JVC TH-M508 Service Manual page 13

3.2 Front panel assembly section
• Prior to performing the following procedures, remove the front panel assembly from the main body. (See "Removing the front panel
assembly")
3.2.1 Removing the phone jack board
(See Fig.1)
(1) From the inside of the front panel assembly, remove the
screw A and screw A' attaching the phone jack board.
Reference:
• When attaching the phone jack board, align the projec-
tions a of the front panel assembly to the holes of the
phone jack board.
• When attaching the screw A', attach the earth wire
with it.
(2) Take out the phone jack board from the front panel assem-
bly.
3.2.2 Removing the connect board
(See Fig.1)
(1) From the inside of the front panel assembly, disconnect the
card wire from the connector (CN561) on the connect
board.
(2) Remove the two screws B attaching the connect board.
Reference:
When attaching the connect board, align the projections
b of the front panel assembly to the holes of the connect
board.
(3) Take out the connect board from the front panel assembly.
3.2.3 Removing the operation board
(See Fig.1)
(1) From the inside of the front panel assembly, remove the
three screws C attaching the operation board.
Reference:
When attaching the operation board, align the projec-
tions c of the front panel assembly to the holes of the op-
eration board.
(2) Take out the operation board with the button(top).
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Operation board
Earth wire
C C
c
A' A
Projection a Projection a
Phone jack board
Connect board
Fig.1
Front panel assembly
Button (TOP)
B
Projection b Projection b
CN561
(No.MB294)1-13