Specific Service Instructions; Disassembly Procedure - JVC AV-27F713 Service Manual

AV-27F703
AV-27F713
AV-27F803

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY PROCEDURE

REMOVING THE REAR COVER
1. Disc onnect the power plug from wall outlet.
2. As s hown in the Fig.1, remove the
3. Withdraw the rear c over backward.
REMOVING THE TERMINAL BOARD
" After removing the rear c over.
1. As s hown in Fig.1, remove the screws marked
2. Withdraw the terminal board toward you.
REMOVING THE CHASSIS
" After removing the rear c over / terminal board.
1. Slightly raise the both sides of chassis by hand and remove the
2
claws under the both side of the chassis from the front cabinet.
2. Withdraw the chass is backward.
(If necess ary, remove the wire clamp, c onnectors etc.)
REMOVING THE SPEAKER
" After removing the rear cover.
1. As shown in Fig. 1, removing the
remove the speaker.
2. Follow the s ame steps when removing the other hand speak er.
4
NOTE : When removing the
remove the lower side screw first, and then remove the
upper one.
REMOVING THE LED & POWER SW PWB
" After removing the rear c over & terminal board.
2
1. Remove the screws marked
2. Withdraw the LED & POWER SW PWB toward you.
* If nec essary, remove the wire c lamp, connector etc.
REMOVING THE FRONT CONTROL PWB
" After removing the rear c over & terminal board.
2
1. Remove the screws marked
2. Withdraw the FRONT CONTROL PWB toward you.
* If nec essary, remove the wire c lamp, connector etc.
8
! !
12 ! !
screws marked .
" " " "
.
# ,
# # #
4
screws marked
# #
# #
screws mark ed of the speaker,
$ $
$ $
as s hown in Fig.1.
% %
% %
as s hown in Fig.1.
CHECKING THE CHASSIS
To check the PW Board from back side.
1. Pull out the chassis (refer to REMOVING THE CHASSIS).
2. Erect the chas sis vertically so that you c an easily check the back
side of the PW Board.
[CAUTION]
" When erecting the chassis, be careful so that there will be no
contacting with other PW Board.
" Before turning on power, make s ure that the wire connec tor is
properly connec ted.
" When conducting a check with power supplied, be sure to
confirm that the CRT EARTH WIRE (BRAIDED ASS'Y) is
connected to the CRT SOCKET PW boar d.
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 cable tie.
then
No.52005