The picture and sound go off at the same time. There is a clicking noise that sounds like the TV is trying to come on. The only way to stop the clicking is to unplug the TV.
Power supply or something connected and the clicking is likely a mechanical relay that is not bad but not engaging.
I see so many here with no sound/nopicture issues:
ISSUES:
1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.
Answers to issues:
1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.
2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.
Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.
What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.
3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.
4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.
SOURCE: 50 inch samsung tv clicks on and off when turn on
the Fuse needs to be Replaces, contact nearest samsung service center. would cost just $1 trust me
email me if you need any assistance ... [email protected]
SOURCE: Samsung 42" Plasma HPT4254
i have the same exact tv with the same problem... it was a bad connection on a transistor... look at the connections closely
[email protected]
SOURCE: my 50 inch samsung plasma tv turns off and on by
power supply needs to be replaced. common problem.
SOURCE: My tv won't turn on, the red light just blinks and
power suppy needs replacing...according to samsung and other forums i read when mine did this its a common problem
SOURCE: Samsung model HP-T5054 Plasma TV
When you remove the back of the set. You will fined a couple of caps on the power supply board that are bulged and they need to be replaced, or you can buy a new power supply at www.partstore.com. If you want to just purchase the caps, you can get them at www.mcmelectronics.com
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