Panasonic PT-L6500U Service Manual page 19

8.4. Removal of A-P.C.Board
1. Remove the upper case according to the section 8.2. "Removal of
Upper Case".
2. Disconnect the connectors from/to the A-P.C.Board.
3. Unscrew the screws (PT-L6500**: 6, PT-L6600**: 7) fixing the A-
P.C.Board.
4. While lifting the A-P.C.Board slightly and disconnecting the 2
connectors between A- and J-P.C.Boards, remove the A-P.C.Board.
Notes:
- If replacing A-P.C.Board, read the microcomputer and gamma data
from the old P.C.Board and write it in the new one according to the
section 9.5. "Software for Adjustment". If not, remove IC1031 and
IC1040 (for L6500) or IC1303 and IC1312 (for L6600) from the old
P.C.Board and replace them on the new P.C.Board.
- If replacing A-P.C.Board, adjust the Input Level according to the
chapter 9 "Measurements and Adjustments".
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