Question about Panasonic PT-50LC13 50" Rear Projection HDTV

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Sound but no picture I don't think it is the lamp as the other displays seem to work (i.e. set up, adjusting picture, video and the notations in the top corner indicating RGD, Video, Component, etc.) I have a YouTube video which shows what happens when I turn on the set.

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Well, If you see on-screen display and Menu on TV screen that shows problem is with connections wires of DVD Player etc. Also check Cable connector at rear of TV.
One more trick it to unplug TV from AC outlet for couple of minutes and replug back in and power it up. Hope this will fix TV problem.

Posted on Feb 14, 2009

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    Shahid Electronics Feb 14, 2009

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Can hear sound but cannot see picture


Hi, if your LCD projector turns on and projects light with sound but not the picture on your computer screen, first make sure the projector is plugged into your computer. If it is, check your computer display settings. Go to "Control Panel" and "Settings" or "Windows Setup." Select "Display." Make sure it's set to appear on your laptop screen and the the projector screen. Most laptops have a "Fn" key dedicated to changing the output display setting.


If your projector turns on but emits no light or picture, replace the projector's bulb, often called the lamp. Most have a life of between 2,000 and 6,000 hours. Your projector may warn you when the lamp life is about to expire, although some models simply stop working when the lamp needs replacing.



Thank you.

Jun 06, 2012 | InFocus Proxima UltraLight DX3 Multimedia...

1 Answer

Jvc hd-61Z786 REAR PROJECTION TV . is dark. replaced the lamp. did not help much


all u have to do is to
Reset Picture and Sound Adjustments
1.Press the "Menu" button.
2. Press the "CH+" or "CH-" button to "Reset" listed on the display.
3. Press the "Volume+" or "Volume-" buttons to move left or right to enter your Reset selection. The Reset will reset all of your picture adjustments, including the color, brightness and tint to the default settings. Reset also resets your sound adjustments to the default settings, like the balance, bass and treble.
4. Press the "Menu" button to complete the resetting process

Feb 23, 2011 | JVC HD-61Z786 61" Rear Projection HDTV

1 Answer

The color is distorted and the picture blinks. I've replaced the lamp twice before and i don't think this is a lamp problem.


Projection sets have two very common problems.

The first common problem is convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

May 15, 2010 | Toshiba 52HM95 52" HDTV Projection...

3 Answers

My dlp tv seems to be dimming.. Is that the lamp


it does sound like your lamp is going out. this happens after 2.5-5 years depending on the tv and amount of use. You can find cheap replacments and sometimes can get them a discount if you buy 2.

comment if you need sites or info on replaments

Mar 17, 2010 | Samsung HLR5688W 56" Rear Projection HDTV

2 Answers

How do I get rid of a blank screen on my laptop


You may have a defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net

Sep 16, 2009 | Dell Inspiron 1501 Notebook

1 Answer

Adjusting screen brightness


If you hear the hard drive spinning and you think Windows is working but you can't see an image or a very dim image then :-
You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display or appear black.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

May 20, 2009 | Acer Aspire 5630 Notebook

1 Answer

PT 50LC13. Sound but no picture


Unplug the set fro about a minute or two and see if that clears the error. If you are using a surround amp that yoir video sources pass through before it gets to the tv then make sure that is set to the right input and working properly and finally make sure the source providing the signal is working. If all is good then you have an issue on your main board where the video switching is processed.

Jan 01, 2009 | Panasonic PT-50LC13 50" Rear Projection...

2 Answers

Black screen with a Blinking lamp in the front


Hi..if your lamp is on but no picture, then your lamp is good. Your problem is the DMD board (digital mirror display board) is bad. This is very common with Samsung DLP.

Mar 27, 2008 | Samsung HLR5667W 56" Rear Projection HDTV

2 Answers

WD-52725


if you get a blue screen than your lamp is working fine. blue screen is considered "video mute" it display that blue if the tv thinks there is no video. try to reset the tv by pressing - menu 123 then reset to system defaults.

Feb 21, 2008 | Mitsubishi WD-52725 52". Rear Projection...

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