Question about Hitachi P50H401 50 in. Plasma HDTV

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My Hitachi P50H401 does not turn on??

My TV does not switch on, when I turn the TV on, the TV comes on for about 2 seconds then the blue power light comes on and next the light blinks red and turns off with the red light continuously blinking but no picture or sound. This happens every time I turn the TV on. I have to unplug the TV in order for the light to stop blinking. As of yet, 3 weeks, it still does not work. Can you tell me what might be the problem.

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  • Hitachi Master
  • 34,188 Answers

Failing power supply

Posted on Jul 13, 2017

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6ya6ya
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Posted on Jan 02, 2017

Fujitsu
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SOURCE: hitachi power light blinking

You have problems with the SDR Printed Circuit Boards

You need change them

Posted on Nov 28, 2008

ginko
  • 19396 Answers

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

  • 197 Answers

SOURCE: flashing blue light error code reset?

bad main pcb

Posted on Jun 07, 2009

  • 1 Answer

SOURCE: 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?

Posted on Jun 15, 2009

  • 8457 Answers

SOURCE: I have the same problem blue power light blinks 3 times

Ur power board inverter is dead.
U need a new board.

Posted on Aug 20, 2009

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1 Answer

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 .

Jul 12, 2012 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have a hitachi 50 "plasma that was given to me


First do you see a light indicating that the TV has power? There are two power buttons on the TV (the main power and the regular power button). The red standby light will light up when the main power switch is on. This indicator is just to the left of the remote I/R sensor. You can find the main switch on the bottom front of the tv (it is under the tv forward of the stand). Turn on the Main power if it is not on. Then try the power button on the control panel of the TV again.

Does the standby light change color or blink? (Red is standby, orange is power savings (no signal), blue is on.) If the main switch is on and the standby light doesn't come on, the TV has a problem at the power supply. Try unplugging the unit for a bit (at least 30 seconds) and then plugging it back in. This will reset the internal circuitry. If you see a blinking light, then the TV is reporting a self-test failure. I do not know the codes for this model Hitachi Plasma TV.

The manual for the Hitachi P50H401 TV is available from Retrevo: http://www.retrevo.com/support/Hitachi-P50H401-TVs-manual/id/1233ci869/t/2/ . You will need to enter a code to access the pdf.

I'm assuming you don't have one of the special versions that were intended for large audiences that were only controlled by remote (no control keys on the front of the TV). Remotes.com has the original remote or a substitute remote if you need it. See http://www.remotes.com/remotes/servlet/rs?a=gmi&uuid=13104063628240&smodel=P50H401&brand_pn=HITACHI_P50H401 .

I hope this helps.

Cindy Wells

Jul 11, 2011 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

The blue power light just blinks and the screen does not come on.


turn tv on and screen does not come on power blue light blinks three times.

Jan 22, 2010 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have the same problem blue power light blinks 3 times


Ur power board inverter is dead.
U need a new board.

Jul 17, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hitachi Plasma TV model P50H401


I think you have problems with the digital main PWB.

If the power PWB failed, turn off and change the pilot ligth to red.

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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. :(

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Feb 07, 2008 | Hitachi P50H401 50 in. Plasma HDTV

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Hitachi HD 1080 has blue power light on but no picture


Press the reset button...it's on the bottom to the right (underneath the TV). Same thing happened to me.

Feb 07, 2008 | Hitachi P50H401 50 in. Plasma HDTV

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