,-,
1
SA
1-2
M041
0402-001554
HVDIODE-RECTIFIER
HV03-12T01,12000V,0.4A
1
SA
1-1
M042
DE91-70061A
ASSY-H.V.FUSE
THV060T-0800-H,5KV/0.80A,W
1
SA
1-1
P074
DE92-90514A
ASSY-BACK COVER
CM-1819,CM-1829,-,-,-,-
1
SA
1-1
P001
DE92-90515A
ASSY-STIRRER
CM-1819,CM-1829,-,-,-,-
1
SA
1-1
P061
DE92-90516B
ASSY-BRACKET FILTER
CM1819,-,-,-,-,-
1
SA
1-1
P017
DE92-90519A
ASSY-DUCT AIR
CM1819/29,-,-,CM1819/29,-,
1
SA
1-2
P018
DE47-20169A
THERMOSTAT
PW-2N(100/60,H,23.8,250V/7.5A
1
SA
1-2
P019
DE72-50091A
DUCT-OVEN
-,STS430,T0.4,CM-1819,-,-,-
1
SA
1-1
P075
DE97-00562A
ASSY-COVER PANEL
CM1829,-,-,-,-,-
1
SA
1-2
M087
COVER-STIRRER
-,PP,CM-1819,-,-,-,-,-
1
SNA
1-2
M05
COVER-CEILING
-,MICA_SHEET,T0 .5,W348,L31
1
SNA
ASSY-FILTER
COMM-BONN,NEW BKT SUPPORT,-,
1
SA
1-1
Description
MAGNETRON
Specification
Q’ty
-,PET,-,84,T0.15,114,CM-1819,,1KW/2460MHZ,3
.15V/4
SA/SNA
Z016
DE92-90521D
1-2
P069
DE61-00723A
BRACKET-SUPPORT
CM1319,SECC/ALCOAT,T0.6,
1
SNA
1-2
M017
DE96­00734A
ASSY NOISE FILTER
SN-1829,230V/50HZ,-,-,
1
SA
1-3
M019
3601-000448
FUSE-CARTRIDGE
250V,10A,SLOW-BLOW,CERAMI
1
SA
1-3
Z781
3601-001126
FUSE-CARTRIDGE
250V,1.6A,FAST-ACTING,CER
1
SA
1-1
M129
DE92-90533A
ASSY-LAMP HOLDER
CM1819/CM1829,-,-,-,-,-
1
SA
1-2
M065
DE63-90190B
CUSHION-LAMP
CM1819/29,PUT-FOAM,T7.0,W10
1
SNA
1-2
M086
DE71-60422A
COVER-LAMP
-,STS430,T0.6,CM-1819,-,-,-,-
1
SNA
1-1
M155
DE93-10106C
ASSY BASE PLATE
CM1819,SECC
1
SA
1-2
M048
DE80-10113C
BASE-PLATE
CM1819,SECC1,-,-,-,-,-
1
SNA
26
Remark
H.V.T
7. Exploded Views and Parts List
7-2 Main Parts List(Continued)
(S.N.A : SERVICE NOT AVAILABLE)
Level
No.
Code No.
Description
1-1
B018
DE93-20097E
ASSY BODY LATCH
1-2
B002
3405-001032
SWITCH-MICRO
1-2
B001
3405-001034
1-2
B001
3405-001055
1-2
B005
1-2
B006
1-2
B012
Specification
Q’ty
SA/SNA
CM1819/1829,EUROPE
1
SA
125/250VAC,16A,200GF,SPDT
1
SA
SWITCH-MICRO
125/250VAC,16A,200GF,SPST-N
1
SA
SWITCH-MICRO
125/250VAC,16A,200GF,SPST-N
1
SA
DE61-00066A
SPRING-Q
CM1819/1829,MSWR,PI0.8,-,-,-,-
1
SA
DE66-40062A
LATCH-BODY
-,-,-,-,-,-,-
1
SA
DE66-90107A
LEVER-SWITCH(U)
PBT,CM-1819,-,-,-,-,-
1
SA
1-2
B013
DE66-90108A
LEVER-SWITCH(L)
PBT,CM-1819,-,-,-,-,-
1
SA
1-1
M015
DE96-00356G
ASSY POWER CORD
KKP-550A,-,250V15A,1700M
1
SA
1-1
W002
DE96-00503A
ASSY-WIRE HARNESS A
CM1929,230V 50HZ VI
1
SA
1-1
T002
DE97-00319A
ASSY-TRAY CERAMIC
CM1829,-,-,-
1
SA
1-2
T108
DE61-00170A
FOOT-TRAY
CM1049,URETHANE,-,WHT,-,-,-
1
SA
27
Remark
7. Exploded Views and Parts List
7-3 Door Parts List
D006
D049
D004
D008
D021
D024
D022
D011
D008
D007
D018
D019
D026
(S.N.A : SERVICE NOT AVAILABLE)
Level
No.
Code No.
1-1
D049
DE94-02846A
Description
ASSY DOOR
Q’ty
SA/SNA
CM1529,STS,1500W
Specification
1
SA
1-2
D018
DE60-60080A
PIN-KEY
A,M3.95,L21,STS304,-,CM-1819,-
1
SA
1-2
D007
DE61-70144A
SPRING-KEY
-,HSWR,PI1.0,-,OD6.5,L32.8,21
1
SA
1-2
D008
DE61-80138A
HINGE
-,SHV-945EG1,KEC,T3.0,W24.5,L2
1
SNA
1-2
D019
DE64-20123A
HANDLE
CM-1819,ZN-DICASTING,-,-,-,-,C
1
SA
1-2
D011
DE64-40296A
DOOR-KEY
-,CR3C,-,-,-,-,-,-
1
SA
1-2
D006
DE64-40298A
DOOR-C
-,PP,-,-,-,-,-,-
1
SA
1-2
D021
DE64-90145A
DECORATION-DOOR
-,ABS,CM-1819,-,-,-,CM-1
1
SA
1-2
D022
DE64-90146A
DECORATION-COV/DOOR
-,STS,CM-1819,-,-,-,
1
SA
1-2
D024
DE67-20174X
SCREEN-DOOR(B)
CM1929,GLASS,3.2,198.5,36
1
SA
1-2
D026
DE71-60433A
COVER-HANDLE
-,STS430,T0.5,CM-1819,-,-,-
1
SA
1-2
D004
DE92-50132B
ASSY DOOR-E
CM-1819,COATING,BLK
1
SA
28
Remark
DOOR-E
7. Exploded Views and Parts List
7-4 Control Parts List
#
#
#
#
#
#
#
#
#
#
(S.N.A : SERVICE NOT AVAILABLE)
Level
No.
1-1
C082
1-1
C082
1-2
1-3
Code No.
Description
Specification
Q’ty
SA/SNA
ASSY CONTROL-BOX
-,CM1529,-,COMMERCIAL
1
SA
DE94-02182H
ASSY CONTROL-BOX
CM1529,230V50HZ,BLACK,STS,ABS,HEA
VY-COMMERCIAL MWO,MEMBRANE
1
SA
C001
DE93-30529N
ASSY CONTROL-PANEL
-,CM1329,-,COMMERCIAL
1
C004
DE34-00158C
SWITCH MEMBRANE
CM1529A­1/XEU,COMMERCIAL,-,
1-3
C009
DE67-40161A
WINDOW-DISPLAY
-,RESIN-PMMA,82555,CM-181
1
SA
1-3
C020
DE70-30125A
PANEL-BASE
-,RESIN-ABS,TC,CM-1829,-,-,-,
1
SA
1-3
C021
DE71-60426A
COVER-PANEL
-,STS430,T0.5,TC,CM-1829,-,-
1
SA
1-3
C022
DE71-60428B
COVER-PANEL(L/L)
CM1019,ABS,-,-,-,-,-,CM
1
SA
1-3
C023
DE71-60429B
COVER-PANEL(L/R)
CM1019,ABS,-,-,-,-,-,CM
1
SA
1-3
C019
DE66-20212A
BUTTON-START
-,-,NI,CR-PLATING,-,-,CM-18
1
SA
1-2
C003
RCS-SMS2CM
ASSY PCB PARTS
CM1829 , 230V50HZ
1
SA
29
SA
1
Remark
0VER
SA
7. Exploded Views and Parts List
7-5 Standard Parts List
(S.N.A : SERVICE NOT AVAILABLE)
Level
Code No.
1-1
6002-000630
Description
SCREW-TAPPING
Specification
PH,+,2S,M3,L8,ZPC(YEL),SWR
Q’ty
SA/
SNA
1
SA
Remark
MAIN PCB
1-1
6002-001325
SCREW-TAPPING
TH,TORX,2S,M4,L12,ZPC(YEL)
1
SNA
1-1
6002-001326
SCREW-TAPPING
OH,+,1,M4,L8,NI PLT
3
SNA OUTER PANEL SIDE,COVER-LAMP,BASE
1-1
6006-001170
SCREW-ASSY TAPP
WS,TH,+,M4,L10,ZPC(YEL)
3
SNA S.MEM.EARTH,P/C EARTH,BKT-EARTH
1-1
6006-001176
SCREW-ASSY TAPT
WT,PH,+,M4,L8,ZPC(YEL)
6
SNA DUCT-MGT-R,DUCT-MGT-L,DUCT-FAN,BKT-HI
1-1
6011-001140
BOLT-STUD
M4,L8,NI PLT,BSW
1
SNA
1-1
DE60-10080A
SCREW-WASHER
-,-,-,-,M5,L12,-,2S,-,-
1
SA
HVT
1-1
DE60-10082I
SCREW-A
-,-,-,-,2S-4X10,FEFZY,-,-,-,-
3
SA
O/P,C-PANEL,BODY-LATCH
1-1
DE60-10199A
SCREW-WASHER
-,MSWR18C,4,L10,TH(WASHER),
7
SA
SUP-FAN,DUCT-OVEN,DUCT-MGT-R,DUCT-MGT
1-1
DE60-20014A
BOLT-FLANGE
M5,L10,MSWR3,FEFZY,-,-,-,-,-
1
SA
1-1
DE60-30015A
NUT-FLANGE
M5,P0.8,MSWR10,FEFZY,-,-,-,-,
1
1-2
6006-001176
SCREW-ASSY TAPT
WT,PH,+,M4,L8,ZPC(YEL)
1
SA
MGT
SNA HVD,HVC
1-2
DE60-10082I
SCREW-A
-,-,-,-,2S-4X10,FEFZY,-,-,-,-
2
SA
C-FILM,VENT-MOTOR
1-2
DE60-10045A
SCREW-TAP PH
-,-,FEFZY,-,PH,M3,-,L6,-,-
1
SA
TCO-DUCT
1-2
6002-000630
SCREW-TAPPING
PH,+,2S,M3,L8,ZPC(YEL),SWR
1
SA
1-2
6002-000630
SCREW-TAPPING
PH,+,2S,M3,L8,ZPC(YEL),SWR
1
SA
PCB
1-2
6002-001237
SCREW-TAPPING
PWH,+,2,M3,L12,ZPC(YEL),SW
1
SA
GUIDE START BUTTON
1-2
6006-001170
SCREW-ASSY TAPP
WS,TH,+,M4,L10,ZPC(YEL)
1
SNA
1-2
6001-000033
SCREW-MACHINE
TH,+,M4,L10,-,STS304,-
1
SNA
1-2
6002-000239
SCREW-TAPPING
TH,+,2S,M4,L8,ZPC(YEL),SM2
1
SNA DECORATION
30
8. Schematic Diagrams
8-1 Schematic Diagrams
(This Document can not be used without Samsung’s authorization)
#.
3-7!6?2%$
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2 +
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3 4 % )? 0
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2 -! ) . $ 5 ' $
5 ' $
6
U&
# 5 ' $
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6 & $ ? '
6 & $ ? '
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6 & $?0 6 KK
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6 & $?0 2%3%4
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11V
2 +
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: $ 2 +
# N&
2 +
0 # 0 # / * 2 +
$
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2 +
# . 3 -7 6 ? 7 ( 4
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2 +
$ . -
2 9 $ 5 $ 0 2
2 9 $ 5 $ 0 2
0 /7% 2 6
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6 4 % -0
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6
2 +
/ 0 4 )/ . / 0 4 )/ . / 0 4 )/ . 6 & $?0 6 & $?0 6 & $?0 6 & $?0 6 & $ ? 0 6 & $?0 6 & $?0 6 & $?0 6 & $ ? '
6 & $?0 6 & $ ? '
6 & $ ? 0 6 & $ ? '
6 & $ ? '
6 & $ ? '
6 & $?0 6 & $ ? '
6 & $?0 &
3 -7 6 ? 7 ( 4
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/ 2 +
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6
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# . & # : 3
31
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4 2 + 2 # -
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3-76?7(4
+%9?
6&$?'
+ 2 ! ! 4
4 2 4 2 + 2 # -
$' .$
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2 +
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2 . 6&$?'
4 2 + 2 # -
$' .$
-! ) . 6
$ . -
# N&
+
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2 6&$?'
$ . -
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). 2 5 3 ( # U&
2 +
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6
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2 +
2 +
0 # 0 # $
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N&
2
+%9?
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.-
2 9 $ 5 $ 0 2
2 9 $ 5 $ 0 2
2 9 & 4 2 & ! ! %
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4 2 + 2 # -
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2 +
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2 9 6
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0 $
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# . 3 -7 ! 6 ? 2 % $
2 9 & 4 2 & ! ! %
2 9 4 2 + 2 # -
# N&
3-7!6?2%$
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2
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.$
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04#
# . 3 -7 ! 6 ? 2 % $
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#.
3-76?7(4
,)6%
9. Electrical Parts List
9-1 Electrical Parts List
(S.N.A : SERVICE NOT AVAILABLE)
Level
Code No.
1-2
RCS-D2CM-01
1-3
0202-001341
Description
Specification
Q’ty
SA/
SNA
ASSY PCB PARTS
CM1829 , 230V50HZ
1
SA
SOLDER-WIRE FLUX
RMA98,P3,M705,F2-5-A12E
1
SNA
Remark
1-3
0202-001538
ECO WIRE
M708 3.0MM
1
SNA
1-3
0204-002291
FLUX
SV-PBF-302,ROSIN, R-NH3 HBR,HA
1
SNA
1-3
0604-000117
PHOTO-COUPLER
TR,130-260%,200MW,DIP-4,ST
4
SNA
PC101,PC102,
1-3
1103-001086
IC EEPROM
24LC08B,256X8BIT,DIP,8P,300MIL
1
SNA
IC03
PC02,PC01
1-3
1203-002545
IC-PWM CONTROLLER
266,DIP,8P,300MIL,PLAS
1
SNA
1-3
3501-000282
RELAY-POWER
12VDC,-,16000MA,1FORMA,9MS,5
3
SA
1-3
3501-001154
RELAY-MINIATURE
12VDC,200MW,3000MA,1FORM
4
SNA
1-3
3708-000525
CONNECTOR-FPC/FC/PIC
10P,2.54mm,STRAIGHT
1
SA
IC101
RY01,RY05,RY06
RY07,RY04,
RY03,RY08
CN09
1-3
3711-000024
CONNECTOR-HEADER
BOX,3P,1R,2.5mm,STRAIGH
1
SNA
CN08
1-3
3711-000616
HEADER-BOARD TO CABLE
BOX,11P,1R,2.5MM,S
1
SA
CN06
1-3
3711-000999
HEADER-BOARD TO CABLE
BOX,5P,1R,2.5mm,ST
1
SNA
CN04
1-3
3711-001154
HEADER-BOARD TO CABLE
BOX,9P,1R,2.5MM,ST
1
SNA
CN05
1-3
3711-004142
CONNECTOR-HEADER
BOX,3P/5P,1R,5mm/2.5mm,
1
SNA
CN01
1-3
3711-004143
CONNECTOR-HEADER
BOX,2P,1R,5mm/2.5mm,
1
SNA
CN03
1-3
3711-004200
CONNECTOR-HEADER
BOX,4P/7P,1R,2.5MM,STRA
1
SNA
CN02
CN10
1-3
3711-004201
CONNECTOR-HEADER
BOX,6P/9P,1R,2.5MM,STRA
1
SNA
1-3
DE02-00060A
CH-ISOPROPHYL ALCOHO
ALL,MODEL,-,-,-,-,-
1
SNA
1-3
DE26-00132A
TRANS SWITCHING
EI-2218,PL-3,1.1MH,-,-,1
1
SNA
ST01
1-3
DE29-00005A
FILTER LINE
-,UU1116,SM70S,30MH,1.8OHM,1
1
SNA
L01
FUSE1
1-3
DE47-40024A
HOLDER-FUSE
FH-51H,7.5A,-,-,-,-,-
1
SNA
1-3
DE68-02628A
LABEL-PCB ADHESIVE
-,-,-,-,W10,L30,WHT,-
1
SNA
SNA
1-3
DE92-01891A
ASSY PCB SUB-DISPLAY
AC220V 50/60HZ,CM18
1
1-4
3711-000616
HEADER-BOARD TO CABLE
BOX,11P,1R,2.5MM,S
1
SA
CN12
1-4
3711-001154
HEADER-BOARD TO CABLE
BOX,9P,1R,2.5MM,ST
1
SNA
CN11
DSP1
1-4
DE07-10088A
VF DISPLAY
SVM-06MM29,REDDISHORG/GRN,6G,
1
SA
1-4
DE61-90178A
HOLDER-DIGITRON
-,NY66,-,-,-,-,-
1
SNA
1-3
DE92-01893A
ASSY PCB SUB-TACT
AC220V 50/60HZ,CM1819/
1
SNA
1-4
3404-001065
SWITCH-TACT
12V,50MA,160GF,12X12X4.3MM,-
2
SNA
SW06,SW05
CN14
1-4
3711-000024
CONNECTOR-HEADER
BOX,3P,1R,2.5mm,STRAIGH
1
SNA
1-3
DE92-01894A
ASSY PCB AUTO
-,-,RCS-D2CM-01,230V50HZ
1
SA
1-4
0201-001822
3629(LID4417),PINK,2500MP
1
SNA
1-4
0401-001002
DIODE-SWITCHING
1N4148M,100V,200mA,DO-34
15
SNA
D03~D17
1-4
0402-000012
DIODE-RECTIFIER
UF4007,1KV,1A,DO-41,TP
1
SNA
D101
1-4
0402-000137
DIODE-RECTIFIER
1N4007,1KV,1A,DO-41,TP
2
SNA
D19,D18
1-4
0402-001103
DIODE-RECTIFIER
1T4,400V,1A,TS-1,TP
2
SNA
D01,D02
1-4
0402-001194
DIODE-RECTIFIER
SHG2D,200V,2A,-,TP
3
SNA
D105,D103,D102
1-4
0402-001298
DIODE-BRIDGE
DF06S,600V,1A,SMD-4,TP
1
SNA
BD01
1-4
0403-000707
DIODE-ZENER
MTZJ11B,10.5-11.05V,500MW,DO
1
SNA
ZD101
1-4
0403-001211
DIODE-ZENER
MTZJ12B,11.8-12.3V,500mW,DO-
1
SNA
ZD102
32
9. Electrical Parts List
9-1 Electrical Parts List(Continued)
(S.N.A : SERVICE NOT AVAILABLE)
Level
Code No.
Description
Specification
Q’ty
SA/
SNA
Remark
1-4
0403-001318
DIODE-ZENER
MTZJ4.3B,4.17-4.43V,500mW,DO
1
SNA
ZD103
1-4
0504-001044
TR-DIGITAL
KRA226M,PNP,400MW,2.2K/10K,TO
1
SNA
TR02
1-4
0504-001178
TR-DIGITAL
KRC246M,NPN,400MW,2.2K/10KOHM
12
SNA
TR09~TR14,
1-4
1203-000188
IC-POSI.ADJUST REG.
7033P,TO-92,3P,-,PLA
1
SNA
IC02
78L05,SOT-89,3P,185
1
SNA
IC102
1
SNA
PTC3
TR01~TR06
1-4
1203-001037
IC-VOLTAGE REGULATOR
1-4
1404-000230
THERMISTOR - PTC 27OHM 20
1-4
1404-001194
THERMISTOR-PTC
39ohm,20%,220/240V,270Vac
2
SNA
PTC1,PTC2
1-4
1404-001274
THERMISTOR-NTC
22OHM,1.4A,3100K,9.5MW/C,
1
SNA
NTC1
1-4
2001-000002
R-CARBON(S)
200KOHM,5%,1/2W,AA,TP,2.4X6.
12
SNA
R41~R46,
1-4
2001-000003
R-CARBON
330ohm,5%,1/8W,AA,TP,1.8x3.2mm
1
SNA
R16
R101~R106
1-4
2001-000004
R-CARBON
200KOHM,5%,1/8W,AA,TP,1.8X3.2M
1
SNA
R105
1-4
2001-000009
R-CARBON
20KOHM,5%,1/8W,AA,TP,1.8X3.2MM
1
SNA
R106
1-4
2001-000023
R-CARBON
47OHM,5%,1/4W,AA,TP,2.4X6.4MM
1
SNA
R110
1-4
2001-000111
R-CARBON
150OHM,5%,1/4W,AA,TP,2.4X6.4MM
1
SNA
R112
1-4
2001-000273
R-CARBON
100KOHM,5%,1/8W,AA,TP,1.8X3.2M
1
SNA
R08
1-4
2001-000281
R-CARBON
100OHM,5%,1/8W,AA,TP,1.8X3.2MM
1
SNA
R109
1-4
2001-000290
R-CARBON
10KOHM,5%,1/8W,AA,TP,1.8X3.2MM
6
SNA
R38,R03,R04,
R36,R10,R09
1-4
2001-000405
R-CARBON
180OHM,5%,1/8W,AA,TP,1.8X3.2MM
1
SNA
R17
1-4
2001-000429
R-CARBON
1KOHM,5%,1/8W,AA,TP,1.8X3.2MM
4
SNA
R02,R111,R35,R37
1-4
2001-000577
R-CARBON
2KOHM,5%,1/8W,AA,TP,1.8X3.2MM
8
SNA
R05,R01,OR01~OR03,
1-4
2001-000613
R-CARBON
3.9KOHM,5%,1/8W,AA,TP,1.8X3.2M
4
SNA
R11~R14
R06,R107,R15,OR01
1-4
2001-000734
R-CARBON
4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M
1
SNA
R07
1-4
2001-000786
R-CARBON
47KOHM,5%,1/8W,AA,TP,1.8X3.2MM
7
SNA
R28~R34
1-4
2003-001067
R-METAL OXIDE(S)
68KOHM,5%,1W,AA,TP,3.0X
1
SNA
R108
1-4
2201-000007
C-CERAMIC,DISC
4.7NF,20%,400V,Y5P,BK,16X
1
SNA
C104
1-4
2201-000285
C-CERAMIC,DISC
1NF,10%,1KV,Y5P,TP,8X5MM,
1
SNA
C103
1-4
2203-000192
C-CERAMIC,CHIP
100nF,+80-20%,50V,Y5V,TP,
8
SNA
C106,C11~C13,C01,
C02,C08,C09
1-4
2203-000444
C-CER,CHIP
1nF,10%,50V,X7R,TP,2012,-
4
SNA
C14~C17
1-4
2301-001519
C-FILM,LEAD-PEF
100NF,10%,275V,BK,7X13X1
1
SNA
C101
1-4
2401-000151
C-AL
1000uF,20%,25V,GP,TP,10x20,5
1
SNA
C107
1-4
2401-000244
C-AL
100uF,20%,10V,GP,TP,6.3x7,5
1
SNA
C109
1-4
2401-000303
C-AL
100UF,20%,25V,GP,TP,6.3X11,5
1
SNA
C105
1-4
2401-000598
C-AL
1uF,20%,50V,GP,TP,4x7,5
1
SNA
C10
1-4
2401-000911
C-AL
22uF,20%,16V,GP,TP,5x7,5
2
SNA
C06,C07
1-4
2401-001573
C-AL
47uF,20%,50V,GP,TP,6.3x11,2.5
1
SNA
C108
1-4
2401-003505
C-AL
10UF,20%,450V,GP,TP,10X20MM,5
1
SNA
C102
1-4
2801-003933
CRYSTAL-UNIT
8MHZ,50PPM,28-AAA,12PF,70OH
1
SNA
XTL1
1-4
DE09-00316A
IC MICOM
TMP87CM14F-4NK5,CM1929,64PIN,+
1
SNA
IC01
1-4
DE39-60001A
WIRE-SO COPPER
PI0.5,SN,T,52MM,TAPING_WI
25
SNA
J05~J29
33
9. Electrical Parts List
9-1 Electrical Parts List(Continued)
(S.N.A : SERVICE NOT AVAILABLE)
Level
Code No.
Description
Specification
Q’ty
SA/
SNA
1-4
DE41-00334A
PCB-MAIN
RCS-D2CM,FR-1,1,-,T1.6,296X197
1
SNA
1-4
2202-000253
C-CERAMIC,MLC-AXIAL
4.7nF,20%,16V,Y5R,-,
1
SNA
1-4
2203-000555
C-CER,CHIP
0.02NF,5%,50V,C0G,TP,2012
2
SNA
1-3
DE39-40692A
WIRE HARNESS-B
11PIN,-,-,CM1819/29,-,-,-
1
SA
Remark
C05
C03,C04
WIRE1
1-3
DE39-40694A
WIRE HARNESS-C
9PIN,-,-,-,-,-,-,-,-,-,-,
1
SA
WIRE2
1-3
DE39-40113B
WIRE HARNESS-F
100V,50/60HZ,RE-CH1,-,-,-
1
SNA
WIRE4
1-3
3002-000198
BUZZER-PIEZO
85DB,24,-,4KHZ,ST
1
SNA
BZ1
34
10. Wiring Diagrams
10-1 Wiring Diagrams
(This Document can not be used without Samsung’s authorization)
35
10-2 Description of Operating Sequence
When the oven is set to power level of 100%, 70% or 50%
When the oven is operating under the power level of 100%, 70% or 50%, the coil of power relay 1 and 2 are
energized intermittently by ON and OFF cycle of 30 seconds in order to supply power source to the High
Voltage Transformer and thus to oscillate the magnetron.
When the oven is set to DEFROST power position
When the oven is set to DEFROST power position, the coil of power relay 1 and 2 is programmed to operate
not together but alternately. That means power relay 1 should not work when the power relay 2 does(or relay 2
should not work when the power relay 1 does). The power realy 1 is energized for 15 seconds and then the
power relay 2 is energized for 15 seconds in turn. One complete ON and OFF cycle time of the power relay 1
and 2 is 30 seconds.
The relation between indications on the display window and the output power of the microwave oven is as
shown in figure below.
CM1519/CM1529
20%→opt open-7sec(8sec)
c(d):
10%→opt open-4sec(11sec)
e :
15 sec
Note : One second included as a time for starting the magnetron oscillation
A: DOOR OPEN, B: DOOR CLOSE, C: START, D: STOP
a(b): 50%-16sec(14sec), 70%-22sec(8sec)
A
B
C
D
A
LAMP
VENT
MAIN
100%
1MIN
PWR1
PWR2
50%,
70%
DEF
PWR1
b
a
PWR2
PWR1
PWR2
d
c
e
c
36
d
B
10. Wiring Diagram and Operating Sequence
10-2 Description of Operating Sequence(Continued)
Initial operating status of Power Relay when the START button is pressed.
Relays are designed to work as shown in the figure below.
When the oven is set to DEFROST power position, Inrush Relay1 and Power Relay1 are
programmed to work with Inrush Relay2 and Power Relay2 not simultaneously but alternately.
NOTE : LAMP: Lamp Relay (250V 5A)
MAIN: Main Relay (250V 16A)
VENT: Ventilation Motor Relay (250V 5A)
IR1: Inrush Relay1 (250V 5A)
IR2: Inrush Relay2 (250V 5A)
P1: Power Relay1 (250V 16A)
P2: Power Relay2 (250V 16A)
37
10. Wiring Diagram and Operating Sequence
10-2 Description of Operating Sequence(Continued)
High Voltage Transformer input power sensing circuitry
Refers to the circuitry that detects and check if the input power is correctly supplied to the primary
terminal of High Voltage Transformer when the microwave oven is operating. If any abnormal
condition(eg. Micro S/W, Relay open) is detected, the error code (E41, E42) shows on the display
window. When the error code appears in the display window, check the wave form(A), (B), (C),or (D).
In case of Power Relay 1 (RY2), check the wave form (A), (B) below.
In case of Power Relay 2 (RY5), check the wave form (C), (D) below.
38
11. Reference
11-1 Model name standard
Baoad Classification
USA CMO
USA RV
Distinguisher
Middle Classfication
Distinguisher
Product Code
Full Name
CMO (Counter-top MWO)
W
MW
USA CMO(EPOXY CAVITY)
UTC (Under The Cabinet)
U
MU
USA UTC
Browner, Grill
G
MG
USA GRILL
Convection
C
MC
USA CONVECTION
Sensor
S
MS
USA CMO SENSOR
DC MWO
D
MD
USA DC MWO
Hospital MWO
H
MH
USA Hospital MWO
Ceramic Enamel
E
ME
USA CMO(CERAMIC ENAMEL)
SOLO
M
RM
USA RV SOLO
CONVECTION
C
RC
USA RV CONVECTION
BUILT-IN
B
RB
USA RV BUILT-IN
-
-
SJ
USA Junior MWO
SOLO
H
SMH
USA OTR SOLO
CONVECTION
V
SMV
USA OTR CONVECTION
SOLO
1
M1
EUROPE SOLO(EPOXY CAVITY)
GRILL
2
M2
EUROPE GRILL(EPOXY CAVITY)
SOLO
1
CE1
EUROPE SOLO(CERAMIC ENAMEL)
GRILL
2
CE2
EUROPE GRILL(CERAMIC ENAMEL)
M
R
USA Junior
SJ
USA OTR
SM
EUROPE
Epoxy Cavity
M
EUROPE
Ceramic Enamel
CE
EUROPE
Quartz GRILL
G2
-
-
G2
EUROPE Quartz GRILL
EUROPE
Power Grill
PG
-
-
PG
POWER GRILL
CK
-
-
CK
EUROPE CONVECTION
C
-
-
C
EUROPE CONVECTION
SOLO
W
FW
EUROPE SOLO FULLY BUILT-IN
GRILL
G
FG
EUROPE GRILL FULLY BUILT-IN
CONVECTION
C
FC
EUROPE CONVECTION FULLY BUILT-IN
EUROPE
Convection
EUROPE
Fully Built-In
F
39
11. Reference
11-1 Model name standard (Continued)
(Blue Color) : Not Used
Baoad
Classification
CHINA
KOREA
Distinguisher
C
D
EUROPE
USA
-
A
Middle Classfication
Distinguisher
Cavity / type
Distinguisher
SOLO / CMO
M
Inverter SOLO
I
CERAMIC
ENAMEL
E
CERAMIC
ENAMEL(Clay)
C
Epoxy
W
Grill / Browner
G
Quartz Grill / Browner
Q
Conv.
C
TBMO / Power Grill
T
Commercial
O
STSS
S
SOLO / CMO
M
Inverter SOLO
I
CERAMIC
ENAMEL
E
CERAMIC
ENAMEL(Clay)
C
Epoxy
W
Grill / Browner
G
Quartz Grill / Browner
Q
Conv.
C
TBMO / Power Grill
T
Commercial
O
STSS
S
SOLO / CMO
M
Inverter SOLO
I
CERAMIC
ENAMEL
E
CERAMIC
ENAMEL(Clay)
C
Epoxy
W
Grill / Browner
G
Quartz Grill / Browner
Q
Conv.
C
TBMO / Power Grill
T
Commercial
O
STSS
S
CERAMIC
ENAMEL
E
CERAMIC
ENAMEL(Clay)
C
Epoxy
W
STSS
S
SOLO / CMO
M
Inverter SOLO
I
Grill / Browner
G
Quartz Grill / Browner
Q
Conv.
C
TBMO / Power Grill
T
Commercial
O
Full Name
CME / CMC / CMW / CMS
CIE / CIC / CIW / CIS
CGE / CGC / CGW / CGS
CQE / CQC / CQW / CQS
CCE / CCC / CCW / CCS
CTE / CTC / CTW / CTS
COE / COC / COW / COS
DME / DMC / DMW / DMS
DIE / DIC / DIW / DIS
DGE / DGC / DGW / DGS
DQE / DQC / DQW / DQS
DCE / DCC / DCW / DCS
DTE / DTC / DTW / DTS
DOE / DOC / DOW / DOS
ME / MC / MW / MS
IE / IC / IW / IS
GE / GC / GW / GS
QE / QC / QW / QS
CE / (CC) / (CW) / CST
TE / (TC) / TM / TST
OE / OC / OW / OS
AME / (AMC) / AMW / AMS
AIE / AIC / AIW / AIS
AGE / (AGC) / AGW / AGS
AQE / AQC / AQW / AQS
ACE / ACC / ACW / ACS
ATE / ATC / ATW / ATS
AOE / AOC / AOW / AOS
CHINA
C
SOLO(MW ONLY)
W
CFW / CFG / CFC / CFI / CFT
KOREA
D
GRILL
G
DFW / DFG / DFC / DFI / DFT
EUROPE
-
CONVECTION
C
DFW / DFG / DFC / DFI / DFT
USA
A
INVERTER
I
FW / FG / FC / FI / FPG
TBMO / Power Grill
T
AFW / AFG / AFC / AFI / AFT
Fully Built-In
F
USA OTR
SM
SOLO(MW ONLY)
H
SMH / SMB / SMV / SMI / STB
EUROPE OTR
EM
GRILL
G
EMH / EMG / EMV / EMI / EMT
CHINA OTR
UM
CONVECTION
V
UMH / UMG / UMV / UMI / UMT
INVERTER
I
TBMO / Power Grill
T
KOREA OTR
PM
CST : EUROPE STSS Conv.
FPG : EUROPE FBI POWER GRILL
TST : EUROPE TBMO with STSS cavity
SMB : USA Grill OTR
TM : EUROPE TBMO with epoxy cavity
STB : USA TBMO OTR
40
PMH / PMG / PMV / PMI / PMT
11. Reference
11-2 Customer inquiry cases and countermeasures
Symptom
Cause
•
The vent of the oven
is designed to be
placed on the bottom
of the product, and air
is evacuated from the
oven.
•
In the past, the vent was placed on the back panel of
the oven. Since the oven was placed near the wall of
a kitchen, the wall behind the oven was discolored.
Thus, the vent of a new oven is placed on the bottom
of the product, and air is evacuated from the oven.
•
It may happen due
to power failure or
abnormal voltage.
It may happen when
the door does not close
completely.
•
Connect the power plug three seconds after
disconnecting the power plug.
Close the door completely => Press the Cancel button
=> Press the Start button.
In many cases, it
may happen when
the power level is
incorrectly set.
It may happen when
the door does not close
completely.
It may happen when
the oven is out of order.
•
Air is evacuated from
the oven.
The oven works
automatically
whenever the power
is turned on.
Countermeasures
•
•
•
Heating
•
•
•
•
•
Ground problem may
happen when the oven
is placed in a humid
area and the over is
not grounded.
Ground is not provided
by an extended electric
outlet.
•
•
Turntable has been
designed to rotate in
either direction since
1994.
•
In the past, the gear of the turntable was easily worn
by turning it during cleaning. Now, the turntable of the
oven is designed to rotate in both directions to prevent
damage during cleaning. (Rotation direction is set
when the oven initially operates.)
•
The oven beeps every
minute unless the food
is in the oven after
the food is cooked
completely.
The oven occasionally
beeps during cooking.
•
Open and close the door again. (Beeping sounds
indicate that the food is ready to be removed from the
oven after cooking is complete.)
Ground
•
Turn table
occasionally rotates
in reverse order.
Select HIGH by rotating the Cooking Power Control
knob.
- KEEP WARM: This function is used to warm the
cooked food for a certain time period, not to heat the
food.
- MEDIUM/LOW: This function is used to cook the food
slowly.
Close the door completely. => Press the Cancel
button. => Press the Start button.
Contact the nearest Samsung after-sales service
center.
The oven sometimes
beeps.
•
•
41
If the oven is placed in a humid area, buy an electric
wire in a store selling electrical products. (Electric
wires for home use are also allowed) Ground the oven
through the electric wire.
Buy an electric wire in a store selling electrical
products. (Electric wires for home use are also
allowed) Ground the oven through the electric wire.
11. Reference
11-2 Customer inquiry cases and countermeasures (Continued)
Symptom
Cause
•
Since fish is salty and
maintains its moisture,
it is cooked while
making a series of soft
popping sounds. (The
liquid may come out of
the fish when the fish is
cooked.)
•
Food with bones such as fish (e.g. mackerel) and pork
(e.g. pork chops) is cooked while making a series of
soft popping sounds. Wrap the food completely so that
food particles or spattered oils do not stick to the oven
walls or floor.
•
It may happen when
food particles stuck to
oven walls or floor.
•
Clean the inside of the oven. => Remove strange
smell through the Deodorant button => If the strange
smell still remains, place a piece of lemon on the
turntable and operate the oven for 5 minutes by
pressing the Deodorant button.(However, the smells
produced from the food exposed such as herbal
remedies are not removed.)
•
Errors are classified
with Failure and Nonfailure.
•
Refer to the section of ERROR in User Manual.
•
Visit the nearest Samsung Service Center or local
dealer to buy accessories. Before visiting, check the
model name printed on the lower right side of the front
panel of the oven.
•
Since the government recommends the reduction
of electricity, the power saving function is performed
for number display like that power cord is unplugged
when the oven is not used. (Numbers are displayed
when another button is pressed or when the door
opens.)
Strange popping
sounds are produced
while fish is cooked.
Strange smell is
produced in the oven.
Error
Countermeasures
Accessory
•
Number does not
appear on the display
screen.
It happens when the
power saving function
is activated.
42