TV worked great then all of a sudden no video or audio(black screen). Press Power button and light turns red and you here a click in the rear of the tv and then nothing. I am not getting any blinking like others have commented on and I have checked all of the fuses that I can find. I am still searching for schematics. I have looked over the boards and don't see anything fried at all. Any help or suggestions would be very much appreciated.
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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Main board is bad since it works with both video and audio. Ur backlights are ok so that omits the inverter board. And the T con board is for video only - since you have hassles with audio and video that leaves the main board. Do not think it is the power supply since your inverter board is powering up the back lights.
Note: How to reset video output settings
If you are attempting to change to an HDMI cable from a different video cable or if the video output settings do not match those required for the display in use, the screen may stay black. If the screen stays black for more than 30 seconds, you may need to reset the video output settings of the PS3.
To reset video output settings:
Turn the PS3 system off by holding the Power button on the front of the console till you see the power light turn red.
Then hold the power button on the front of the console for at least five seconds until you hear a second beep to turn the system on again. The video output settings will automatically be reset to the standard resolution.
TV "Input" or "Video" channel for the HDMI port
You need to know the TV "Input" or "Video" channel for the HDMI port on your TV. For instance, if your TV has multiple "Input" or "Video" channels, (i.e., "Input 1", "Input 2", "Input 3", etc.), you will need to toggle through each "Input" channel on your TV until you find the correct channel that displays the HDMI picture. This is important to remember, especially if you do not see the HDMI picture after you connect the cable and configure the PS3 settings. Please refer to the TV instruction manual for more information.
Turn OFF the PS3TM system using the [MAIN POWER] switch (in the back)
Unplug the AC power cord from the electrical outlet
Turn OFF and unplug the TV
Connect one end of the HDMI cable into the [HDMI OUT] port on the back of the PS3 system. Connect the other end of the HDMI cable into the [HDMI Input] port of the TV or display monitor.
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Plug in the AC power cord by connecting one end of the AC power cord into the [AC IN] port on the back of the PS3 system and the other end into an electrical outlet.
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Press the [MAIN POWER] switch on the rear of the system. A red light should appear on the front of the system indicating power is available.
Turn on the PS3 by pressing the touch-sensitive [On/Off button] on the system front. The red light will turn green, indicating the PS3 is now turned on.
Note: The blue light will also appear on the front of the system if you have a disc inserted.
Plug in the TV and turn the power on. The PS3 should detect the HDMI display device automatically. When prompted, "Do you want to output video and audio using HDMI?", select YES and press the alt="X button icon">button. (You may need to press the PS button on the center of the SIXAXISTMcontroller to enable the controller first).
The next screen will ask, "Do you want to automatically switch to the optimal setting?" Select YES and press the alt="X button icon">button.
On the next screen, the PS3 will display the maximum resolution capable on the display (i.e., 1080p). The screen will display, "Do you accept the setting?" You will have 30 seconds to confirm your answer.2 Select YES and press the alt="X button icon">button to save your settings. You have now completed the HDMI installation.
When was the projection lamp last change?If the tv,projection lamp inside the tv at last change was 1/ 1/2 or 2 years ago,and the tv is on,an in use at lest 4 or 5 hours day.The projection lamp life,it over should be change the projection lamp.Now tv turn on LED light "LAMP" indication light up or flashes?Yes,the projection is dead,hear alot of clicking too?The Ballast board it also dead,should be change too.The Ballast board,this board job,it help to ignite the projection lamp.