Question about Projection Televisions

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A vertical line goes arcoss the screen when i turn it on. done some research and concluded it would be the vertical capacitor has a loose wire. Ive gone to a couple repair shops and their askin alittle too much to look at it. I was wondering if i could fix it myself. Im looking for a map of the insides so i can locate the problem. Is there any way you can help?

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If you know how to solder try resoldering vertical out put ic ,look for 35uf 100v capacitor.

Posted on Mar 12, 2008

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Lines at the top of screen


Check and replace all the electrolytic capacitors at its vertical output section. The lines you refer here are technically called, vertical retrace lines, and are mainly due to capacitors itself. Check all the solder terminals of vertical output IC for any loose solder terminals. Resolder all the suspected solder terminals by applying a little more solder to each point. When replacing capacitors stated above, replace them all at one time. There will be 5 of 6 numbers of them, the most, and wont cost more. If you wish to get more details, surf the following link. There are over two thousand and four hundred posts. All are related to television and other domestic electronic equipment service help. You can get a solution there. Type in the brand name to your device to its search box, can be located at the top right of the display window. It will make search easy. More than Nine Lakh viewers cannot be wrong.http://electronicshelponline.blogspot.com/

May 09, 2013 | Projection Televisions

1 Answer

Horizontal lines across middle of screen sometimes


Vertical problem coming from bad solder, or vertical circuit problems!!!
Check for bad solder and capacitors problems in vertical circuit.

Aug 30, 2009 | Hitachi 60SBX78B 60" Rear Projection...

2 Answers

I will turn on my 1995 jvc and all i see is a white horizontal line about half inch that won't go away unless i hit the tv then i get my picture back.


The vertical output integrated circuit needs to be resoldered to the circuit board. It's common for these connections to develop cracks over time. When you smack the set it's causing the connections to make contact again for a while. There may also be capacitors in the vertical circuit which need to be replaced as well. They age and change in value.

Apr 22, 2009 | Projection Televisions

1 Answer

Tv has little blue dots


Once again, this is a problem with the optical block or light engine assy. The LCD panels have been damaged by excessive heat from the lamp. Sony has been directed by the New York state attorney general's office to extend warranties on these sets for models going back 4 years. Call Sony at 1-800-222-SONY for assistance.

michtech

Feb 12, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Lines on top of screen


Hi and welcome to FixYa,

Initially, sounds like a capacitor at the vertical section about to fail, leaking or blistered. Additionally, have seen some of these models suffers from vertical fault due to a defective capacitor in the power supply section or cold solder.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Nov 03, 2008 | Projection Televisions

1 Answer

My tv has this lines that bend over the front top of the screen and when an object moves through the lines the image appers from the the top of where the line begins...and the tv goes black every once and...


This sounds like a vertical deflection fault. There are some components that are failing in the vertical deflection area that are starting to fail. It is very common in many of the sets that there are electrolytic capacitors in the vertical amp section that are gong out of specifications.

When you have at the top or the bottom of the screen where the vertical axis is compressed, and the picture in the compressed area looks like it is inverted and going over on itself, this is called "vertical fold-over".

An experienced TV service technician should be able to service this for you.


Jerry G.

Apr 18, 2008 | Projection Televisions

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