Epson Perfection 4870 Photo - Removal of Power Supply Board

Perfection 4870 Photo Revision A
DISASSEMBLY/ASSEMBLY Disassembly Procedure 51
4.2.9 Removal of Power Supply Board
1. Remove of Carriage Unit. (Refer to 4.2.5 Removal of Carriage Unit )
2. Disconnect the SUB_A Board Connector and the Power Supply Connector from the
Power Supply Board.
3. Remove the two screws (C.B.S M3x5) which secure the Power Supply Board Unit.
Figure 4-29. Removal of Power Supply Board Unit (1)
4. Lift the Power Supply Board Unit, release the five hooks on the right side and then
remove the Power Supply Board Unit.
Figure 4-30. Removal of Power Supply Board Unit (2)
5. Disconnect the Main Board Connector from the Power Supply Board.
6. Remove the five screws (C.B.S M3x5) which secure the Power Supply Board and then
remove the Power Supply Board from the Power Supply Board Cover.
Figure 4-31. Removal of Power Supply Board
C.B.S M3x5
(9±1 kgfcm)
Power Supply Board Unit
Power Supply Connector
SUB_A Board Connector
Hooks
C.B.S M3x5
(9±1 kgfcm)
Power Supply Board
C.B.S M3x5
(9±1 kgfcm)
Main Board Connector
Power Supply Board Cover