JVC AV-21E3 - SPECIFIC SERVICE INSTRUCTIONS; DISASSEMBLY PROCEDURE

No. 52028
A
V-21E3
6
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING T HE REAR COVER
1. Unp lug t he po wer plu g.
2. As sh own in f igure , remove t he 5 screws marked
!
!!
!
an d a
screw marked "
""
"and a screw m ar ked #
##
#.
3. Rem ove th e b ack bo ard an d re mo ve the p ower c ord f rom the
rear c over .
4. W ithdr a w t he r ear co ver to wa rd you .
REMOVING T HE MAIN PW BOARD
" After removing the rear cover.
1. Slight ly raise t he bo th side s of the MAIN PW Board b y h an d and
remove the PWB stop per of MAIN P W Bo ard .
2. W ithdr a w t he M AIN PW Boa rd b ackward.
(If necess ary, ta ke off the wire clamp, c onn ect ors etc. )
REMOVING T HE SPEAKER
" After removing the rear cover.
1. As sh own in figu re, remove th e 2 screws marked $
$$
$.
CHECKIN G THE MAIN PW BOARD
1. To ch eck the ba ck side of th e PW B oard.
1) Pu ll out the MA IN PW Bo ard. (Ref er to RE MO VING THE M AIN
PW B oard)
2) Erect th e PW Boar d ve rt ic ally so th at you ca n easily ch eck th e
b ack side of th e PW B oard.
[CAUTION]
" When e recting th e PW Board, be car ef ul s o t hat th er e will be n o
contacting with other PW Board.
" Before turning on power, make sure that the CRT earth wire and
oth er co nne cto r ar e p r ope rly c onn ect ed.
WIRE CLAMPIN G AND CABLE T YING
1. Be sure to clamp the wire.
2. Never r em o ve th e c able tie use d f or tying th e wires toge ther.
Sh ould it be inad vertently remove d, b e su re to tie th e wir es wit h a
new cable tie.