Problem troubleshooting TV

haszMay 21, 2007

I have a Magnavox Tv model# MS3250 C321 with a chassis model# 32T800 7629. When you turn the tv on the picture will show up for anywhere from 5 seconds to a minute before it will shut itself down. However if I press the channel up or channel down button, the picture comes back up for a few seconds. When the picture is on I am not sure if it just needs some adjustment but it seems like there is way too much blue in the picture and the contrast is very dark. Any help in troubleshooting this would be greatly appreciated. I have experience working with electronics and circuit boards, just not on TVs. Thanks in advance.

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