JVC SP-PWM55, Service Manual

Page: 11 / 105

(No.MB075)1-11
3.1.5 Removing the audio & digital input board
(See Figs.9 and 10)
• Remove the metal cover.
(1) From the top side of the main body, disconnect the card
wire from the connector CN401 on the audio & digital input
board. (See Fig.9.)
(2) Remove the screw J attaching the audio & digital input
board. (See Fig.9.)
(3) From the back side of the main body, remove the screw K
and two screws L attaching the audio & digital input board
to the rear panel. (See Fig.10.)
(4) Take out the audio & digital input board from the main
body.
3.1.6 Removing the tuner
(See Figs.9 and 10)
• Remove the metal cover.
(1) From the top side of the main body, disconnect the card
wire from the connector CN1 on the tuner. (See Fig.9.)
(2) From the back side of the main body, remove the two
screws M attaching the tuner to the rear panel. (See
Fig.10.)
(3) Take out the tuner from the main body.
3.1.7 Removing the power supply board
(See Figs.9 and 10)
• Remove the metal cover.
(1) From the top side of the main body, disconnect the parallel
wires from the connectors ( CN416 , CN402 to CN404 ) on
the main board. (See Fig.9.)
(2) Remove the three screws N attaching the power supply
board. (See Fig.9.)
(3) From the back side of the main body, remove the screw P
attaching the power supply board to the rear panel. (See
Fig.10.)
(4) Take out the power supply board from the main body.
Reference:
Remove the rear panel as required. (See Fig.8.)
Fig.9
Fig.10
CN401
CN402
CN1 CN403
CN404
Tuner
Audio & Digital input board
Main board
N
J
Power supply board
Parallel wires
CN416
Card
wires
N
K L M P
Rear panel