Sony DNW-A100 Maintenance Manual page 411

10. Disconnect the harnesses from the connectors
(CN522 and CN523).
11. Remove the four nuts and washers, and
remove the VR-224 board.
12. Install the VR-224 board in the reverse order
of steps 2 through 11.
m
. After tightening the nuts, apply locking
compound.
. Adjustment after replacement is not
required.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
CN523
VR-224 board
VR-224 board
5-32-18. VR-224 Board
CN522
Volume bracket
Washers
Nuts
5-227