Epson Perfection 4870 Photo - Removal of SUB_A Board

Perfection 4870 Photo Revision A
DISASSEMBLY/ASSEMBLY Disassembly Procedure 50
4.2.8 Removal of SUB_A Board
1. Remove of Upper Housing. (Refer to 4.2.2 Removal of Upper Housing )
2. Remove the five screws (C.B.P M3x8) which secure the Base Frame.
3. Disconnect the SUB_A Board Connector from the Power Supply Board.
Figure 4-27. Screws Securing Base Frame
4. While lifting the front part of the Base Frame, remove the screw (C.B.S M3x5) and
two hooks which secure the SUB_A Board and then remove the SUB_A Board.
Figure 4-28. Removal of SUB_A Board
C.B.P M3x8
(7±1 kgfcm)
Base Frame
SUB_A Board Connector
Hooks
C.B.S M3x5
(9±1 kgfcm)