Hn-227 Board - Sony DSR-300 Service Manual

2-11-9. HN-227 Board

1. Remove the mechanical deck. (Refer to section 2-11.)
2. Remove the SV-164 board. (Refer to steps 4 and 5 of
section 2-11-8.)
3. Disconnect the five flexible cards (CN511, CN512,
CN513, CN514, and CN515) from the HN-227 board.
4. Disconnect the connector CN517 from the HN-227
board.
5. Remove the two screws (PWH1.4 x 2.5) and remove
the HN-227 board.
Note: When replacing the HN-227 board, remove
IC1 from the former HN-227 board, then
mount it on the new HN-227 board.
2-11-10. AA-92 Board
1. Remove the screw (B2.6 x 5) and remove the handle
lid assembly.
2. Remove the four screws (B3 x 8) and remove the
handle assembly in the arrow direction.
Point to notice when attaching the board:
Align the boss portion with square hole when installing the
handle assembly.
3. Disconnect the flat cable (CN504) and the three
connectors (CN501, CN505, and CN506) from the AA-
92 board.
4. Remove the six screws (Precision P2.6 x 6, B2 x 5,
and B2.6 x 4) and remove the AA-92 board.
DSR-300/P(E)/V1
CN514
CN513
HN-227 board
CN512
Mechanical deck
(Rear side)
B3 x 8
B3 x 8
Handle assembly
Hole
Boss portion
CN504
CN506
Precision screw
P2.6 x 6
Precision
screw
P2.6 x 6
B2 x 5
Screws
PWH1.4 x 2.5
CN515
CN517
CN511
B2.6 x 5
Handle lid assembly
B2.6 x 4
AA-92 board
CN501 CN505
2-21