Miller | KC000000 | Owner Manual | Miller IGBT/MOSFET TESTER 156114 User manual

Miller IGBT/MOSFET TESTER 156114 User manual
OWNERS
MANUAL
July
FORM: OM-156 165
1992
Use above FORM number when
IGBT/MOSFET Tester 156 114
4~
FiLE COPY
RETHRH Tfl
WARNING
p--
____
cm
SHOCK
ELECTRIC
kill;
SIGNIFICANT DC VOLTAGE exists after
removal of input power.
9I~
~
Put on
boards
grounded
or
.Ll
~ER
wrist
strap BEFORE handling
parts.
Use proper static-proof
Turn OFF welding power source, disconnect input
power, wait 60 seconds, measure voltage on input
capacitors according to Service Manual, and wait
for voltage to drop to zero before touching any
mi
i~
STATIC ELECTRICITY can damag e parts
and parts on circuit boards.
Do not touch live electrical parts.
bags.
Before use, install 9V battery.
To check
parts.
only qualified persons familiar
following standard safety practices
troubleshooting procedures.
Have
MOSFET
extra manuals.
ordering
Testing Procedure
with
battery, connect RED and BLACK leads
together;, test light (LED) ON; battery OK.
=
and
perform
1
#2
MOSFET Power Transistor
Check plastic case for cracks in
side of case or a separation of case
from its base plate. Replace any
8
7
damaged part.
Mark and disconnect all leads from
I
power transistor.
Diagram
Symbol
Circuit
.5
2
Source 2
3
Gate 2
4
Drain 2, Source 1
5
Source 2
6
Drain 1
7
Source 1 (Si)
8
Gate 1
9
IGBT/MOSFET Tester
10
Test Button
11
Test
(S2)
(G2)
(D2, Si)
(S2)
(Dl)
(Gi)
Light (LED)
Hook up tester.
ON
Shorted: replace part
=
Press button.
OFF
Hazarci.
a Static
Put
grounded
on
wrist
Strap.
ON
=
=
Fails test;
replace part
Passes test
S.o717/S~66
A
IGBTT
IGBT Power Transistor
1
u re
Check plastic
side of case
Gi
(Bi)
El
G2
(B2)
E2
~
H.~.....4
case
for cracks in
separation of case
from its base plate. Replace any
damaged part.
El
or a
Mark and disconnect all leads from
power transistor.
Circuit
Diagram
Symbol
Actual Part
2
Emitter 2 (E2)
3
Gate 2
4
Collector 2, Emitter I
5
Emitter 2
6
Collector 1 (Cl)
(G2)
or
Base 2
(B2)
(C2. El)
9
10
11
(E2)
7
Emitter(El)
8
Gate 1 (G1)orBasel (Bi)
9
IGBT/MOSFET Tester
10
Test Button
11
Test
Light (LED)
Rook up tester.
ON
Shorted; replace part
=
Press button.
Hazard.
a Static
Put
grounded wrist strap.
OFF
=
Fails test;
replace part
on
ON
=
Passes test
5~O71 7 /S~O664
BLK
YEL
23
T
0
0
0
2
I
~II
p4
RED
5A.156 15.A
Circuit
Part
No.
Dia.
Mkgs.
Wiring Diagram
Diagram
Description
SA-156 116
Quantity
Complete Assembly
Dl
PB1
..
..
Ri
..
R2
..
R3
.
R4
..
iT
..
OM-156 165
083850..
113333..
078431
LIGHT, md red lens 2V LED
SWITCH, PB MC NO SPST 1A 115VAC
RESISTOR, C .25W 330 ohm
605916..
605911
092648..
038785..
156119..
156120..
156170..
138044..
604825..
154095..
RESISTOR, C .25W 1K ohm
RESISTOR, C .25W 10K ohm
RESISTOR, WW fxd zero ohm
STRIP, terminal 3P solder
CASE SECTION, top/sides
CASE SECTION, bottom/ends
HOLDER, battery 9V
BUSHING, strain relief .120/.150 ID x .500mtg hole
CABLE, port No. 18 3/c (order by ft)
TEST CLIP, minigrabber red
154096.. TEST CLIP, minigrabber black
154097.. TEST CLIP, minigrabbe~ yellow
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