Question about Toshiba 57H81 57" Rear Projection Television

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Color bowing top and bottow of tv

Tohsiba 50fx30b

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

Posted on Dec 09, 2008

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Question - What would cause the colors to be off..meaning..it looks almost 3D and with widescreen shows the black on the top and bottow bows into the main area of the screen. Any ideas?


Tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all it resistors too.The tv convergence board must be replace all these parts on the tv convergence board to solved the tv picture convergence problems.The shop,will cost like $300-350 for parts and labors.

Dec 17, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Looks like double vision, red and yellow are prominent


This is a classis descritption of a convergence failure. You can get the parts and instructions from www.TvRepairKits.com

Apr 14, 2010 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

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


Convergence ic's need replaced. The average shop charges about $250.00.

Dec 06, 2009 | Hitachi 50FX30B 50" Rear Projection...

1 Answer

Hitachi 50fx30b picture bows on top and bottom and the colors misaligned---can anyone help???


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

Jul 20, 2009 | Projection Televisions

1 Answer

Red and Blue color bowing...


Hi, you`ve lost your convergence IC`s, At our shop here in western florida this runs right around $246.00, price will depend on your geographical location and who you call. gl, video-tek

May 29, 2009 | Hitachi 50FX30B 50" Rear Projection...

1 Answer

Color bowing yellow and blue


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.

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

1 Answer

Yellow ans blue color bowing


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


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

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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