Driver Board; Replacing The Ac/Dc Converter Unit - Sony HDC-900 Maintenance Manual

3-2-3. Driver Board

1. Remove the filter disk unit. (Refer to Section 3-2-1.)
2. Remove the four screws.
3. Disconnect the harness connector from the connector
of driver board, and remove the driver board.
Driver board
4. Attach the new driver board in the reverse order of
steps 1 to 3.
Adjustment
After replacement, filter positioning adjustment is re-
quired.
Refer to Section 6-8 for details on adjustment.
HDC-900/950 MM

3-3. Replacing the AC/DC Converter Unit

1. Remove the inside panel. (Refer to Section 1-4 of the
Installation and Maintenance Manual.)
2. Pull out the plug-in boards (RE, AU, AT, SG, DAP,
DAD, VDA, DPR, VA) along the groove of the board
rail and remove.
P2.6 x 5
P2.6 x 5
3-2. Replacing the Filter Disk Unit
3-3. Replacing the AC/DC Converter Unit
AT board
SG board
DAP board
DAD board
VDA board
DPR board
VA board
RE board
AU board
3-5 (E)