JVC AV-36D203/M, Руководство по обслуживанию

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No. 51948
AV-36D503
AV-36D303
AV-36D203
8
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
"
Unplug the power plug.
1. As s hown in Fig.2, remove the
12
screws marked
! ! ! !
.
2. Remove the rear c over toward you.
Note :
When reinstalling the rear cover, c arefully pus h it inward after
inserting the chassis into the rear c over groove.
REMOVING THE CHASSIS BASE
"
After removing the rear cover.
1. Slightly raise the both s ides of the chassis base by hand, and
remove the
2
claws marked
"
" "
"
(Fig.1 and Fig.2) under the both
sides of the chassis from the chassis rail.
2. As shown in Fig.1, draw the chassis base backward along the
chassis rail marked
# # # #
in the arrow direction marked
$ $ $ $
(Fig.2.).
(If necess ary, detac h the wire clamp, connec tor’s etc.)
Note :
When conducting a c hec k with power supplied, be sure to confirm
that the CRT earth wire is c onnected to the CRT SOCKET PWB
and the MAIN PWB.
REMOVING THE TERMINAL BOARD
" After removing the rear cover.
1. As s hown in Fig.2, remove the
4
screws marked
%& %& %& %&
.
2. When you pull out the TERMINAL BOARD, it can be removed.
REMOVING THE FRONT CONTROL PW BOARD
"
After removing the rear cover and chassis base .
1. As s hown in Fig.2, remove the
2
screws marked
'
' '
'
attached the
FRONT CONTROL PWB with the front cabinet.
2. Then remove the FRONT CONTROL PWB.
REMOVING THE FRONT AV IN PW BOARD
" After removing the rear cover and chassis base.
1. As s hown in Fig.2, remove the
2
screws marked
( ( ( (
.
2. Then remove the FRONT AV IN PW B.
REMOVING THE SPEAKER
" After removing the rear cover and chassis base.
1. As s hown in Fig.2, r emove the
4
screws marked
) ) ) )
.
2. Follow the s ame steps when removing the other hand speaker.
CHECKING THE MAIN PW BOARD
1. To check the backs ide of the MAIN PW Board.
(1) Pull out the c hassis base. (Refer to REMOVING THE
CHASSIS BASE).
(2) Erect the chassis vertic ally so that you can easily chec k from
the backside of the MAIN PWB.
CAUTION
" When erecting the chass is, be c areful so that there will be no
contacting with other PWB.
" 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 to clamp the wire.
2. Never remove the c able tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with
a new c able tie.
CHASSIS BASE
Fig. 1
C
B
FRONT CABINET
MAIN PWB