Question about Toshiba 50HX70 50" Rear Projection Television

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Toshiba 55hx70 turn tv on stays on about one minute then shuts off has lines running through picture and out of convergence changed both stk 392-110 but blue still want converge but set stays on. any ideas

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Check all the fuses. Its easy to mis the 2amp pico fuse mounted near the middle of the power board. When this fuse opens, the red at the top, especially at the left side of the screen, will not adjust enough. Be sure to use new heatsink compound behind the ic's Shutdowns,are usually,not an easy repair Good luck

Posted on Jan 31, 2006

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Ur tv have a problems known as a convergence pictures problems,it is dead.Ur tv have any colors lines like R,B,G mis alignments,tv have any colors shadows pictures or have a 3D pictures look alike?Yes,than ur tv have a dead convergence board to causes the tv to have all of these pictures problems.The tv convergence board must have be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost u like $300-350 for parts and labors.

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Tv have a R,G,B colors lines misalignment,have picture shadows or 3D picture look alike?Yes,than tv have a problems known as a convergence problems,it is dead.The tv convergence board must be repair,by replacing like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop will cost u like $300-350 for parts and labors.

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Focus Error I am getting double picture and the colors are off. When trying to auto focus the blue lines are wavy.


Replace Convergence ICs ,Big black ICs will have PN# on them example STK 392-110
Mats has ICs 1-800-628-1118

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

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It looks like the bulbs are not aligned. The upper half of the picture is fine. The lower half has the red above the blue to there is double picture. I just picked up the TV for free. Any suggestions?


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Ihave a toshiba 43 inch hd 2002 rear projection the picture has shiffited to the right can I fix this


This tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignment,have colors shadows picture or 3D picture? The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,require changing to solved the tv picture convergence problems.The shop,will cost u $300-350 for parts and labors.

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Toshiba 55hx70


You have convergence output failure. The output ICs will need to be replaced and possibly a small component like a resistor or two as well. Expect to pay a service company $350-$450 to resolve this.

michtech

Feb 09, 2009 | Toshiba 55HX70 55" Rear Projection...

1 Answer

Convergence amps


you need to change the ics that are located on the converge board is the one that is screw to the heat sink change both or the closes to the rear is for green vertical and horizontal and blue vertical and the one closes to the front is for the red vertical and horizontal and blue horizotal it starts with a STK number.

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