Question about Televison & Video
The TV is not turning on because there is an internal fault, and TV is on special diagnostic mode called protection. The clicking sound is not a fault, but it is the consequence of a fault. It is the protection circuit that keeps shutting down the unit to prevent more damage, after a fault had been detected.
If the TV goes in standby, then it is in protection mode.
Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.
If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
If you want to DIY you find parts here,
Appliance parts, electronics parts & more from PartStore.com
Encompass Parts Distribution
Electronic Replacement Parts: Plasma & LCD TVs, Appliances |
On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem.
Posted on May 07, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
May 03, 2015 | Samsung Televison & Video
Aug 24, 2011 | Samsung LA40A450 40 in. LCD TV
Samsung is known for producing
high-quality LCD televisions with excellent imaging and sound.
Unfortunately, LCD televisions, like all electronics, are subject to
problems on occasion. Common Samsung LCD problems include a television
with sound but no picture, sometimes due to a faulty power supply.
Although these problems can be difficult to fix by yourself, it is sometimes possible to extend your television's warranty by contacting Samsung.
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