Cn-1947 Board; Board - Sony HDC-900 Maintenance Manual

4-5. CN-1947 Board

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Every electrical part mounted on the CN-1947 board
cannot be replaced. If there is any defective part, replace
the board itself.
1. Remove the CN-1961 board. (Refer to Section 4-1.)
2. Remove the RP-114 board. (Refer to Section 4-2.)
3. Remove the DR-412 board. (Refer to Section 4-3.)
4. Disconnect the flexible wires from the connectors
(CN2, CN3, and CN4) of the CN-1947 board.
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Refer to Section 1-6 for details on disconnecting/
connecting the flexible card wire.
5. Remove the two screws, and remove the CN-1947

board.

6. Install the new board in the reverse order of steps 1 to
5.
HDC-900/950 MM
4-6. DU-69 Board
1. Remove the shield case (UPPER and LOWER). (Refer
2. Remove one screw, and remove the DU-69 board.
3. Install the new board in the reverse order of steps 1 and 2.
CN3
CN4
PS2 x 4
PS2 x 4
CN2 CN-1947 board
to steps 1 and 2 of Section 4-1.)
DU-69 board
4-5. CN-1947 Board
4-6. DU-69 Board
PS2 x 4
4-3 (E)