Samsung UN32H5201AFXZA completely dead

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • p1muserfan
    Senior Member
    • Apr 2014
    • 184
    • USA

    #1

    Samsung UN32H5201AFXZA completely dead

    Got this TV from a friend who said it was not on a surge protector and one day simply wouldn't turn on. On CNL802 I measure 240VDC on pin 1, 0 on the rest. On CNM803 I measure 0 on all pins. Not sure where else to measure, I'm a first timer. TIA
    Attached Files
  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: Samsung UN32H5201AFXZA completely dead

    Are you for sure do not have any DCV on CNM803 pin 1, 3, 5, 7?
    What are the Voltage rating of those 3 electrolytics caps by the CNL802?
    240 VDC on pin 1 of CNL802 does not look right at all.
    Battery for your meter is good?
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

    • p1muserfan
      Senior Member
      • Apr 2014
      • 184
      • USA

      #3
      Re: Samsung UN32H5201AFXZA completely dead

      Originally posted by budm
      Are you for sure do not have any DCV on CNM803 pin 1, 3, 5, 7?
      What are the Voltage rating of those 3 electrolytics caps by the CNL802?
      240 VDC on pin 1 of CNL802 does not look right at all.
      Battery for your meter is good?
      -Positive, 1,3,5 and 7 are 0
      -Rating of the caps are 350V
      -Sure about the 240V on pin 1, measured it with 2 known good meters because I was surprised too.

      Comment

      • budm
        Badcaps Legend
        • Feb 2010
        • 40746
        • USA

        #4
        Re: Samsung UN32H5201AFXZA completely dead

        What DCV do you get between the two legs of those 3 filter caps by CNM803?
        So 240VDC also present on those 3 caps by CNL802?
        Last edited by budm; 12-20-2015, 10:43 PM.
        Never stop learning
        Basic LCD TV and Monitor troubleshooting guides.
        http://www.badcaps.net/forum/showthr...956#post305956

        Voltage Regulator (LDO) testing:
        http://www.badcaps.net/forum/showthr...999#post300999

        Inverter testing using old CFL:
        http://www.badcaps.net/forum/showthr...er+testing+cfl

        Tear down pictures : Hit the ">" Show Albums and stories" on the left side
        http://s807.photobucket.com/user/budm/library/

        TV Factory reset codes listing:
        http://www.badcaps.net/forum/showthread.php?t=24809

        Comment

        • p1muserfan
          Senior Member
          • Apr 2014
          • 184
          • USA

          #5
          Re: Samsung UN32H5201AFXZA completely dead

          Originally posted by budm
          What DCV do you get between the two legs of those 3 filter caps by CNM803?
          So 240VDC also present on those 3 caps by CNL802?

          -No voltage between caps by CNM803
          -Yes, 240DCV at caps near CNL802

          Comment

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #6
            Re: Samsung UN32H5201AFXZA completely dead

            OK, unless the transformer winding for the 13V power supply section is open (or bad solder joints on the transformer legs), as you can see that one end of the winding is connected to two jumpers (J811, 812) to feed 4 SMA rectifier diodes (DM851~854) which all 4 of them are connected in parallel and feed the 3 filter caps for the 13V supply, so check the resistance between jumper J811 and the negative leg of one of those 3 filter caps to see if it shows open circuit.
            You may want to resolder (see picture) ALL the legs of that power transformer TM801CS and other joints.

            Samsung BN44-00768A Power Supply
            http://www.shopjimmy.com/samsung-bn4...led-board.htm#
            Attached Files
            Last edited by budm; 12-21-2015, 01:40 AM.
            Never stop learning
            Basic LCD TV and Monitor troubleshooting guides.
            http://www.badcaps.net/forum/showthr...956#post305956

            Voltage Regulator (LDO) testing:
            http://www.badcaps.net/forum/showthr...999#post300999

            Inverter testing using old CFL:
            http://www.badcaps.net/forum/showthr...er+testing+cfl

            Tear down pictures : Hit the ">" Show Albums and stories" on the left side
            http://s807.photobucket.com/user/budm/library/

            TV Factory reset codes listing:
            http://www.badcaps.net/forum/showthread.php?t=24809

            Comment

            Related Topics

            Collapse

            • 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
            • max-power
              Dell E6540 laptop completely dead after dssasembly
              by max-power
              Hi, I disassemble my laptop to replace the speakers, to access them, you have to remove everything including the heat sink and fan, unscrew the motherboard, lift it up a bit to access the speaker wire.
              that was not the first time I dissasemble it, i did replace the same speaker a few year ago and I repaste it last year, so I had nothing to worry about. but when I put everything back together, its completely dead.

              After a bit of investigating, i found one pin of the status led ribbon cable that was unglued from the cable and bend touching another pin, I bend it back at his place...
              03-24-2025, 08:49 AM
            • 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
            • 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, 08:40 PM
            • Loading...
            • No more items.
            Working...