Question about LG 37LC7D 37 in. LCD HDTV
Power light is on but when i go to turn it on with the remote...nothing..every now and agian it will turn on but mostly not?
Posted by Anonymous on
I bought one also from ALDI for my son's Xbox 360, it is only 3 weeks in use and I have the same problem. The red led is on, indicating that it is in standby mode and recieving power but I can't turn it on either by pressing the power on button on the TV it's self or the on button on the remote. This started happening a few days ago and it's totally random. I found that if you unplug the TV from the power point or alternatively switch off the power point for a minute, than power it on again it will "WORK AGAIN" for a while. Like I said it is random, eventually it will return to the not being able to be switched on state at which time you will have to repeat the process. So thus, this is not really a solution. I am about to return the TV for a refund, and it's a shame because otherwise it's not too bad. and looks OK too.
Posted on Jan 21, 2013
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Posted on Jan 02, 2017
SOURCE: hosseinhi, 32 inch lg hd
Fault one: Power supply not supplying the 24v needed for the backlight inverter. Replace the capacitors in-line to the 24v line. Replace capacitors with same uF and higher Voltage rating. EX: 1000uF 10v --> 1000uF 35v.
Fault two: Backlight inverter has blown surface mount fuse nearest the 24v input of the backlight inverter. If not the fuse, then backlight assembly will need changed based of serial # of the board.
Thank you, hope this helps!
Posted on Apr 13, 2011
SOURCE: I HAVE A 55 INCH
Please clarify the 'THE USUAL FIXES'
Testing remote control:
The remote control puts out IR (InfraRed) signal that human eyes cannot see, to find out if the remote is sending out the signal or not you just point the remote at the digital camera's Lens (Digital Camera can detect IR), you should see flashing light on the camera's screen when any one of the remote button is pushed. If you do see the flashing on the camera, then the problem is in the TV IR receiver or the main logic board; more troubleshooting with scope will be needed to look at the signals.
Posted on Jun 16, 2011
Try manually pressing the power/standby button on the tv (side or bottom) the red light should appear, most modern tv's will turn on simply by pressing the channel up or down on the tv itself.. But unfortunately in most cases, this seems to be an internal surge and needs a professional to inspect..
Posted on May 14, 2012
Power failures can cause all types of problems, have you firstly checked the fuse in the mains plug? If that is ok then it may have blown an internal fuse in the power supply board, these are there to protect the rest of the circuit from power surges.
Posted on Mar 24, 2009
It probably has a cracked circuit board. If you want to repair it on your own open it up and see if you can find where that cracked section is and see if you can resolder it back properly.
Posted on May 28, 2011
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