Question about Apex Digital AT2002S 20" TV

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Sony Trinitron 21 inch KV-G21M1

My tTV is showing horizontal lines across the screen and is now looking like a black amd white TV instead of color.

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What is the securet code of this tv. No picutre, sound but video mode is good. how to solve this probles.

Posted on Feb 18, 2010

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Hi there!
Sounds like a power supply fault. You could try replacing all capacitors in the power supply and others areas around the line stage, with the same values. You may also want to check the tuner or "IF" circuit for dry joints. Hope this will help you. Kind Regards, JUS004

Posted on Oct 28, 2008

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My tv sony kv-xa21m61 display too bright and many horizontal lines. no picture


Vertical retrace lines is the problem. Thin white lines runs across the entire screen, at about an inch apart to each other. Check its video output supply voltage. Reduce the screen voltage to a little bit down and check. If you still wish to know more about this fault, check this site. Pull up older posts there.

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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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Half of the TV screen went black with a bright white line splitting the screen horizontally.


it's eather your Verticle output ic ... i dont know what the part number is but shude be easy to look up ...... or maybe your yoak (this would not be normal) ..... i would bet on the IC and maybe some captors no way to know without changing out the ic and seeing

Feb 15, 2010 | Sony FD Trinitron WEGA KV-21CL10 21" TV

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6 horizontal lines


I would look for a Vertical circuit failure. Most likely is the vertical output IC and or open resistor off the hv transformer. Definitely look for any loose solder connections around the Vertical output IC.
Hope this helps,
Skyassoc

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1 Answer

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

Mar 12, 2009 | Sony FD Trinitron WEGA KV-36HS420 36" TV

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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

My Siny Trinitron G21M1 is producing horizontal lines across the screen


Hi,
I hope your TV model is Sony KV-G21M1 and you see color bars as horizontal lines across the screen.
Let me now are you tech guy or know how to repair TV to guide you further.

Oct 26, 2008 | Sony Standard (CRT) Televisions

1 Answer

Standby light flashes 2 or 5 times; lilac picture with horizontal lines; and instant offs


There is some electronic circuit problem with your TV. Best if you want to repair it you find a reputable TV repair shop. Sorry.

Sep 18, 2008 | Sony KV-24FV12 24" TV

2 Answers

SONY KV-27FV310: UPPER HALF OF SCREEN IS BLACK


You have a vert sweep problem and unless you know how to trouble shoot this cuircit bring it to a pro. I found out mostly in these sets that the vert output IC is bad.. Also sometimes the b+ filter cap off the fly is leaky and made the IC to fail. Another thing is Im surprised to hear you got a pic with the vert failure and a bright line in the pic!! This could be a big problem when the sets fixed so dont run it too long like this. It could burn a line all the way across the screen and you will see a dark faint line in your pic because of this. BE CAREFULL!!

Mar 25, 2006 | Sony FD Trinitron WEGA KV-27FV310 27" TV

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