Xerox WorkCentre 5790 Series Service Manual page 73

01F +12V Distribution RAP
Use this RAP to identify +12V distribution problems.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
Refer to Figure 1 and Figure 2. Go to the appropriate component in the list that follows that has
a suspect +12V supply. Check wiring, GP
• Power distribution PWB, PL 3.24 Item
– Flag 1, P/J131, P/J25.
• User interface control PWB, PL 2.10 Item
– Flag 2, P/J133, P/J130.
– Flag 1, P/J25, P/J131.
• Scanner PWB, PL 14.15 Item 4.
– Flag 3, P/J920, P/J135.
– Flag 1, P/J131, P/J25.
• CCD PWB, W/O TAG 150.
– Flag 3, P/J450, P/J135.
– Flag 1, P/J131, P/J25.
• Riser PWB PL 3.22 Item 3.
– Flag 4, P/J155, P/J138.
– Flag 1, P/J131, P/J25.
• Embedded FAX PWB, PL 20.10 Item
– Flag 4, P/J157, P/J155, P/J138.
– Flag 1, P/J131, P/J25.
• IOT PWB, PL 1.10 Item 2.
– Flag 6, P/J26.
• Xerographic CRUM, part of the xerographic
ppm) PL 9.20 Item 2.
– Flag 8, P/J142, PJ144.
– Flag 7, P/J147, P/J16.
• Main drive PWB (35-55 ppm), PL 4.15 Item
– Flag 7, P/J147, P/J16.
• Door interlock switch, PL 1.10 Item
– Flag 9, P/J17.
• Single board controller PWB, PL 3.24 Item
– Flag 10, P/J137, P/J106.
– Flag 1, P/J131, P/J25.
• Hard disk drive, PL 3.22.
– Flag 11, P/J139, P/J999.
– Flag 1, P/J25, P/J131.
Xerox® WorkCentre® 5790 Family
WARNING
7.
5.
11.
4.
module, (35 ppm) PL 9.22 Item
6, (65-90 ppm) PL 4.10 Item 6.
7.
3.
2, (40-90
May 2013
2-41
Status Indicator RAPs
01F