Question about Toshiba 42H82 42" Rear Projection HDTV-Ready Television

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Red color abunDANT


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Re: red color abunDANT

Please verify model # from rear of set.PVAT! Look closely at signal PCB for signs of CRT coolant leak.

Posted on Oct 04, 2007

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Re: red color abunDANT


Posted on Aug 18, 2009

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Red Lines through picture when screen is dark, back ground has a red tint. On my 48 "Sony Rear Projection" TV

You can try adjusting the Red color output. (Very touchy adjustment)

If you take off the front cover/speaker cover, there should be a access panel. Behind that, there should be a small square black box with 6 screws on it. This is the focus block. (At least this is where most of them are located)

It sounds more like you may need less red in the mix. There is a screw for each color. R, G, and B. Do not mess with the focus screws, just the ones labeled 'SCREEN.'

Go to an unused input where the screen should be dark. Barely turn the red down in a dark room so that the red spot is at the same level as the Blue and Green.

Use an insulated screwdriver and DO NOT TOUCH the focus block and ESPECIALLY NOT the back of it.
Very HIGH VOLTAGE. I found that out the hard way.

Do not turn any of these up too high or damage may occur and the TV may detect a short and shut off.

I have found that if the three colors are adjusted in a dark room to where the 3 color spots (R/G/B) are just barely visible on the screen at equal levels, there is a pretty good color balance.

I hope this helps! Just be careful.

Apr 19, 2010 | Sony KP-48S75 48" Rear Projection...

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Trying to manually fix color convergence on Toshiba 57H81

The convergence ICs and the six 1.8 ohm 1watt resistors need to be replaced. You can get the convergence repair kit for your model at which has the Two Convergence ICs and the six resistors plus the CD with instructions on how to do the repair.

Dec 02, 2009 | Toshiba 57H81 57" Rear Projection...

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Toshiba problem!

Your Convergence IC's need replaced. I recommend calling a service company if you want to invest in the repair. Most shops charge anywhere between $250-350.

Jun 23, 2009 | Toshiba 42HDX82 42" Rear Projection...

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Hey own a 2003 hitachi model #46f500. love it a lot,but has a tint of red on screen. when dark movies are on gets real dark. when its day light on tv it looks great. info please

It sounds like the CRT tubes are weak which will not practical to replace them.

But try to clean the dust on tube first and if it doesn;t help do this...

Risk of electric shock, focus block carries 4 kilo votls, do at your own risk or DO NOT do it at all.

Just try to adjust the screen voltage adjustment to brighten the 3 tubes from focus block, to do this you have to open the back then let the TV run for abut 10 minutes beofre adjusting, each tube has its own screen voltage adjustment, read the label make sure not to tuch the focus adjusment, do not crank up too much make it very slow or your TV will show retrace lines or it will shutdown.

good luck.

Feb 27, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

57H81 Red Bleeds, Dull Color, Was Pink

change the l.c.d colour corretion board new £ 400 not worth doing in my opinion part hard to get i stopped reparing these 5 years ago . agro agro agro ebay part not good these sets have a horrible short life

Dec 08, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Red tint makes a double picture

Need to replace the two STK392-110 Covergence ICs. You can get replacements at the following link with free instalation instructions

Jul 14, 2008 | Toshiba 43HX71 43" Rear Projection...

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Double outline "red" around images

Hi you have bad convergence ic stk modules ,Cost for repair center to fix is 250.00. call your local repair center ask there prices on convergence ic repair. It is a very common problem every 3 to 5 years .Our service center does a lot of these.

thanks doctor video 1987

Jun 01, 2008 | Toshiba 42H83 42" Rear Projection...

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Still green

go In service convergence mode and try to adjust red and green if you cant then it's convergance amp ic's
if you can adjust them so they align up try doing a touch fous after that,.

Dec 16, 2007 | Toshiba 42H81 42" Rear Projection...

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