When i turn my tv on i hear the click that signals the tv is on and i see the green light but before the tv can load completely it shuts off again and then turns back on again by itself. I then have to wait after it shuts off again for awhile before i can try again and get the same results.
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A green LED that blinks On and Off is an indication on some models that the TV is receiving commands from a remote. By modelling, it just check SYN, SYN-ACK signal between transmitter and receiver. No worries.
On that unit the induced draft motor must close the pressure switch, and all safeties are proven closed, then that signal is powered to the ignition control board. Then the board sends a spark. Lots of times all that happens and the electrode that makes the spark needs cleaning, or the ground for that electrode needs to be cleaned/tightened. Takes some process of elimination for that one.
First turn on,do the power LED light stable?Few sec.Power LED and LED OPC flashes?This very common on Sharp tv,tries power off/on at 4 or 5 each time it flashes,well power up have backlight on and it work.After this doesn't work than ur Tuner Signal board it dead.
if you look at the capacitors on the boards you will find several of them that are domed or blown, these are the most likely cause of the problem. you can find replacements for any capacitor online at electronics supply stores, like radio shack but don't try them they don't supply enough different types. you can also find examples of blown capacitors by doing a search for "blown capacitor image" on any web search. unsoldering these bad caps and replacing them with identical values like 220uf (microfarradys) and say 25 v(volts). these caps have a + side and a - side the caps are marked and so is the board. hope this helps.
Hi i have a pilips 42" plasma tv (42PF5320/79) i can hear clicking the green light is on and the tv will go into stand by if i press the power button and the red light also comes on .I have turned it on and off and it works now nothing just the light on the front as if its working looking at the back through the slots two green lights come on then the tv clicks and they turn off,thanks