Question about Toshiba 32AV502R LCD TV

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Toshiba 32 AV502R LCD TV has a horizontal red line in the middle of the screen, then after a while you can see two colors

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  • manojkc_fait
    manojkc_fait Nov 04, 2012

    I have bought three month back Toshiba 24'' LED TV............. but I m getting Red line & black line on the screen........... so can i have reason why is happening?///////

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1 Answer

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  • Toshiba Master
  • 933 Answers

Sounds like a defective LCD panel, but I would recommend a diagnoses to get a second opinion.

Posted on Oct 29, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: Color screen

Subsequent to my Nov 14 2008 posting... shortly thereafter, I had returned my Sony BRAVIA KDL-46V25L1 (KDL-46V2500) to Costco. Then, (after trying a 52" Samsung, whose picture was nowhere near as good as Sony in High Def , but that is another story) I purchased a newer (one year newer) Sony BRAVIA KDL-46W4100 with 120 Mhz refresh rate.

What did I find?

The same purple/green image problem (“The Problem”) exists in the newer model Sony as well ! !

I believe the actual issue is with the TV, not the cable box, in that the TV contains faulty logic in in the way it handles switching from one input format to another. Turning the TV off and back on ‘resets’ the TV, and corrects the TV display (at least in the case of my Sony BRAVIA KDL-46V25L1 (KDL-46V2500) and Sony BRAVIA KDL-46W4100).

That action should have little impact on the cable box output.


My Shaw High Definition cable box has two output options for HD: Component RGB, or a DVI output. It came with an RGB cable, and a DVI / HDMI cable (DVI end for cable box, HDMI for TV).

When I use the Component RGB, my TV does not have “The Problem”; everything is fine with all the various cable box output settings I have tried.

When I use the DVI / HDMI cable, I get the “The Problem”.

“The Problem” only appears under one specific set of conditions as noted below....

My cable box can be configured to handle output for standard definition (SD) channels in one of four different formats: Nothing, 480i , 480p, or STRETCH. (where ‘Nothing’ lets the signal pass through as-is ).

ONLY when the cable box is configured to send SD channels as 480i does “The Problem” arise.

The TV has an issue (bug in video logic?) handling the switch from 1080i to 480i, only when using the DVI / HDMI cable between cable box and TV.

IE “The Problem” only seems to occur while using both the DVI/HDMI cable, AND when the cable box channel is changed from a high definition 1080i channel to a standard definition channel AND the cable box is set to convert the output of the SD channel to 480i .

By changing the cable box to send SD channels as ‘Nothing’, or 480P, or STRETCH , and “The Problem” goes away.

Or, using the Component RGB cables, and “The Problem” goes away !

Hope this helps.

Posted on Feb 03, 2009

  • 280 Answers

SOURCE: fine color vertical lines in right and left side of screen

One of two things could be wrong.. One is the digital board and or connector. the second is that the LCD display is going bad..

Posted on Jan 30, 2009

ripleymojica
  • 643 Answers

SOURCE: Multi colored lines running from top of screen to bottom

panel is cracked the cost of the repair is usually about 90 percent of the cost of the tv when purchased new. panel and labor. not worth if panel is cracked.

Posted on Jun 02, 2009

  • 36 Answers

SOURCE: Connecting Compaq Presario CQ40 to LCD tv Toshiba REGZA '32'

Check your resolution output from laptop it maybe set to high for the TV to handle, also go to the Display Properties and ensure that the second monitor out is enable. Good luck!!

Posted on Aug 03, 2009

  • 556 Answers

SOURCE: Toshiba LCD 37" with gray band and blue line

Unfortunately you are right it is the display panel going bad. You can either live with it or buy you a new tv as the panels usually cost as much or more than the tv. Sorry.
ladytech

Posted on Aug 06, 2009

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2 Answers

We have a 52" Toshiba


This problems is not the causes by a human or an objects by hitting the LCD screen panel wright?If,yes this problems can't be repair,the LCD screen panel it dead.The tv now,only can be used as spare parts,not worth as a whole tv anymore.If tv it develope all these colors lines by it self?Yes,this tv can be repair,the board call the T-Con decoders board is the causes and the problems.This T-Con decoders board sit right at the middle botton of the LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-Con decoders board for the replacement.

Dec 03, 2010 | Toshiba Televison & Video

1 Answer

My toshiba 32 inch lcd tv has green ,red,and purple squigly lines on the screen Model # is 32AV500U


Change Your Regulator on your Color Mixer check the choke beside it the little yellow trasfomator beside.... It maybe damage too....

Sep 21, 2010 | Toshiba 32AV500U 32 in. LCD HDTV

3 Answers

My 15 year old Toshiba Televisiononly shows a narrow horizontal band in the middle of the screen. Sound OK.


Hiii fairley,

You aren't specsificly dercribe yor tv set.
For common TV horizontal problem ;i.e : White line accross the horizontal screen, horizontal band,etc..it's can solved by replacing the IC Vertical/Transistor, and olso to replace the cap nearest the IC.

For common TV Vertical Problem :i.e : White line at the center of the screen (top to bottom),Vertical band,etc...It's can cure by Replacing the Horizontal IC/Transistor,and offcurse the cap's.

Tha's what all I know....

Hope can help you to solved the problem.

Thank's

h3liax

Jun 22, 2009 | Toshiba 32A33 32" TV

1 Answer

No picture no sound


Did you mean the picture is collapsed only in the middle horizontally(white line appears on the middle part of the screen)?
If that is the case, maybe vertical IC failed or loose connection.

Apr 05, 2009 | Toshiba CF32H40 32" TV

1 Answer

Black screen with colorful line going horizontally through the middle of the screen


Problem in the vertical circuitry.
If you have the know-how, check for "cold-solder" joints around vertical i.c.
Also, bad electrolytic caps.
Voltages ok?
Resistor values ok?
Replace I.C.

Don't tell me the yoke wires were off or gnawed thru by a roach!

Aug 07, 2008 | Toshiba 32A33 32" TV

1 Answer

Lines on tv screen


Both sound like bad LCD panels. The following must be answered to confirm this:
Do the lines appear on all inputs/all signal sources?
Can they be seen in the OSD/menu?
If yes to both questions, it is likely that the LCD panel is bad

Jul 19, 2008 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

Toshiba 32A40 32" TV Problem


does any one can send me the schematic of TOSHIBA 32A40? I have a vertical problem and I need to locate the vertical IC or trancistor.
I only see a horizontal line on my Tv.

thanks.
teranco@hotmail.com

Jul 13, 2008 | Toshiba 32A40 32" TV

1 Answer

LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP


This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.

Dec 13, 2007 | Samsung LN-S4051D 40 in. LCD Television

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