Sony DNW-A100 Maintenance Manual page 391

9. Undo the PC board holder, then open the FP-
91 board.
10. Remove the two screws, then remove the
power switch.
11. Disconnect the flat cable from the connector
(CN30) on the FP-91 board.
12. Disconnect the harnesses and the flat cable
from the connector (CN512) on the VR-223
board, connector (CN31) on the SWC-31
board, connector (CN175) on the FP-91
board, and remove the front (upper) chassis
assembly.
13. Disconnect the harness from the connector
(CN224) on the FP-91 board, then remove it.
14. Install the FP-91 board in the reverse order of
steps 2 through 13.
n
When connecting connector CN224, fit the
protrusion of connector on the VR-224 board
into the groove of CN224, then set up the
FP-91 board vertically.
Adjustment after Replacement
15. Perform the TBC remote control offset
adjustment.
(Refer to Section 3-9.)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
PC board holder
FP-91 board
Power switch
FP-91 board
CN175
CN224
CN512
VR-223 board
CN31
5-32-7. FP-91 Board
CN30
PC board holder
Screw
(BVTT3 x 6)
Screw
(BVTT3 x 6)
SWC-31 board
5-207