JVC RX-7001PGD Service Manual page 6

RX-7001PGD
Removing the amplifier board
Prior to performing the following procedure, remove
the top cover.
1. Cut off the four tie bands fixing the harnesses.
2. Disconnect the harnesses from connector CN711,
CN712, CN704 and CN901 on the main board
respectively.
3.
Disconnect the harnesses from connector CN953 on
the SP terminal board.
4. Remove the four screws K and six screws L
attaching the amplifier board.
Removing the power transformer
Prior to performing the following procedures, remove
the top cover.
1. Unsolder the seven harnesses connected to the
power transformer.
2. Disconnect the harness from connector CN811 and
the harnesses connected to connector CN55 and
CN56 on the power transformer board.
3. Remove the four screws M
transformer.
Removing the Voltage selector board
Prior to performing the following procedure, remove
the top cover and the rear panel.
1. Unsolder the six harnesses connected to the Voltage
selector board.
Removing the power / fuse board
Prior to performing the following procedure, remove
the top cover and the rear panel.
1. Remove the screw N
board.
2. Unsolder the power cord and other harnesses
connected to the power / fuse board.
1-6
(See Fig.10 and 14)
(See Fig.15)
attaching the power
(See Fig.16)
(See Fig.17)
attaching the power / fuse
CN821 CN704
CN901
Main board
CN400
Tie band
Main board
CN711
CN931
CN712
CN932
Fig.10
L
K
Amplifier board
CN711
Fig.14
Fig.15
Fig.16
Power cord
Fig.17
Relay board 1
Relay board 2
Power supply
board
CN811
Relay
board 3
Power
transformer
Tie band
CN961
CN953
L
L
K
CN712
Tie band
Solder
CN55
CN56
CN811
M
Power
M
transformer
Solder
Power
transformer
Solder
Voltage selector board
Power
transformer
N
Solder
Power / fuse board