Panasonic TH-65PHD8BK Service Manual page 22

7.14.3. Removal of the C3-Board
1. Remove the flexible cable from the coupler(C31).
2. Disconnect the couplers(C33, C35).
3. Remove the 8 screws and then remove the flexible cables from the
couplers(CA8, CA9, CA10, CA11).
4. Remove the 6 screws and then remove the C3-Board.
7.14.4. Removal of the C4-Board
1. Remove the flexible cable from the coupler(C41).
2. Disconnect the couplers(C42, C43, C44).
3. Remove the 8 screws and then remove the flexible cables from the
couplers(CB8, CB9, CB10, CB11).
4. Remove the 6 screws and then remove the C4-Board.
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