JVC MX-G70 Service Manual page 11

Removing the amplifier board / voltage
board / heat sink
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.
1. Remove the two tie band attaching the wire to the
amplifier board and the voltage board.
2. Disconnect the wires from connector CN703, CN704
and CN706 on the amplifier board respectively.
3. Disconnect connector CN215 on the amplifier board
and CN216 on the voltage board from the regulator
board (The heat sink and heat sink bracket will be
detached at once).
4. Pull out the upper and lower heat sink brackets from
the heat sink respectively.
5. Remove the four screws I attaching the amplifier
board to the heat sink.
6. Remove the two screws J, the board bracket and
the voltage board.
Removing the
assembly
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel and power supply
board.
1. Disconnect the wire from connector CN204 on the
regulator board.
2. Remove the plastic holder.
3. Remove the four screws K attaching the transformer
assembly.
Removing the regulator board
Prior to performing the following procedure, remove
metal cover, CD changer mechanism assembly, rear
panel, tuner board, main board, amplifier board,
voltage board, power supply board and speaker
board.
1. Disconnect the wire from connector CN204 on the
regulator board.
2. Remove the two screws L attaching the regulator
board.
(See Fig.20 and 21)
power transformer
(See Fig.22)
(See Fig.22)
Amplifier board
CN704
CN706
Voltage
board
Regulator
board
Fig.20
J
I
Fig.21
Regulator board
CN204
Plastic
holder
Regulator board
Fig.22
MX-G70
Tie band
CN703
CN215
CN216
Heat sink
Voltage board
Amplifier board
K
Transformer
board
Power
transformer
assembly
K
L
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