JVC MX-DVA9 Service Manual page 13

Removing the power amplifier board (1)
/ power amplifier board (2) / heat sink
Prior to performing the following procedure, remove
the metal cover, the DVD changer mechanism
assembly, the rear panel, the antenna board and the
analog output board.
1. Disconnect the wire from connector CN513 on the
main board.
2. Remove the wire clamp on the power amplifier board
(1).
3. Disconnect the wire from connector CN703 on the
power amplifier board (2).
4. Disconnect connector CN310 on the power amplifier
board (1) and CN701 on the power amplifier board
(2) from the regulator board upward. The heat sink is
detached with the power amplifier board (1) and the
power amplifier board (2).
5. Remove the four screws J
amplifier board (1) to the heat sink.
6. Remove the four screws K
amplifier board (2) to the heat sink.
(See Fig.25 to 27)
Power amplifier
attaching the power
attaching the power
Main board
CN703
CN513
board (2)
Heat sink
CN310
CN701
Fig.25
Power amplifier board (1)
Fig.26
Power amplifier board (1)
Heat sink
K
K
Fig.27
MX-DVA9/MX-DVA9R
Wire clamp
Power amplifier
board (1)
Regulator board
Power amplifier board (2)
Heat sink
J
J
Power amplifier board (2)
1-13