Lincoln Electric SVM112-B service manual Figure F.40 Trigger, Circuit Wiring Diagram

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POWER

Amphenols

	8-pin
	Amphenols
(2)		C
FEEDER 2
(4)		D
(2)		C
FEEDER 1
(4)		D
		F
(2)		E

14-pin

Amphenols

P82

C

D

P83

C

D

P1

F

E (102C)

AUXILIARY	24VAC
TRANSFORMER 1

				P70	P70	5A
				3	2
						C.B.
				(334)	(33)	(32A)				+5V
				J33		J33
										J14	(265)	J26
"Amphenol 2"				4		1
								J13		5		5
(102D)			J34			J37	(373)		AC	J14	(266)	J26
				4		3		4		4		6
						J37		J13	TO
(106A)			J34				(372)
				7					DC
						2		2		+5V
"Amphenol 1"										J14	(261)	J26
						J37	(371)	J12		1	(262)	1
(102B)			J34			1		2	AC	J14		J26
				11						2		2
						J37		J12	TO
(105A)			J34				(374)
				14					DC
						4		4
J93	J92	(296)	J38	3	PROTECTION BD				DISPLAY BD			CONTROL BD
5	6

FIGURE F.40 – TRIGGER

F-114

TROUBLESHOOTING

WAVE

(4)	D
(75)

D

(105B)

7	3		J38
		(293)	2

450

		C
	(76)
R		B

C(175A)

B (176A)

4	2	(292)	J10	7
		(291)	J10		-	TO MICRO
3	1			6

(77) A

Remote Control Kit K941-1

A

6-pin

(177A)

2	(294)	J10	+10V PROCESOR
	9	10

SQUARE WAVE TIG

PROTECTION BD

&

Amphenols

AUXILIARY	POWER WAVE
EQUIPMENT

EXTERNAL INTERNAL

CIRCUIT WIRING DIAGRAM

REPAIR

F-114