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Old 12-10-2009, 01:32 PM
TinCanAlley's Avatar
TinCanAlley TinCanAlley is offline
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Join Date: Sep 2008
Location: So Cal, CA
Posts: 937
Zenith CC II 19JC55Z tint and other issues

Howdy!

Okay, this issue is starting to drive me nuts. I'm hoping its just a simple connection issue and someone can point me to the board(s) in question.

When watching the set, the tint will jump back and forth between more green to more red (it's subtle, but noticable). Then it will jump from a normal picture to one with a very dark magenta tint and back to normal. This happens cold or warm and not consistantly. Sometimes I can watch it for hours and it never turns magenta or notice the tint changing.

The other issues is with either the brightness or contrast. I'll be watching and all of a sudden the picture goes to a negative looking image of just blues and reds and very dark. There are no whites or bright colors. If there is white text on the screen, you can't see it. I have to tap on the set to get it back. Knowing this I'm certain it's a connection issue, but I don't know where to start looking.

This set has boards that appear to be mounted in such a way that all you have to do is pull them to remove them, but I'm not 100% sure.

So, any ideas where to start looking? I have the color sentry turned off, but even when on, the problems still happen. I've cleaned all the knobs with Deoxit and lubed them with Faderlube, but this had no affect. This leads me to believe it's one or more of the boards. Should I remove the boards and use Deoxit to clean all the contacts? If so, which boards should I do (if not all of them)?

Thanks in advance for any and all help.
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