Main Board - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

4.2.4 Main Board

A D J U S T M E N T
When the Main Board is to be replaced, back up the data in
R E Q U I R E D
EEPROM before starting disassembly, if possible. After assembly,
make the following adjustment.
5.1.1 Adjustment by Use of Adjustment Program (TBD) (p.72)
1. Remove the Panel Assy. (p. 43)
2. Remove the Ferrite Core Holder for the Head FFC. (Fig. 4-13)
3. Disconnect all the FFCs and connectors from the Main Board.
4. Remove the ferrite core for the Control Panel FFC from the holder, and remove the
holder from the Shield Plate M/B. (Fig. 4-13)
5. Remove the screws (1+1), and remove the USB Host Assy.
6. Remove the screws (4+1), and remove the Main Board Assy. (Fig. 4-14)
7. Remove the screws (x2), and remove the Shield Plate and Shield Plate M/B
Support. (Fig. 4-15)
8. Remove the screws (x3), and remove the Main Board. (Fig. 4-15)
(éüÇÃÉyÅ[ÉWÇ÷ë±Ç¦)
Figure 4-12. Main Board Layout
Disassembly and Assembly
Head FFC
Figure 4-13. Removing the Ferrite Core Holder
C.B.S-TITE 3x8 Torque : 0.8±0.1N
C.B.P-TITE 3x10 Torque : 0.6±0.1N
Figure 4-14. Removing the Main Board Assy
Shield Plate M/B
C.B.S-TITE 3x8
·
Torque : 0.8±0.1N m
Removal of Exterior Parts
Ferrite Core Holder
Release the hook and
slide the holder laterally
Raise this area and
slide the holder
Cut
· m
3
USB Host Assy
·
m
1
Shield Plate
M/B Support
C.B.S-TITE 3x8 (x2)
·
Torque : 0.8±0.1N m
C.B. 3x8
·
Torque : 0.8±0.1N m
Figure 4-15. Removing the Main Board
Revision A
Ferrite Core Holder
C.B.S 3x8
·
Torque : 0.8±0.1N m
5
1
C.B.P-TITE 3x10 (x4)
·
Torque : 0.6±0.1N m
2
4
C.B 3x12
·
Torque : 0.8±0.1N m
2
3
46