JVC RX-7001PGD Service Manual page 7

Removing the power supply board
Prior to performing the following procedure, remove
the top cover and the front panel.
1. Remove the one nut attaching the headphone jack of
the power supply board on the front side of the body.
2. Disconnect the relay board 1, 2 and 3 from the
power supply board and the main board respectively.
3. Disconnect the harness connected to connector
CN55 and CN56 on the power transformer board (If
necessary, cut off the band fixing the harness on the
side of the base chassis).
4. Remove the four screws O
supply board and pull out the power supply board
from the front bracket backward.
5. Unsolder the three harnesses connected to the
power supply board.
Removing the system control board /
power switch board (See Fig.20 to 21)
Prior to performing the following procedure, remove
the top cover and the front panel assembly.
1. Pull out the volume knob on the front side of the front
panel and remove the nut attaching the system
control board.
2. Remove the six screws P
control board on the back of the front panel and
disconnect the harness from connector CN422 on
the system control board.
3. Disconnect the harness from connector CN430 on
the power switch board.
4. Remove the five screws Q
switch board.
(See Fig.18 and 19)
attaching the power
attaching the system
attaching the power
Power supply board
Relay board 1
Relay board 2
Relay board 3
P
System control board
P
Front panel assembly
RX-7001PGD
Headphone jack
Nut
Fig.18
Power supply board
Headphone jack
O
Solder
O
Solder
O
Tie band
CN55
CN56
Tie band
Power transformer
Fig.19
Nut
Front panel
Volume knob
Fig.20
Power switch board
Q
CN430
CN422
P
Fig.21
Q
1-7