1-8 (No.MA220)
3.1.2 Removing the heat sink
(1) From the back side of the main body, remove the six
screws
B
attaching the heat sink. (See Fig.3.)
(2) Remove the heat sink from the main body.
Note:
• Before attaching the heat sink, attach the cooling rubbers on
the power amplifier IC. (See Fig.4)
• When attaching the heat sink, set the projections
b
on the
rear bracket in the holes of the heat sink. (See Fig.3.)
3.1.3 Removing the rear bracket
(See Fig.4)
• Remove the heat sink.
(1) From the back side of the main body, remove the six
screws
C
, two screws
D
and screw
E
attaching the rear
bracket.
(2) Remove the rear bracket from the main body.
Fig.3
Fig.4
3.1.4 Removing the bottom chassis assembly
(See Fig.5)
• Remove the front panel assembly, heat sink and rear bracket.
(1) From the bottom side of the main body, remove the four
screws
F
attaching the bottom chassis assembly.
(2) Take out the bottom chassis assembly from the main body.
When attaching the bottom chassis assembly, set the projec-
tions
of the main body in the holes of the bottom chassis as-
Fig.5
B
B
B
b
b
Rear bracket
Heat sink
C
D
C
E
C
C
Rear bracket
Cooling rubbers
Power amplifier IC
Bottom chassis assembly
c
F
F
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