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JVC TH-A5R Service Manual page 9

Dvd digital cinema system
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Removing the DVD power board
Prior to performing the following procedure, remove
the top cover, front panel assembly and DSP board.
1.
Disconnect the harness and card wire from the
connector PW1, PW2 and PW5 on the DVD power
board.
2.
Remove the one screw L1 (short) and two screws L2
(long) attaching the DVD power board.
Removing the power transformer
Prior to performing the following procedure, remove
the top cover.
1.
Cut off the tie band fixing the harness, if needed.
2.
Disconnect the harness from the connector CW2 on
the main board (see fig.9) and PW1, PW2 on the
DVD power board.
3.
Remove the four screws M attaching the power
transformer.
<Front panel assembly section>
Removing the display board & switch
board
Prior to performing the following procedure, remove
the top cover and the front panel assembly.
1.
Disconnect the card wire from the connector FW1 on
the display board.
2.
Remove the five screws A attaching the display
board on the inner of the front panel assembly.
3.
Remove the four screws B attaching the switch
board on the inner of the front panel assembly.
4.
Disconnect the harness from connector FW2 on the
display board, if needed.
Removing the front window
Prior to performing the following procedure, remove
the top cover, front panel assembly, display board
and switch board.
1.
Remove the switch buttons, if needed.
2.
Remove the three screws C attaching the front
window on the front panel.
3.
Remove the eight claws fixing the front window on
the front panel.
(See Fig.12)
power
(See Fig.12)
(See Fig.1 and 2)
(See Fig.2 and 3)
Tie band
L1
PW5
PW2
DVD
board
PW1
L2
Display board
Switch board
FW1
A
Switch button
C
Front panel assembly (front side)
Front window
Fig.3
Power
transformer
M
Fig.12
Front panel assembly
(inner side)
FW2
B
Fig.1
C
C
Claw
Fig.2
TH-A5R
1-9

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