JVC RX-7020RBK, Service Manual

Page: 6 / 65

RX-7022RSL/RX-7020RBK
1-6
Prior to performing the following procedure, remove
the top cover and the rear panel.
Remove the screw O attaching the power / fuse
board.
Unsolder the s
older points
the power cord and other
harnesses connected to the power / fuse board.
1.
2.
Removing the power / fuse board
(See Fig.15)
Prior to performing the following procedures, remove
the top cover.
Cut off the tie band fixing the harness.
Unsolder the s
older points
the two harnesses
connected to the power transformer.
Unsolder the s
older points
the harness connected to
the FW201 on the power transformer board.
Remove the four screws N attaching the power
transformer.
1.
2.
3.
4.
Removing the power transformer
(See Fig.15)
Prior to performing the following procedure, remove
the top cover and the front panel.
Remove the one nut attaching the headphone jack of
the power supply board on the front side of the body.
Disconnect the harness connected to connector
CN241, CN201, CN203, and CN291 on the power
supply board (If necessary, cut off the band fixing the
harness on the side of the base chassis).
Remove the three screws P attaching the power
supply board and pull out the power supply board
from the front bracket backward.
Unsolder the s
older points
the three harnesses
connected to the power supply board.
1.
2.
3.
4.
Removing the power supply board
(See Fig.16, 17)
Fig.15
Fig.16
Fig.17
Power
supply
board
Power
transformer
N
CN241
Solder points
(from the power
/ fuse board)
N
Solder
points
O
Power / Fuse board
Power cord
Power
supply
board
Nut
Headphone jack
Headphone jack
Tie band
Solder points
P
P
P
Solder
points
CN201
CN291
bracket
Power transformer board
FW201
CN203
Solder
points