Question about Planar PL2010M 20" Flat Panel LCD Monitor
I replaced all 8ea of Cap.from Digikey but still same thing.
LED is on that indicates the power supply is working, so most likely you have there problem with inverter/backlight. To see easier how backlight behaves, unplug flat cable from processor board, so display itself won't be powered and light will go through it. Now if you turn on the monitor you will see the screen turns white for some short time and then turns off again. That's because CCFL driver chip turns into protection.
If you won't see any light, check the fuse on inverter and FETs in primary of inverter transformers.
If those are ok, next, you can localize the lamp, causing the problem - disconnect them one by one substituting with 27pf 3kV capacitors (equivalent load) and try turn on again until white light will stay for longer (while the controller is recognizing the signals from VGA input).
Post here the picture of inverter board (from the driver chip side).
Posted on Sep 10, 2009
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Posted on Jan 02, 2017
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Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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