Dell 3130cn Service Manual page 263

Step
Checking the MOTOR ASSY DUP for operation
Does the MOTOR ASSY DUP operate properly?
8
Checked by [Digital Output] - [DO-13(Control Panel)/DUPLEX
MOTOR ON(PC)] in diagnosis.
Checking the CLUTCH ASSY PH TURN for operation
Does the CLUTCH ASSY PH TURN operate properly?
9
Checked by [Digital Output] - [DO-2b(Control Panel)/MSI
TURN CLUTCH ON(PC)] in diagnosis.
Checking the PH Motor for operation
Does the PH Motor operate properly?
10
Checked by [Digital Output] - [DO-a(Control Panel)/PH
MOTOR ON(PC)] in diagnosis.
Checking the connectors of the PWBA DUP-H and PWBA
MCU for connection
11 Check the connections between the PWBA DUP-H and
PWBA MCU.
Are P/J428, P/J2720, P/J272 and P/J27 connected surely?
Checking the HARN ASSY DUP UNIT for continuity
Disconnect P/J428 from the PWBA DUP.
12 Disconnect P/J2720 from the HARN ASSY FRONT
COVER.
Is each cable of P/J428 <=> P/J2720 continuous?
Checking the HARNESS ASSY FRONT COVER for conti-
nuity
13 Disconnect P/J2720 from the HARNESS ASSY DUP UNIT.
Disconnect P/J272 from the HARN ASSY R SIDE.
Is each cable of P/J2720 <=> P/J272 continuous?
Checking the HARN ASSY R SIDE for continuity
Disconnect P/J272 from the HARNESS ASSY FRONT
14 COVER.
Disconnect P/J27 from the PWBA MCU.
Is each cable of P/J272 <=> P/J27 continuous?
Checking the power to the PWBA DUP-H
<The check of DUP JAM SENSOR>
Disconnect the connector of P/J27 on the PWBA MCU.
Is the voltage across ground <=> J27-15pin on the PWBA
15 MCU, about +3.3 VDC?
<The check of CLUTCH DUP/MOTOR ASSY DUP >
Disconnect the connector of P/J27 on the PWBA MCU.
Is the voltage across ground <=> J27-17,18pin on the
PWBA MCU, about +24 VDC?
Checking after replacing the PWBA DUP-H
16 Replace the PWBA DUP-H.
Does the error still occur when the power is turned ON?
Version 1 2008.02.15
Check
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Chapter 1 Troubleshooting
Yes
Go to step 9.
Go to step 10.
Replace the
PWBA MCU.
(Refer to Removal
30/Replacement
14)
Go to step 12. P/J428, P/J2720,
P/J272 and/or P/
Go to step 13.
Replace the HAR-
Go to step 14.
FRONT COVER.
Go to step 15. HARN ASSY R
Go to step 16. (Refer to Removal
30/Replacement
FEEDER ASSY
End of work
Replacement 39.)
No
Go to step 11.
Go to step 17.
Go to step 20.
Reconnect the
connector(s)
J27 surely.
Replace the
HARN ASSY
DUP UNIT.
NESS ASSY
Replace the
SIDE.
Replace the
PWBA MCU.
14.)
Replace the
DUP
(Refer to
Removal 5/