Lincoln Electric 10372 Service Manual page 109

F-45
CHECK POINT
LOC TION
POWER PC CHECK 65 VDC
BOARD SUPPLY FROM
CONNECTOR POWER BOARD
PLUG J32
POWER PC
BOARD
CONNECTOR FROM POWER
PLUG J31
POWER PC CHECK +5 VDC
BOARD SUPPLY FROM
CONNECTOR
PLUG J31
POWER PC CHECK -15 VDC
BOARD SUPPLY FROM
CONNECTOR
PLUG J31
POWER PC CHECK +5 VDC
BOARD "CAN" SUPPLY
CONNECTOR FROM POWER
PLUG J31
POWER PC CHECK +5 VDC
BOARD
CONNECTOR SUPPLY FROM
PLUG J31
POWER PC
BOARD SPADE
TERMINALS FEEDER SUPPLY
FROM POWER PC
TROUBLESHOOTING ND REP IR
POWER BO RD TEST ( ontinued)
T BLE F.4 — POWER BO RD VOLT GE CHECKS.
TEST CONNECTOR
DESCRIPTION PLUG PIN NO.
RECTIFIER
BRIDGE
CHECK +15
VDC SUPPLY
PC BOARD
2
POWER PC
BOARD
N
221
POWER PC
BOARD
PC BOARD
"RS232"
POWER PC
BOARD
CHECK +40 #50 TERMINAL
VDC WIRE
#51 TERMINAL
BOARD
POWER W VE 455/POWER FEED 10
LE D NO.
OR
IDENTITY
1 & 2(+) POS(+)
4 & 5(-) NEG(-)
POS
NEG
2(+) 225(+)
4(-) 222(-)
225 222
7(+) 221(+)
4(-) 222(-)
222
4(+) 222(+)
3(-) 223(-)
223 222
11(+) 274(+)
12(-) 273(-)
2
274 273
2
6(+) 226(+)
5(-) 228(-)
228 226
WHITE (+)
TO BLACK (-)
F-45
NORM L
CCEPT BLE
VOLT GE
RE DING
73 VDC
15 VDC
5 VDC
15 VDC
5 VDC
5 VDC
40 VDC