Question about JVC AV27WF36 TV

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Image doubled when using 480p

I tried getting a 480p image from my JVC I'ART AV-27WF36 television, but when the progressive scan signal was sent, the picture was doubled, split half-way down the screen. I'm using component cables in the component input. I figured this TV supported progressive scan since it has component inputs, but now I'm not entirely sure. Does this TV model actually support 480p?

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Re: Image doubled when using 480p

No it is only 480i with component cable support.

Posted on Jul 01, 2008

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I have a jvc 20" AV-20NN15 power is good but there is no ruster,sounds is good perfectly working but if i put the signal.there is no picture but have channel and volume display ok..but no image

Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Jul 12, 2016 | JVC Standard (CRT) Televisions

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Component resolution why does it not want to do 480p

480p is used in LCD TVs to make the image look less pixelated. You have a CRT which doesn't support progressive scan

Feb 27, 2010 | RCA TruFlat 27F520T 27" TV

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Shows gray screen on all channels

between image controls, (contrast-brightness-colour), Check the "colour" setting. should be near the middle of it's way.

if an automatic scan was performed before the event, please start it again, but assure proper country selection when asked (or better, check if there is a country selection menu and have it set to your country BEFORE starting the autoscan.

Aug 31, 2009 | JVC AV-27050 TV

1 Answer

Sony KV-32FS12 Component Video 4 Has A Wavy Picture

sounds to me like the differnence between watchiing in progressive and interlace. these older tube tv's are not capable of displaying a progressive scanned image. like the first dvd players. check your video out settings on your ipod to make sure its an interlace output.

Apr 23, 2009 | Sony KV-32FS12 32" TV

1 Answer

Image goes out after twenty seconds

my did the same i just hit on the side of the tv and it,s working ok not sure try it.

Apr 03, 2009 | JVC AV-27D303 27" TV

1 Answer

HD channles

Hi Scan 1080: Enables you to receive the 1080i, 720p, 480p and 480i digital TV formats. By using the VIDEO 5/6 IN jacks, you can connect a DTV (digital television) receiver to view DTV programs. q DRC Multi-Function: Unlike conventional line doublers, the DRC feature doubles vertical and horizontal lines, resulting in four times the density for quality sources such as DVD, Satellite and Digital camcorder. q CineMotion: Using the 2-3 Pull-Down technology, the CineMotion feature allows you to obtain a smooth picture movement when playing back movies or other video sources on film. q Twin View: Using Multi-Image Driver (MID-X), Twin View allows you to watch two programs side by side with the ability to zoom in one picture and listen to selected window. You can watch pictures from two different sources (1080i, 720p, 480p or 480i) simultaneously. q 16:9 Enhancement: Vertical Compression technology that maximizes picture resolution on “anamorphic” or “enhanced for wide screen” sources, including selected DVDs. q Steady Sound: Equalizes volume levels so there is consistent output between programs and commercials. q Parental Control: V-Chip technology allows parents to block unsuitable programming for younger viewers. q Component Video Inputs: Offers the best video quality for DVD (480p, 480i) and Digital Set-top box (1080i, 720p, 480p, 480i) connections. q S-VIDEO Inputs: Provides a high-quality image for connected equipment. q Favorite Channel Preview: Preview up to eight favorite channels

Jun 02, 2008 | Sony KP-61HS20 TV

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CVI connection

On a Philips TV the only way I know to switch to any of the inputs is by scanning using channel up or down. This model is capabable of 480P input only at the CVI/Component input. This is not a HD television. It is only a EDTV (enhanced definition) if you try and input anything iver 480P IE: 720p or 1080i, the double image and/or lines is what you will get.

May 27, 2008 | Philips 27PT8302 27" TV

2 Answers


Hi - Here is a description of a few terms that might help, especially if you're in the market for a tv. If this answers your question PLEASE rate this as fixed. If you need more help just add a comment and I'll be glad to assist you further. Thanks.

High definition television is the highest form of digital television. It has a 16:9 aspect ratio, which is the same as a movie theater screen. This is possibly HD’s biggest selling point. The other is the resolution. High definition is the best available picture on a television. It comes in three different flavors: 720p, 1080i and 1080p.
What do 720p, 1080i and 1080p mean?
High definition programs are encoded with a type of resolution: 720p, 1080i or 1080p. The number stands for the amount of lines embedded within the signal. The letter describes the type of scan the television uses to display the picture. The ‘i’ means interlaced and the ‘p’ means progressive.
Why does the amount of lines matter?
The number of lines on a television is important because it allows for greater detail in the image. This is a similar concept to digital photos and how dpi determines print quality. The type of televisions all of us grew up watching had 480 visible lines on the screen. By doubling the amount of lines in combination with the type of scan, HD essentially doubles the quality of picture.
Does it matter if the resolution is interlaced or progressive?
The type of scan is arguable considering the amount of lines for each HD format. Progressive scan is a better type of scan because it doubles the amount of times the TV displays the image per one second in comparison to interlaced. Still, the difference between 720p and 1080i is so minimal that is isn’t an issue at all. While 1080p is better than 720p and 1080i, very few programs are made in this resolution so it really isn’t a factor right now…and, it might never be.

May 12, 2008 | Durabrand DWT1905 TV

2 Answers

"Unusable Signal"

Ok, I stopped short of going to Best Buy to get a new TV b/c my DAD suggested I pull the DVD player on another tv.

Dang it, he was right!. Same "audio no video" problem.

After playing with multiple buttons shooting blindly I found the [ I/P ] button restored the picture immediately!

This stands for Interaced or Progressive scanning:

from wikipedia

"Progressive or noninterlaced scanning is a method for displaying, storing or transmitting moving images in which all the lines of each frame are drawn in sequence. This is in contrast to the interlacing used in traditional television systems where only the odd lines, then the even lines of each frame (each image now called a field) are drawn alternatively."

So, my Dad says that "TV s are based on the interlacing" technology. I must have picked progressive scan while I was in the dark fast forwarding last week.

Mar 27, 2008 | RCA 27V530T 27" TV

1 Answer

TV, i plug it in, turn it on, no image, "on timer" light comes on.

If you dont hear a click theres a problem in the standby power supply. if you do hear a click theres a problem in the Main power supply or sweep supply. Get a good tech to look at this for you if your not a tech. Good Luck

Aug 07, 2006 | JVC AV-27D302 27" TV

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