Ky-582G Board/Dp-407G Board - Sony OEP-4 Service Manual

1-4-3. KY-582G Board/DP-407G Board/SE-
756 Board
1. Remove the top cover. (Refer to Section 1-3-1.)
2. Remove the front panel assembly.
(Refer to Section 1-3-2.)
3. Remove the screw (BVTP2.6 x 6), then remove the
SW mounting plate.
4. Remove the screw (BVTT2 x 10), then remove the
SE-756 board and switch plate.
5. Disconnect the harness from the connector on the SE-
756 board.
6. Remove the two screws (PSW2.6 x 8), protection
plate and spring (B), then remove the ribbon door
assembly.
BVTP2.6 x 6
Switch plate
SW mounting
plate
Ribbon door assembly
7. Remove the three screws (M2 x 5) and six hooks of
the ribbon door assembly, then remove the door cover
assembly.
8. Remove the six screws (BVTP2.6 x 6), then remove
the reinforcing plate (door).
9. Remove the nine screws (BVTP2.6 x 6), then remove
the spring (KEY) and KY-582G board.
10. Disconnect the flexible flat cable from the connector
(CN501) on the KY-582G board.
11. Remove the two screws (BVTP2.6 x 6), then remove
the spring (LCD) and DP-407G board.
12. Disconnect the flexible flat cable from the connector
(CN407) on the DP-407G board.
1-4
Harness
PSW
SE-756 2.6 x 8
board
BVTT
2 x 10
Protection
plate
PSW
2.6 x 8
Spring (B)
Front panel
Door cover
assembly
BVTP
2.6 x 6
Reinforcing
plate (door)
Flexible flat
cable
BVTP
2.6 x 6
DP-407G
board
CN401
BVTP
2.6 x 6
KY-582G
board
Flexible flat
CN501
cable
Ribbon door
assembly
Hooks
13. Install the KY-582G board, DP-407G board and SE-
756 board in the reverse order of steps 1 to 12.
M2 x 5
Spring
(LCD)
BVTP
2.6 x 6
Spring
(KEY)
Hook
OEP-4