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MX-GT88
Removing the main board
(See Fig. 14)
Prior to performing the following procedure, remove the metal cover, CD changer unit and rear panel.
CW108
CW101 CW109 CW110 Main board Heat sink PW103
1. Disconnect the card wire from the connector CW101, and the harness from the connector CW108, CW109, CW110 and CW11, and the power cord from the connector PW103 on the main board. 2. Disconnect the harness from the connector PCW1 on the fuse board. 3. Remove the screw G attaching the main board to the front panel assembly. (See Fig.9) 4. Remove the two screws O attaching the heat sink to the bottom chassis.
Fuse board
PCW1
PW102 Bottom chassis Power supply board
CW11 Power cord Power cord stopper
O
Fig.14
Removing the power cord
(See Fig. 14)
Power ICs solder point Heat sink
Prior to performing the following procedure, remove the metal cover, CD changer unit and rear panel. 1. Disconnect the power cord from the connector PW103 on the main board and pull up the power cord stopper upward.
Amp. board (reverse side)
Removing the power ICs (See Fig.15 and 16)
Prior to performing the following procedure, remove the metal cover, CD changer unit and heat sink & amp. board. 1. Unsolder the power ICs solder points. 2. Remove the four screws P attaching the power ICs to the heat sink.
Fig.15
P
Heat sink
Amp. board
Removing the power transformer (See Fig .17)
Prior to performing the following procedure, remove the metal cover, CD changer unit and heat sink & amp. board. 1. Disconnect the harness from the connector PW102 on the power supply board. 2. Disconnect the harness from the connector PCW1 on the fuse board. 3. Remove the four screws Q attaching the power transformer on the bottom chassis.
Fig.16
Power transformer
Fuse board PCW1
Q
Bottom chassis
Power supply board
PW102
Fig.17
1-9
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