Question about Hitachi Televison & Video

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Hi. I bought a hitachi 55 inch tv and I lost the picture. Still have sound and it passes the flashlight test. Its model #le55a6r9a. I was just wondering what the voltages on cn202 and cn203 should be. Thank you.

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  • George Lazarz Feb 13, 2018

    Actually, I checked all the voltages and there was one reading that seemed to be high. I think what might have have happened was a couple of diode's blew and that caused the others to get overloaded. So I replaced the strips and it worked. It was a pain in the neck but it was worth it.



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  • Hitachi Master
  • 440 Answers

It is a common problem for a defective LED back lights ASSY.

Posted on Jan 16, 2018

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  • Richie T
    Richie T Feb 13, 2018

    I have the same issue with my Hitachi LE55A6R9A. No picture, have sound and passes flashlight test. I see no LED backlights whatsoever. What are the chances all the LED strips failed at the same time or would the issue more likely be on one of the boards? I would be more confident in replacing one of the boards but not diving into the LED replacement.

  • City View TV & Computer, Inc.

    You may change the LED strip board, or the individual LED diodes.

  • Richie T
    Richie T Feb 14, 2018

    So you think the issue would indeed more likely be the LED backlights and not one the boards (power, main or Tcon)?

  • City View TV & Computer, Inc.

    Yes Richie. We see a lot of this problem of this Hitachi.

  • George Lazarz Feb 14, 2018

    I also noticed that the l.e.d. backlight setting on this t.v. sometimes defaults to 100%. That might be a reason why it's burning up l.e.d.s so quickly. I have mine set to 28% and still looks bright.

  • Larry Feb 14, 2018

    Congratulations for getting them changed, a lot of people have tried and messed up the panel in the process, yes drop the backlight setting down to as low as you can set it and still get a decent picture that will prevent this from happening again

  • City View TV & Computer, Inc.

    Yes, turn the back lights brightness level down to prolong the life of the LED.



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