JVC RX-5030VBK Service Manual page 7

2.7 Removing the speaker terminal board
(See Fig.8)
• Prior to performing the following procedure, remove the top
cover and rear panel.
(1) From the top side of the main body, remove the solders
from the soldered sections a on the speaker terminal
board.
2.8 Removing the main board
(See Fig.9)
• Prior to performing the following procedure, remove the top
cover.
(1) From the top side of the main body, remove the tie bands
fixing the wires.
(2) Remove the tie band and wire protection board fixing the
card wire.
(3) Remove the solders from the soldered section b on the
speaker terminal board attaching the parallel wires.
(4) Disconnect the relay board from the connectors (CN291,
CN491) on the power supply board and audio board.
(5) Disconnect the parallel wire from the connector CN241 on
the power supply board.
(6) Disconnect the wire from the connector CN251 on the pow-
er transformer board 1.
(7) Disconnect the wires from the connectors CN471, CN472
and CN473 on the audio board.
(8) Remove the screw H, two screws J and four screws K at-
taching the main board.
(9) Take out the main board.
Parallel wires
Soldered sections a
Relay board
Tie bands
K
Main board
Tie band
Wire
protection
board
K
J
Card
wire
CN473
CN472
Audio
CN491
CN471
board
Soldered section b
RX-5030VBK
Speaker terminal board
Fig.8
Power
supply board
K
CN241
Tie band
CN251
CN291
Power
transformer
board 1
Power
transformer
H
Parallel wires
Speaker terminal board
Fig.9
(No.22025)1-7