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huge problem with a insignia tv

tunena1023

Feb 22, 2013
1
Joined
Feb 22, 2013
Messages
1
hello


i have an insignia tv Model: 42p650a11


about 2 months ago the screen went blank while i was watching it..i unplugged it and plug it back again but didnt turn on..i decide to put it on a storage ntil a week ago..i have decided to fix it by my self.. as im a computer tech i though it should not be that hard.



i have checked the buffer board and the was problem with it...so i ordered the piece and install the new one...but nothing i checked again and there was a problem with the lcd controller so i ordered the piece and put the new one but still nothing


i already have 4 borads changed ntil now..


buffer board

power supply

lcd controller

and y main board

still nothing

idk what else to do....i already have spended about a hundred dollars on it dont wanna spend anymore


any idea what could i do?
 

Harald Kapp

Moderator
Moderator
Nov 17, 2011
13,700
Joined
Nov 17, 2011
Messages
13,700
Have you checked all the supply voltages?
All connections o.k.
 
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