RX-7022RSL/RX-7020RBK
1-5
Prior to performing the following procedure, remove
the top cover and the rear panel.
Removing the audio board (See Fig.10)
Disconnect the card wire from connector CN402
CN403 on the audio board.
Disconnect the relay board from the audio board and
the power supply board. (CN291, CN491)
Disconnect the harness from connector CN471,
CN472, CN473.
Remove the three screws G attaching the audio
board assembly.
Remove the screw H attaching the audio board
assembly.
1.
2.
3.
4.
5.
Removing the heat sink
(See Fig.12 to 14)
Prior to performing the following procedure, remove
the top cover, the rear panel and audio board.
Disconnect the harness from connector CN241 and
CN203 on the power supply board respectively.
Disconnect the harness from connector CN251 on
the power transformer board .
Remove the four screws I and the two screws J
attaching the main board.
1.
2.
3.
Removing the main board (See Fig.11)
Prior to performing the following procedure, remove
the top cover and main board.
Remove the two screws K attaching the heat sink to
the reverse side of main board.
Disconnect the for connectors with each amp. board,
and remove the main board.
Remove the four screws M and ten screws L
attaching the heat sink.
1.
2.
3.
Fig.10
Fig.13
Fig.11
Fig.12
power
supply
board
Power / Fuse
board
Relay board
CN473
Audio board
Main board
rear side
Main
board
Heat sink
CN291
CN203
CN491
H
G
CN471
CN402
CN472
Power
transformer
G
G
CN241
I
I
I
I
J
J
L
L
K
K
M
M
CN251
L
Fig.14
Main board
Rear Rch amp. board
Front Lch amp. board
Front Rch amp. board
Center amp. board
Rear Lch amp. board
Heat sink
CN802
CN801
CN302
CN301
CN901
CN403
Summary of Contents for RX-7020RBK
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