Question about LG 42LC2D 42 in. LCD HDTV
Let's find out first if the remote is putting out the signal:
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.
Second: if the remote is putting out, then you need to look in the back of the TV for "IR REMOTE INPUT" jack in the back, insert a small headphone plug (such as MP3 player headphone plug) in and out a couple times to clean the IR receiver selector switch in side the jack and see if it works.
Please post back what you find.
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Posted on Mar 18, 2011
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Posted on Jan 02, 2017
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