Of4-001 Main Motor Rap - Xerox DocuColor 12/DCCS50 Service Manual

OF4-001 Main Motor RAP

This RAP is used to repair the Main Motor and Drum Motor circuit failures when directed by
another RAP.
Initial Actions
• Refer to BSD 4.1, Main and Drum Drive Control, in the following procedure:
• Check the Drive Mechanism for damage, jams, and obstructions.
Procedure
Go to Flag 1 BSD 4.1 and check for +5 VDC at P/J42-14 on the Distribution PWB. +5 VDC is
measured at P/J42-14 on the Distribution PWB.
Y N
Perform the following:
• Go to Flag 1 BSD 4.1 and check for a short/open circuit.
• Go to the +5 VDC Power (IOT LVPS)
Perform the following:
• Enter DC330 004-007 Main Motor, Press Start and Stop.
• Check for a change of state from (L) to +5 VDC at P/J417B-5 on the IOT Drive PWB.
The voltage at P/J417B-5 switched between (L) and +5 VDC at P/J417B-5 on the IOT
Drive PWB.
Y N
Perform the following:
• Go to Flag 3 on BSD 4.1 and check for an open/short circuit.
• Replace the Main Motor (PL 1.2).
• Replace the IOT Drive PWB (PL
Go to Flag 2 on BSD 4.1 and check for +24 VDC at P/J42-11 and 12, on the Distribution PWB.
+24 VDC is measured at P/J42 -11 and 12, on the Distribution PWB.
Y N
Perform the following:
• Go to Flag 2 on BSD 4.1 check for an open/short circuit.
• Go to the +24 VDC Power (IOT LVPS)
Enter DC330 004-007 Main Motor. Press Start. The Main Motor runs.
Y N
Check for Logic (L) at P/J417B-5. Logic (L) is measured at P/J417B-5.
Y N
Perform the following:
• Go to on Flag 4 BSD 4.1 and check for an open/short circuit.
• Replace the Main Motor (PL
• Replace the IOT Drive PWB
Perform the following:
• While exercising [04-021] in Component Control, check for a change of state on the
Main Motor On line P/J417B-5.
• While in [04-021] Component Control and the Main Motor is running, check for the
following conditions at
A
Reissue
DocuColor 12/DCCS50
RAP.
9.2).
RAP.
1.2).
(PL 9.2).
A
– P/J417B-5, Logic (L)
– P/J417B-4, +2.5 VDC
– P/J417B-3, Logic (L)
– P/J417B-2, Logic (L)
• Go to Flag 4 on BSD 4.1 and check for an open /short circuit.
• Replace the Main Motor (PL
• Replace the IOT Drive PWB
Perform the following:
• While in [04-007] Component Control and the Main Motor is running, check for the follow-
ing conditions at
– P/J417B-5, Logic (L)
– P/J417B-4, +2.5 VDC
– P/J417B-3, Logic (L)
– P/J417B-2, Logic (L)
• Go to Flag 4 on BSD 4.1 and check for an open /short circuit.
• Replace the Main Motor (PL 1.2).
• Replace the IOT Drive PWB (PL
1/05
2-37
1.2).
(PL 9.2).
9.2).
Status Indicator RAPs
OF4-001 Main Motor RAP