Re: e701i-a3 no picture but backlights

Back again.
I am the one who had a E701i-A3 that, after replacing transistor on TCON board and peeling back left side ribbon, I still had a horizontal line about 20% of the screen(top) was messed up a couple weeks ago (post 748 and 753 of this thread) Rest of picture was fine.

Anyway, I was cleaning up my shop yesterday and the side boards that I peeled off were on the floor under my bench. I was picking them up to toss and noticed the ribbons that I peeled off did not come completely off. They tore off. Not sure why I didn't...

Re: e701i-a3 no picture but backlights

I disassembled the right side to do some inspection. I can't really tell if the upper most tab drive ( not sure exactly what it is called) is burnt out or not. Attached picture. The height of screen is 35 inches. The screwed up area is 7 inches. There are 5 tab drives. The math tells me something is wrong with uppermost tab like you suspect. I also took the ribbon connecting 2 side boards out and replaced with other side's ribbon. Made no difference. Still haven't checked any other FETs because I need to flip tv over but I think it is pointless....

Re: e701i-a3 no picture but backlights

I am by myself right now and tv is in my shop. Couldn't get all in one shot so I hope you can see the problem. It is all the way across the top of the screen....

Re: e701i-a3 no picture but backlights

Removed left side tab boards and picture is good but horizontal bar at top remains. Re-seated lvds cables but didn't help. Was a nice learning experience. Thank you.

Re: e701i-a3 no picture but backlights

Hello all.

First off, I want to thank all who have helped others get their tvs up and running or at least taught some of us much about these 70" tvs. I have read all 38 pages and was very informative.

I had a 70" Vizio (E701I-A3) given to me because, you guessed it, sound but no picture. After some diagnosis with help from this forum, I found out the transistor (COXA) needed to be replaced on TCON board. Ordered 10 RTR020N05TL for $10.60 with free shipping. I proceeded to replace transistor ( 1st one...