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miked Need Assistance... 06-12-2015, 03:47 PM
Mechanic688 Mike, did you check out any... 06-12-2015, 04:01 PM
miked I have checked there and... 06-12-2015, 05:22 PM
Metalbestos I am in no way a TV repairman... 06-12-2015, 04:31 PM
logansryche Just for giggles you try and... 06-12-2015, 09:54 PM
ScrappinRed Before you replace any... 06-12-2015, 10:20 PM
bigburtchino I can only suggest some tried... 06-13-2015, 02:15 AM
miked Thanks for all the responses.... 06-13-2015, 06:49 AM
bigburtchino Can you menu access the... 06-13-2015, 08:05 AM
miked I have tried some of that ... 06-13-2015, 02:40 PM
logansryche That's good and hope between... 06-13-2015, 03:07 PM
miked I was able to get a telephone... 06-16-2015, 09:10 AM
miked I want tocomplete this thread... 07-15-2015, 03:19 PM
webuyselltradestuff the sad part is that the COST... 07-15-2015, 03:36 PM
mikeinreco Thanks for the... 07-15-2015, 04:14 PM
eesakiwi I was suggested the BADCAPS... 07-16-2015, 05:57 AM
eesakiwi I checked what flatscreen I... 07-17-2015, 02:38 AM
miked eesakiwi, if the issue is... 07-17-2015, 05:21 AM
eesakiwi Miked, yup, I did that to... 07-18-2015, 08:59 AM
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    miked started this thread.
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    Need Assistance Troubleshooting a Samsung LCD TV

    I have a Samsung 40" LCD TV LN40B530P7N that has ghosting, other wise this is a great working tv that I would like to repair myself if possible.

    In the past I have replaced blown caps in other lcd tv's and was able to make a good repair. For additional background I am a retired US Marine who was an Avionics Tech on helos, and I hold an Extra Class License (ke4ilg) so I believe I can do the repairs but can't decide what is the proper direction to go.



    Ok so here's what I have done so far: I watched a lot of youtube videos and followed repair tips to no avail. One I followed was removing and re-inserting the ribbon cables from the T-Con board to screen input. This did not help.

    Next I tried the internal self test on the tv's menu. This test displayed a color bar test and it was great with no ghosting at all. The self test stated that if the color bar was good then the problem is from the inputs to the the tv, ie cable box, dvd player etc.

    So since I know the Directv box is working correctly I changed the input from HDMI cable to the component cables, RCA jack cables ,yellow, red and white. All the same results.

    The main board has all the inputs including, AC power, cable input, HDMI input and component input RCA jack.

    So I believe its either the main board or the the T-Con board. The used price on each of these boards about $100 for one and about $55 for the other. I don't want to buy the wrong one.

    Anyone who feel qualified please let me know your thoughts and those who don't think you are qualified are also welcome to comment. Thanks in advance for your support. Mike
    Last edited by miked; 06-12-2015 at 03:49 PM.
    "Profit begins when you buy NOT when you sell." {quote passed down to me from a wise man}

    Now go beat the copper out of something, Miked

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