1-10 (No.MB080)
3.1.8
Removing the main board
(See Fig. 14)
• Prior to performing the following procedure, remove the metal
cover, CD changer unit and rear panel.
(1) Disconnect the card wire from the connector
CW101
and
the harness from the connector
CW108
,
CW109
and
CW110
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.
3.1.9
Removing the power cord
(See Fig. 14)
• Prior to performing the following procedure, remove the metal
cover, CD changer unit and rear panel.
(1) Disconnect the power cord from the connector
PW101
on
the power supply board and pull up the power cord stopper
upward.
Fig.14
3.1.10 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
Fig.16
3.1.11 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 power cord from the connector
PW101
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.17
Power supply
board
Fuse board
Power cord
Bottom chassis
Power cord
stopper
O
Heat sink
CW101
CW109
PW101
CW110
PCW1
Main board
CW108
Heat sink
Power ICs solder point
Amp. board
(reverse side)
Heat sink
Amp. board
P
Power supply
board
Fuse board
Q
PW101
Power transformer
PCW1
Bottom
chassis
Содержание MX-GA8
Страница 33: ...2 1 Block diagram ...
Страница 35: ...2 3 Parts are safety assurance parts When replacing those parts make sure to use the specified one Amp section ...
Страница 36: ...2 4 Front section ...
Страница 37: ...2 5 Pirnted circuit boards Main board Power board ...
Страница 38: ...2 6 Front board Trans board ...
Страница 39: ... M E M O ...
Страница 57: ...3 17 MEMO ...