Question about Toshiba 57H82 57" Rear Projection Television

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How to deassemble the TV set

I opened the back of TV,  but could not find the parts the tech suggested me to replace.  How do I access inside of the TV body to find STK392-110?





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Re: How to deassemble the TV set

Look for largest heatsinks on chassis.Easiest and best procedure is to pull the chassis,replace IC's,solder any /all bad

connects,esp. the solid metal jumpers that deliver B+ to IC's.

Re-assemble,test.Reset convergence.

Posted on Oct 15, 2007

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My tv is an older model 60inch screen. I believe it is a hdtv lost the owners manual on one site it said the model number is on the remote. The number on the back of tv is worn away. How do I find the...

All Sony sets have a duplicate label or labels inside the set; this would require unplugging the set and removing the back.

Older projection sets have for the most part model numbers beginning with KP (like KP 57ws500) and the newer ones have KDF etc.

If the white label on the back cannot be read you will have to open set and look for duplicate labels inside----much like cars where the vin number is in several places.


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use care!
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Older 36 inch rca crt tv

Without disassembling the set (removal of the back), there is no way to determine what might have been damaged and further operation without finding and correcting the problem may could cause further damage and may be unsafe. In many CRT sets, the main board is not very secure and is normally held by slots either side of it. It may have been jarred out of the slots and shorted something on the trace or component side. If would be safe (unplugged of course) to remove the rear housing with the 4-6 screws holding it and at least visually examine it inside; the problem may be easy to spot and correct.
However, any kind of sharp shock to the CRT (picture tube) may have misaligned it inside, making the picture geometry and color alignment impossible.
If your set is not compatible with the coming HDTV standard, you might want to consider replacing your set. I suggest though, that you take a look at this article describing the pros & cons of CRT TVs:
CRTs or not?
As a service tech, I would also suggest you poke around here (Fixya) to see how others are faring with their various kinds of flat-panel and big screen sets; way too many are dying like flies.

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