Question about Samsung Televison & Video
When the tv is plugged in it makes a really high pitch whistle noise, don't know if the power supply is dead. I think it might have been zapped in the last big lightning storm.
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Posted on Jan 02, 2017
how old is your plasma TV? try check the switch / volume of the sound settings.. Sometimes, when you always increase the volume, it will tend to alter the limit of sound and causing the sound to provide sound undesiredness. I suggest to check it with a liscensed technician.
Posted on Feb 05, 2008
I suspect you have a bad set of capacitors in the control module. This problem usually starts out as a high pitched noise but can lead to the TV not turning on. Please see the link below, posted by StivO. It gives step by step instructions on how to replace the capacitors. This is a very inexpensive fix.
Posted on Apr 26, 2009
The TV staying in standby and the light flashing indicates that the TV is in fault mode (often called protect mode). This happens when an internal fault is detected, and the main board set the unit in forced stand-by with the led color changing.
Before doing anything else try disconnecting TV from power for ten minutes. Restart the TV with no device connected, leave it on for a while and see how it goes. Test the TV with different devices (eg. DVD, VHS,sat box, console etc .)
In your case it looks like there is no clear indication toward a particular fault. The TV coming on at random times, may point at a defective PSU, but other failures such as defective main board, overheating, defective inverter, or faulty Timing controller (TCon) may result in the same problem.
The most common fault that may cause the symptom you described is PSU. Unless there is clear sign that the PSU is damaged, this is still far from being enough to decide that PSU is the culprit. The power supply must be tested before replacing parts. Testing is done reading PSU out on different voltages. This is an operation that must be done by a trained repairer.
The high pitched noise may be given by a defective PSU capacitor. In that case the bulged or leaking capacitor is usually easy to spot looking directly at the PSU.
To book a repair call the manufacturer at the number listed on the owners manual.
To get part price, enter model here: ShopJimmy.
Posted on Feb 19, 2011
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