Dell 2130cn Service Manual page 377

Step
Checking the HARN ASSY LVPS for continuity
Disconnect J14 from the PWBA MCU.
6
Disconnect J141 from the LED ASSY ERASE.
Is each cable of J14 <=> J141 continuous?
Checking the power to LED ASSY ERASE
Disconnect the connector of J14 from the LED ASSY
7 ERASE.
Is the voltage across P14-15pin <=> ground on the PWBA
MCU, about +3.3 VDC?
Checking the PHD ASSY for connection
Remove the PHD ASSY.
Are five HV terminals on the PHD ASSY, and five springs on
the frame (PL4.1.10 and PL4.1.15 to 18) dirty and/or
deformed?
8
Checking after reseating the PHD ASSY
9 Reseat the PHD ASSY.
Is the image printed correctly?
Checking the TRANSFER ASSY for connection
Open the COVER ASSY FRONT.
Are four HV terminals on the TRANSFER ASSY, and four
springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or
deformed?
10
Checking after reseating the PWBA MCU
11 Reseat the PWBA MCU.
Is the image printed correctly?
Check
1 - 351
Chapter 1 Troubleshooting
Remedy
Yes
Replace the
Go to step 7. HARN ASSY
LVPS.
Replace the LED Replace the
ASSY ERASE. PWBA MCU.
(Refer to Removal (Refer to Removal
15/ Replacement 43/ Replacement
39.) 11.)
Clean and/or
replace the PHD
Go to step 9.
ASSY or
SPRING(s).
End of work. Go to step 10.
Clean or replace
the TRANSFER
Go to step 11.
ASSY or
SPRING(s).
End of work. Go to step 12.
No