Question about JVC HD-52G886 52" Rear Projection HDTV

1 Answer

Picture adjustment for JVC HD52G886

The picture even in the "full" aspect mode is too large and both the bottom and top edges are cut-off. This just started to happen. Not sure why. How can I adjust so that the full picture can be seen?

Posted by Norm Shaw on

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Warren Doll

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  • 51 Answers

Here is the manual http://www.retrevo.com/support/JVC-HD-52G886-TVs-manual/id/279ci059/t/2/, also may need to go into picture advance settings to do some calibrations.

Posted on Apr 02, 2012

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5 Related Answers

Anonymous

SOURCE: bowing red lines at top and bottom of screen

Try this, it might be just the thing:http://www.techlore.com/article/15929/Fixing-My-Own-TV/?textpage=3

Posted on Sep 21, 2007

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Anonymous

  • 934 Answers

SOURCE: JVC AV-56WP74 projection TV green sagging and can not be adjusted out.

The convergence amps need to be replaced. If you're having a shop do this call around and ask what they charge for repairing the convergence. If you're doing this repair this set uses two stk392-110 Sanyo built amps. You will also need to test and possibly replace one or more of the 1.5 ohm feed resistors in that circuit.
If you're doing this at component level try Acme in Florida for amps and resistors: 1-800-575-9833 http://www.acme-sales.net/index.shtml and if you're doing this at modular level send it to PTS http://www.ptscorp.com/ 1-800-844-7871
Good luck!
Bill

Posted on Nov 27, 2007

Anonymous

  • 2 Answers

SOURCE: JVC 48WP34

More than likely you need to replace your IC's on your convergence board. Im not entirely sure on this model, but it's probably STK392-110. There are a lot of people that recommend that you replace them with STK392-150 to ensure a longer life.

Posted on Mar 01, 2008

Anonymous

  • 1139 Answers

SOURCE: JVC AV56-WP74 Convergence problem

Hello saduchan,

I think that your ICs are ok, What you need to perform is what is called dynamic convergence, This involves using the internal convergence controls to align the outer edges of the screen. I am assuming that the center of the screen is ok? it's just the edges which are misaligned, right? Now for the bad news, this task is not easy in fact the job takes a pro about 6 to 12 hours to do it right. I think you should have a qualified TV technician attempt the static convergence setup followed by the dynamic convergence setup.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Dec 29, 2008

MNfisherman

Nate Stansfield

  • 11896 Answers

SOURCE: my jvc-hd52g886 has a bad picture where black shld

A projection tv that has color issues is usually due to bad ballast which is attached to color wheel which you should also look at to make sure the colors are not mixed together and wheel is not warped.

Posted on May 10, 2009

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Jvc lt-47em59 picture too large in all aspect modes

Larger as in -- the screen looks fatter. 4:3 stretched to 16:9 or as in Larger as in, screen is longer but thinner? 16:9 / 10 fitting onto ratio 4:3?

Asuming... its the second one -- that ur screen is box 4:3 and the picture is huge 16:9 which is why u need to "zoom out" to get the full picture -- are u sure some idiot didnt mess with the settings and make the tv "zoom in" if it isnt a aspect ratio issue?

... if it is a aspect ratio issue, and ur using 4:3 (small old box televisions) there should be a ratio setting either on ur television OR on ur set top box, that would by defualt with digital tv have wide screen 16:9 -- id suggest finding the settings either on the tv or the set top box or...

just get a bigger tv that supports 16:9 cheap for 50 bucks.
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you need to change the 'zoom' on the tv by the remote.
Normal mode frames the 4:3 video to the 16:9 picture area by displaying it in its original aspect ratio, with vertical gray or black bars on both sides of the screen. The disadvantage of this method is the fact that the image is small by virtue of not using the entire width of the screen. This is also known as the 4:3 mode.
Full mode Full mode horizontally stretches the 4:3 video evenly across the entire width of the screen. This is the proper mode to display anamorphic video. If used for standard aspect ratio video, everything on the screen will appear wider than normal. Contrast this with anamorphic video displayed without processing on a 4:3 display, in which people on the screen will appear taller than normal. This is also known as the 16:9 mode.
Zoom mode Zoom mode evenly stretches the picture both horizontally and vertically, until the picture fills the entire width of the screen. This crops out the top and bottom of the picture. This mode is used for letterboxed and open matte video.
14:9 mode Main article: 14:9
In 14:9 mode, the picture is magnified more than in Normal mode, but less than in Zoom mode, while retaining the original aspect ratio.
Wide Zoom mode Wide Zoom mode, also called Just mode, Horizon, or Smart Stretch, progressively stretches the picture horizontally, less in the middle and more on the edges. This allows normal aspect ratio video to be displayed across the entire width of the screen, with minimal cropping, and with much less of the unpleasing visual stretching effect of Full mode.
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It's probably an issue of the "Aspect" or the "Screen Mode" you're in. I'm no TV repair expert, but if you look in your Main Menu for "Screen Mode" or even your remote might have a button labeled "Asp" or "Aspect" or "Mode"....or even "Wide" (which when pressed repeatedly will cycle through the most common 4 screen modes = Wide, Screen Fit, Zoom, 4:3.) The last one refers to the ratio aspect, but depending on your TV, they could be named differently.
Given your description, it seems you're in "Zoom" mode, since it's cutting off the edges of the picture. Put it on a station like CNN, which has a streaming ticker at the bottom and cycle through the options you have until you find the one you prefer. (Note: you should also be able to set this in your Main Menu somewhere as your preferred view, but some shows and movies might come through as full screen or 'Letterbox' regardless of your preference.
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Press "wide mode" on TV remote until it is on "full". Check for same on set-top box.
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Hi!

Found some relevant info on how to adjust your video settings... You might want to give it a try!

Thanks! =)

4.12 PC Input Picture Adjustment
The Picture Adjust menu operates in the same
way for the PC Input as for the DTV / TV input in
section 4.2 for Backlight, Contrast, Brightness and
Color Temperature.
4.12.1 Auto Adjust
When the MENU button is pressed, the On Screen
Display (OSD) appears on the PICTURE ADJUST
page. Press the button to highlight the Auto
Adjust selection.
Press the button for the LCD HDTV to adjust to
the PC signal timing automatically.
4.12.2 H-SIZE
Press the button to highlight the H-Size selection.
Press the button to start adjusting the horizontal size of the picture. Use the or button to adjust
the horizontal size.
4.12.3 Horizontal Shift
Press the button to highlight the Horizontal Shift selection.
Press the button to start adjusting the horizontal position of the picture. Use the or button to
adjust the horizontal position.
4.12.4 Vertical Shift
Press the button to highlight the Vertical Shift selection.
Press the button to start adjusting the vertical position of the picture. Use the or button to adjust
the vertical position.
4.12.5 Fine Tune
Press the button to highlight the Fine Tune selection.
Press the button to start tuning the to the PC signal. Use the or button to adjust the tuning

4.14.1 Understanding Viewing Features
Your LCD HDTV features four viewing modes and Picture-In-Picture (PIP)/Picture-by-Picture (POP) mode.
You can switch viewing modes using the remote control.
4.14.2 Viewing Modes
Normal Mode
The original 4:3 aspect ratio (1.33:1 source) is preserved, so black bars are
added to the left and right of the display image. Standard TV broadcasts are
displayed with a 4:3 Aspect Ratio. Movies in 4:3 Aspect Ratio may be referred
to as pan-and-scan or full frame. These movies were originally filmed in 16:9
(widescreen), and then modified to fit a traditional TV screen (4:3).
Wide Mode
When watching a standard broadcast or full-frame movie in this mode,
the display image is stretched proportionately to fill the TV screen.
When watching a widescreen (1.78:1 source) program or movie, the
display image fills the TV screen. If you are watching a widescreen
(1.85:1 or 2.35:1 source) program or movie, there will still be black
bars at the top and bottom.
Zoom Mode
When watching a widescreen (1.78:1, 1.85:1, or 2.35:1 source)
program or movie, the display image is zoomed proportionally to fill the
width of the screen. The top and bottom are cut off to remove most of
the source material’s black bars. This mode is good for programs or
movies with sub-titles.
Panoramic Mode
When watching a standard broadcast or full frame movie in this mode,
the 4:3 Aspect Ratio (1.33:1 source) display image is stretched
horizontally on the left and right sides to fill the TV screen. The center
of the image is not stretched.

Note: Viewing modes are saved based on input. For example, you lasted watched a DVD in widescreen
mode and then watched TV in standard mode. When you switch back to DVD input, the viewing mode
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Widescreen

Unfortunately, a cinema screen is even wider than a widescreen TV. Because of this (in order to keep the original aspect ratio), even with a widescreen TV you still end up with the black bars top and bottom.

Check the aspect ratio of the DVD (Should be printed on the back of the case somewhere).

Unless it says 1.85:1 or 16:9 Anamorphic, you will get the black bars. (Many films on DVD are 2.35:1 or even wider!)

Have you got any different picture modes on your TV. I've got a Toshiba and it has something called 'cinema mode' which does eliminate the bars. Unfortunately it does it by zooming in on the picture slightly, so you loose a bit off the side of the picture and the image does get a little grainier.

Hope this helps.

Matt
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You should have a button or setting on the remote that says "picture size" or "aspect". One of those is set too "zoom" mode which will cut off the bottom and top of the frames. You want it to be in 16:9,Normal or Full mode (or whatever your set call it) to get the correct aspect. Or if you have a HD satellite rcvr. you might of placed it in the zoom mode as well.
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