Question about Toshiba 42H81 42" Rear Projection Television
Help me realign the picture cos manual not clear on hw to deal with the problem.pictures on the screen with shadows and a blue slanted line
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Posted on Jan 02, 2017
If the blue colors will not line up, and the blue appears to sag inward from one or more sides, then you can bet that one of your convergence IC's has either cracked loose or burned out. The IC should be resoldered or replaced and the convergence realigned by someone experienced with projection TV convergence circuits.
Posted on Jul 15, 2007
There are 2 large IC's in your set and one of them has burned out. These are called convergence output IC's and are usually the STK392-010's. A good idea would be to go ahead and replace both with the newer, upgraded STK392-150 IC's. A good tech can change those IC's in about an hour and a half, and when I do a housecall for a set like that I charge $150, but shops in your area will vary so be sure to ask around.
Posted on Sep 10, 2007
SOURCE: toshiba 57h82
your convergence amp ic's./if you want to cheat/align the other two colors and manualy move the green yoke rings on the green picture tube neck so the green cross aligns with the red and blue.,they shuold form white when all three are aligned,on top of each other.
Posted on Sep 13, 2007
Replace STK convergence IC's w/OEM or better parts.Senior tech soldering ability needed. Ex==Steel jumper wires feeding b+ to conv. IC's need resolder to prevent call-back.Also, best re-alignment done in service mode==consult service literature.
Posted on Sep 29, 2007
SOURCE: Toshiba 50HX70 Convergence reset
You will need to replace the convergence ICs. You can order them at this link and they provide free support as well as installation instructions with pics so you can do the repairs yourself. You will need to replace both convergence ICs
Posted on Mar 30, 2008
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