Power issues. turns on than cycles off and on till you turn back off.
You turn the tv on it powers up to the last channel it was on within about 3 to 5 seconds it powers off with a loud pop. And it continues this cycle un till you power it off manualy. Any help would greatly appreciated it SAMSUNG has been NO HELP what so ever.
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Most likely A power supply problem, you can try unplugging the cord waiting 3 minutes and retrying, to see, if not the open the back and see if the caps are in good condition, even though it did this last year, could be more a problem now since last 1.5 years ago its was something else. If you don't know how to solder then time to call a repairman.
Try a reset. Different models do it different ways - but most require either unplugging for 5 - 10 minutes and plugging back in - OR - press and hold the power button on the TV for 20 - 30 seconds. You may need to access the Set Up Menu and perform the RESET from within one of the menus. Good luck!
If the TV timer is set within then it will restart in the same channel as when you connect the power to the timer the whole power is shut down and so the memory is lost on the last attempt. Hence the TV will start back on the default setting unless there is proper back up on the memory.Please check if the TV timer can be reset to solve this issue or the memory must be checked for fault to retain last settings.
Here's how to scan for TV codes on your DIRECTV remote
1.Make sure your TV is turned on.
2.Slide the mode switch at top of remote to "TV".
3.Press and hold the MUTE button. This is located above the number 1 button.
4.While still holding down MUTE, press and hold the SELECT button until green light at the top of the remote flashes twice.
5.Then enter 991, the green light on remote should flash twice.
5b. Press 1 again (it will flash twice
again), then you press the power on button at the very top right.
6.Point remote at TV and press CHANNEL UP button. Tap the CHANNEL UP button repeatedly until the TV powers off.
*If you hit channel up very fast, you risk going past the code. Pressing
channel down will back it up. I alway hit channel up very fast till the
tv turns off, then back it up slowly till it comes back on.
7.When the TV powers off, press and release the SELECT button.
*Note: If the green light flashes three times before TV responds, then
all codes have been cycled through. Our remote controls are guaranteed
to program to your DIRECTV receiver, however your TV may not be
compatible with our remote control.
CERTIFIED TV EXPERT HERE, follow this information I provided 3 long solutions to this issue/s Solution 1 Before we start taking things apart, lets try your simple remove power plug routine and power system back up. Also, please try your unit on a few different channels to see if your problem continues on each channel. Your Main Board, Power Board, T-Control Board are suspected problems at this time. Press and hold the power button for about 15 seconds, the unit should power down by itself after you have powered it on. If it does not, then do not be concerned. Let me know if the problem continues. The firstlink below will bring you directly to the troubleshooting guide if you need to continue forward with the same error. Additional information http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com 2 Lets focus on the external portion of the TV set first (95 percent of all TV problems are related to things EXTERNAL To the tv itself) Check the physical CONNECTION of all cables by removing each wire bare or RCA and reinstalling it (Each power cable as well), once you have removed one cable, check it for fraying, and if it is already bare, splice a new fresh connection for it. 5. Check to make sure there are NO OTHER uneeded radios, system nearby. these systems, when powered on, will cause electromagnetic interference and prevent more than just severe tv interference SURGE PROTECTOR Surge protectors account for more than 75 percent of electric faults to stereo equipment. Lets start with your AC Wall outlet. It is standard in america that 220 Volts from out of these outlets. This implies that each device will be using 220 Volts (From within that grid zone). If anything including an alarm clock is plugged into any AC outlet socket in the vicinity of the stereo equipment/TV, it will cause electric outage, and prevent electronics from even turning on! Your TV needs dedicated electric power. If your TV is located in the living room then unplug everything else in the living room. Lets plug the TV set into a Dedicated socket. Check all light switches to ensure that power is on for that outlet. Check the TV cable for Fraying both on the ac wall end and where it plugs into the TV. Check all GFCI outlets to ensure that all red reset buttons are pushed in, check the circuit breakers for proper connection and they are turned on. Now, lets try the TV set without it connected to any cable services, vcr, dvd, stereo system, etc. Please respond if we have found a solution. 3 When troubleshooting these units, there are always several variables to consider. First check to see what last occurred with the unit such as did the children play video games, did the electricity go out due to bad weather. You may see that there are many possibilities but let's focus on what occurred last to the unit. Once we determine what happened last, we may isolate the actual cause of the problem. The actual cause may be associated with projection issues, older versions (Picture tube), interference from devices located nearby, and even a radio turned on and located really close to your unit. This is normally known as electromagnetic interference to electronics and is very common with the error you have provided today. Please continue to look for anything EXTERNAL to the unit before looking at the internal components. I have been working on these a long time so feel free to follow up with me.
On your remote control (with tv off) 1. press Display, channel 5, Volume Up and then Power this brings up the service mode (you will see some green text on your screen) 2. Press channel 2 to scroll through options until you see "Micro" in the upper left of your screen (channel 2 cycles up through the options, channel 5 cycles down) 3. Press channel 1 to scroll through suboptions until you see "DIOF" appear under "Micro" (channel 1 cycles up through the suboptions, channel 4 cycles down) 4. Press channel six until the default value (12:60) changes to 12:40 (channel 3 increases the value, channel 6 decreases the value) 5. Once the value has been changed to 12:40, press Muting and you should see red text in the upper right hand corner that says "Write" 6. Simply turn the power off and back on for the change to take effect. Your volume problems should now be fixed.
We have a similar problem when changing channels/surfing, the TV will begin to power cycle, until you unplug THE CABLE TV input, then it will turn on again and stay on as you rehook the cable and change channels....till it decides to do it again, DTV channels seem to trip it up, but not sure....if I leave it on the same channel it will run for days.
Yep and the cable TV is grounded outside
Try a power drain and monitor if the TV continues to do this or not:
1. Unplug the product's power cable so the device is not grounded to the house.
2. Press and HOLD the product's own power button for 1 minute to drain the capacitors.
3. Plug the product back into a wall outlet and try to turn it on.
Note: This procedure works with battery operated devices as well so remove the batteries and
hold down it's power button. Electricity can remain in capacitors and on circuit boards
enough to prevent normal functionality. By clearing the residue electricity, your product
will have a fresh start and many times this will resolve a buggy or non-responsive device
that appears to be dead.
If this doesn't resolve the issue, it's possible the power supply is on it's last legs.
It is most deffinately a convergence chip issue. The die for no reason. They can be bought online for around $10 dollars and anyone with experience with soldering can replace them pretty easily. I have done it.
hi i think you might have the wrong software on the box,turn you tv on and put it on the sky channel take your viewing card out of the stb turn the box off then take the power lead out, wait till the stb powers down then put your finger on the backup button keeping it pressed put the power lead back in and holding the backup button wait till the on screen message comes on your tv, wait till the tv screen goes blank then put your card back in turn your box back on and try to record 2 channels at the same time this should solve the problem. if not it will be the cable or the quad lnb.