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Old 03-17-2016, 10:00 PM   #41
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I have opened up a Mitsubishi TV to replace bad caps twice. It's acting up again. Darn!

On the Web, a RV repairman said he had to replace ALL electrolytic caps to keep problem for recurring, not just the main ones at the power supply sections (each board has its own section).

That's a heck of a lot of work, and I have been too busy to look at it the 3rd time. With TVs getting so cheap, I am tempted to trash it. I hate to throw anything away, knowing that it could be repaired with a bit of money (but a lot of time!). I have not attempted another repair nor buy another one, because we watch TV seldomly and usually use a smaller set in the bedroom.
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Old 03-17-2016, 11:27 PM   #42
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Fantastic, how wonderful you were lucky it was that board that was bad.
I'm sure you narrowed it down and I can really appreciate that effort and determination and I'm not diminishing that at all, just recognizing it could have gone a different direction.
Glad it worked out for you this time.

I really want to know if you get the 80" going
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Old 03-18-2016, 12:41 PM   #43
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Fantastic, how wonderful you were lucky it was that board that was bad.
I'm sure you narrowed it down and I can really appreciate that effort and determination and I'm not diminishing that at all, just recognizing it could have gone a different direction.
Glad it worked out for you this time.

I really want to know if you get the 80" going
Thanks. I did it as a bit of a lark and to learn something about flat screens. Cheap entertainment for less than $20. I was actually quite amazed when the TV started working. Yah, the other boards might eventually fail, too, but it's been fun.

BTW, that was a bit of a typo on the second TV that I salvaged from the trash. It's an 80-lb. 60" LG plasma. I'll post an update when I get to working on it.

omni
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Old 03-18-2016, 01:26 PM   #44
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Another Potential Resource Website

Omni550,

I did not see where anyone had posted this website which might be useful in your search for TV repairs/troubleshooting: AVS Forum | Home Theater Discussions And Reviews. I've used it myself for some very easy troubleshooting issues.

If you scroll down a bit, you will see the forums for the various types of TVs. If you know the make and model number, you will probably find a number of "problem" posts for that TV and usually a number of contributors answering the original poster's question. A lot of people post that their TV doesn't work/turn on/has lines through it and so forth. There are a number of individuals who either repair TVs or troubleshoot problems that post on this forum. These individuals can also decipher what a blinking light sequence means in terms of the actual problem. Sometimes the problems are posted in a general thread about a particular TV model and those threads can exceed 15,000 posts if it is a popular brand/model. Fortunately the search function is pretty good.

Hope this helps in your quest to recycle/rehabilitate TVs!
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Old 03-18-2016, 03:14 PM   #45
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Omni550,

I did not see where anyone had posted this website which might be useful in your search for TV repairs/troubleshooting: AVS Forum | Home Theater Discussions And Reviews. I've used it myself for some very easy troubleshooting issues.

If you scroll down a bit, you will see the forums for the various types of TVs. If you know the make and model number, you will probably find a number of "problem" posts for that TV and usually a number of contributors answering the original poster's question. A lot of people post that their TV doesn't work/turn on/has lines through it and so forth. There are a number of individuals who either repair TVs or troubleshoot problems that post on this forum. These individuals can also decipher what a blinking light sequence means in terms of the actual problem. Sometimes the problems are posted in a general thread about a particular TV model and those threads can exceed 15,000 posts if it is a popular brand/model. Fortunately the search function is pretty good.

Hope this helps in your quest to recycle/rehabilitate TVs!
Thanks, jdmorton! I will definitely research it for the 60" LG Plasma.

omni
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Old 03-19-2016, 09:48 PM   #46
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Kudos to you Omni!

Now you have a Trophy TV to commemorate your success.

For those that have trouble with bad caps - an ESR meter (which can often be built from a kit) is a useful tool to identify bad electrolytic caps in-circuit. You would only need to change the ones that are clearly bad initially.

-gauss
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