I have a Samsung 60in TV model UN60FH6003 about 1.5 years old. Recently, it starts to turn on and off by itself: The picture will freeze first, and after a couple of seconds, I will hear the chime and the TV will be off I could not see any backlight and then I will hear the chime again and the TV will turn on and resume whatever program before it turned off .. This will repeatedly happen. I had a TV repair person come over and he said it is the T-con problem. However, I'm not sure whether this is the typical symptom of T-con problems: I could not see any backlight while it is off and the backlight will come again and the TV would be on; there is also NO sound while it is off. While the TV is on, it functions perfectly fine. Another clue is that I only use the TV for chromecast and amazon TV and both are connected to hdmi ports. Although, the on and off thing also happened when the TV was only connected to power and while in the setup menu. These symptoms started a couple of weeks ago. First, it was only occasionally, but they become more and more frequent in the past couple of days .
I was having problem with the TV freezing up vertical lines and shutting off then restarting and doing it all over again over and over and over , I realized that if I took the back off the TV I no longer had this problem?realizing that the processor was overheating...
I installed a tiny computer fan using the USB 5 volts as a power supply, this fix the problem. Good luck
Testimonial: "Michael, Thanks a lot!! I will try this. Indeed, when the TV repair guy opened the back, the TV was not acting up as I expected.. Once he left (and the back was on again), after 10 minutes, the on and off cycle began...."
SOURCE: samsung tv clicking sound
It ur power supply board it have components,is dead could be anythings,Capacitors bulbging happen mostly only on DLP Tv bacauce the FTB transformer,give high voltage for projection.Tries thes websites for replacement power supply board.Shopjimmy.com,Tv Repair World.com,Partstore.com or Ebay.com.
SOURCE: Sony KDL-32S3000 32in LCD TV.
Hi Chris,
I used to have the same issues with my 32S3000 but I've managed to fix it by factory reset.
It's described in a different post here:
http://www.fixya.com/support/t2222933-complete_factory_reset_sony_bravia_kdl
Good luck.
Rob
SOURCE: samsung lcd tv ltm1755b won't turn on (power light stays red)
Problem: Samsung LTM1755B with only a blinking yellow LED when you try to turn it
on.
Solution: I just had one of these come in. I opened it up, and found
the U501 capacitor a little suspicious looking, in that it had a
deformed top. It was a 470uF 16V electrolytic 105degC 10mm x 12mm. I
replaced it with a very good quality 1000uF 16V electrolytic 105degC
10mm x 16mm Nichicon UHN1C102MPD. After that repair, when I tried to
turn it on, the LED was yellow for a second, then green, then I got a
picture, and it appeared to work great. I then asked the owner a week
later how it was working, and they said it was working just like new!
SOURCE: Sometimes Loses Sound
disconnect the hdmi cable from both ends it resets the sound signal!!!
SOURCE: samsung 56" DLP model# HL56A650C1FXZA.
I am having the same problem with mine. Did you find a solution? How much did it cost.
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