Standby Led, perminantly on amber,when powered up, no screen or sound,
please advice of possible problem, also where spares can be obtained.
This number; LG PHILLIPS LCD, LC370W01(A6).is shown on label on the back panel.
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Sorry for the late reply, I'm offline upon purchasing my service. You have said that you can hear a low buzzing sound before the unit gone to subsequent shutdown and the lamp blinks green(meaning that the unit try to turn on the lamp for consecutive attempts but not generally mean that the lamp itself is faulty.) and the temp led light come on.
As a matter of fact all the information you have mentioned linked to the symptoms you've encountered right now. A low buzzing sound might be caused by faulty FAN inside the unit that trigger the error code (blinking of the standby/temp led light) and turns off the unit automatically due to thermal protection circuit. However, the technician might be true also that the buzzing sound came from the faulty color wheel. To confirm it, you have to verify where the buzzing sound came from. Color wheel is in front of the lamp assembly. Faulty color wheel can produce the same symptoms you've encountered right now but most of the time, it shows 3 blinking led light at the front panel (Timer, Lamp, standby/Temp).
I would advice you to open the back cover of your unit, fixed the lamp door safety switch with the tape to make it in closed position( if it is on open position the unit will not power up), and then turn on the unit and observe the fans if will spin or not, and check also where the buzzing sound came from before the unit gone to shutdown. I've suspected that the fault came from the fan based on the led light flashes. Please let me know what you will discover after following the steps above to verify where the exact fault came from. Also, let me know the exact status of the led light at the front panel, (Timer, Lamp, standby/Temp ), which of them lit solid/blinking, it will help us to narrow the caused of the symptoms.
I have over 10 years experience in electronic tech support.
know this isn't what you want to hear, but the problem you've described
can't be fixed with troubleshooting. Your TV will have to be repaired.
There is a part that has developed a defect and needs to be replaced. If
you're still in warranty, the TV will be repaired at no charge to you.
The warranty would likely be at least one year from the date of
purchase from the manufacturer. If you purchased an extended service
plan they will repair the TV at no charge as well.
the TV is no longer in warranty, it will likely cost a minimum of $150
parts and labor. This is assuming that you only need a power supply
module. If the problem is more than one of the circuit boards, the price of
repair could go much higher. I would not suggest or recommend trying to repair the TV yourself.
I hope I've provided you useful assistance and that this information
allows you to make an informed decision as to how to proceed from here.
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Please let me know if I can be of further assistance.
This is is due to a faulty resistor probably the B+(R950)..On the power supply control circuit..If you know how to use a multimeter you can easily find the faulty one...And replace it.However if you are not good at electronics i advice that you give it for service coz its not gonna cost you too much..Dont delay the repair as it can damage the more expensive components in the Tv. Good luck! Eagle.