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JVC C-20210/S Service Manual page 6

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C-20210
AV-20220
AV-20221
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power supply cord.
[For C-20210]
2. Remove the 5 screws marked
shown in Fig.1.
[For AV-20220/AV-20221]
2. Remove the 5 screws marked
shown in Fig.1.
3. Withdraw the REAR COVER toward you.
[CAUTION]
" When reinstalling the rear cover, carefully push it inward after
inserting the MAIN PWB into the rear cover groove.
REMOVING THE MAIN PW BOARD
" After removing the rear cover.
1. Pick this side of the MAIN PWB and raise one slightly, take off
C
C
C
C
the PWB stopper marked
2. Pull out the MAIN PWB as it is.
(If necessary, take off the wire clamp and connectors, etc.)
REMOVING THE SPEAKER
" After removing the MAIN PW board.
1. Remove the 2 screws marked
[For C-20210]
SPEAKER (×1)
[For AV-20220/AV-20221]
SPEAKER (×2)
CHECKING THE MAIN PW BOARD
1. To check the back side of the MAIN PW Board.
1) Pull out the MAIN PWB. (Refer to REMOVING THE MAIN
PWB).
2) Erect the chassis vertically so that you can easily check the
back side of the MAIN PW Board.
[CAUTION]
" When erecting the MAIN PWB, be careful so that there will be no
contacting with other PW Board.
" Before turning on power, make sure that the CRT earth wire and
other connectors are properly connected.
WIRE CLAMPING AND CABLE TYING
1. Be sure clamp the wire.
2. Never remove the cable tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
6
A
A
B
B
A
A
B
B
and a screw marked
A
A
A
A
B
B
B
B
and 2 screws marked
from the cabinet bottom.
D
D
D
D
.
as
as
No. 51787

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This manual is also suitable for:

Av-20220/sAv-20221/s