Question about Toshiba 50H13 50" Rear Projection Television

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IC convergance Slinte: You seem to know your stuff. Us DIY'ers coulden't do it with out you. I had a 50 HD rear projection given to me, but has a red IC issue. I would love the link on how to replace it. TYhank you for your help. David mygirlsr1@yahoo.com

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David, Thanks for the compliment. Here is the link I am part owner of the site. We sell quality ICs and provide step by step instruction with pics, Plus we sign you up for a free email and instant messaging so you can actually do online instant messaging while you do the repairs. We started the site just to help people out so they could stop paying crazy amounts of money for simple repairs they can do themselves. heres the link to the site. If youre not sure which model STK you need just leave us an email and one of us will get back to you and let you know exactly which ones you need for your model.
http://servicemanuals.vstore.ca/

Posted on Apr 05, 2008

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I am unable to adjust the red color in the convergence adjustment on my IQC50H94W 2000 Zenith 50". From everything I read I believe I need to replace my Convergence IC Chips, however I am not 100%...


Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.

Jul 24, 2011 | Zenith IQC50H94W 50" Rear Projection...

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Philips 50P8341 50 in. Rear Projection Television


normally when something like this happens, we could right away propose what can be done, in your case, since youve already changed a lot of parts on that tv, you can at anytime fix it. the tv alone is not fixed yet as of the moment but to some it up, experts have already given you some ideas on how to fix the tv. cheers. hope youll fix that tv in no time.

Mar 12, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

The red will not line up when it is in the


You have a yoke and screen voltage issue with your red crt tube. If the red moves but not enough to do the convergence then you may be able to adjust the red crt. If the red doesn't move at all when you try to do the convergence then you most likely have bad convergence IC chips that need to be replaced. They aren't expensive, the last pair I did cost $36, but it involves taking the set apart and doing some tedious soldering. If you have no experience with this sort of repair you may want to go to a shop, They will charge $300-$400 to replace the IC chips. If you want to try this yourself post back and I can help point you in the right direction. 

Nov 29, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Green red bow top bottom picture not clear


you need to replace the convergence IC's not really a hard project for a DIY er just do not buy cheap STK IC's as they will not last
Larry D

Aug 14, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Hitachi 50" rear projection worked fine one day then just shut off


Replace this:
--(if led red is off).: IC .STRM6511.
---(if led red is on)....Replace all (3) : STK4274 convergence IC
---Sometimes vertical IC need replace too.
Thank you

Aug 10, 2009 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Tv won't come on


Mine is Toshiba 55 TZ, have it since 98', shutdown and red light blinking problem, search the ned and found out, generally a Convergence IC (stk392-110) problem. bought 2 for $15 at suburban-elect.com (ebay). replaced following direction from http://www.casiasfamily.com/repairlog/tp50h15.html

Open back cover, 9 screws and wirings (pls mark), removed(soldered) a electronic board infront of convergence ic. removed IC (stk392-110) (screwed and soldered).

Replaced everything and voila...! it is now working again..
no more shutsdown and red blinking light. Saves mo $400 for a repariman. of course just be careful with static and stuff.

Feb 29, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

5 year old tv


Mine is Toshiba 55 TZ, have it since 98', shutdown and red light blinking problem, search the net and found out, generally a Convergence IC (stk392-110) problem. bought 2 for $15 at suburban-elect.com (ebay). replaced following direction from http://www.casiasfamily.com/repairlog/tp50h15.html

Open back cover, 9 screws and wirings (pls mark), removed(soldered) a electronic board infront of convergence ic. removed IC (stk392-110) (screwed and soldered).

Replaced everything and voila...! it is now working again..
no more shutsdown and red blinking light. Saves mo $400 for a repariman. of course just be careful with static and stuff.

I don't know how to solder, so I ask friend to do it for me. But I did the rest. Just to give you an idea that it can be done even if you don't know much about electronics. This in no way a recommendation but just stating my experience. Follow at own risk.

Feb 16, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Philips 50P8341 50 in. Rear Projection Television


Sounds like the blue convergence IC s bad. They are relatively easy to replace if you can solder they cost around 10.00 each and you should change both the red and the blue.

Feb 09, 2008 | Philips 50P8341 50" Rear Projection...

2 Answers

Convergence circut


Usually there are 2 convergence IC's, labeled STK392-110. Each IC has 3 channes. Each color needs to be corrected 2 ways, vertically and horizontally, so 6 channels are needed. usually one IC does red, red and haf of green while the other IC does the other half of green, blue and blue. If the red colors are off, change the IC closest to the red jack. If the blue is off, change the IC closest to the blue jack. If the green is out, you have a 50/50 shot at replacing the correct IC. It is recommended to use the STK392-150 when replacing the IC's so it might not be a bad idea to go ahead and replace both with the newer numbers.

Apr 11, 2007 | Hitachi 46UX24B/25K 46" Rear Projection...

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