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I have an older projetion tv manufactured in 1999. Model #TZ50V61 chassis #TAC9950. The chassis had two stk392-110. I replaced them with stk392-120. The tv looked the same as before so I put two new stk392-110 as that's what was in there originaly. Needless to say the picture was the same as before. I can't move the red or blue when I put it on customer convergence. I don't have a service manuel. If anyone has any idea on what could be the isue please chim in. :dontknow: :scratch:



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Check to see if you have power to the ICs. Look for cracked solder connections. Look for open power supply fuses.
 
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