2630 : no display no light in lcd
 

sir
i have a 2630 . neither it has got display neither nor dispaly light is glowing . whenever battry is connected and switched on then keypad light glows and hissing sound comes ( sound comes till keypad light glows ) .

in comming and out going are ok .

i can understand its a tough ask to get a solution with seeing the board . still if some can guess or found such problem . pls share

regards
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i think ur set is water damage?
try to change LCD
clean lcd jeck on board

check the light in keyboard , it must light first !

bro
have u checked it with hwk or mxkey
do it respond there...

i agree
 

this is the good answer for now , waiting to more explain about your problem