Question about Panasonic PT-52LCX66 Projection Television
Previously I have had a great picture, with great colour, on my 51" Panasonic plasma television. It is connected to a digital cable box. Recently, the picture colour has changed. It is now a green and bluish tint. I have tried using the television's menu function to adjust the "coulour" and "tint" settings, but this does not seem to bring it back to its previous quality. My daughter first observed the change in colour. When she turned on the television (and the cable box) she noticed that the "Guide" offered through the cable box was a different colour. She went into the menu functions of the cable box to adjust the colour for the "Guide" and changed the colour to "Sage". She says that this is when the colour for the tv picture changed as described above. Do you have any suggestions as to what might have happened, and how to get the colour to return to what is was before?
Find out what board and circuit is responsible for the color and you have your answer.
Posted on Mar 12, 2017
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Posted on Jan 02, 2017
SOURCE: Convergence Problem?
The convergence IC most likly shorted, and burnt out the b+ feed resistor. There are two IC's inside this set to control the green red and blue convergence. They are most likly STK 392-###. The ### is another set of numbers that change depending on the model of the set. They each have three amps inside each one. You really should have both of the IC's replace with only original parts, as sub parts do not hold up and will not last as long as they should. Both IC's are soldered into place and if you decide to do this yourself, please be aware of the extemly high voltage inside of these puppys. there really are no user replaceable parts inside these sets unless you have solid state repair experience. Not only will yopu need the proper IC's, but you will have to find out what was burning. my best advice, Play it safe and call in a trained tech to assist you with this repair. The price should run someware between 300 to 450.00 to repair. Good Luck Please do not forget to rate this thread.
Posted on Dec 08, 2006
I started back in the day of tubes. A family would have one set and it would be a 19" black and white. There are different resolutions now. The components probably do work, but, they don't pass the 480i signal. The satelite converter's analog signal needs to be set to 480p and the DVD needs to be set to progressive if it does have that setting. If the DVD is not a progressive scan DVD, then, the only inputs that it will show on is the analog signal. Some of the dish converters have a switch on the face for changing the resolution. If yours doesn't then put it in an analog source and go to the menu and change it there. Then move it to the component input. Hope this helps.
Posted on Jun 24, 2007
PLEASE NOTE THIS INFORMATION COVERS PROBLEMS FOR ALL DEVICES CONNECTED UP BY STUPID scart LEADS. I HOPE IT HELPS EVERYONE.
This is a common problem, the problem is caused by the fact your device is connected to the TV via a scart lead. The way it works is this: If you press the AV button on your TV remote your TV will turn over to the first scart channel. If you actively do something on the device connected via scart in this case the dvd player, (this includes things like playing a DVD or Video, or going into a menu), the device sends a signal down pin 8 of the scart lead and turns the TV over automatically to the AV channel, BUT as soon as you come out of the menu or stop the DVD/Video the signal stops and the TV will revert back to the channel it was on.
So you have 3 choices......maybe 4...
1. press the AV button on your TV remote directly.
2. Buy yourself and HDMI lead IF your TV supports it (note: you will have to select the HDMI channel on your TV remote because the auto thing is only on scart leads).
3. ONLY DO THIS IF YOU HAVE A SPARE LEAD look up a diagram of a scart lead on Google so you can find pin 8 and cut it out with a pair of wire cutters. YOU will have to still press the AV button on your TV remote to go to the channel though,
4. Connect your TV and DVD with an aerial lead and tune channel 6 on your TV into the DVD player. ps then disconnect the scart lead.
(Go for choice number one!)
Posted on Jan 03, 2008
SOURCE: No picture or sound
Make sure that there is actualy power going to the AC power source where the TV is plugged in. You can re-set the TV by disconnecting the power for about 10 seconds and then connecting it back again. If the set still does not start it will require service.
If the set is dead it is most likely the main power supply board that failed. The service tech would replace the power supply and also investigate to find the cause of the failure. Sometimes another board could have a failure and cause the power supply to be damaged.
If the set will not start up, it will require shop service. You can call Panasonic tech support to find out the authorised service rep for your area. Check to see if the set is still under warranty. If not, it will be expensive to service.
Posted on Jan 17, 2009
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