JVC MX-GT90 Service Manual page 10

MX-GT90
Removing the voltage selector board
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.
1. Disconnect the wires from connector CN218, CN219
and CN250 on
respectively.
2. Remove the two tie band attaching the wire to the
voltage selector board.
3. Disconnect connector CN213 on the voltage selector
board from the regulator board.
Removing the amplifier board / voltage
board / heat sink (See Fig.20 and 21)
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 J attaching the amplifier
board to the heat sink.
6. Remove the two screws K, the board bracket and
the voltage board.
1-10
(See Fig. 19)
the voltage selector
Voltage selector board
board
CN213
Amplifier board
CN704
CN706
Voltage
board
Regulator
board
K
Tie band
CN218
Tie band
CN219
Fig.19
Tie band
Fig.20
Heat sink
Voltage board
J
J
Amplifier board
Fig.21
CN703
CN215
CN216