Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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Black opaque line or bar

I have a black opaque line or bar 1/4 to1/2" wide and 6" long going from left to right and downward at the bottom left corner of the tv. looks like it has dripping marks on the bottom side if you look at it from an angle. my 3 year old may have sprayed it with a water bottle today. but, not sure if this could be caused by moisture. any ideas?

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If its is viewable when off then yes its water or oil.between the screens.these screen don't normally come off from the front.
they have to be access from the rear.
could be big job.
only way to tell is to remove the rear cover.

Posted on Apr 13, 2008

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Posted on Jan 02, 2017

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Youtube on my vizio 470i tv is off centered


CHANGING THE SCREEN ASPECT RATIO: ( From Manual )
The TV can display images in four different modes: Wide, Zoom, Panoramic, and Normal. Each mode displays the picture differently. To change the screen aspect ratio:
1. Press the MENU button on the remote.
2. Use the Arrow buttons to highlight the Wide icon. Press OK.
3. Use the Arrow buttons to highlight your desired screen mode and press OK:
• Normal preserves the content's original aspect ratio. Since the 4:3 aspect ratio is not large enough to fill the TV's screen, black bars are added to the left and right of the display image.
• Wide stretches a 4:3 aspect ratio picture to the edges of the screen. Since the picture is being stretched, the display image may appear distorted. If the program is already formatted for widescreen viewing (1.85:1 or 2.35:1), then black bars will appear on the top and bottom of the display image.
• Zoom expands images with black bars to fit the screen.
• Panoramic expands the display image to fill the screen.
images may appear wider than intended.
If you are watching widescreen (1.85:1 or 2.35:1) content, black bars will still appear on the top and bottom of the display image. This option is only available when the TV is displaying a 480i/480p source.

Apr 25, 2014 | Vizio Televison & Video

1 Answer

Vertical black bar on my LG 47" LCD shifting the image to the right


Two possibilities are there. The first one is, with loose LVDS cable, that connects the T'Con board to display panel. The second is the fault with its main digital processor board.
http://electronicshelponline.blogspot.com/

May 21, 2013 | LG 47LC7DF 47 in. LCD HDTV

1 Answer

Big black square in middle of screen picture top to bottom about 36 " wide good audio and picture 6" on right and left side displaying.


If you have tried using different input devices, looked for loose contacts
in power outlet, RC Jack, cable and connectors, the TV might need service.

Aug 26, 2012 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

Galaxy dx99v, bad squeal when I key the mic


Your microphone wires may be shorted take the mic plug apart (small screws) Now check for frayed wires touching or twisted together!
With the wires being resolderd or taped apart put back together
with the U pointing downward you shout have :
Right corner bottom Sheild ground!
Left corner bottom Black recive
Right corner top White or yellow this is Audio wire
Left corner top RED Transmit or PTT wire

If wiring looks good the problem is in the Mic take to servicer!

May 09, 2010 | Galaxy Radios DX-99V 40-Channels Base CB...

3 Answers

A black line running verticall down the middle of


There is no invertor board on a plasma tv. The fault is the X address buffer board. This is located on the bottom of the screen and runs horizontally the whole width of the screen. If you remove the heatsink plate that covers the x address boards and you need to look at the screen ribbon at the same position as where the bar is (in the middle).Vary gently lift the Xbuffer ribbon lock and gently take out the ribbon.Clean the contacts very carefully with a fibre pen or an electrical cleaning fluid.Insert ribbon back and heatsink and check.Here is a picture of the board and ribbon
03d317b.jpg

a 1 inch bar is associates with 1 ribbon fault. So if the bar was 3 inches in from the left of the screen, the faulty ribbon will be 3 inches in from the right working from behind the TV. If cleaning dont cure the fault, then the Buffer IC will be blown and order a new centre buffer board (you can buy off Ebay)

Feb 17, 2010 | LG 42PG20 42 in. Plasma HDTV

2 Answers

LG RU-42PX11 42 plasma TV has black bar


The screen does not work properly .Ribbon wire fails.

Mar 31, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Black Bars each side of my new monitor wide screen


Right Click on an open spot on your desktop.

If your Operating System is Windows XP, choose Properties from the menu box that pops up when you right click.

A new window will open up. Click the Settings tab at the top right.
On this menu you should see a slider bar near the bottom left under "Screen Resolution". Left Click and hold the mouse button on the grey button and move it on the slider bar over to the right one spot. Then click the Apply button on the bottom right of the box. The screen may flicker for a second and your desktop will change size. If the screen covers the whole monitor and the black bars are gone, that may be the correct resolution. Click OK on the box that has a timer and is asking if you want to keep the screen that size. If the screen does not look correct, click No and you may need to slide the button one more spot over and try the next resolution and Apply until it looks correct.

Under the slider bar as you move it over a line at a time will be 2 numbers like this 1024 X 800, and when you move the bar over the numbers will change. I believe the optimal resolution setting numbers for the 20" monitor you have should be 1680 X 1050 for the widescreen. You may want to try that setting. If it looks too small, try sliding the bar to the left and try each resolution setting.

Here's a screetshot of what the Box with the slider bar looks like: http://technophobik.co.uk/vxp_control_panel/f007_settings.asp

If you have Windows Vista, (it is similiar to XP):

Click the Start Button and click Control Panel in the Start Menu
Click Appearance and Personalization in the new window that opens up.
Click Personalization, then click Display Settings at the bottom
A new box will pop up with the grey button on a slider bar near the bottom left under "Resolution" Slide the button to the right to the next line one spot over on the slider bar and then click the Apply button. The screen may flicker and change the size of your desktop. Click OK if the screen looks correct or click No if it doesn't look correct and try sliding the button over one more line.

Jan 21, 2009 | HP W2007 LCD Monitor

1 Answer

Green vertical lines on the screen


Sounds like you may have some bad filter capacitors in the convergence board. Better take a close look at them before they damage the chips. Good Luck
Ed
NC Electronic
Mills, Wyoming

Nov 15, 2006 | Hitachi 42V710 42" Rear Projection HDTV

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

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