JVC RX-F10S Service Manual page 13

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3.14 Removing the main amplifier board
(See Fig.18)
• 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.
3.15 Removing the heat sink
(See Figs.19 and 20)
• Remove the top cover, DSP board, secondary board, PWM
modulator board and main amplifier board.
(1) From the forward side of the main amplifier board, remove
the six screws U attaching the heat sink to the shield brack-
et. (See Fig.19.)
Reference:
When attaching the heat sink to the shield bracket, align
the projections i to the holes of the shield bracket before
attaching the screws U.
(2) From the reverse side of the main amplifier board, remove
the two screws V attaching the heat sink to the main ampli-
fier board. (See Fig.20.)
(3) Release the joints h in the direction of the arrow and re-
move the heat sink from the main amplifier board. (See
Fig.20.)
Chassis base
T
Main amplifier board
U
Main amplifier board
Main amplifier board
h
Published in Heiloo, Holland.
S S
CN519
Wires
Tie band
CN701
Wires
CN301
Speaker terminal board
Fig.18
Shield bracket
Heat sink
i
U
Fig.19
V
h
Fig.20
4/22/16
S
T
CN702
CN801
i
U
h
(No.MB206)1-13