Question about Toshiba 50HX81 50" Rear Projection Television

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My TOSHIBA 51HC85 SCREEN began to have verticle purple lines. It got progressively worse over a couple of weeks to the point that it is now not possible to watch anything on the TV. Is it salvageable ?

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Posted on Jan 02, 2017

techman
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SOURCE: Toshiba - 50H13 Projection TV

There is a large metal case behind the input board in the back of the set called the hyper board that needs to be replaced.Good Luck

Posted on Oct 08, 2007

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SOURCE: Hello..Toshiba 51HC85, 2005 model. Turn on TV and

I've had the same problem for about the last 6 months. My workaround which was to leave the tv on 24 7 and just turn off the TWC service box. But now the symptoms are vertical dark lines going all the way across screen. My guess is that it will cost more to fix than worth it. I paid @$2000 for it new in 2004. Technology has gotten better so I may just go out and get a Samsumg for considerably less and be way better off. None of Toshiba's products had done well for me. 2 laptops, 3 tvs, etc. have taught me this.

Posted on Nov 26, 2010

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1 Answer

White horizontal lines covering picture on Toshiba 51HC85


The set uses a Hyper board inside that processes all signals, it is well known for this issue, board no longer available=reason is quite simple : about a dozen tiny surface mounted filter caps on that board with age dry out, at first it will work after warms up as poor caps regain some capacitance and seem to be ok.

Buy a new set, you can send that board out and have it repaired/rebuilt but the last one I saw which was under extended warranty cost about 200 just for the board rebuild.

In the last 4 years Here on Fixya I have encountered only 2 people who were able with instructions had the skill to remove the board and replace those caps, both were top notch computer repair techs.

Dec 09, 2012 | Televison & Video

1 Answer

Hello..Toshiba 51HC85, 2005 model. Turn on TV and verticle wavy lines appear until TV is warmed up completely. After warm up the picture is great again. Any ideas?


I've had the same problem for about the last 6 months. My workaround which was to leave the tv on 24 7 and just turn off the TWC service box. But now the symptoms are vertical dark lines going all the way across screen. My guess is that it will cost more to fix than worth it. I paid @$2000 for it new in 2004. Technology has gotten better so I may just go out and get a Samsumg for considerably less and be way better off. None of Toshiba's products had done well for me. 2 laptops, 3 tvs, etc. have taught me this.

Sep 20, 2010 | Toshiba 51H83 51" Rear Projection...

1 Answer

Verticle lines on my screen


OK,this is a fatal problem, you need to replace your LCD screen. (Also maybe too the Inverter) I have just finished an exact same job for a client, earlier in the week. It cost $180.00 plus tax. I had to get a second hand screen, but it was in perfect condition. It is/was a straight forward, repair. But I advise you to ask for a "Quote" for the repair. You could even do it yourself, you need a small screwdriver, and the Service Manual. a MUST HAVE, (Otherwise you cannot even get into it) You could obtain, the LCD from, say eBay, or the like, or even direct from Toshiba, you would most likely be better to take it apart first, to obtain the EXACT type & number on back of LCD. Once all together it;s quite simple to unplug the cables and remount again on new one.
http://www.retrevo.comwww.retrevo.com/support/Toshiba-G45-AV680-Laptops-manual/id/13577bh934/t/2/

user manual, handy for troubleshooting etc.
http://repair4laptop.org/disassembly_toshiba.html
Above is a How-To-Disassemble-It tutorial.

Apr 15, 2010 | Toshiba Qosmio G45-AV680 Notebook PC

2 Answers

I've got some purple and yellow vertical lines laptop screen


Yes it is the LCD itself unfortunately... this is a common thing I have seen it many times, it is like a cancer and spreads all over eventually getting worse and worse.

Feb 20, 2010 | Toshiba Satellite A65-S1070 Notebook

1 Answer

Verticle lines on the screen


Failing Display Panel Circuit Board... THis Means You Will Need A Screen Replacement..

Nov 17, 2009 | Toshiba Satellite A105 Notebook

2 Answers

Verticle line down the middle of lcd monitor.


This is a common problem with LCD screens. It is pixel line damage and the screen is permanently damaged and is not repairable. It will probably get worse. The only answer is to replace it

Oct 01, 2008 | Toshiba Satellite P30 P35 Series Notebook

1 Answer

Faulty Sreen


It is my understanding that when this happens to your screen, its done, over, trash, use to be, gone, finished, time to go shoping for another, the end.
Understand?

May 24, 2008 | Sharp Wizard OZ-590A

1 Answer

Toshiba - 50H13 Projection TV


There is a large metal case behind the input board in the back of the set called the hyper board that needs to be replaced.Good Luck

Oct 07, 2007 | Toshiba 42H83 42" Rear Projection...

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