Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

2 Answers

Problems with projection screen

I am having a problem with my 51 inch Hitachi projection screen tv. It was turning off and on and now it will not come on at all. The red light on the front of the tv is on but it has no picture or sound.Like I said its like its not even on and its only 1 year old.

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  • mandy_smalls Mar 29, 2009

    Hello I bought a new power deflector circuit board and there is 3 red wires that I have to hook up to it. I know where they go but I dont know the order they are hooked up to the tubes I believe but I just dont remember the order and they have no writing on the wires to even tell me the order....

  • mandy_smalls Mar 29, 2009

    I have a Hitachi 51F59A 51 inch projection screen and I replaced the power deflector circuit board and it has 3 red wires to hook up to it. I know where they go but I dont remember the order that they went in..There is no writing on them to tell me which order..They are coming from the tubes in the tv...Somebody please help me......

  • mandy_smalls Mar 29, 2009

    I am not sure what part number you need... It is a big black box and has 3 holes on top of it to put the red wires in it... But it has alot of numbers so I am not sure of which one you want.....

  • mandy_smalls Mar 29, 2009

    Here is a number off of the board DP65G 385536

  • mandy_smalls Mar 29, 2009

    Can Somebody PLEASE HELP Me With This PROBLEM!!!

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2 Answers

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  • Hitachi Master
  • 19,396 Answers

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 on dvd with no receiver box 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 Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic chargesaccumulating on capacitors, or because of a wrong voltage read by themain chip on your monitor controller board. this started the protectioncircuit.

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 occurr 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 statebecause of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement 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 Mar 29, 2009

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  • Master
  • 3,614 Answers

Hi there,

this can only be a problem on the power board, theres a faulty capacitor on the power supply area of your set, better check for any damaged and burn resitor,capacitor, fuse on the powersupply area.

Hope this initial info / idea helps you on your problem.

Let me know, if you need more assistance.

Accept my solution if this one help and solve the problem

Cheers!
micro~

Posted on Mar 29, 2009

  • micromaster
    micromaster Mar 29, 2009

    may i know exactly the part # of the power deflector??

  • micromaster
    micromaster Mar 29, 2009

    i want to know exactly what the part # of your defelecton board..

    I DONT WANT TO GIVE YOU A FALSE SOLUTIONS, AND THATS WHY I AM ASKING YOU ALL OF THIS.

    THANK YOU FOR RATING


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