Question about Toshiba 55H70 55" Rear Projection Television
Can not adjust blue conv. in the verticle direction
You will need to change both convergence ics they are STK392-110. You can get replacement ICs at the following link with free instalation instructions with pictures.
Posted on Jul 25, 2008
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Posted on Jan 02, 2017
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Red,blue and green each have an amplifier IC--Stk392-560 x 2
Replace both IC's for reliable repair.Also,check fuses,location sometimes ps5003-5008. fuse value 3.15 amp. ......T.
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