Lincoln Electric SVM188-A Welder User Manual


 
1
2
3
4
5
6
7
8
9
10
DC-600
21-21+ 41 4 2 31 32
75 76 77
TS 2 TS 1
F=76
G=75
H=21
I=41
J=31
K=42
A=32
B=GND
C=2
D=4
E=77
LN
M
14 PIN
CONNECTOR
10 AMP
CIRCUIT
BREAKER
OUTPUT
TERMINALS
SWITCH
FIGURE F.4 - TERMINAL STRIPS AND AMPHENOL
INTERNAL TRIGGER CIRCUIT TEST (continued)
TROUBLESHOOTING AND REPAIR
F-15 F-15
DC-600
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2
4
C
D
2
4
41
2
9J5
1J5
11J5
10J5
TO
CONTROL
BOARD
OUTPUT
TERMINAL
SWITCH
14-PIN
RECEPTACLE
10AMP
CIRCUIT
BREAKER
FIRING BOARD
LATCHING
RESISTOR
ENABLE
FIRING
CIRCUIT
ENABLE
LED10
42
2
4J5
41
4
291
290
K
I
42
41
To 42A atMain
Transformer
To 41 atMain
Transformer
TERMINAL
STRIP TS2
4
FIGURE F.5 - SIMPLIFIED TRIGGER DIAGRAM