Question about Insignia 50 in. Flat-Panel Plasma HDTV
The problem first showed up and the green light would flash for more than 5 times before the second part of the power would kick in.
Check both power units for dry joints and caps going faulty. as this is most likely a problem. its because Plasma screens get so hot they cause these problems.
Posted on Dec 29, 2013
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Posted on Jan 02, 2017
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
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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 Apr 19, 2009
I received no replies to my request. I guest I stumped 2 million techs. I'll just buy a new TV with a 5 yr warranty. No thanks to joining your service, I can do bad all by myself.
Posted on Feb 09, 2010
SOURCE: NS-PDP50HD-09 Insignia 50
Since the power light is on the standby circuit is working fine and it is cutting up on powering the circuits, so either it could be a safety trigger or a failer. you will need to cross check by omission flow charting to find out if it is the Main power or the drive power.Check for dry joints or loose connection by tapping the main board to see any reaction to start up. good luck
Posted on Jun 29, 2010
SOURCE: i bought a 50 inch
Talk to them,return the tv u probally get like 20% off for a new replacement tv.U probally have to pay 80% of the new tv.Because u cause the tv LCD screen panel to be broken.The tv LCD screen panel is 90% important to the tv and it is limited in production by the tvs corporations.Tv with broken LCD screen panel only worth as a salvage tv for it electronic boards for parts,that it.
Posted on Mar 15, 2011
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