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Black screen, blinking led

The led in the front blinks 3 green 1 red, 3 green 1 red, 3 green 1 red, then continuous green. I'm guessing this is some sort of error code. Measured the voltages from the SMPS, and all seemed to be ok. I also found that the Samsung LNS3251DX/XAA uses the same LCD screen, so maybe solutions for Samsung sets would work on this one?

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  • 4 more comments 
  • Geir Ove Eilertsen Feb 25, 2008

    The model is Videoseven (V7) LTV32DA

  • Geir Ove Eilertsen Feb 26, 2008

    I don't know if this is of any help in finding info for this set, but the lcd-screen is marked LTA320W2-L01 and LTY320W2-L02, the main boards is marked LTV1280H1 Rev.B P/N:511-050-029100 and LTV1280H1_SUB Rev.B P/N:513-230-004000, and the SMPS is marked Kijin Electronics Co. Model: KJP2504B.

    Please dig as deep as you can :-)

  • Geir Ove Eilertsen Feb 26, 2008

    Yep, I have an education in electronics, and soldering and measuring is no problem as long as I get some pointers (first time trying to repair lcd-tv, but I have repaired some older CRTs)

  • Geir Ove Eilertsen Feb 26, 2008

    Can't find anything that would help me repair this set on that page... Just things for sale, and only V7 monitors, not tvs..

  • Geir Ove Eilertsen Feb 26, 2008

    Well, I would really like some hints on what could be wrong too... As the led in front blinks in a specific pattern I think it's a code pointing to what the problem is, but I can't find any info on what it means. As I said: the screen is black, no sound, and it just happened suddenly. Finding parts and changing them isn't the biggest problem, but I really, really need to know which parts to get, since it would be far too expensive to just swap parts until it works...

  • Geir Ove Eilertsen Feb 27, 2008

    This really wasn't the answer I was hoping for. I see your area of expertise is in computers and printers, not tvs, so I wondered if it would be possible for you to forward this problem to one of the TV-experts on this site (I posted this problem in "Flat Panel Televisions"...)?

    As you just have pointed me to some ways to possibly get parts, I don't feel you have provided me with a solution to my question so I will not accept your answers a a solution.

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  • Master
  • 3,587 Answers

Actually, unless the control board is identical(which it isn't) that would be a bit of a stretch.. Let's see..can you let me know what is the model number of your set?

Posted on Feb 24, 2008

  • 5 more comments 
  • Patrick Michaels
    Patrick Michaels Feb 25, 2008

    thanks..let's see....hmmm..ok..will need to go digging on that one..

  • Patrick Michaels
    Patrick Michaels Feb 26, 2008

    ok..that's a good lead. let's see what we can find on a source for those. I'm assuming you have the technical skills to make the swap?

  • Patrick Michaels
    Patrick Michaels Feb 26, 2008

    Don't know where you are, but here's a promising link for you to review.

    click here

  • Patrick Michaels
    Patrick Michaels Feb 26, 2008

    ok..well..then..check out that site, and then perhaps you'll find the parts you need. The change is not that complex, and you'll see how easy it is, once you have all that you need.

    thanks for using Fixya.


  • Patrick Michaels
    Patrick Michaels Feb 26, 2008

    ahah..well..then, seems that the parts will be only available from a licensed and authorized dealer. You can find those at the V7 website.


  • Patrick Michaels
    Patrick Michaels Feb 27, 2008

    I've done as much on this as I know how..the rest is up to you and a qualified service professional

  • Patrick Michaels
    Patrick Michaels Feb 27, 2008

    That's your premise..You can also note that I'm the only one that has provided you with any assistance. Perhaps you'll find more information elsewhere.

    thanks for using Fixya.com

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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.
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Figure 4-3
Figure 4-4
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