JVC TH-C9 Service Manual page 12

3.1.8 Removing the main board
(See Fig. 11)
• Prior to performing the following procedures, remove the metal
cover, rear panel, audio & digital input board and tuner.
(1) From the top side of the main body, remove the screw R at-
taching the bracket board and take the bracket board.
(2) Remove the screw S and screw S' attaching the main
board on the bottom chassis.
Reference:
When attaching the screw S', attach the wire protection
board with it.
(3) Take out the wire protection board, and disconnect the
card wires from the connectors
main board.
Reference:
When attaching the wire protection board, attach the
wire protection board after connecting the card wires to
the connectors (CN401
(4) Disconnect the card wires from the connectors (CN450,
CN460) on the main board.
(5) Disconnect the parallel wires from the connectors
to CN407, CN456 and CN457) on the main board.
(6) Take out the main board from the main body.
1-12 (No.MB427)
(CN401 to CN403) on the
to CN403) on the main board.
(CN404
CN460 CN456
CN457
S'
Bracket
board
R
S
CN450
CN403 CN407
Main board CN404
Fig.11
Wire protection board
CN401 CN402
CN406
CN405
Bottom chassis