Question about Toshiba 42H81 42" Rear Projection Television

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Green the picture looks good but turns green

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  • proskill Aug 10, 2008

    my screen is green most of time then gets better than goe green



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Take the tub off of the back and there will be a red, blue , and green turn dials that adjust th focus and adjust the color apptitude adjust it accordingly

Posted on Dec 11, 2007


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Posted on Jan 02, 2017


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1 Answer

The picture turns green for a few seconds then goes back to normal

Hi. If it's not a picturetube (internal) fault, you may look for bad soldering joints on the printed circuit board, located at the tube.
This contains mostly the RGB amplifiers. A bad soldering on the one driving the "green" cathode, may cause such problems. It can easily be detected by gently knocking on the latter. Also look at the actual CRT socket solderings.
It is most unlikely that the fault is located in the colour decoder. Faults there mostly influence red and blue. In a PAL system, only red and blue are transmitted. Green is produced by a matrix.
Finally, in the worst case there is an internal fault in the picture tube itself. Usually, the discolouring is very bright, shows retrace lines across, and even makes the system shut down due to excessive beam-current. good luck.

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I have a mits. 82738 tv which would shut off after 20 minutes when first turned on .
Loose sound and picture.
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Replaced lamp and now it works fine and the picture quality is great.

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Green Screen

Hi, how is the cable box hooked up to the TV? Is it HDMI cable or componet (red/green/blue) ? When you say totally green, do you mean the the picture is only green with the other colors missing or every color looks green ?

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Picture loses all normal color & changes to snowy blues & greens

Not sure what causes it but it can be fixxed by your local repair guy, I just had mine fixxed for under a hundred bucks, he takes the back off and with a tiny screw driver adjust a few screws to near brand new perfect picture.. and it has been good ever since

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Picture turned green

It sound like a bad tube there are three tubes red green and blue.
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can be fixed or the tv tech can adjust the screen voltage on the tube.

good luck thanks jay

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Sony kp57hw40

Reset RGB screen controls....located behind lower front speaker
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32" Toshiba television Mod. 3357DB

If im not mistaking I remember the toshiba 32" to have an on screen alighnment in the sevice menu.. and I would not recomend that anyone without the proper manual and tools to fool with these adj as I've seen in the past that a set had to be completely redone even the tuner alighnments after someone went in and tryed to adj the set., Now the green tinge you speak of is the CRT getting weak The best way to ajust this would be to see if on the picture tube pc board on the end of the Picture tube if it has any little control on it ? if it does look for the green drive and put on a b&w Picture. slowlty turn down the green drive control untill the pic look almost B&W and you probably wont be able to get perfact grey scale as the crt is weak . If theres no controls on the crt pcb then your gonna need a service alighnment manual and adj the green drive that way. Good Luck

Apr 24, 2006 | Toshiba 32A60 32" TV

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