Question about LG Computers & Internet
Im looking for tutorials and links to get it repaired
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Posted on Jan 02, 2017
First, check the power supply for the backlight. It's usually a 24 volt supply. Look for swollen caps. If that is ok, go to the inverter board and inspect for damage, ohm out the inverter transformers. Last is to test out the lamps seperately with an external inverter. If a lamp goes out this way, it is bad and causing the whole backlight to go out.
Posted on Apr 14, 2010
Before going to replace CCFL check the inverter of the CCFL. Normally the inverter get faulty. There is possibility that the winding of the high voltage transformer get shorted or its driver transistor may get faulty. check the same
Posted on Apr 15, 2011
This POST error code maybe -
one long, two short beeps
Posted on Dec 04, 2012
Testimonial: "I had already thought of that, but since I couldn't find any notebook beep code charts (there are plenty for desktops, instead) I asked for confirmation. This seems to be video card related. I think I'll just ditch this old notebook and get a new one. Thanks anyway."
you need to take it to a repairer. The backlighting module in the set needs replacing.
Posted on Dec 16, 2015
Well, you've done the easy part. The unit has sound and picture, but no backlight. The next part is tedious and delicate: dismantle the unit and find the cause. Many times, the problem is cabling or wiring, but once in a while the problem is control related. if the unit is under warranty, have it serviced by an authorized service dealer. If not, it's up to you. The new, flat tv's are super easy to wreck once the case comes off, so unless you really know what you're doing, it is very easy to justify paying a competent professional to repair the unit.
Posted on Jul 29, 2016
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