Question about JVC AV-27D302 27" TV

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Black bar top 1" screen

The image that should be in top 1" is folded over inverted and superimposed on next to top 1" Rest of picture below this is fine.

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Dry capacitors on the vertical output

Posted on Feb 17, 2009

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1 Answer

How do I change it from wide screen to regular? I have a black area above and below the picture.


Hello
You can set the picture size by remote control itself.

You can vide 480i format programmes in three picture sizes. 4:3, 16:9, and ZOOM
You can change the picture size by pressing the PICTURE SIZE button on the remote control.
4:3 Picutre size
To fill the screen, the top and bottom edges are extedted more widely, although the center of the picture remains near the former ratio.
If receiving a 4:3 programme, the image size is displayed in its originally formatted proportion.
16:9 picure size
This image displays the size of standard 16:9 with black bars at the top and bottom.
If receiving a 4:3 programme, the image is displayed with black bars at the top and bottom and stretched wider.

NOTE: If a fixed bar remains on the screen for a long period of time, the image can become parmanantly engrained in the screen and cause subtle but permanent ghost images. Never leave your TV for long periods of time while it is displaying these images.

Zoom picture size [for 16:9 formats]
The entire picture is uniformly enlarged --it is stretched the same amount both wider and taller (retains its original proportion). The right and left edges of the picture may be hidden.
OK.

Dec 14, 2010 | Insignia NS- 27" TV27 TV

1 Answer

Split screen, kind of inverted w/white wavy lines


It is a calibration problem, let me see if I can find some schematics for your tv.

Jul 19, 2008 | Panasonic CT-32SL14 32" TV

1 Answer

32A13 top part of picture is distorted


This is called Vertical fold over and is almost always a capacitor at fault.
This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical.

Sep 27, 2009 | Televison & Video

1 Answer

Tv picture is shrinking.


Check for dry electrolitic capacitors near the vertical IC

Jun 23, 2009 | Philips 27PT563S 27" TV

2 Answers

Why do we have black bars on top and bottom of screen


Originally when 16:9 TVs were produced movies were being shot in 16:9 so that you had a full screen. Now they are being shot in 14:9 as it gives you a more cinematic experience. This is due to the fact that colours look more vibrant when they are placed against a colourless/lightless surface (such as a black panel) as for the bars on the side of the screen LuciferStarr is correct; it depends on the format in which the video was originally produced. For example most older television shows are still shown in 4:3 but newer shows and movies are produced in the widescreen format.

Jun 23, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Rcs hdtv multiple images


The problem you're having is due to the failure of the convergence amplifier circuit. In that circuit are some components which amplify or control the signals to the dynamic convergence yokes, which line up the red green and blue images to superimpose them over each other to create a proper colour picture. When you get a failure in that circuit, it no longer aligns the images properly, and generally you get what appears to be badly set geometry in multiple colours. In some cases you will also get a problem with the part of the power supply that supplies the convergence amplifiers, or the digicon, which is the digital convergence control module.

Jun 12, 2009 | Hitachi 43FDX01B TV

1 Answer

JVC 27"


Repaiur or replacement? It's Your call! If you know Solid State repairs, then worth a try. Most likely a bad Electrolytic capacitor in the Vertical Oscillator / Output section. Do not waste time identifying faulty one, but change all at one go. Even if one is faulty, the others must have started drying up, and will cause problems in the future.Remember "An Ounce of prevention is better than......"

Oct 01, 2006 | JVC AV-27D303 27" TV

1 Answer

Panasonic tv has white lines at top of screen


suspect it's 1 or a couple of bad capacitors in the vertical deflection circuit the caps are in the 400 series, c400,c401,c402, etc... check or replace c414,c418 & c417

Aug 30, 2006 | Panasonic CT2722H TV

1 Answer

Screen split with black bar through center, top of picture shows in bottom


It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck

Jun 14, 2006 | Sanyo DS31520 31" TV

2 Answers

DARK HORIZON AREA AT TOP OF SCREEN


not sure but you could have a bad color wheel i would suggest a service call from your local shop

Jun 07, 2006 | Samsung DLP HL-P5663W 56" TV

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