Key-32C Board - Sony BKDM-3020 Maintenance Manual

3-5. Replacement of Printed Circuit Boards

3-5-4. KEY-32C Board

1. Remove the bottom plate. (Refer to the section 3-2.)
2. Disconnect the connector CN1 on the KEY-32C board.
3. Remove the four screws on the KEY-32C board.
4. Remove the KEY-32C board with the KEY bracket
(2).
KEY bracket(2)
X
BVWH3 8
5. Install a new KEY-32C board in the reverse order of
the steps 1 through 4.
3-6 (E)
3-5-5. SE-214 Board
Three SE-214 boards are used in BKDM-3010.
1. Remove the bottom plate. (Refer to the section 3-2.)
2. Disconnect the connector CN1 on the SE-214 board.
3. Remove a screw on the SE-214 board, then remove the
B3
CN1
KEY-32C board
4. Install a new SE-214 board in the reverse order of the
SE-214 board.
X
8
X
B3 8
B3
SE-214 boards
steps 1 through 3.
X
8
CN1