Question about Sony FD Trinitron WEGA KV-36HS510 36" TV

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What is a video IC and how do i replace it? - Sony FD Trinitron WEGA KV-36HS510 36" TV

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A video IC (integrated circuit) is one of the many parts in your TV. As the name implies, it's one of the parts that does video processing. Any IC is physically a plastic package with metal leads that connect to the circuit board. Replacement involves removing the solder from those connections and taking the old part out, then soldering the new one in. Depending on the package style and location in the set, this can range from very easy to darn near impossible without specialized equipment.

I gather from the way you've asked your question, though, that you should probably not be trying to repair a TV yourself. Without some training in electronics, troubleshooting techniques, the proper tools and some experience, TV servicing can be hazardous to you as well as possibly causing more damage to the set. I would advise you to leave the repairs to a professional servicer. If you want to keep the TV it would be money well spent.

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Posted on Feb 02, 2010

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Sharp crt tv no video but have display


Check and replace the video processor IC. As raster [screen] is there, all other stages, except, video processor section in the IC is working properly. There is no repair; other than replace the IC. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts.

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Check and replace the video-IF IC. In most cases, this stage circuit will be a combination of its chroma IC. If so, that IC should be replaced.

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Hi
Its input-output selector switching IC is faulty. this IC, an electronic switching device, that switches the internal and external audio vidw in-out and is controlled be main system control IC. When we select the function to internal or external, the signals goes through this IC according to the control pulsed generated by the main system control IC, with our command. In your set, the video section of this switching IC is OK, but audio switching section has damaged. It wont switches the video to out, but alright in case of internal video switching. So you can see picture either with AV of by air transmissions, but there will be no audio with AV.
Replace the IC is the only remedy to rectify this problem. It is really a skilled work, and you must have through knoledge in digital electroncis to do this work. It is besf for you to get it repaired by any experienced service technician. The IC won't cost more; and can be bought from most of the electonic sparepart shops at your town. OK.

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There is trouble in the video swithing Ic inside your Tv. Either it may got damaged or video swiching voltage may not come to it from system ic. If the video swiching Ic is damaged, it is easy to replace and get the set repaired. If the System Control Ic is damaged it will cost more and may need retune it after replacement and giving its remote service code for further adjustments. You just call a technician and consult him about the matter.

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1 Answer

What is wrong with my television when I have no picture but have sound?


The Video IC may have gone. In electronics nothing can be guaranteed. A component may last for 20 years or it may not last for 20 minutes. So, it could most likely be the video IC that is not functioning. Please replace it with exactly the same specs IC.

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I have a 50 inch lcd tv,the sound works but no picture. What could be the problem?


your problem is in the video section check your video ic 201 the number 1 pin should be getting 5 volts dc input if the voltage is absent then checkQ 210 it could be bad replace it.if the 5 volts is present check the ic output for 125 volts dc if absent replace ic.good luck.

Feb 27, 2010 | Televison & Video

1 Answer

What is the best IC replacement for original IC part# STK393-110?


Sayo makes the best IC's, don't just settle for the cheap ones. I have see this ic for as low as $5.00 on the internet.

I would also advise that the convergence IC’s be OEM or better, just because they are cheap does not mean that they are a good deal. I have seen the cheap IC’s fail after a short time, even though they look exactly like the OEM IC’s. I think that the bottom line is that you will get what you pay for when it comes to the parts.

You can try http://www.tvrepairkits.com/ they do carry OEM or better parts.

I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.
asnowman

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1 Answer

NO PICTURE BUT HAS SOUND


Hiii.....

Ekisa...I see the TB1226xx likes chip/ic for Video Chroma and syc signal processor NTSC/PAL?SECAM color TV ( by Toshiba )....I can give you the Datasheet by e-mail...

Thank's

[Vrya]

e-mail : be_cek@yahoo.com

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1 Answer

Low contrast, adjusting contrast control has no affect. the bar does move back and forth. replaced caps around video procesor ic, also replaced an5165k ic.appreciate any suggestions thanks clinton.


You'll probably need a service manual for this one. You will have to check to see if the microprocessor is changing the voltage levels to the video IC as the problem could be with the CPU as long as the screen voltages are not out of whack at the CRT's or that they are bad.

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