Question about a 57H81 and a 50H72

3340 Views 19 Replies 2 Participants Last post by lcaillo, Feb 10, 2009

Wildbill_NJ

Discussion Starter · Feb 9, 2009

After fixing my Magnavox my buddy picked up one of each of these sets and both have what appears to be the famous convergence problem. The question is that on both sets you can not get to the convergence screen, when you push the button from the main menu nothing happens. You can save it though so I know the button itself works. Is this part of the convergence chips gone bad?

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lcaillo

· #2 · Feb 9, 2009

I am not understanding what you mean by not being able to get to the convergence screen, but then saying you can save it.

These matters do not sound like output IC problems. Can you be more descriptive?

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lcaillo

· #4 · Feb 9, 2009

Does the button work on other functions? Do you use it in the save function?

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lcaillo

· #6 · Feb 9, 2009

Sounds strange that both sets do the same thing. Do you have manuals on them. Sounds like you may be missing something.

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lcaillo

· #8 · Feb 9, 2009

Believe it or not, I have to read the manuals sometimes.:nerd:

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lcaillo

· #10 · Feb 9, 2009

Can you run touch focus?

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lcaillo

· #12 · Feb 9, 2009

Do any other menu settings not work?

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lcaillo

· #14 · Feb 9, 2009

Have you tried to get into the service mode to adjust the convergence?

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lcaillo

· #16 · Feb 9, 2009

No, you can't. Forgot that you don't have the remote.

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lcaillo

· #18 · Feb 9, 2009

Get the service manual so that you have all of the info about how to navigate the SM. Some of it is not intuitive. Be very careful not to adjust anything that you do not understand.

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lcaillo

· #20 · Feb 10, 2009

Probably, or an open resistor, or both.

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