Question about Audiovox AVT1498 TV

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Audiovox AVT 1598

Our Audiovox 12 volt television shows a white vertical line in the center of the screen when you turn it on. The picture would show and then get to a narrow vertical line. Now there is no picture at all except the white vertical line. Thanks

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  • delluomo Mar 30, 2008

    I have the exact same problem. The set is 7 years old and I am currently looking for a replacement. I am unsure whether to purchase the same model to make re-installation easier, or to go with something else and modify the mounting to fit.

    any suggestions?

  • Anonymous Jun 01, 2008

    Ours is in a 2000 conversion van, about 2 years ago when the TV got warmed up it just popped to a thin vertical line. I bought a little portable DVD player/TV but it broke now and I'd like to either fix this one or find one that will fit the hole.

  • Anonymous Mar 22, 2014

    Picture is faded and I have vertical lines



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The vertical output IC or the vertical circuit is whats at fault. its all solid state and im sorry to tell ya that its not a user replaceable part. This set is probably not worth the repair it would take to get this set working again but please if you like ask a ;ocal repair shop what they thought about this problem.. Good Luck and please dont forget to rate this thread

Posted on Nov 11, 2006

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This is a "no horizontal sweep" problem, as in thin vert line--not thin hor line. Problem has been caused by a loose solder connection on the yoke plug on some sets.

Posted on Aug 29, 2007


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Posted on Jan 02, 2017

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I am repairing my sister TV {Toshiba TN61X81}. The original was no picture and with sound. Upon troubleshooting the vertical deflection, ihad move the screen control for all 3 crts to see the horinzontal...

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TV shows either: black screen with: white vertical or, horizontal line

If Your screen shows a: white vertical line on a black screen or, a white horizontal line on a black screen:
Your TV vertical or, horizontal power transistor or, chip is getting too hot.
A vertical line indicates the horizontal circuit is at fault, a horizontal line indicates the vertical circuit is at fault.
To troubleshoot: Turn on your TV untill the line shows then: after about a minute, remove power (unplug) the TV, remove the TV back cover, find the too hot transistor or, chip; using component coolant; spray the too hot component with the component cooler until the screen comes back to normal. To fix: apply white coolant cream to the back of the too hot transistor or, chip. or, if there is room, a small fan can be wired in to cool the part. Radioshack sells the cream and, also a "component cooler spray" that should find and, fix this problem, also; with power removed you can, if you feel it is safe; carefully (with only one hand) feel the part; it will be very hot! (it could burn your finger!) Do not touch anything else! (this will not hurt the tv; when the picture comes back on (the offending part has cooled) you have found the problem part.

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My sony big screen only show the center of the

try to check on vertical ic replace the bad capasitor or check the incoming voltej for the vertical ic must 24vdc +- 1 volt resolder the ic

Jun 06, 2009 | Televison & Video

1 Answer

Half screen showing

keep tv off.
it will only get wors
if sumon dosent work on it soon
the problem you are having in the vertical section of the tv
hav a repairman resolider all conection on the vertical IC and check the serounding componets for falts.

regards daniel.
PS the repair takes me about 15 min.

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Vertical hold circuit is failing.

Check capicitor in vertical hold circuit. You should have solid knowledge of electronics repair before attemping repair. TV's can emmit harmful radiation, and produce voltages up to or in excess of 30kV.

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Tv cannot display only a line in the screen

for short circuit it will show  like this if no short circuit
i think ur tv display tube has dead if it is in warenty pls exchange the tv

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The problem you are having is a vertical deflection problem. The screen is being compressed to a thin white line. It's probably a defective vertical output module or transistor. This part is not too expensive. Less likely would be a vertical deflection coil, which would be more expensive because its usually glued to the picture tube and harder to replace. You'll need to take your set to service center to have it serviced.
Please let me know if I can be of further assistance to you.
Good Luck!

- Jim

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Red Line across Screen

sounds like you have a vertical sweep problem. Where the fault lies cpuld be the vertical output IC the verticle b+ feed, could be the capacitors in the vertical circuit?? Your gonna need to troubleshoot thr vrtical circuit if your not a tech thin my advise is to take the set to a pro for sn est. Good Luck

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