Question about Panasonic Televison & Video
When I turn on the unit, the power button flashes green, but then
flashes red. I changed the bulb, but get the same result.
Hi, that indicates that an internal fault has been detected. In theory you will need to call the service number listed on the user manual to get a technician to test your TV.
If I keep turning the set back on after it flashes red, it may stay green and produce a picture after 14 to 30 minutes.
That is the symptom of the fault. Here common faults that can cause the problem:
1- PSU - This is main power board. The power board uses a set of large electrolytic capacitors to stabilize power by storing a certain quantity of charge. Usually when one of the capacitors fail you get this problem. The TV starts only sometimes, when the still good capacitors are completely discharged and can barely compensate the containment job done by the defective component. Try leaving the TV power cord disconnected for one hour or two and see it TV restarts, that is one symptom of this kind of problems.
2 LCD TV only - The inverter may also cause protect light (red light), with occasional startup. Here general steps to test the inverter:Before proceeding I assume you have technical training.
3 Rear projection only. The convergence IC and ballast board failures can cause the same problem.
Try leaving the TV power cord disconnected for one hour, check power outlet grounding and restart TV with no device attached. If the problem persists, then the TV must be tested at component level, starting from the power adapter.
Posted on Sep 29, 2010
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Posted on Jan 02, 2017
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