Removing The Circuit Boards; Removing The Board Assy., Main; (C062 Main Board) - Epson LG1-1070 Service Manual

Removing the Circuit Boards

3.2.3
This section describes how to remove the BOARD ASSY., MAIN (C062 MAIN board), the BOARD ASSY.,
POWER SUPPLY (C062 PSB/PSE board) and the BOARD ASSY., PANEL (C062 PNL board).
3.2.3.1 Removing the BOARD ASSY., MAIN (C062 MAIN Board)
Remove the HOUSING ASSY.,UPPER (see Section 3.2.2.2).
2. Remove the CB (M3 X 6) screws that hold the HOLDING PLATE, FFC to the SHIELD PLATE, MAIN
BOARD . Remove the HOLDING PLATE, FFC.
Disconnect the FFC (CABLE, HEAD, FRONT (, REAR)) removing the cables for the CN6 and CN7
3.
connectors on the main board.
4. Remove the three CBB (C) (M3 X 10) screws that hold the SHIELD PLATE, MAIN BOARD to the BOARD
SHIELD PLATE, RIGHT
5. Remove the CBB (M4X 10) screw that holds the SHIELD PLATE, RIGHT to the BOARD ASSY., MAIN.
Remove the CBB(C) (M4 X 14) screw that holds it to the HOUSING ASSY., LOWER. Remove the SHIELD
PLATE, RIGHT.
6. Remove the cables for the following BOARD ASSY., MAIN connectors: CN3 (brown 12-pin), CN4
(white 5-pin), CN5 (white 6-pin), CN8 (yellow 2-pin), CN9 (black 2-pin), CN 10 (blue 2-pin), CN 11 (white
2-pin), and CN 12 (red 2-pin).
7. Remove the three CBB(C) (M3 X 10) screws and CB (M3 X 8) screws that hold the BOARD ASSY., MAIN
to the HOUSING ASSY., LOWER. Remove the BOARD ASSY., MAIN.
BOARD ASSY., 'MAIN CBB(CfiM3 X 10) Screws
Figure 3-6. Removing the SHIELD PLATE, MAIN BOARD
Figure 3-7. Removing the BOARD ASSY., MAIN
.
CB (M3 8)' Screw
X
3-7
HOLDING PLATE, FFC
SHIELD PLATE,
MAIN BOARD
REV.-B
I