Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Sony trinitron my trinitron has a line one quarter of the way from the top horizontally,it shows a lighter part above the line and slightly darker below the line.What is causing that?

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The problem is that the horizontal blanking pulse wont tun off during horizontal retrace period. the problem is in the IC. that process the TV signal.

Posted on Apr 25, 2008

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Sony FD Trinitron WEGA KV27FS100 horizontal lines across top part of screen


Check and replace all electrolytic capacitors in the vertical output section circuit. There will be 5 or 6 of them to replace. Replace all at one time. The fault you describes here is technically known as 'vertical retrace lines'. Visit the site named 'Electro-help' for more details. Click this link. View it in 'Flip card' option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 990 posts to different brand TVs now. Sometimes, you might get some more details from there.

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When i put my tv sony trinitron on, i hear the sound for 15sec en then the tv go out en de leds blanks


Hello
There is some sort of indirect short inside your TV. It is in the main circuit board. Most of this kind of fault in Sony Tvs are related with horizontal output stage. You just replace the horizontal output transitor [which drives the Line Output Transformer] of your TV first. If the transitor is leaky, the above said falult may occur. If it doesn't help Line Output Trnasformer [LOT] may need replacement. Check whether the replaced transistor overheats within seconds or minutes. If it overheats the LOT is faulty. Ok.

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1 Answer

No picture, has sound


This problem usually lies on the horizontal output transistor, try to check also for shorted diode. you can buy ftom any electronic parts dealer or radio shacks stores

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friend maybe your LCD was broken or loose. try to pull gently if it return to normal image.

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go in touch with SONY i assume ur set is still under warrenty.....call customer help and support

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1 Answer

I have a KV27FS210 sony wega trinitron tv. It turns on and has a single horizontal line across the center of the screen then buzzes shows a continuous zigzag line from the top to bottom of the screen with...


The single horizontal line is a problem with the vertical circuit. Look for a small flat id attached to a heatsink that should be marked LA7837 or something similar. Try resoldering the pins of this IC first. If that does not resolve it, replace the IC.

Keep us posted.

Dan

Feb 20, 2009 | Sony FD Trinitron WEGA KV-32FS100 32" TV

1 Answer

No Color image - B&W image is distorted


it could actually be the cable box itself or there could be corossion on the cable connection outside

Dec 11, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

White horizontal, zig-zagging lines


It sounds to me like you're describing the re-trace of the unit. It is repairable, and more so the sooner you get it to the repair facility.

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