Panasonic KV-S1025C SERIES Service Manual page 57

8.4.4. CONTROL Board
(1) Remove the Bottom Cover. (See 8.2.3.)
(2) Remove the screw fixing the USB connector.
(3) Remove the 6 screws on the CONTROL Board.
(4) Release the wires from the 2 clamps.
(5) Disconnect the 6 connectors.
Reassembling Note:
When reassembling the CONTROL Board, attach
the screw to the USB connector before fixing
the bottom of the board with the 6 screws.
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