4
Disassembling/Assembling &
Troubleshooting
4.1 DPM4 Disassembling/Assembling
4.1.1 Exploded View of DPM4
3
4
1
2
5
6
7
Figure 4-1 Exploded view of DPM4
NO Material code Part & Specification
115-001437-00
115-031392-00
M04-002505---
M04-000104---
8002-30-36185
115-031469-00
M04-004012---
Front bezel assembly
Screen assembly
Cross-head screw M3*6
Elastic gasket GB93 3
Main Unit
TR6F Recorder
Gasketed cross-head screw M3*6
4-1
Quantity
8
2
1
1
1
1
2
8
9
8002-30-36209
M04-000305---
10 8002-30-36342
11 8002-30-36378
12 8002-30-36204
13 M04-004015---
14 8002-21-36169
15 8002-20-36222
16 9211-30-87429
17 M04-051003---
CF Card assembly
Self-tapping screw PT3X12
Back housing assembly
Back housing assembly (supporting wireless network adapter)
Parameter connector assembly(with CO2) 1
Gasketed cross-head screw M3*8 4
1
1
1
2
Parameter connector panel(with CO2)
Parameter connector label(with CO2)
Water trap assembly
Cross-pad self-tapping screw PT2X6
1
1
1
6
4.1.2 DPM4 Front Bezel Assembly
Figure 4-2 DPM4 display front bezel assembly
4-2
NO Material code
3
4
5
6
1
2
8000-20-10290
8002-20-36238
043-000087-00
8002-20-36265
8001-30-25667
8000-20-10193
7
8
8002-30-36165
M04-051003---
9 0010-30-43089
10 8000-20-10194
11 8000-20-10220
12 9201-20-35972
Part & Specification
Anti-glare mask
Alarm indicator mask
Front bezel
Dust washer
Alarm indicator board
Key plate
Keyboard
Self-tapping screw PT2X6
Encoder board
Rubber button feet
Knob
Quantity
1
1
2
1
1
8
1
4
1
1
1
1
4-3
4.1.3 DPM4 Back Housing Assembly (Lithium Battery)
Figure 4-3 DPM4 back housing assembly
NO Material code Part & Specification
3
4
5
6
1
2
8002-20-36167
8000-20-10339
8000-20-10220
8002-20-36219
M04-000802---
M04-003105---
7
8
8002-20-36217
8002-20-36218
9 8002-21-36202
10 M04-051085---
11 M04-004702---
Back housing
Sealed cushion for back housing
Feet
Battery Door bond
Pad GB97.1 3
Self-tapping screw PT3X8
Speaker press plate
Cushion for Speaker press plate
Speaker
Self-tapping screw PT4X14
Gasket GB97.1 4
4-4
Quantity
1
2
2
1
1
2
1
1
3
1
1
12 8002-20-36224
13 8002-20-36237
14 8002-20-36174
4.1.4 Screen Assembly
Fan cushion
Handle
Battery door
1
1
1
4
5
2
3
6
Figure 4-4 Screen assembly
NO Material code Part & Specification
1 M04-051045--- Cross-head screw M2.5X6
021-000166-00
M04-002405---
051-001281-00
8000-20-10217
8002-20-36175
LCD TFT 8.4" 800*600 3.3V LED-bl
Cross-head screw M2X6
8.4 inch LED BACKLIGHT PCBA
Stud screw for screen
Screen supporter
1
4
1
1
2
Quantity
4
4-5
4.1.5 Battery Connector Assembly
1
2
3
4
5
6
Figure 4-5 Battery Connector assembly
NO Material code Part & Specification
M04-000301---
M04-004013---
8002-30-36226
M04-002505---
M04-030030---
9201-20-36038
Nut GB6170 M3
Gasketed cross-head screw M3X10
Lithium battery board
Cross-head screw GB818-85 M3X6
Stud M3X12
Spring
4-6
Quantity
1
1
1
1
1
1
4.1.6 Parameter Connector Assembly
3
4
5
6
1
2
7
8
Figure 4-6 Parameter connector assembly
NO Material code Part & Specification
9
0010-10-12279
0010-21-12306
8002-21-36171
0010-20-12194
6200-20-11614
9000-20-07459
M04-000501---
6000-10-02010
10 M33-109002---
M04-051003--- Self-tapping screw PT2X6
ECG connector
6PIN SPO2 Cable
Panel for parameter connector(with CO2)
NIBP Connector
Exhaust
Nut for Temp connector
Nut GB6170 M5
IBP PROBE SOCKET
Temp connector
Quantity
2
2
2
1
1
1
1
1
12
1
4-7
4.1.7 CF Card Assembly
3
4
1
2
NO
Figure 4-7 CF card assembly
Material code Part & Specification
8002-20-36196
8002-20-36172
CF model card
CFcard housing
8002-30-36192
8002-20-36173
CFconnector board
CFcard housing hook
1
2
Quantity
1
1
4-8
4.2 Troubleshooting
4.2.1 Black Screen, Startup Failure
Figure 4-7 Location flow of faults causing black screen
4-9
4.2.2 White Screen & Other Abnormal Screen
In case of faults causing white screen or other abnormal screens,
Check whether the LCD connection wires are in good contact;
Replace the LCD connection wires, or replace the LCD if necessary;
Replace the main control board if the fault still exists.
4.2.3 Encoder Faults
If all other functions (indicator, alarm, buttons) of the button panel are normal, proceed to step 2; otherwise, replace the button panel;
Check whether short-circuit or abnormal open-circuit occurs in the encoder pad;
Replace the encoder.
4.2.4 No Audio Alarm
Check whether the audio alarm function is disabled in the software settings;
Replace the speaker;
Replace the button panel.
4.2.5 Printing Failure
Check whether there is any alarm about the recorder. If any, eliminate it;
Check whether the recorder indictor is on;
If not, check the connection wire for inputting signals to the recorder;
Check whether the recorder module is enabled in the maintenance menu;
Check the power cord of the recorder (including the recorder power PCB);
Replace the recorder module.
4.2.6 Abnormal Paper Drive
Check whether there are blocks on the paper roller of the recorder;
Check whether there are blocks in the gear cluster of thermal assembly of the recorder;
Check whether the voltage input of the recorder is larger than 17.6V.
4-10