JVC RX-F31S Service Manual page 11

3.1.19 Removing the input mother board
(See Fig.14)
• Remove the top cover, rear panel, tuner, DSP board, vol sel
board, audio input/output board, vol IC board and video con-
nect board.
(1) Remove the tie band fixing the wire.
Reference:
After reassembling, fix the wire with the new tie band as
before.
(2) Disconnect the wire from the connector
setup board.
(3) Disconnect the wire from the connector
speaker terminal board.
(4) Disconnect the parallel wire from the connector
the input mother board.
(5) Disconnect the wires from the connectors (CN451, CN530,
CN540, CN552) on the input mother board.
(6) Remove the three screws P and take out the input mother
board.
CN725 on the S.S.
CN751 on the
CN509 on
P
Input mother board
S.S. setup board
CN509
CN751
CN451
CN530
P
CN552
CN540
Speaker terminal board
Fig.14
CN725
Tie band
P
(No.MB449)1-11