Lincoln Electric SVM135-B service manual Power PC Check 65 VDC

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F-45	TROUBLESHOOTING AND REPAIR			F-45
	POWER BOARD TEST (continued)
	TABLE F.4 — POWER BOARD VOLTAGE CHECKS.
				NORMAL
			LEAD NO.	ACCEPTABLE
CHECK POINT	TEST	CONNECTOR	OR	VOLTAGE
LOCATION	DESCRIPTION	PLUG PIN NO.	IDENTITY	READING
POWER PC	CHECK 65 VDC	1 & 2(+)	POS(+)	73 VDC
BOARD	SUPPLY FROM	4 & 5(-)	NEG(-)
CONNECTOR	POWER BOARD	POS
PLUG J32	RECTIFIER
	BRIDGE
		NEG
POWER PC	CHECK +15	2(+)	225(+)	15 VDC
BOARD	VDC SUPPLY	4(-)	222(-)
CONNECTOR	FROM POWER	225 222
PLUG J31	PC BOARD
POWER PC	CHECK +5 VDC	7(+)	221(+)	5 VDC
BOARD	SUPPLY FROM	4(-)	222(-)
CONNECTOR	POWER PC	222
PLUG J31	BOARD	221
POWER PC	CHECK -15 VDC	4(+)	222(+)	15 VDC
BOARD	SUPPLY FROM	3(-)	223(-)
CONNECTOR	POWER PC	223 222
PLUG J31	BOARD
POWER PC	CHECK +5 VDC	11(+)	274(+)	5 VDC
BOARD	“CAN” SUPPLY	12(-)	273(-)
CONNECTOR	FROM POWER
PLUG J31	PC BOARD
		274 273
POWER PC	CHECK +5 VDC	6(+)	226(+)	5 VDC
BOARD	“RS232”	5(-)	228(-)
CONNECTOR	SUPPLY FROM	228 226
PLUG J31	POWER PC
	BOARD
POWER PC	CHECK +40	#50 TERMINAL	WHITE (+)	40 VDC
BOARD SPADE	VDC WIRE	TO	BLACK (-)
TERMINALS	FEEDER SUPPLY	#51 TERMINAL
	FROM POWER PC
	BOARD

POWER WAVE 455/POWER FEED 10