JVC MX-GT91R Service Manual page 11

Removing the power cord / power supply
board (See Fig.19)
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.
1. Disconnect the wire from connector CN250 on the
power supply board.
2. Move the power cord stopper upward and pull out it
from the base chassis.
3. Disconnect the wire from connector CN218 on the
power supply board.
4. Remove the power supply board from the CN213 on
the r
egulator board.
Removing the amplifier board / voltage
board / heat sink (See Fig.19 to 21)
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.
1. Remove the tow tie band attaching the wire to the
ampkifer board and 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. Remove the four screws I attaching the amplifier
board to the heat sink.
5. Remove the two screws J, the board bracket and
the voltage board.
Voltage board
Power supply
board
Power
cord
Power cord
stopper
Base chassis
CN250
CN213
Amplifier board
CN704
CN706
Voltage board
Tie band
Regulator board
CN216
Fig.20
Heat sink
Voltage
board
J
MX-GT91R
Tie band
CN218
Fig.19
Tie band
CN703
CN215
Amplifier board
Fig.21
I
I
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