Board - Sony SRW-5000 Maintenance Manual

5-30-17. MB-964 Board
Replacement
1. Turn the power off and disconnect the power
cord.
2. Place the unit with its one side down to
remove the bottom plate.
(Refer to Section 1-3-2.)
3. Disconnect the flat cables and harnesses from
the connectors CN61, CN62, CN65, CN73,
and CN74 on the MB-964 Board.
4. Reattach the bottom plate temporarily.
5. Restore the unit to the original position.
6. Remove the upper lid (front) assembly and
upper lid (rear) assembly.
(Refer to Section 1-3-1.)
7. Remove the power supply unit.
(Refer to step 1 in section 5-24.)
8. Remove all the plug-in boards.
(Refer to Section 1-12.)
9. Remove the connector panel assembly.
(Refer to Section 1-4.)
10. Remove the AC panel.
(Refer to Section 1-3-4.)
11 Disconnect the harnesses from the connectors
CN68, CN71, CN72, CN75, and CN76 on the
MB-964 board.
5-122
Disconnect the Flat Cables and Harnesses (1)
CN75
CN76
MB-964 board
CN68
Disconnect the Harnesses (2)
CN74
CN61
CN62
MB-964 board
CN65
CN73
CN72
CN71
SRW-5000/5500