JVC RX-ES9SL Service Manual page 10

3.1.10 Removing the DC power board
(See Fig.14)
• Prior to perform the following procedures, remove the top cov-
er, front panel assembly, rear panel and digital input board.
(1) From the top side of the main body, disconnect the wires
from the connectors (CN201, CN206, CN207, CN211,
CN218, CN510, CN520
board.
(2) Disconnect the parallel wire from the connector
the amp. board.
(3) Remove the two screws M attaching the DC power board.
3.1.11 Removing the main board
(See Fig.15)
• Prior to perform the following procedures, remove the top cov-
er, front panel assembly, rear panel, digital input board, digital
output board, AC power supply board and DC power board.
(1) From the top side of the main body, disconnect the wires
from the connector CN525
(2) Disconnect the wires from the connectors
CN519 on the amp board.
(3) Remove the two screws N attaching the main board.
Reference:
• When attaching the two screws N, attach the wire holder
with it.
3.1.12 Removing the amp. board
(See Fig.15)
• Prior to perform the following procedures, remove the top cov-
er, front panel assembly, rear panel, digital input board, digital
output board, AC power supply board and DC power board.
(1) From the top side of the main body, disconnect the wires
from the connectors CN516
(2) Disconnect the wire from the connector
board.
(3) Disconnect the wire from the connector
tifier board.
(4) Remove the four screws P attaching the amp. board.
1-10 (No.MB127)
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and CN711) on the DC power
CN712
on the main board.
CN516
and CN519 on the amp. board.
CN525 on the main
CN703 on the rec-
CN218
CN520
CN510
on
CN207
Wire holder
and
Main board
DC power board
CN210
CN711
M
M
CN211
Amp. board
Fig.14
Amp. board
CN516
CN519 Rectifier board
P
CN525
N P P
Fig.15
CN206
CN712
CN703
P