JVC RX-DV3SL Service Manual page 10

RX-DV3SL
Removing the tuner board
Prior to performing the following procedures, remove
the top cover, rear panel, DSP board and S-video
board.
1. Disconnect the card wire from the connector CN301
on the main board.
2. Remove the two screws marked O attaching the
tuner board on the rear of the side body.
Removing the main board
Prior to performing the following procedures, remove
the top cover, rear panel, DSP board, S-video board,
amplifier board, DVD / CD unit and tuner board.
1. Disconnect the card wire from the connectors CN114
CN125 on the main board.
2. Disconnect the wire from the connectors CN121,
CN122 and CN291 on the main board.
3. Remove the five screws marked P attaching the
main board on the body.
Removing each board connected to the
rear side of the front panel
Prior to performing the following procedures, remove
the top cover and front panel assembly.
1.
Remove the two screws marked Q attaching the
power switch board.
2. Remove the seven screws marked R attaching the
system control board.
3. Remove the two screws marked S attaching the
indicator board.
4. Remove the four screws marked T attaching the
select board.
5. Remove the three screws marked U attaching the
control board.
1-10
(See Fig.21)
(See Fig.22)
CN291
CN121
CN125
CN122
(See Fig.23)
System control board
Fig.21
CN301
Main board
Fig.22
Front panel
R
Control board
U
Fig.23
Main
board
Tuner
board
O
CN114
P
Power switch
board
S
Q
Indicator
T
board
Select
board