JVC RX-DP20VBK Service Manual page 11

3.1.12 Removing the input base board
(See Fig.12)
• Prior to performing the following procedure, remove the top
cover, rear panel, DSP board, audio signal 1 board, audio sig-
nal 2 board, video board, S video board and V compo 1 board.
(1) Disconnect the harness from the connector
power supply 1 board and
board.
And cut off the tie bands fixing the harness.
(2) Disconnect the harness from the connector
speaker board.
(3) Disconnect the card wire from the connector CN1,
and the harness from the connector
base board.
(4) Remove the seven screws H attaching the input base
board.
3.1.13 Removing the speaker board
(See Fig.12)
• Prior to performing the following procedure, remove the top
cover and rear panel.
(1) Disconnect the harness from the connector CN741,
and CN743 on the speaker board.
3.1.14 Removing the power supply 1 board
(See Fig.13)
• Prior to performing the following procedure, remove the top
cover.
(1) Disconnect the harness from the connector CN61, CN62,
CN63, CN64 and CN65
(2) Disconnect the harness from the connector
CN45 on the power supply 2 board.
(3)
CN62 on the
CN44 on the power supply 2
CN743 on the
CN11 on the input
CN742
on the power supply 1 board.
CN44
H
CN1
CN2
CN11
CN2
H
Input base board
CN743
Speaker board
CN62
and
I
CN61
Power supply CN44
(on the power
CN62
1 board
supply 2 board)
CN741
Fig.12
CN63
CN65 CN64
(fixing the
lug wire)
CN44/CN45
I
(on the power
supply 2 board)
Power supply 1 board
Fig.13
(No.22008)1-11
CN742