JVC RX-F10S Service Manual page 13

3.14 Removing the PWM modulator board
(See Fig.18.)
• Remove the top cover, DSP board and secondary board.
(1) From the top side of the main body, remove the tie band
and wire clamps bundling the wires.
Reference:
After reassembling, bundle the wires with the new tie
band and wire clamps as before. (See Fig.9.)
(2) Disconnect the wire from the connector
board.
(3) Release the locks g of the connectors (CN705, CN706) on
the main amplifier board in the direction of the arrow and
disconnect the PWM modulator board from the main ampli-
fier board with the wire in an upward direction.
Note:
When releasing the locks g of the connectors (CN705, CN706)
on the main amplifier board, take care not to break the locks.
3.15 Removing the main amplifier board
(See Fig.19)
• Remove the top cover, DSP board, secondary board and PWM
modulator board.
(1) From the top side of the main body, remove the tie band
bundling the wires.
Reference:
After reassembling, bundle the wires with the new tie
band as before.
(2) Disconnect the wires from the connectors (CN519, CN702)
on the main amplifier board.
(3) Disconnect the wires from the connectors (CN301, CN701,
CN801) on the speaker terminal board.
(4) Remove the three screws S and two screws T attaching the
main amplifier board on the chassis base.
(5) Take out the main amplifier board from the main body.
Wire clamp
CN506 on the input
Chassis base
T
Main amplifier board
CN706
Main amplifier board
PWM modulator board
Wires
Input board
CN506
Tie band
Fig.18
S
CN519
Tie band
CN701
Wires
Speaker terminal board
Fig.19
CN705
g g
PWM modulator board
S S
Wires
T
CN702
CN801
CN301
(No.MB264)1-13