Samsung Model # LN40B630N1FXZA - turn on and red led flashes continuosly,

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • PDMAN
    Member
    • Aug 2014
    • 37
    • USA

    #1

    Samsung Model # LN40B630N1FXZA - turn on and red led flashes continuosly,

    I got this set and the guy told me that it had bad caps. So i posted about replacement caps and their values.
    There were no leaky caps at all in the set. The guy obviously lied or didn't know what he was talking about. Opened it up today but didn't have my camera. The caps are in great shape and the 1000uf are rated at 25VDC.
    So here are the symptoms. Plug in set. Use remote to turn on. Led blinks continuously. i am able to shut off the set as well from the remote. I did measure 5 VDC standby and it was good. 5.3 VDC measured 5.2VDC and 13 VDC was at ~ 12.90 VDC.
    Turn on signal went from 0VDC to .89VDC.
    What else should I measure and any other things I should check?

    budm wrote back and told me to do this:
    "OK, this power supply-inverter board has built in pull-up resistors for the PS_ON and the BL_ON, so if you remove the cable between the power supply and the main board, when you plug the TV in the backlights should come on right away, if it does, it means the power supply is OK and the problem is some where else.
    So far it looks like the main board is the problem because the PS_ON is only 0.89V (<1V = OFF)."

    Well I think I did this already. The Main board is the one with all the input video connections and such?
    If so, when disconnected and the set plugged in and then turned on, same thing, just the red led continuous flashing. But I will try it again just to double verify.
    So I am starting a new thread here on this problem and added what budm has told me so far.

    Hoping for help from all out there
    Thanks
  • selldoor
    Slow Learner
    • Dec 2010
    • 7870

    #2
    Re: Samsung Model # LN40B630N1FXZA - turn on and red led flashes continuosly,

    It is absolutely pointless starting anew thread for the same thing.
    Following a recent thread on the subject many of are not even going to bother
    looking at threads without pictures. No1 sticky in this forum.
    Please upload pictures using attachment function when ask for help on the repair
    http://www.badcaps.net/forum/showthread.php?t=39740

    Comment

    • PDMAN
      Member
      • Aug 2014
      • 37
      • USA

      #3
      Re: Samsung Model # LN40B630N1FXZA - turn on and red led flashes continuosly,

      Again my apologies as the original posts issues were incorrect. I thought that clarifying the issue with a new post would help. Apparently not.
      As far as pics go I posted in the other thread that I had forgot my camera when I had the set open and would take pics as soon as I could and post them here.
      Again sorry for the mixup.
      Can we get a Mod to delete this post?

      Comment

      Related Topics

      Collapse

      • Egidio85
        Samsung NP750QFG-KA3DE does not turn on , Blue LED flashes 3 times
        by Egidio85
        Hi everyone, I have a Samsung NP750QFG-KA3DE , MainBoard VESTA3-15 BA92-24515A

        the battery is charged. pressing the power button the blue LED flashes 3 times and then stays blue. then the sequence repeats.
        the fan does not start.

        I noticed that I have no power on the processor and it does not heat up. could it depend on the bios?​

        any advice on what to check?
        06-10-2025, 05:00 AM
      • Document Archive
        Samsung Galaxy Book 2 Notebook Specification for Upgrade or Repair
        by Document Archive
        This specification for the Samsung Galaxy Book 2 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Galaxy Book 2 boardview and Galaxy Book 2 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
        09-07-2024, 05:50 AM
      • odie34
        Sony OLED XR-77A80J - 5 Flashes But Turn On After Hard Reset
        by odie34
        I am a hobbyist (not a professional) so please be gentle...

        I recently received an XR-77A80J that wouldn't turn on. (Repeating 5 flashes when plugged in.)

        I did a hard reset by holding the power button for about 30 seconds until the set powered down. I then tried to turn it on and it powered up, bringing me to the setup screen. There's not a lot of detail on the setup screen but the picture didn't have any distortions, so at least a cursory examination suggests no physical damage to the screen. The set appeared to be working normally, but it shut down after about 15 seconds,...
        02-18-2024, 09:11 AM
      • Document Archive
        Samsung Galaxy Book Ion NP930XCJ Notebook Specification for Upgrade or Repair
        by Document Archive
        This specification for the Samsung Galaxy Book Ion NP930XCJ Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the NP930XCJ boardview and NP930XCJ schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
        09-06-2024, 11:40 PM
      • Document Archive
        Samsung Galaxy Book Ion NP950XCJ Notebook Specification for Upgrade or Repair
        by Document Archive
        This specification for the Samsung Galaxy Book Ion NP950XCJ Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the NP950XCJ boardview and NP950XCJ schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
        09-06-2024, 11:40 PM
      • Loading...
      • No more items.
      Working...