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Re: TV does not turn on
You have a short in your unit somewhere or a high voltage problem. The most common problem would be a high voltage failure. If you are not familiar with televisions and their safety this is best left to a repair shop. There is not much in a TV that consumers, unfamiliar with the system, can check. The problem should not cost too much to fix. Check for a shop which has a free estimate or low estimate which will be subtracted from the cost of the repair if you choose to have the unit repaired there. Good luck.
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You have a bad panel (TV SCREEN). The LEDs are not coming on. You will have to replace all LEDS, and this can be very time consuming. The LEDs can be tough to find and buy. Many TV parts store are out of stock. Thanks for asking, Matt of Martins TV.
3-blinks by the SONY TV error code indicates that there is an audio circuit problem, ether is a shorted audio amp IC on the main board, or the power supply that supply the power to the audio amp section is defective.
While working it stops and flashes red approximately
2 seconds interval Causes Protection circuit is activated
depending on the temperature of the surroundings Remedy Switch off the power supply and power on
after the temperature have reduced. While working it stops and flashes red approximately
0.5 seconds interval Causes 1.Using speakers having less impedance
than the specified. 2.If speaker core wire touch each other Protection
circuit is activated Even applying power red flashes 0.5
seconds interval Cause Amplifier circuit has failed Remedy Switch off the power and contact denon
Check the Lamp if no picture, audio may be present. Screen is completely dark. Lamp LED
flashes 2X every 5 seconds, Power LED flashes GREEN for 140 seconds then
flashes RED. Check the ballast if no picture, audio may be present. Screen is completely dark. Lamp LED
flashes 3X every 5 seconds, Power LED flashes GREEN for 140 seconds then
MY philips tv model number 55PL9773/17 WAS TURNING OFF THE SCREEN AND LEAVING THE AUDIO ON FOR ONE MINUTE. THEN THE YELLOW LIGHT STAYED ON. THEN THE LIGHT TURNED OFF. thEN I TURNED ON WITH THE REMOTE AND THE YELLOW LIGHT TURNED ON AND A FEW SECONDS LATER CHANGED TO THE GREEN LIGHT AND THE TV TURNED ON. AFTER A FEW MINUTES, BETWEEN 10 AND 30 IT DID THE SAME THING. NOW IT IS OFF WITH A BLINKING RED LIGHT PERMANENTLY ON. TO TURN IT OFF I HAVE TO UNPLUG IT FROM THE WALL. I REPLACE THE LAMP A FEW WEEKS AGO AND IT IS FINE.