Question about Toshiba 57H81 57" Rear Projection Television

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Color bowing ona toshiba 50fx30b

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Replace both STKs if they are 392-110s upgrade to 180s also ck these low ohm resistors r7711 R7716 and R 7720 1.8 ohms

Posted on Dec 09, 2008

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My Toshiba projection screen TV the picture is bowed and the colors don't line up


3d colors not lining up poblem dicates "convergence issues.. bowing piture may indicate complete faliure of convergence alignment cuircits... depending on model the most likely cause will be 2 micochips (ic's called stk<s)

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My Hitachi 50fx30b bows on top and bottom how much will this cost to fix?


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Needs the 2 convergence amplifiers replaced and then convergence alignment carried out(Could be pricy)

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1 Answer

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Rplaqce Both of your STKs convergence ICs and 7 low ohm resistors If STKs are STK392-110s upgrade to 180s.

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1 Answer

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1 Answer

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STKs you have 2 of them big black ICs STK392-110s use 180s to get parts call electronix parts 1-800-223-3205,if you need anymore help let me know.

Dec 12, 2008 | Hitachi 50FX30B 50" Rear Projection...

1 Answer

Color bowing at top and bottom of screen


STKs 392-110s replace both of them if 110s use 180s,they are the betteer ics.

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1 Answer

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STKs you have 2 of them they are convergence ICs ,Big black ics STK392-110s if this is the ics numbers upgrade and use 180s, if they are 020s go to 040s,if they are 560s or 570 use the same

Dec 12, 2008 | Hitachi 50FX30B 50" Rear Projection...

1 Answer

Color bowing top and bottow of tv


Replace both STKs upgrade to 392-180s if they are 110s also ck R7711 R7716 and R7720 1.8 ohms.

Dec 09, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Color bowing at top and bottom of toshiba 50fx30b


Replace both of your STKs 392-110s go to 180s also ck R7711 ,R7716 and R7720 1.8 ohms

Dec 09, 2008 | Toshiba 57H81 57" Rear Projection...

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