Magnavox 42mf337b/37 - Home Theater Forum and Systems - HomeTheaterShack.com

 
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post #1 of 4 Old 12-19-13, 07:40 PM Thread Starter
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Magnavox 42mf337b/37

I have the 42 in lcd tv mag 42mf337b that has no picture. The backlight is on and I have sound, but no picture or displays. I have replaced the t-con board to no avail. I am a novice with this type of thing, but I do build computers, this tv confuses me. Are there any ideas? Thanks guys.
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post #2 of 4 Old 12-28-13, 08:45 AM
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Re: Magnavox 42mf337b/37

Sorry I missed your post until now.

What led you to replace the T-Con? Have you done any testing or troubleshooting?




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post #3 of 4 Old 12-28-13, 11:49 AM Thread Starter
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Re: Magnavox 42mf337b/37

Thanks for asking. When it happened, I asked around town here and looked on the net, and everything pointed to the t-con board. (no pic but has sound and can change channels.) I don't know anything about testing the tcon, or anything else. If you have any ideas, they will be greatly appreciated.
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post #4 of 4 Old 12-28-13, 04:40 PM
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Re: Magnavox 42mf337b/37

One would look at the signal coming from the main board to the t-con with a scope and if it is there it would be a pretty good indicator of a bad t-con. If it is not probably the main board. Sometimes a good tech can repair at the component level as opposed to a board.




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