Question about Samsung TX-R2779H 27" TV
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Posted on Jan 02, 2017
SOURCE: Samsung DynaFlat TX-P2775H 27
Do you get any indication of power to the unit? Mine didn't.. the light next to the power button didn't come on. Turned out it was just a fuse inside the unit. So, take it in for repair and hopefully its a simple fix.
Posted on Dec 13, 2007
SOURCE: My Samsung TV model TX-R2435
This is a failure on theT-conn board, if under warranty , it is advisable to contact manufacturer.
This is a very simple approach.
(Please click on high lighted words)
Would like for you to take your meter and place it on DC voltage the positive end on every connector that says a voltage and the negative wire to the panel this is the best ground. Turn on and see if the unit tries to climb, If you don't find one that's trying to climb suspect it, the 5VDC line if it isn't exact un hook the LVDS cable and see if it goes to 5vdc. Another method is to locate a short circuit, place meter on ohms or beep test follow same procedure no voltage should be shorted to ground. And this is the problem,
Make sure to see if DVD plays well in the input that you use for cable TV, if it does your problem is your signal, if you use cable/box unplug for 60 sec. then Re Plug it. And if picture is bad on the DVD, you will need a main board, some of the logic processing is corrupted, contact manufacturer or list below for best price. And to make sure nothing is just loose.
Ok I would like for you to open unit and in the middle of the panel is the T-CONN board, it has the LVDS cable going to it and the main board. First try to wiggle the LVDS cable to make sure no loose connections while set is on. Next disconnect LVDS from T-CONN board make sure to not let the cable touch any metal turn set on and see if screen lights up and with a clear screen. If not ok some models won't let you check this way. But if it does the panel is not faulty it is ok, LVDS or main board or T-CONN issue. So let's hope it's the CABLE, LVDS is loose. If you isolate inside the unit you may find your problem much quicker.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Jun 20, 2011
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