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F-45
TROUBLESHOOTING AND REPAIR
F-45
POWER WAVE 455/POWER FEED 10
TABLE F.4 — POWER BOARD VOLTAGE CHECKS.
POWER BOARD TEST
(continued)
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
PLUG J32 RECTIFIER
BRIDGE
POWER PC CHECK +15 2(+) 225(+) 15 VDC
BOARD VDC SUPPLY 4(-) 222(-)
CONNECTOR FROM POWER
PLUG J31 PC BOARD
POWER PC CHECK +5 VDC 7(+) 221(+) 5 VDC
BOARD SUPPLY FROM 4(-) 222(-)
CONNECTOR POWER PC
PLUG J31 BOARD
POWER PC CHECK -15 VDC 4(+) 222(+) 15 VDC
BOARD SUPPLY FROM 3(-) 223(-)
CONNECTOR POWER PC
PLUG J31 BOARD
POWER PC CHECK +5 VDC 11(+) 274(+) 5 VDC
BOARD “CAN” SUPPLY 12(-) 273(-)
CONNECTOR FROM POWER
PLUG J31 PC BOARD
POWER PC CHECK +5 VDC 6(+) 226(+) 5 VDC
BOARD “RS232” 5(-) 228(-)
CONNECTOR SUPPLY FROM
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
NEG
POS
225 222
221
222
223 222
274 273
228 226
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