Question about Hitachi P50T501 50 in. Plasma HDTV

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Hi,i have an hitatchi p50t501 plasma and i just put in on and everything was fine,then i put it on video 1 to put on direct tv, then i put it back on cable left the room and the tv light keeps blinking blue and no picture, i unplugged the set waited 30 seconds the red light went on meaning the power is off then i put the power on with the remote the blue light went back on but did not make the clicking noise that it usually does,i started to hear the station then nothing and the blue light started flashing 4 times then pause then 4 times then pause etc... please help!!!!!thanks, paul

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  • 9 Answers

The Blue Blinking Light Hitachi.

When the light blinks 4 times it means you can possibly have 4 problems with your plasma.

1. X-Sus
2. Y-Sus
3. Power Supply
4. Sdr U or D

A good way to determine if you can fix this problem yourself is if you can build a PC. If you cant this can cost you upwards of 600$ to fix.

First get a flat area and lay a soft blanket down and lay your TV down so the back is up. Then goto your PC and goto Google and type "P50T501 Service Manual .PDF" you can buy it or if you look hard enough you can get it for free. Next in the service manual it will have a diagram of the Circuit Boards and their locations. Take the back off your Plasma and check the 4 boards. Look for burn marks, cracks, smoke mark. Take your time and look closely. When you find the broken boards unplug it and take the part number and find the replacement online. Plug it in and you should be good to go.

When i had 4 blinking lights i had to change my SDR U and D boards. They cost 100's a piece for Refurbished boards. Keep in mind im a contractor not a techno geek, and i was able to diagnose and fix my problem rather easy.

Posted on Aug 26, 2009

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Posted on Jan 02, 2017

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