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TROUBLESHOOTING & REPAIR
FIGURE F.12
AUXILIARY TRANSFORMER #1 SECONDARY CIRCUIT WIRING DIAGRAM
BOARD
POWER
BOARD
DISPLAY
PROTECTION BOARD
SQUARE WAVE TIG
(P83) WF1 RECEPTACLE
(P82) WF2 RECEPTACLE
42V | J43 | 1 |
|
| |
COMMON | J43 | 3 |
|
|
COMMON | J13 | 4 | |
COMMON | 2 | ||
J12 | |||
2 TRIG | 2 | ||
J13 | |||
|
| ||
1 TRIG | J12 | 4 | |
|
|
1 TRIG | J92 | 3 |
|
| |
24V | J92 | 6 |
|
|
1 TRIG | D |
115V | J |
24V | C |
42V | K |
COMMON | I |
COMMON | A |
2 TRIG | D |
115V | J |
24V | C |
42V | K |
COMMON | I |
COMMON | A |
356 351
373
371
372
374
293
296
105A
31B
102B
42B
32C
32B
106A
31C
102D
42C
32E
32D
6 J35
1 J35
3 
J37
1 
J37
2 J37
4 J37
J38 | 2 | |
3 | ||
J38 | ||
|
14 J34 
8 J34
11
J34
10 
J34
13
J34
12
J34
7 |
|
|
|
|
J34 |
|
|
|
|
1 |
|
|
|
|
J34 |
|
|
|
|
4 |
|
|
|
|
J34 |
|
|
|
|
3 |
|
|
|
|
J34 |
|
|
|
|
6 |
|
|
|
|
J34 |
|
|
|
|
5 |
|
|
|
|
J34 |
|
|
|
|
1 | 3 | 4 | 6 |
|
J33 | J33 | J33 | J33 |
|
32A | 333 | 334 | 336 |
|
5A C.B. |
| |||
33 | COMMON U 42V | N 24V |
| 115V |
W | R | |||
2 | 5 | 3 | 6 |
|
PROTECTION BOARD
AUXILIARY | TRANSFORMER 1 |
