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Hi, I have a Hitachi TV.. p50T01E plasma and all that is happening is the blue light on the bottom front panel flashes blue.. I have no sound no picture.. nothing just blue flashing light

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

LG_Authority
  • 65 Answers

SOURCE: mikomi flashing blue light tv will not work

This could be your power DC.

I had the same trouble when I set the tv on its start normal.
but after a few min. the screens falsh on off, on off.

I change the adapter and the problem is solved!
Check this with a other DC power adapter.

I hope this will work. But for me it was the power DC adapter.

Posted on May 08, 2009

  • 197 Answers

SOURCE: flashing blue light error code reset?

bad main pcb

Posted on Jun 07, 2009

jhinsincity
  • 616 Answers

SOURCE: Hitachi Plasma P50S601 no picture sound OK

probably needs new scan drive board along with upper and lower buffer boards. it wont be cheap and its best to have a tv shop do it.

Posted on Aug 30, 2009

jan mczeal
  • 632 Answers

SOURCE: Hitachi Plasma HDTV turns off by itself. indicating lamp flashes.

The unit senses a fault in the power circuit. It is either in the power supply unit (PSU) peripherals or in the PSU itself.

  • One of the peripherals might be loading down the PSU causing it to shutdown.
  1. Check the power input terminals of the peripherals for any short circuit using an ohmmeter.
  2. Replace any part found to be causing the issue.
  • The power supply unit cannot run under load and shuts down. It is usually caused by bad capacitors.
  1. Check the PSU board for any bad capacitor.
  2. Replace bad capacitors with the same specifications.
  3. Make sure to replace the capacitors in correct polarity.
  4. Bad capacitors look like these:3a72a3c.jpg17dffa0.jpg

Posted on Nov 03, 2009

  • 1 Answer

SOURCE: Problem with Hitachi P50H401 Plasma TV - Will not

I have the same model, P50H401 and it developed the same problem two days ago. This set is 2 1/2 years old in service, being purchased in December 2007. The original manufacture date was October 2007.

The set was turned on and operating at the time and then promptly shut down by itself. The front blue LED power indicator began flashing four times in a loop or cycle.

The flashing LED sequence in this instance points to a problem with one of the following boards: PSU, X-Sus, Y-Sus or SDRs (there are two SDR boards, SDR-U and SDR-D, both are connected off of the Y-Sus board on the left hand side of the frame when rear facing). The set shuts down to prevent further damage to other boards or components.

I could power cycle the set but it would shut down after after a few seconds. Power LED would stay solid, I could hear the PS relays switching, and audio would output through the speakers. Then as the screen was just about to illuminate, the entire set would just shutdown. The blue LED would again go into the 4X flashing sequence.

I could not visually detect any signs of severe component damage on the main PS board. The two large electrolytic capacitors which have been mentioned as problematic in other threads seems fine. The where slightly raised on the top surface, but not blistered or completely blown open.

The only indication of component damage that I could detect visually was on one of the small surface mounted ICs on the SDR-U board.

Through reading other posts on this site, I learned that I was able to remove the suspect SDR-U board and then re-power the set. Doing this proved that the PS, X and Y Sus, and the SDR-D boards where o.k. The PS held, and the lower half of the screen illuminated. (I would only do this for as brief a period as required to determine if the the other boards would function and the screen would illuminate. Do not pro-long operation in this state so as to not cause further damage.)

It was somewhat difficult to locate the correct SDR-U board. My local service rep did not have one in stock, and the Canadian parts distributor was also out of stock. They estimated 10 - 14 business days to order one up from the U.S.A. (Hitachi closed their consumer electronics division in Canada back in 2009.)

By chance, I checked with another service rep in an adjacent town. He had a board for the P55. We did a visual comparison on the two boards and determined that it would be compatable.

The easy part was removing the defective SDR-U board and installing the replacement. The hard part was re-alinging the three ribbon tabs into the respective connectors on the SDR board. Be careful with these ribbons. The other end of each is fused to the plasma panel screen, so if you damage them, your screen is rendered useless.

I initially had the same problems as others have posted with having black or gray lines on the screen when the SDR-U was replaced. After gently adjusting the position of the ribbons as they are seated in the connectors, the lines disappeared. This was a slow and frustrating procedure, but it worked, Be patient.






Posted on Jul 03, 2010

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1 Answer

WHY WON'T MY HITACHI PLASMA TV SHOW PICTURE OR SOUND? WHAT DOES THE BLUE LIGHT ON THE FRONT FLASHING 4 BLINKS MEAN?


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Aug 31, 2016 | Hitachi Televison & Video

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Hitachi ltd tv plasma the other nigh it went black and the blue power light flashing over and over


Hitachi 42" plasma TV all of a sudden death. Power failure, no lights on the front panels. No signs of life.

Found solution through my very honest repairman called Johnny's TV Repair in Hollywood:


There is a kill switch to protect against power surges. Located under the bottom edge nest to where the cable goes in the body, all you have to do is press it back in and voila; LET THERE BE LIGHT and probably save yourself a min $200 trip to the repair shop. Of all the places my friend called non mentioned this switch so next time you have TV problem and can't fix yourself go to this guy if you're in Los Angeles. Johnny's TV 4452 Melbourne Ave Los Angeles, CA 90027 (323) 660-9900

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Hitachi Ultravision tv model number: P50S602 When I turn it on the blue power button comes on and the sound comes on for about 2 seconds then the sound turns off and the blue light flashes three times...


Lights flashing is code talk .So call a TV repair guy and ask him good one will tell u what the light code means over phone cause he'll wanna sell u parts or get your business for service .

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Hi I have an Hitachi model P50T01E for 2 years and suddenly after power on the blue led starts blinking 4 times then stops then blinking 4 times and so on and there is no sound and no picture


Hi the blinking is a code that tells you what is wrong with your TV. The service manual has a chart that tells you what the sode means and teh most likelly problem with your TV.

You can get parts at www.interliquidparts.com

Nov 29, 2011 | Televison & Video

3 Answers

Instuction maual for hitachi plasma tv model no P50X01AU


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    My 50 inch Hitachi plasma 1080 tv has a blinking blue light and screen is blank when powered on.


    my hatachi hd/1080 tv has a solid blue light on and it wont turn on i push the reset button on the bottom right and it still wont turn on

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