Question about Toshiba 42H81 42" Rear Projection Television

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No red color in picture

I have a (42H81)42 inch Toshiba rear projection TV and there is no color red in the picture.

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  • cindyprobst Dec 24, 2007

    I have the same problem too! Can somebody help me??? My TV is only about 8 years old. HELP PLEASE!?? CINDY CELL: 214-882-2626



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Red tube bad.

Posted on Dec 05, 2007


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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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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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Center bow on picture top and bottom with 1" black showing

Projection TV2_bing.gif sets have several common problems listed below.

Problem #1) Convergence


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Problem #2 CRT Fluid has clouded over. Symtoms
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You can see some examples and find a fix here...


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Need the model number to help as I am not sure of you have a RCA or a Toshiba

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TV picture is red.

Normal color picture is composed with 3 colors R-G-B (Red-Green-Blue). Picture turns Red means: Missing Green and Blue colors (many reasons: bad contacts, projector tubes dead, and other...). Try to give some "tabs" to diagnose ... I don't know what is the type of your Projection TV, how long you owned it, to have more idea.

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5 year old RCA 50 inch projection tv. Picture went off.

If you are using component cables make sure they are all connected properly( pushed all the way in and in the correct input). I have seen the red cable come loose several times and cause no red color in the picture. When you change the lamp it is easy to pull on one of those cables and cause it to come loose.

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turn your red screen voltage down till you get grey, your convergence out puts will need replacing
also the limiting resistors usually a low resistance, cheers parts from global look for stk -*.*

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try to turn down the screen control and see how the tv reacts.

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Toshiba 65NH84

You might have burned out the red color crt. In projection TV's there are 3 CRT's (one for blue one for red, and one for green). If you have the other 2 colors but no red I would assume this is your problem. You should be able to get it fixed for around $150.

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