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A large black circle appeared at the top of my TV screen. I powered it off and unplugged it for several hours; Now the circle has bled a teal blue color, and coloured lines have formed running straig

A large black circle appeared at the top of my TV screen. I powered it off and unplugged it for several hours; Now the circle has bled a teal blue color, and coloured lines have formed running straight down the middle of the screen. The circle is black when the screen is showing a white image, and the circle is gray when screen is black

Posted by Larry Rainey on

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James W. Barclay

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  • 28 Answers

Nice joke. "The Passionate Eye", eh? Funny. But its only a few days to April Fools Day. Why not start early and have a little extra fun"?

Posted on Mar 18, 2013

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Anonymous

  • 579 Answers

SOURCE: theres a line threw my tv.

It has a problem in the vertical sweep circuit that puts a nonlinearity in its output and you see the glitch in the normally gradual sweep as a line. Since a hit upside the set seems to help, you should just resolder the whole vertical circuit area (doesn't take long) and see if that cures it. If not, start replacing the electrolytic capacitors in that area.
Hope Ya Fix It!

Posted on Jan 08, 2008

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Anonymous

  • 1284 Answers

SOURCE: line across top of screen

If the picture is ok otherwise then only thing that probably needs to be done is a vertical height adjustment. That is if the lines never changes position from cold to hot.

Posted on Feb 27, 2007

Anonymous

  • 146 Answers

SOURCE: TV Keeps flashing Fuzzy black and white static then the picture appears

The half picture is a verticale problem. This is difficult to repair. Send to a repair shop.

Posted on Nov 15, 2008

Anonymous

  • 1 Answer

SOURCE: DLP HL-R5067W

Your model has a maximum resolution of 720p. What you might want to do is make sure that both your cable/sat box and game stations are outputting at no more than 720 resolution. It's easy to assume that all HDTVs may accept a higher signal, and while they might, some of the scene changes or handshakes may make that operation cause the symptoms you describe.

Posted on Jan 27, 2009

Anonymous

  • 1 Answer

SOURCE: Intense white & coloured horizontal line on black background on startup

I wouldn't attempt as the capacitors on a tv store around 25000 volts this is more than enough to kill you and they keep there charge even when the tv is off. Either take it to a repair shop or put that money towards buying a new tv - Do not even attempt to open the tv. (It sounds like maybe a tube has gone or the electromagnet that makes the beam move vertically is gone.

Posted on Feb 05, 2009

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LG 50PZ750-UG Intermittent picture and sound.


It is likely the best thing to do here money wise is replace the TV.

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How do I reset my Sanyo 24K50 it appear blue screen and says locked.


First just hold the power button for 5-10 seconds and the television will automatically restart.

If the lock is still on you should unplug it and remove the battery from the back panel.

Leave it for an hour or so then wait several hours before you reconnect the plug.

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Scepter 32". Received this for Christmas 2012. It's worked beautifully up until about a month ago. When you turn it on the blue light comes on but nothing happens. You can't turn it back off without...


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
It's not unusual for this type of electronics to only last a couple of years.

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Samsung 1080 picture glitching on model # HL61A750a1fx2c Versionre01


If it's all colors (Red, Blue, Green) doing the same thing at the same time, there are (unfortunately) multiple possibilities:

1) the AC to DC power supplies
2) the LED Driver Board
3) DLP driver, or DLP itself

The most likely problem is the DC-DC power supplies, which are known to have capacitors that go bad after several years of operation.

Due to this, there are many sources for either re-capacitor kits (DIY), or rebuilt power supplies with upgraded capacitors.

WARNING - Dangerous, and even lethal voltages are present inside your TV set. Do not attempt this unless you are trained in these kinds of repairs. Leave the TV unplugged for several hours (or preferably a full day) before attempting such.

DIAGNOSIS for bad capacitors: If you inspect the large capacitors on the power supply boards, and they are not totally FLAT across the top surface (if bulged at all), then you need a new power supply or new cap's. Likewise, if there is any leakage from the capacitors (usually a light-yellowish crusty appearing substance), they are BAD.

Sub-power supply:
BP96-01726B ASSY PCB P-SMPS Aquamarin,LED DLP TV,DC2

Main power supply:
BP44-01001A SMPS-DLP TV PN082DPS-VF(A),AC/DC,90V-132

A quick Google search for these part number (BP96-01726B & BP44-01001A) will reveal many sources, and pictures to verify it's what your set has.

1_12_2013_7_27_32_pm.jpg1_12_2013_7_27_48_pm.jpg

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1 Answer

There is no picture


CAN YOU SEE ANYTHING ON THE SCREEN? DOES THE MENU FOR THE TV COME ONSCREEN? IS THERE A BLUE SCREEN AT ALL? I HAVE SEEN MANY CONVERGENCE FAILURES WITH THAT MODEL THAT CAN CAUSE THE TV TO NOT POWER ON. IF YOU TAKE THE BACK OFF YOU WILL SEE A BOARD WITH 2 LARGE BLACK CHIPS LABELED STK392-040 IF YOU UNPLUG THE RED CONNECTOR AND THE TV TURNS ON THEN YOU HAVE A CONVERGENCE FAILURE AND THE 2 LARGE BLACK CHIPS WILL NEED TO BE REPLACED.

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1 Answer

Black screen


Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

I would keep hounding them for the warranty issue. Why do you have to spend a dime if the TV is still under warranty? I would just keep at it.


I hope I shed some light on the subject for you.

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1 Answer

Hitachi 50vs69a blue oval circle in the center of the screen


Just try to reset HDTV. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Regards:
VOTIT

Jul 08, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

LC-32SB24U LCD HDTV... Brand new, just out of box. Turn on, goes to language menu for about 1 second max,too fast to adjust, then screen goes black and little green led power light starts to blink. And...


Good Day, texxastam;

Do this:

1. UNPLUG TV
2. HOLD IN VOLUME DOWN &INPUT buttons on TV
3. Plug in the TV. (the TV will turn itself on).
4. A blue "K" should now be showing on the TV screen, release the buttons.
5. Press and release the VOLUME DOWN & CHANNEL DOWN buttons simultaneously on the TV. (A blue service menu will appear on the screen).
6. Using the remote, press the DOWN SELECT button once. (The highlighted line should read INDUSTRY INT (+CAUSE) OFF
7. Using the remote, press VOLUME UP once (OFF changes to ON).
8. Press ENTER. After a few seconds the screen turns green and shows - Industry INIT success - at the top of the screen.
9. Unplug the AC cord for 10 seconds then plug back in.

Good Luck, big IRISH.

PS; I did not make this up... it's from SHARP> again good luck...you may have to do this several times....too...get the timming down.

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2 Answers

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