Xerox WorkCentre 5022 Service Manual page 179

2.2.3.1 AC Power FIP
BSD-ON: CH1.1
Procedure
Turn OFF the Main Power Switch. Is the voltage between the Main Power Switch J3 and
J4 220 to 240VAC?
Y N
Is the voltage between the AC Inlet J1 and J2 220 to 240VAC?
Y N
Unplug the Power Cord from the outlet. Is 220-240VAC measured at the outlet?
Y N
Check the customer's Breaker, etc.
Check the Power Cord for open circuit and poor contact. If no problems are found,
replace the AC Inlet. (PL 18.3)
Check the connections between the AC Inlet J1, J2 and the Main Power Switch J3, J4
for open circuits and poor contacts.
Turn ON the Main Power Switch. Is the voltage between the LVPS J510-1 and J510-3 220
to 240VAC?
Y N
Turn OFF the power and unplug the Power Cord from the outlet. Check the connections
between the Main Power Switch J5, J6 and the LVPS J510 pin-1 and pin-3 for open cir-
cuits and poor contacts.
If no problems are found, replace the Main Power Switch. (PL 18.3)
Check the AC circuit to each component by referring to Chapter 7 Wiring Data.
Version 1.0
WC 5022/5024
2.2.3.2 +5VDC Power FIP
BSD-ON: CH1.2, CH1.1
Procedure
Turn ON the power. Is the voltage between the LVPS J512-1 (+) and the GND (-) +5VDC?
Y N
Is the voltage between the LVPS J510-1 and J510-3 220 to 240VAC?
Y N
Go to "4 AC Power FIP".
Turn OFF the power and disconnect the LVPS J512. After 15 s or longer has passed, turn
ON the machine. Is the voltage between the LVPS
+5VDC?
Y N
Replace the LVPS. (PL 18.3)
Check the +5VDC circuit for a short circuit in the frame by referring to Chapter 7 Wiring
Data.
Check the wire to the applicable component for an open circuit or poor contact by referring to
Chapter 7 Wiring Data.
06/2014
2-157
P512-1 (+) and the GND (-)
Status Indicator RAPs
2.2.3.1 AC Power FIP