Question about Toshiba TP50H50 50" Rear Projection Television

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Part numbers Hi I emailed you earlier about have sound probems with my TV. I appreciate you getting back to me. Do you know the part numbers for or what it is exactly called for B+ supply voltage, audio processor or audio output IC? thanks!

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Re: Part numbers

Your gonna need to get a schematic as I dont have one. To properly troubleshoot this set . Also its not a job for an end user unless they have solid state repair experience. As it States in the owners manual "There are no user serviceable parts inside this set". Thats because there all soldered in. Then we have to look at the serious danger of the HI voltage we find inside these sets even after they are unplugged. now ,if you know about all the safty issues and you get a service manual, you find the parts that are bad, you can go to and they carry every single part for this set. if you need a main board assy, its cost is about 549.00 and the power supply board is about 170.00.. This is the boards need to be checked, as the replacement of complete boards exceed the cost of the set. Good Luck.

Posted on Jul 03, 2006

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Before i get this set after 2 or 3 hours shutdown now i changed the DM board has no video 7 sound then i put the old board back now it shutdown in a second i can't check any voltages but i changed the...

Hello Ronald
Will you please come over me by my Email address. I'll give it you here. I want to get some more details about your doing, and other things that I want to know, before posting a solution to your TVs' problem. Without knowing details, posting a solution will be for nothing. By Email, I can send you the details, and you can send and ask doubts to me. Isn't it best?
Come over me by
Give me a brief description about the fault occured first to your tV, repair work you have done to it.
Give ma a brief description by Email. If it is with Email, I can send documents, pictures etec to you that will help you too. OK.

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If Power and Lamp lights blinking 'alternately' it shows problem of temperature arise abnormal and reason could be blocked fan or air flow in tv is insufficient to keep it cool.
If Power and Lamp lights blinking simultaneously then it shows problem with lamp installation, need to inspect lamp cover is fixed in its position securely.
Let me know both lights are blinking at same time on your tv?

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1 Answer

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If this Tv is a model year 1996 or 1998, It is quite possible your vertical IC needs resoldered. It is located on the small signal board. This board [quite large anyway] is the board on the left. I don't know the location off hand. The IC has seven pins and located on a heatsink, It is a TDA series. Resolder any and all grounds you see. May as well get the Large Signal board [On the right] resoldered. The other problem would be the P I P board, a small board standing up, that can be removed and replaced. But try the earlier first. This is tedious, but will produce results.

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LCD TV Problem

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1 Answer

Hi I have a Sony Model KP51WS520 that will will not turn on. There is a blinking red light (five times, fast) on the front panel. A repair shop said it was the circuit board, and quoted me $670, which is...

Go to the following link and leave them a email by clicking on the contact us button. Let them know your model number and how many blikks, they are Sony experts and will help you out 670.00 is crazy as it sounds like the A board and you could get 3 new boards for that type of money. Heres the link they will help you out.

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Could use more help

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1 Answer

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