Service manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
DISASSEMBLY AND ASSEMBLY Removing the Circuit Boards 80
Confidential
 Disassembling the Main Board
1. Remove the screws (x2) that secure the Shield Plate M/B Upper, and remove the
Shield Plate M/B Upper.
Figure 4-40. Removing the Main Board (1)
2. Remove the screws (x2) that secure the Main Board, and remove the Main Board
from the Shield Plate M/B Lower.
Figure 4-41. Removing the Main Board (2)
2
C.B.S. 3x6 (8.5±0.5 Kgfcm)
C.B. 3x6 (4±1 Kgfcm)
1
Shield Plate M/B Upper
C.B.S. 3x12 (8.5±0.5 Kgfcm)
C.B. 2.5x6 (4±1 Kgfcm)
1
2
Main Board
Shield Plate M/B Lower
 When installing the Main Board to the Shield Plate M/B Lower,
tighten the screw in the order given in Fig. 4-41.
 When installing the Shield Plate M/B Upper, tighten the screw
in the order given in Fig. 4-40.
A D J U S T M E N T
R E Q U I R E D
After removing/replacing the Main Board Unit, make the specified
adjustments. (See Chapter 5 "ADJUSTMENT".)