Sony HDC4300 - MB-1214 Board

5. Remove the four screws, and detach the heat sink DPR.
PSW3 x 6
Heat sink DPR
DPR thermal sheet
6. Install the removed parts by reversing the steps of removal.
4-8-4. MB-1214 Board
Preparation
1. Remove the inside panel assembly. (Refer to“4-2. Inside Panel Assembly”)
2. Remove the outside panel assembly. (Refer to“4-3-1. Outside Panel Assembly”)
3. Remove the front assembly. (Refer to“4-5. Front Assembly”)
4. Remove the SY-408 board. (Refer to“4-8-1. SY-408 Board/AT-189 Board”)
5. Remove the power block assembly. (Refer to“4-8-2. Power Block Assembly (RE-291 Board/PS-836 Board)”)
6. Remove the DPR-370 board. (Refer to“4-8-3. DPR-370 Board”）
Procedure
1. Disconnect the three harnesses from the three connectors (CN6, CN7, and CN9) on the MB-1214 board.
2. Remove the counter measure sheet from the connector (CN1) on the MB-1214 board.
HDC4300
4-32