Tv works fine for a while then starts running thru channels and inputs for awhile. Then works fine Then repeats same problem.
Unable to turn off and other controls do not work when running thru channels and inputs
The Micro switches are leaky. They are soldered on the control panel in the front. Either replace the panel or the switchs. You can test this by unsoldering all the switchs and leaving the IR Sensor. You can control the set by using the remote remote . If this help let me know.
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. Try putting you tv set to channel 3 or 4. Try your tv in all modes. Check the back also to see if in the right spots with the wires. Check your channel scan status, try it on anntena and try it on cable, run channel scan on both. good luck. Try vcr wires if cable wires dont work. vcr wires are yellow red and white. Try another cable cord sometimes they get old. Try looking at your remote and setting it to tv.
There should be buttons somewhere on the TV itself to switch input modes. Look around where the power button is located and see if there is a menu button you can access. Then use channel up/down and volume up/down to scroll thru modes to find input
This solution from troylove solved my problem.troylove11 Rank: Wiz Rating: 85%, 1164 votes
This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source.
Samsung inputs are auto-detecting, meaning if nothing is plugged in you cannot get to that input. Double check you HDMI cable on both ends to make sure its plugged in. HDMI jacks are very weak and connections break very easily, don't wiggle excessively. I recommend using component video instead for a more reliable connection.
The Scientific Atlanta box was a cable box and recieved CATV signals. The Direct TV box is satellite only. You might check if it has a built in ATSC tuner for off air digital signals. Direct TV in most locations offers the major networks in HD format.
plug out the pwer for the tv and letit stand for awhile there after plug it in and see what it does ,if that does not fix the problem call in the tech the tv is having problem in the tuner circuit or the IF section good luck,