This happens for about 2 reasons, 1. bad gamma control on tcon, 2. wrong panel setting in main board, so first must access the service menu with a service RC, access it with IN-START, then make a full reset with IN-STOP.
got tv from orig owner who did not open or play with settings. don't think parameters were ever touched. try to open it up tommorrow. will post pics. several posts have baked main board in oven and it fixes it. how long ???
it's not cautional to bake it, the settings can be polluted by little spike from AC, that is much common and is more and more common with this season and the hating air conditioners working..
thanks Pee. You were correct as I heated main proc up to 350 F with some paste and it works perfectly now (removed heat sink first). been running for hours now.
thanks Pee. You were correct as I heated main proc up to 350 F with some paste and it works perfectly now (removed heat sink first). been running for hours now.
Let it cool down and test it again. I have my doubts 350F has done much.
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