Replacing Boards; Au-321 Board/Cn-3083 Board - Sony HXCU-100 Service Manual

5-5. Replacing Boards

5-5-1. AU-321 Board/CN-3083 Board

1. Remove the front assembly.
(Refer to Section 5-1.)
2. Remove the top cover.
(Refer to Section 5-2.)
3. Disconnect the fl exible card wire from the
connector CN1 on the SY-364 board.
n
Be careful not to bend the fl exible card
wire. This shortens the wire life.
4. Remove the two screws and draw the
intercom assembly in the arrow direction.
n
Do not pull the harness (AC IN) and the
fl exible card wire strongly.
5. Disconnect the fl exible card wire from the
connector CN1 on the AU-321 board.
n
Be careful not to bend the fl exible card
wire. This shortens the wire life.
6. Remove the two screws (BVTP3 x 12) to
remove the CN-3083 board.
7. Disconnect the harness from the connector
CN2 on the CN-3083 board.
8. Remove the four screws (PSW3 x 6) to
remove the AU-321 board.
9. Disconnect the harness from the connector
CN2 on the AU-321 board.
10. Disconnect the fl exible card wire from the
connector CN3 on the AU-321 board.
n
Be careful not to bend the fl exible card
wire. This shortens the wire life.
5-4 (E)
PSW3 x 6
Harness (AC IN)
Intercom assembly
CN-3083 board
PSW3 x 6
AU-321 board
Incom panel
BVTP3 x 12
CN1
SY-364 board
CN2
PSW3 x 6
CN2
CN1
Flexible card wire
CN3
HXCU-100