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By segomarani on Jan 21, 2008

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Same Problem

Nov 22, 2008

-   Turned L1720PQ off will not come back on, nothing at all. I removed the cover of the LCD. There are no noticable issues all capacitor look good. Any ideas?-   dlekang

Best Solution

posted on Feb 20, 2008
Very Helpful)

kishkane
kishkane

Rank: Wiz 
Rating: 76%, 162 votes
Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
Good Luck!
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This Problem Also Relates To: HP W1707 LCD Monitor HP W2007 LCD Monitor HP f1905 (Gray) 19 in. Flat Panel LCD Monitor HP vs19 19" LCD Monitor HP w2207 Monitor Sony CPD E200 Monitor Philips 105S51, 15 in. (White) 15" CRT Monitor

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