Samsung UN46EH6000 LED ERROR Codes

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  • Michale32086
    New Member
    • Nov 2011
    • 1453
    • USA
    #1

    Samsung UN46EH6000 LED ERROR Codes

    I have a nice UN46EH6000 that I have tried 3 different power boards on. All three produce the same response.

    When plugged in, I hear the SAMSUNG tones, but absolutely no light on the screen at all..

    On the power button (a PS3 style thumb button) a red LED blinks 6 times..

    I was going to tear down the unit to the bare bulbs and see if the problem lies there but before I do, I wanted to see if those Error Code Blinks mean anything else.. GOOGLE was no help..

    Also, on the cable between the power board and the video board, there is a trace that had been factory cut...

    Any hints would be appreciated...
    Attached Files
    Tags: None
    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK
      #2
      Re: Samsung UN46EH6000 LED ERROR Codes

      They mean nothing. It is not an error code.

      Most likely open circuit LED strip, or short circuit LED to chassis.

      That will cause a Samsung to cycle the power or fail to boot.

      I don't think that's a factory cut.......
      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

        Comment

        • Michale32086
          New Member
          • Nov 2011
          • 1453
          • USA
          #3
          Re: Samsung UN46EH6000 LED ERROR Codes

          Originally posted by tom66
          They mean nothing. It is not an error code.

          Most likely open circuit LED strip, or short circuit LED to chassis.
          Yea, that turned out to be the problem with a previously mentioned Westinghouse I worked on..

          OK, disassembly it is...


          Originally posted by tom66

          I don't think that's a factory cut.......
          Well, it WAS until I spliced it to see if that was my problem..

          Yea, probably not the smartest move, I realize...

          Thanx for the response...

            Comment

            • Michale32086
              New Member
              • Nov 2011
              • 1453
              • USA
              #4
              Re: Samsung UN46EH6000 LED ERROR Codes

              OK, got the unit disassembled down to the bare LEDs

              Interesting arrangement.. Looks like a padded room I have been in once or twice.

              I re-seated the connector to the LEDs and want to hook up the power board to see if I get light..

              Is it wise to hook up just the power board without the video or TCON boards??
              Attached Files

                Comment

                • budm
                  Badcaps Legend
                  • Feb 2010
                  • 40746
                  • USA
                  #5
                  Re: Samsung UN46EH6000 LED ERROR Codes

                  Yes, you can power up the TV without the T-CON and the LCD panel attached.
                  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

                    • Michale32086
                      New Member
                      • Nov 2011
                      • 1453
                      • USA
                      #6
                      Re: Samsung UN46EH6000 LED ERROR Codes

                      Thanx, budm...

                      Yea, I had to hook up the video board anyways to have the ON/OFF switch in play, so I went ahead..

                      Found something interesting. Hopefully the smoking gun...

                      Using a voltmeter I determined that there were no direct shorts and the connections were laid out as indicated in the attached Pic..

                      "Now, I don't know what all that means, but it sounds pretty bad."
                      -Tom Cruise, A FEW GOOD MEN
                      Attached Files

                        Comment

                        • Michale32086
                          New Member
                          • Nov 2011
                          • 1453
                          • USA
                          #7
                          Re: Samsung UN46EH6000 LED ERROR Codes

                          Attached is the other side of the connector shown in the post above...
                          Attached Files

                            Comment

                            • Michale32086
                              New Member
                              • Nov 2011
                              • 1453
                              • USA
                              #8
                              Re: Samsung UN46EH6000 LED ERROR Codes

                              As the saying goes, "Curiouser and Curiouser..."

                              I took out all of the light strips shown in post #4... Powered up and still got the same result. 6 blinks on the power LED...

                              So, I tried something I probably should have done BEFORE I disassembled this unit down to bare tacks...

                              I pulled the connector (Post #7) that goes from the power board to the LED strips shown in post #6...

                              Plugged in and still the same 6 LED blinks..

                              Which leads me to believe that the short is NOT in the LED strips....

                              The only other possible culprit is the video board...

                              But that doesn't make much sense...

                              Does it??

                                Comment

                                • budm
                                  Badcaps Legend
                                  • Feb 2010
                                  • 40746
                                  • USA
                                  #9
                                  Re: Samsung UN46EH6000 LED ERROR Codes

                                  What DC Voltages do you get on the connector CNM803 pins when TV is OFF and when power switch is activated? There are label for each pin.
                                  http://assets.shopjimmy.com/media/ca...498a-top_1.jpg
                                  Also if you disconnect the CNM803 and then plug the TV into the outlet, do you get backlights?
                                  Last edited by budm; 12-09-2014, 02:38 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

                                    • tom66
                                      EVs Rule
                                      • Apr 2011
                                      • 32560
                                      • UK
                                      #10
                                      Re: Samsung UN46EH6000 LED ERROR Codes

                                      6 blinks means nothing.

                                      It is the normal Samsung power up routine. Every Samsung TV does the same. Anywhere from 4 to 10 blinks seems normal.
                                      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                                      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                                        Comment

                                        • Michale32086
                                          New Member
                                          • Nov 2011
                                          • 1453
                                          • USA
                                          #11
                                          Re: Samsung UN46EH6000 LED ERROR Codes

                                          Originally posted by budm
                                          What DC Voltages do you get on the connector CNM803 pins when TV is OFF and when power switch is activated? There are label for each pin.
                                          http://assets.shopjimmy.com/media/ca...498a-top_1.jpg
                                          1- 12.8v
                                          2- 3.1v
                                          3- 12.8v
                                          4- 12.8v
                                          5- 12.8v
                                          6- 2.9v
                                          7- 12.8v
                                          8- 0
                                          9- 0
                                          10- 0
                                          11- 5.3v
                                          12- 5.2v
                                          13- 5.3v
                                          14- 3.2v

                                          Plugged in, power switch activated makes no difference... From the tones I am assuming that the TV is activated once it's plugged in..


                                          Originally posted by budm
                                          Also if you disconnect the CNM803 and then plug the TV into the outlet, do you get backlights?
                                          Nope... Dead as a doornail...

                                            Comment

                                            • Michale32086
                                              New Member
                                              • Nov 2011
                                              • 1453
                                              • USA
                                              #12
                                              Re: Samsung UN46EH6000 LED ERROR Codes

                                              Originally posted by tom66
                                              6 blinks means nothing.

                                              It is the normal Samsung power up routine. Every Samsung TV does the same. Anywhere from 4 to 10 blinks seems normal.
                                              Ahhhhh Hokay, I get it now..

                                              Blinks can be ignored...
                                              Last edited by Michale32086; 12-09-2014, 03:08 PM.

                                                Comment

                                                • budm
                                                  Badcaps Legend
                                                  • Feb 2010
                                                  • 40746
                                                  • USA
                                                  #13
                                                  Re: Samsung UN46EH6000 LED ERROR Codes

                                                  Originally posted by Michale32086
                                                  1- 12.8v
                                                  2- 3.1v
                                                  3- 12.8v
                                                  4- 12.8v
                                                  5- 12.8v
                                                  6- 2.9v
                                                  7- 12.8v
                                                  8- 0
                                                  9- 0
                                                  10- 0
                                                  11- 5.3v
                                                  12- 5.2v
                                                  13- 5.3v
                                                  14- 3.2v

                                                  Plugged in, power switch activated makes no difference... From the tones I am assuming that the TV is activated once it's plugged in..



                                                  Nope... Dead as a doornail...
                                                  Can you please put the pin labels next to the readings?
                                                  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

                                                    • budm
                                                      Badcaps Legend
                                                      • Feb 2010
                                                      • 40746
                                                      • USA
                                                      #14
                                                      Re: Samsung UN46EH6000 LED ERROR Codes

                                                      OK, I look at the picture myself:
                                                      Pin 6 = BL ON/OFF = 2.9V = OK, it should be <1V when TV is turned OFF.
                                                      Pin 14 = PWR ON/OFF = 3.2V = OK, it should be <1V when TV is turned OFF.
                                                      So the main board is sending out correct signal to turn on the power supply and the backlights circuits.
                                                      The problem is on the power supply board some where, the backlights should at least flash on for a second for the error detection circuit to detect any fault before going into shutdown.
                                                      What DC Voltage do you get at THE TWO LEGS of the main filter cap (82uf 450Vdc) when power switch is activated?
                                                      Pictures are provided by SHOPJIMMY.
                                                      Attached Files
                                                      Last edited by budm; 12-09-2014, 03:53 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

                                                        • Michale32086
                                                          New Member
                                                          • Nov 2011
                                                          • 1453
                                                          • USA
                                                          #15
                                                          Re: Samsung UN46EH6000 LED ERROR Codes

                                                          Originally posted by budm
                                                          Can you please put the pin labels next to the readings?
                                                          My Bust....

                                                          1 B13v 12.8v
                                                          2 PWM_DIM 3.1v
                                                          3 B13V 12.8v
                                                          4 B13V 12.8v
                                                          5 Vamp 12.8v
                                                          6 BLU On/Off 2.9v
                                                          7 Vamp 12.8v
                                                          8 GND 0
                                                          9 GND 0
                                                          10 GND 0
                                                          11 B5V 5.3v
                                                          12 A5V 5.2v
                                                          13 B5V 5.3v
                                                          14 Pwr On/Off 3.2v

                                                            Comment

                                                            • Michale32086
                                                              New Member
                                                              • Nov 2011
                                                              • 1453
                                                              • USA
                                                              #16
                                                              Re: Samsung UN46EH6000 LED ERROR Codes

                                                              Originally posted by budm
                                                              OK, I look at the picture myself:
                                                              Pin 6 = BL ON/OFF = 2.9V = OK, it should be <1V when TV is turned OFF.
                                                              Pin 14 = PWR ON/OFF = 3.2V = OK, it should be <1V when TV is turned OFF.
                                                              I am not sure but it might be indicative of the problem.

                                                              I can't seem to turn the set off...

                                                              When I plug it in, I hear the Samsung Tones that indicates power up..

                                                              Looking at the INPUTS area, the red light is on in the OPTICAL AUDIO connector which I have always associated with the TV being ON...

                                                              Pushing the power button does nothing to change anything..

                                                              Totally disconnecting the Video Board (and, hence, the power button) produces the voltages I outlined above...

                                                                Comment

                                                                • Michale32086
                                                                  New Member
                                                                  • Nov 2011
                                                                  • 1453
                                                                  • USA
                                                                  #17
                                                                  Re: Samsung UN46EH6000 LED ERROR Codes

                                                                  Also, this is the 3rd Power Board I have put in the unit...

                                                                  The one that was initially in there..

                                                                  One I had flying around my shop of unknown operability..

                                                                  And the third one that's in there now that I had purchased from Shop Jimmy...

                                                                  All gave me the same results...

                                                                    Comment

                                                                    • tom66
                                                                      EVs Rule
                                                                      • Apr 2011
                                                                      • 32560
                                                                      • UK
                                                                      #18
                                                                      Re: Samsung UN46EH6000 LED ERROR Codes

                                                                      Because it is most likely an open circuit LED in the panel. This is by far the most common fault with LED TVs and is making many of them really difficult to fix.

                                                                      I don't really know how you'd go about fixing an O/C LED in something like an 70" panel... 46" sounds bad enough.
                                                                      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                                                                      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                                                                        Comment

                                                                        • Michale32086
                                                                          New Member
                                                                          • Nov 2011
                                                                          • 1453
                                                                          • USA
                                                                          #19
                                                                          Re: Samsung UN46EH6000 LED ERROR Codes

                                                                          Originally posted by tom66
                                                                          Because it is most likely an open circuit LED in the panel. This is by far the most common fault with LED TVs and is making many of them really difficult to fix.

                                                                          I don't really know how you'd go about fixing an O/C LED in something like an 70" panel... 46" sounds bad enough.
                                                                          I thought about that.. That maybe one of the strips was bad.. So I took one out and tested..

                                                                          No luck..

                                                                          Took another out and tested again..

                                                                          No luck...

                                                                          And so on and so on until there was only one left...

                                                                          I then put them back in, in reverse order and tested again after each install..

                                                                          No go..

                                                                          What about the idea of buying a new strip that's (assumed) good?? And use it to test each strip connection??

                                                                            Comment

                                                                            • Michale32086
                                                                              New Member
                                                                              • Nov 2011
                                                                              • 1453
                                                                              • USA
                                                                              #20
                                                                              Re: Samsung UN46EH6000 LED ERROR Codes

                                                                              Does the voltages in post #6 provide any clue??

                                                                              EDIT: Actually, #6 just provides a continuity diagram..

                                                                              Would checking voltages help???
                                                                              Last edited by Michale32086; 12-09-2014, 04:30 PM.

                                                                                Comment

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