Question about Televison & Video
Return your TV ... There is a manufacturers problem with your TV ... Return it and ask for either a different one or for yours to be fixed ...
Posted on Jan 17, 2013
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Posted on Jan 02, 2017
SOURCE: Polaroid LCD TV TLA-4641C
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,
All: Appliance parts, electronics parts & more from PartStore.com
Encompass Parts Distribution
LCD/Plasma 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
On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.
On Rear Projection : check lamp, lamp ballast, power board, and convergence.
On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.
Posted on May 05, 2009
It can be the main board or the power supply,
look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
Please post back what you find
Posted on Nov 28, 2009
Not a solution...but an "answer". First, you should call the tech support number and talk to them; but others have posted on this site (and I'm about to) that they're having the same problem (mine won't get cbs or abc stations). I was told, as was another poster on this site, that 'some tvs just don't tune into some stations).
Even though the tvs have built-in ACTS and a NCTS tuner (for analog and hd) they don't always work with external (rabbit ear) antenna.
ANother poster to fixya wrote that she's returning her set to Target...where mine was also purchased. I'm going to ahve to box up ours also and return it, a shame since it was a gift!
Posted on Jan 05, 2011
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