Question about LG Flatron L1750S 17" LCD Monitor

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My screen when turned on, flash constantly, ie it goes black and comes back. the power button does not turn off. I tried disconnecting and reconnecting everything. this solves the problem temporarily but it comes at periodic intervals.

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It may have dying power supply due to bad DC filer caps in the power supply, that will be the first place to look.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_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.
Post back what you find.

Posted on Dec 29, 2010

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