SONY HKDV-503
Service Manual

2-3. Installation and Removal of Boards

2-3. Installation and Removal of Boards
2-3-1. CP-137 Board
1. Remove the top plate. (Refer to the section 2-2-1.) 2. Disconnect the seven connectors (CN11, CN12, CN13, CN14, CN15, CN16 and CN22). 3. Disconnect the five flexible card wires (CN3, CN4, CN5, CN6 and CN6a). 4. Remove the five screws on the CP-137 board and two hexagon head screws for D-sub connector. 5. Disconnect the two connectors (CN9 and CN10) and two flexible card wires (CN1 and CN2) while raising the CP-137 board, then remove the CP-137 board.

2-3-2. VR-84 Board
1. Remove the top plate. (Refer to the section 2-2-1.) 2. Remove the front panel. (Refer to the section 2-2-2.) 3. Remove the three screws, then remove the VR-84 board from the front panel.

Front panel

BV3 x 8 VR-84 board BV3 x 8

PSW3 x 6 CN1 CN2 PSW3 x 6 CN6a CN10 CN9 BV3 x 8

4. Install the VR-84 board in the reverse order of steps 1 through 3.
CN22

CN6 to CN3

CN16 to CN11

2-3-3. MS-26 Board
1. Remove the top plate. (Refer to the section 2-2-1.) 2. Remove the front panel. (Refer to the section 2-2-2.) 3. Remove the VR-84 board. (Refer to the section 2-32.) 4. Remove the four screws, then remove the MS-26 board from the front panel.

CP-137 board D-sub connector Hexagon head screw

6. Install the CP-137 board in the reverse order of steps 1 through 5.

Front panel

Memory key MS-26 board BV3 x 8

5. Install the MS-26 board in the reverse order of steps 1 through 4.

2-2

HKDV-503E