JVC TH-M45 Service Manual page 12

3.1.8 Removing the main board
(See Figs.11 to 13)
• Remove the metal cover.
(1) From the top side of the main body, disconnect the card
wires from the connectors (CN405, CN407,
CN412, CN415) on the main board (See Fig.11.)
(2) Disconnect the parallel wires from the connectors
CN404, CN408, CN409) on the main board. (See Fig.11.)
(3) Remove the screw Q attaching the audio & digital input
board. (See Fig.11.)
(4) From the back side of the main body, remove the five
screws R and three screws S attaching the rear panel. (See
Fig.12.)
(5) Take out the rear panel together the audio & digital input
board and tuner.
(6) From the top side of the main body, remove the screw T
and two screws U attaching the main board to the chassis
base. (See Fig.13.)
Note:
When attaching the screw T, attach the earth wire of the front
panel assembly at the same time.
1-12 (No.MB033)
CN407
CN410 to
(CN401 to
CN412
Q
CN401
CN402
Audio & Digital input board
S
T
U
Bottom chassis
Main board
CN409
CN411
CN405
CN403
CN410
Tuner
CN404
Fig.11
S
Fig.12
Front panel assembly
Earth wire
Main board
Fig.13
CN408
CN415
R
S
Rear panel
U