Question about Toshiba Televison & Video

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Wavy lines on the screen and a high pitch sound sometimes.

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If you have a Dlp it might be the color wheel.The color wheel is in charge of creating the colors and when it's bad you'll hear humming,buzzing,whirling sounds.

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

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It sometimes makes a static nose and the picture is dark i have tried messing with the color and back light settings and it doesn't do much


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Hi, I have a Samsung LN40A550 LCD TV which I have had for just over a year. ... I was watching TV yesterday and all of a sudden the picture went all. ... started makinga very high pitched buzzing sound with no picuture coming on. We did have a bunch of green vertical lines, but now just a black screen.

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1 Answer

When turned on the screen is blank and makes a high pitch buzz


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Nov 8, 2015 - 25 posts - ‎12 authors
Our is the same model and has started making a very high pitched ... to acutally turn on and then when it does, the screen is still black and we ...

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Dec 13, 2015 | Televison & Video

1 Answer

High pitch noise from speakers


Hello there!
Sometimes High pitching its just that, static on the area, like if you are near a microwave, or near other electronic equipments, but, if the skreetching sound keep going or even if you do nothing it could be a line inside the sound card, or you need to clean the volume botton with special electrical cleaner. other that these, its contacts, or bad cap for the volume board inside.
Good Luck!
Carl

Apr 25, 2017 | Acer Computers & Internet

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Distorted picture with wavy lines..


SOUNDS LIKE A CAPACITOR GOING DOWN ON BOARD OPEN BK LOOK FOR BULGING HEADS

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Screen covered with wavy lines what can I do ?


if you are technical then open the monitor and see the primary filter big high voltage capacitor is expanded replace it problem will definatly solved

Mar 09, 2010 | Computers & Internet

1 Answer

High pitch sound coming from back of TV?


it could be either the coils on the yoke of the tube or the flyback. flyback would need to be replaced it that is the problem

Apr 19, 2009 | Curtis-Mathis CM19011 TV

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High pitch whistling noise in engine compartment of 2005 envoy


There may be a small hole or cut in a vacum line or possibly just loose. Also make sure the air filter box and the big hose to it are secure and clamps etc are tight. Pulleys and belts can make a high pitch sound also.

Mar 22, 2009 | GMC Envoy XL Cars & Trucks

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Sometimes screams a high pitched noise when turned on


the high pitch noise is from the HV. arcing acrss each other.
( the screen comes up at a pop).
I suggest get a better one. ( sorry! no domastic brand).

Oct 27, 2008 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

Screaming acer!


sometimes if the inverter board (the part that drives the backlight) has a cold solder joint on it, it can actually generate a high pitched resonating sound (aka a screaming squeal sound)

if it's under warranty, have the manufacturer correct the problem.

if not under warranty, retouch the solder points on the inverter board, or have a repair tech fix it for you.

Jun 03, 2008 | Acer AL1916W 19" LCD Monitor

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Loud humming or high pitch buzzing noise coming from my rca dlp tv 50 inch


I have a very high pitched sound and when I move the tv it will stop for a second or two and then start again. The sound sometimes stops all together. But very high pitch sound.

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