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Discussion Starter · #1 ·
I have LN40A630 and some times it seems like 120hz isnt working. I have it set to meduim on the menu. The picture appears soomth then judders like if it was normal 60hz then plays smooth again.....or is it just normal? Happens too when im watching blu ray movies.

So how would i know if 120hz processor is broken?...(was told 120hz is done by a processor in the LCD)

thank you.
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