Y Drive Board - Sony FWD-50PX1 Service Manual

1-3-5. Y Drive Board

1. Remove the rear cover assembly.
(Refer to Section 1-2-1.)
2. Remove the five connectors.
3. Remove the harness from the eight clampers.
4. Remove the bolt (M8 x 16) and four screws (PSW3 x
6), then remove the QB block assembly in the
direction shown by the arrow.
5. Remove the three screws (PSW3 x 6), then remove
the side frame and board cover assembly.
Connectors
Clamper
M8 x 16
PSW
3 x 6
Clampers
Connector
QB block
assembly
PSW
3 x 6
FWD-50PX1
PSW
Connector
3 x 6
Clampers
Side frame
Board cover
assembly
6. Remove the four screws, then remove the option case
bracket assembly.
7. Disconnect the harness and flexible flat cable from the
connectors on the Y drive board.
8. Remove the two connectors from the scan A board and
scan B board.
9. Remove the two screws [B], six screws [A], five
screws [C] and four board holders, then remove the Y
drive board.
PSW
3 x 6
Flexible flat cable
Harness
Screw
[A]
Connectors
Conductive
cushion
Scan B board
Board holders
Scan A board
10. Install the Y drive board in the reverse order of steps 1
to 9.
Option case bracket
assembly
Screw
[B]
Y drive board
Screw
[C]
Board
holders
1-7