V-20NMG3B
8
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING T HE REAR COVER
1. Unp lug t he po we r plu g.
2. As shown in f igure , r em ove t he 6 screws marked
!
!!
!
an d a
screw marked "
""
".
3. 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 sid es of t he MAIN PW BOARD b y ha nd .
2. W ithdr a w t he M AIN PW B OARD b ackwar d.
(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
#
##
#
.
2. Follow the s am e st eps when removing th e oth er ha nd speak er .
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
con tact ing with ot her 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 rem 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.