Dell UltraSharp 1504FP 15" Flat Panel LCD Monitor Logo

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Anonymous Posted on Oct 20, 2009

My monitor(1504FP) only work for 4 seconds after you turn it on, Then it goes blank.so just to use it I have to constanly turn it on and off every 4 seconds. Ive used the blue cord on another comuter and monitor and it worked. I also used the cord and comuter with a different monitor and thay worked. so its deffenetly somthiong going on with moniter . WHAT UP WITH IT? [email protected]

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  • Contributor 10 Answers
  • Posted on Oct 21, 2009
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You monitor needs capacitors or a capacitor and maybe a bulb that is not to hard for a tech ,but depending on the size and scope of the monitor i would just buy a new one

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Powers up, screen visible for about 3 seconds then goes blank.

There are two versions of the power supply/inverter PCB assembly, you need to look inside to see if it has any bad caps with bulging tops first, then post back so we can guide you further.

http://lcdrepair.us/1504fp-inverter-power.html

http://lcdrepair.us/1504fp-power.html
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YOU NEED TO HAVE THE INVERTER BOARD REPLACED.
YOU CAN USUALLY FIN THEM ON E BAY OR YOU WILL HAVE TO TAKE IT IN IF YOU DON'T FEEL COMFORTABLE REPLACING IT YOURSELF.
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well friend if the fuse is the problem, you will not see any power light indicator. probably theres a problem in power supply circuits or most probably the horizontal deflection circuits. which includes the horizontal oscillator, horizontal drive, horizontal output and maybe the flyback itself. but if you dont know anything about this, better bring it to a qualified tv technician. good luck!
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