Question about JVC AV-27020 TV

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Vertical probs I have a JVC-21D11 if you're familiar the vertical shrinks about 2 inches at the top & same at the bottom, can you pls help?

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Yoyoy, check some leaky capacitor near the vertical chip. some of this caps may have gone out of their value.

Posted on Dec 29, 2007

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My 45 inch Mitsubishi rear projection tv's picture


Good day!!!

try to see the button below and find the trimmer try to look at it and find vertical hold adjust it..if not helped just go to this link www.fixya.com/users/bugoy31

good luck..

Feb 04, 2012 | Mitsubishi Televison & Video

1 Answer

Will not always power up, just clicks and power light flashes. Vertical retrace lines at top 2" of screen. Keeps shrinking and goes completely away after about 5 minutes.


The JVC sets are well known for this type of problem, the tv has a vertical deflection issue needs a few small parts and a touch up on the vertical ic, causes the set to shutdown. I recommend a tv technician for the repair.

Jan 14, 2011 | JVC AV-27750 27" TV

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JVC AV-27920 white horizontal lines on top of the screen


YES THERE ARE 3 CAPS. 2 ARE SMALL ONE LARGE IN THE VERTICAL CIRCUIT. 1 OR 2.2 uF AND A 1000uF. ALL ARE VERY CLOSE TO THE VERT. IC AND YOKE PLUG. PHYSICAL EXAMINATION SHOULD SHOW WHICH ONES DRIED OUT AS THE HEAT SHRINK WRAPPING AROUND THEM PEALS UP. ALSO WHEN YOU UNSOLDER IT YOU MIGHT SMELL "STINKY FISH" AS THE ORGANIC ACID INSIDE IS LEAKING OUT THE BOTTOM. LOOK FOR BROWN OOZE ON THE LEGS ALSO.

Dec 27, 2009 | JVC AV-27920 27" TV

1 Answer

I have a 2 inch black band which appears intermittently dwon the full height of a 22inch JVC lcd television can anyone explain it for me? thanks


If it is black vertical band from the top all the way down to the bottom of the screen, your LCD panel is going bad and you will see more bands and it will get worst.

Nov 04, 2009 | JVC LT-23S2 23 in. LCD Television

3 Answers

Pictures shrinks.. Panasonic TC-20LM Television


Shrinking picture is a voltage regulation problem in the switch mode power supply, Possibly a cap used in the feedback circuit. Or an over current condition on the B+. This is a very tech intense repair because there is no magic bullet. If it is shrinking on bright scenes then you can bet it is a regulation problem, bright scenes draw more current from the power supply causing this effect. I would not suspect the horiz output because the regulation for this circuit usually comes from the main switch mode power supply. One diagnostic is to monitor the B+ going to the horizontal output and see if it fluctuates. If so you can bet it is a cap or optical coupler in the switch mode circuit.

Oct 10, 2009 | Panasonic Televison & Video

1 Answer

JVC D-Series TV top of picture shrinking


There are probably two capacitors that are bad in the vertical circuit. Not too hard to replace if you have any experience at all. Find the vertical output IC ( usually IC451 or similar ) and simply change the closest electrolytic capacitors. A professional can do this easily. Could cost up to $150.

May 13, 2009 | JVC AV-27D302 27" TV

1 Answer

Picture size is shrinking within screen


hi there, you have vertical section prob., repalce imeditely the electrolytic capacitor at the vertical section. do some test and check up. ty

Feb 18, 2008 | Philips 27MT3305 27" TV

1 Answer

Picture is shrinking from the bottom


Hi you have lose solder in yor vertical section have a tech resolder it or that problem will cost you .hope you have already have it remedied.

Nov 14, 2006 | Toshiba 36A40 36" TV

1 Answer

Shrinking picture


All symptoms indicate a problem in the vertical circuit,the first thing to look for will be loose conection on the vertical output IC,sometimes this IC goes bad completly and it needs to be replaced.If you are familiar with soldering electronics you can take care of it but if you are not too familiar you can play it safe and take it to a servicer ,it will be a lot less expensive than if they come to your house.Let Us know how it goes or if you need more information.

Oct 26, 2006 | Quasar SP-2722 27" TV

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