Rep 1.1 3.3/5 V Lvps Bracket; Rep 1.2 Mcu Pwb - Xerox DocuColor 1632 Service Manual

REP 1.1 3.3/5 V LVPS Bracket

Parts List on PL 9.1
Removal
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
PWBís can be damaged by an electrostatic discharge. Observe all ESD procedures to avoid
component damage.
1. Remove Rear Cover (REP 14.2).
2. Remove High Voltage Power Supply Chassis
3. Release 6 harness clips.
4. Remove 3.3/5 VDC Power Supply Chassis
a. Disconnect Harness P/Jís (4).
b. Loosen Lower Screws (2).
c. Remove upper Screws (2) and remove 3.3/5 VDC Power Supply Chassis.
Harness P/Jís
Upper
Screw
3.3 VDC
LVPS
Lower
Screw
Figure 1 Removing 3.3/5 VDC Power Supply Chassis
Prelaunch Training/Review
DC1632/2240
WARNING
CAUTION
(REP 1.6).
(Figure 1).
Lower
Screw
Harness P/Jís

REP 1.2 MCU PWB

Parts List on PL 13.1
Removal
1. If a new PWB will be installed, record NVM values for new PWB
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
2. Remove Right Cover
3. Remove Top Cover
4. Remove Rear Cover
PWBís can be damaged by an electrostatic discharge. Observe all ESD procedures to avoid
component damage.
5. Remove ESS Chassis
6. Remove Screws and remove MCU PWB from ESS Chassis.
Upper
Screw
5 VDC
LVPS
6/02
4-3
WARNING
(REP 14.3).
(REP 14.1).
(REP 14.2).
CAUTION
(REP 1.3).
Repairs and Adjustments
REP 1.1, REP 1.2