Left on overnight now after I turned it off it wont turn back on.
How many times do the power LED blinks at once after switch on. Count it carefully. These blinks are fault indications, which can help you an idea about the faulty internal section circuit. If you wish to get more details about these blinking codes, check this link.
SOURCE: power lite blinks red and will not turn on
Sounds to me like you're experiencing an issue with the power supply in the unit.
SOURCE: LG 32LC2D Power light Blinks but set will not power on.
change your adc(analog to digital converter) board will help out
SOURCE: The tv wont turn on
hello 2 blinks on this tv means you have this issue below
PT-44LCX65
2 blinks 5 secs you have your lamp cover open
check for this
hope this helps
SOURCE: TV wont turn on with remote or the power button
ONE: The protection circuit has taken over the power managment of the
set. When you unplug it for a couple of hours or so and plug it back
in it will start up because the circuits have all been reset
(unplugging the power cord is a reset operation.)
TWO: The protection circuit goes into action whenever it detects an
excessive amount of current being drawn from one of the 10 sections of
the tv circuitry.
THREE: When it won't turn on it is because the protection circuit has
captured the ON function and holds the power relay OFF until it is
reset.
FOUR: So, the problem area could be any one of the 10 or so sections
of the tv. The most common of which is the high voltage section
because it uses the greatest amount of power. If so, this could be
very expensive.
FIVE: On the other hand, it could be one of the other sections and a
small part such as a resistor or capacitor shorting down. In which
case the cost of repair may be only a few dollars.
SIX: However, you will need a tv tech to come to the home and diagnose
the set because we cannot tell where the failure is without a hands-on
diagnosis by one who knows how to test the circuit sections.
SEVEN: Usually a shop will send out a tech who will do a quick check
and tell you what is wrong with the set and how much the repair cost is
going to be. A house call such as this will cost from $40 to $80
depending on the distance and the price they set. I suggest you call a
few shops and get their best response before deciding which one to
employ.
Let me know if you will need further assistance
SOURCE: Phillips 51in tv rear projection power button blinking green
The TV is on protect mode.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Also
ensure that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem with no receiver box
or dvd connected.
If that does not work, and you keep having a flashing
led on front of the TV, and tv turning off by itself after a while,
that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.
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
, startingthe flashing light.
If you are in situation one, then theTV 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.
Common faults
that can occur are a blown capacitor on power board, a
convergence IC has blown, or a fault on Digital board.
Check also
the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you
can get same flashing state because of the video cable.
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.
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