Question about Hitachi P50H401 50 in. Plasma HDTV

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Hitachi P50T01U tv Blue light flashes 4 times pauses then repeats itself is the tv done for or is it worth fixing?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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ginko
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SOURCE: HITATCHI ULTRAVISION P50S601...POWER LIGHT BLINKING...WONT COME O

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on May 22, 2009

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dsacco86
  • 1077 Answers

SOURCE: blue light flashing 4 times

Sounds like it started "Protection Mode" because of a failed electronic part inside the TV. I don't have the actual Service Manual for your TV to tell you what the code means. Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The common part to go bad for flat panel screens circuit board that powers the screen. Most manufactures call it a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.

You have a few choices:

1. You can again try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.

2
. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, schematics, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15 by searching on the internet with the part number.


I hope I shed some light on the subject for you.

Posted on Jul 21, 2009

  • 9 Answers

SOURCE: hi,i have an hitatchi p50t501

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

  • 1 Answer

SOURCE: hitachi power light blinking

Does anyone know how to fix this very common Hitachi problem without paying a repair man? And if you did pay a repair man did they fix the problem, and how much was it? I absolutely LOVED this TV before this happened. :(

Posted on Aug 07, 2010

  • 32 Answers

SOURCE: MY 50 inch Hitachi TV wont turn on and the on/off

Unfortunately, this indicates a technical fault with the TV which can only be fixed by a service engineer.
If the light is blue and blinks 3 times, it is indicating a fault with one (or both) of 2 circuit boards inside. They are the XSUS or YSUS boards and will possibly need replacing.
At least knowing this might help you ascertain a quote as too how much the repair will cost.

Posted on Jun 09, 2011

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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.

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most likely the part inside the tv has gone bad as you said that you heard a pop and this lead to take the tv to a technician.

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Led light flashes 4 times, pauses then repeats


Which light blinks 4 times and pauses wash normal heavy etc if the model in the blue box is correct the to enter diagnostic press any 3 keys within 8 seconds I usually use normal and the 2 keys to the right all lights should light up if touch pad is up top where you had to open door to accomplish this then close the door after a pause the clean light will begin to flash example 7 flashes pause 1 flash these are your fault code it will do this 3 times for each code. The tech sheet should be behind the toe panel located below the dishwasher door which just repeats what I explained.

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My television turned itself off and will not turn back on again, the blue light is constantly flashing.


Hi


How many times does the light flash... i.e. flash flash flash flash flash...pause, then repeats?


If you include the make and model of the TV in your reply this would be helpful.


Regards,


HillElectronix

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My sony trinitron turns off by itself and then the stand by light blinks five times then pauses for like 4 seconds then flashes 5 times and repeats


Hi,
This is picture tube related problem and we call it incorrect white balance.
Adjust Screen Volts of picture tube and control knob wold be located on flyback transformer. If you have knowledge about tv and know that tv contains high voltage and you can take care of that then do it yourself or ask local tv repairman to fix it.
Thanks.

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1 Answer

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...


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.

Aug 15, 2009 | Hitachi P50T501 50 in. Plasma HDTV

1 Answer

Error Code: Blue light flashes 4 times


Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. Or, something simple like a blown fuse inside the TV. The most common board to go bad is the Backlight Inverter Board. It what supplies power to the screen. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

Jun 08, 2009 | Samsung SP-S4243 Television

3 Answers

HITATCHI ULTRAVISION P50S601...POWER LIGHT BLINKING...WONT COME O


The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Feb 25, 2009 | Hitachi Ultravision P50S601 50 in. Plasma...

1 Answer

Blue power light blinking 3 times


I am having the same problem, what was the solution to this problem? And how much did it cost to fix it?

Jun 21, 2008 | Hitachi P50T501 50 in. Plasma HDTV

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