JVC RX-F31S, Руководство по обслуживанию

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(No.MB449)1-7
3.1.4 Removing the tuner
(See Fig.6)
• Remove the top cover.
(1) From the top side of the main body, disconnect the card
wire from the connector CN1 on the tuner.
(2) From the back side of the main body, remove the two
screws E attaching the tuner to the rear panel and take out
the tuner.
3.1.5 Removing the DSP board
(See Fig.6)
• Remove the top cover.
(1) From the back side of the main body, remove the five
screws E attaching the DSP board to the rear panel.
(2) From the top side of the main body, disconnect the DSP
board from the vol IC board while releasing the claw c of
the connector CN601 on the DSP board.
Note:
When releasing the claw c , take care not to break it.
(3) Take out the DSP board and disconnect the card wire from
the connector CN602 on the forward side of the DSP
board.
Reference:
When attaching the DSP board, align the section d of the
speaker relay board in hole on the DSP board.
Fig.6
3.1.6 Removing the master clock board
(See Fig.7)
• Remove the top cover.
(1) From the top side of the main body, remove the screw F .
Reference:
When attaching the screw F , attach the holder with it as
before.
(2) Disconnect the connector CN771 on the master clock
board from the main amplifier board in an upward direction.
3.1.7 Removing the gate drive-2 board
(See Fig.7)
• Remove the top cover.
From the top side of the main body, disconnect the connector
CN311 on the gate drive-2 board from the main amplifier board
in an upward direction.
3.1.8 Removing the S.S. setup board
(See Fig.7)
• Remove the top cover.
(1) From the top side of the main body, remove the tie band fix-
ing the wire.
Reference:
After reassembling, fix the wire with a new tie band as
before.
(2) Disconnect the wire from the connector CN725 on the S.S.
setup board.
(3) Disconnect the S.S. setup board from the main amplifier
board while releasing the claw e of the connector CN727
on the main amplifier board.
Note:
When releasing the claw e , take care not to break it.
Fig.7
Tuner
CN1
CN601
CN602
DSP board
Speaker relay board
d
Rear panel
E
Rear panel
E
CN601
DSP board
Vol IC
board c
CN771 CN311
CN725
Gate drive-2 board
S.S. setup board
Holder
Main amplifier board
Master clock board
Tie band
F
CN727
Speaker terminal board
S.S. setup
board
e