Rep 3.4 Single Board Controller And Power Distribution Pwbs - Xerox WorkCentre 5790 Series Service Manual

REP 3.4 Single Board Controller and Power Distribution
PWBs
Parts List on PL 3.24
Removal
Switch off the electricity to the machine,
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
Figure 1 ESD Symbol
1. Pull out the single board controller PWB module,
2. If installed, remove the foreign interface PWB,
troller PWB.
NOTE: Record the location of the memory module(s) before removal.
NOTE: Remove the memory module(s) and the software module by pressing the side
catches downwards. When reinstalling the memory and software modules, press each
end of the modules down firmly and the catches will return to their original position.
3. Remove the memory module, PL 3.24 Item 12
4. Remove the software module from the single board controller PWB,
5. (W/TAG 150 Only). Disconnect the PJs from the scanner daughter PWB,
20. Remove the scanner daughter PWB.
6. Disconnect the PJs from the relevant PWBs:
• Single board controller PWB,
• Riser PWB, PL 3.22 Item 3.
7. Remove the embedded fax module, riser PWB or single board controller PWB,
Xerox® WorkCentre® 5790 Family
WARNING
GP 14. Disconnect the power cord from the
PL 3.24 Item 1.
PL 3.22 Item 4 from the single board con-
from the single board controller PWB.
REP 3.3.
PL 3.24 Item 3.
PL 3.24 Item
Figure 2.
May 2013
4-31
Repairs/Adjustments
REP 3.4