(No.MB449)1-9
3.1.13 Removing the fan motor
(See Fig.10)
• Remove the top cover.
(1) Form the top side of the main body, remove the tie bands
bundling the wires.
Reference:
After reassembling, bundle the wires with the new tie
bands as before.
(2) Disconnect the wire from the connector
CN552
on the input
mother board.
(3) Remove the two screws
K
attaching the fan motor assem-
bly on the chassis base assembly.
(4) Take out the fan motor assembly from the main body.
(5) Remove the two screws
M
attaching the fan motor on the
fan holder.
Fig.10
3.1.14 Removing the gate drive-1 board
(See Fig.11)
• Remove the top cover and DSP board.
From the top side of the main body, disconnect the connectors
(
CN811
,
CN911
) on the gate drive-1 board from the main ampli-
fier board in an upward direction.
3.1.15 Removing the speaker relay board
(See Fig.11)
• Remove the top cover and DSP board.
(1) From the top side of the main body, disconnect the parallel
wire from the connector
CN301
on the speaker relay board.
(2) Disconnect the speaker relay board from the main amplifier
board while releasing the claw
j
of the connector
CN392
on
the main amplifier board.
Note:
When releasing the claw
j
, take care not to break it.
3.1.16 Removing the vol IC board
(See Fig.11)
• Remove the top cover and DSP board.
(1) From the top side of the main body, disconnect the card
wire from the connector
CN518
on the vol IC board.
(2) Disconnect the vol IC board from the main amplifier board
while releasing the claw
k
of the connector
CN501
on the
input mother board.
Note:
When releasing the claw
k
, take care not to break it.
(3) Disconnect the connector
CN512
on the vol IC board from
the main amplifier board in an upward direction.
Fig.11
Tie bands
Input mother board
Fan motor assembly
K
Chassis base assembly
K
CN552
M
Fan holder
Fan motor
Speaker relay board
Speaker
terminal board
CN811
CN512
CN911
CN518
CN301
Gate drive-1 board
Vol IC board
Speaker
terminal board
CN501
Input mother board
Vol IC
board
k
CN319
Speaker
relay board
j
Main amplifier board
Содержание RX-F31S
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