Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television

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Picture dark the picture is very dark set up seems normal. have checked HV =31.5KV no load. the last info I got was for a plasma tv the 42H83 is not plasma. need some ideas.

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Please check its G2 (grid) volts, should be approx 600-700 volts dc. In some sets it calls Screen Volt.

Posted on Aug 09, 2008

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My toshiba 42h83 tv has sound but no picture


of course check different inputs etc to make sure something did not get disconnected.

This rear projection set uses 3 picture tubes and the set will protect them if there is a problem in the vertical or horizontal sweep circuits that might burn the screens or the damage the tubes.

No simple answer as a lot of different parts are possible for this problem.

Apr 27, 2012 | Toshiba 42H83 42" Rear Projection...

3 Answers

DARK PICTURE


Just restart the tv and can u tell me company name and model no.........

Aug 03, 2008 | Toshiba 42H83 42" Rear Projection...

1 Answer

The tv seems really dark.57in theatrewide hd toshiba


Go into the tv menu and select the Preferences menu and set your picutre preference from Theater to Normal. The TV is currently in Theater mode, wich is for viewing with no lights on in the room. Switching it to normal lightens the pictue a lot.

May 27, 2009 | Toshiba 57H81 57" Rear Projection...

2 Answers

I have a 37" Sharp Aquos. When the scene is mostly dark, the picture will get darker and faint and when the scene lightens up, the picture will get brighter. I've tried changing all the settings, but to...


Hi,
I need further info about this problem in your Sharp TV,

1- Does TV give same problem on all inputs like DVD Player, cable etc?
2- How since long TV started that faint picture problem?
3- What is exact model of TV written at back of TV.

Hit "add a comment" button to reply.
Thanks.


May 05, 2009 | Sharp Televison & Video

1 Answer

Toshiba 52WM48 - Dark line across top of screen about 4 inches


replace the vertical ic, LA 7833 and four capacitors near it, i encountered this last two days.change the parts and it ok now.
cost of this parts is about $20.00

Jan 22, 2009 | Toshiba 42H83 42" Rear Projection...

2 Answers

JVC Projection Television HD 52G886


its the cause of internal settings that should be made proper. just click the link and download the exact model of your unit and check out for the settings in the trouble shooting and picture adjustment options.
http://tv.manualsonline.com/manuals/mfg/jvc/jvc_projection_hdtv_product_list.html

Jan 05, 2009 | JVC AV-56WP30 56" Rear Projection...

1 Answer

No Picture on Magnavox 42" Plasma TV


Plasma displays use a fairly high voltage and the supply for it has failed.
If you want to check on your own, remove the back panel and look for one or two boards with far fewer and larger than average components on it or them.
If two boards are present, the one most obviously related to the incoming AC cord will be the main supply but in some sets, the main and HV supplies may share a board.
Locate the part # and email the manufacturer for a price on repair or replacement.  

Dec 28, 2008 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

Sony 36 tv sound 20 sec thenquits has no picture hv seems to do the sameopened set


This set should have the standby light blink a code number,pause number. Can you please post that count and the model number? With that I should be able to assist.

Thanks,
Dan

Jul 23, 2008 | Televison & Video

2 Answers

Toshiba 42H83 42 in unstable video


Probable PIP sister board.Moderate skill & some tools needed.Advise==get a senior tech near you.

Sep 10, 2007 | Toshiba 42H83 42" Rear Projection...

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