Question about HP Pavilion F1503 15" LCD Flat Panel Monitor

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HP Pavilion F1503 LCD Monitor

The screen will come on very briefly, flicker and then go black. Is this the power inverter or the backlights? There are two backlights, and I don't see any red or yellow invertor transformers. I looked for an inverter online but can't find one for this model. Does it have one. I hope you can tell me what the problem is. Thanks, Pete

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  • kim002 Apr 10, 2008

    I do not know how to get the screen apart to do the things you have suggested. Can you help me?

  • peterb827 Apr 11, 2008

    There may be other issues, like a bad backlight, because after soldering it still did not work. Thanks for the advice. Pete

  • ichey103 Apr 28, 2008

    there are no brown/yellow/red transformers with a ferrite core in mine

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If you can see the backlight ,white 2pin connectors connect to invertor pCB.Look around these two connectors you should see 2 brown/yellow/red transformers with a ferrite core.These are the inverter transformers , resolder all pins and power transistors around it.
That should solve your proble.
Please provide feedback and rate this solution.
Samir.

Posted on Apr 08, 2008

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1 Answer

My moitor is powered up but the screen is showing black. I can see very very faint words.what is the problem


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replace the cold cathode tube power inverter circuit board; it's under the center bottom of your monitor screen

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Also, looking for other LCD parts, particularly:
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1800652667 as soon as hurricane Ike gets done with Houston, Texas. Or www.hp.com/go/support

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Normal problem is dry solder of Inverter transformer and/or transistors around it .
If you can see the backlight ,white 2pin connectors connect to invertor pCB.Look around these two connectors you should see 2 brown/yellow/red transformers with a ferrite core.These are the inverter transformers , resolder all pins and power transistors around it.
That should solve your proble.
Please provide feedback and rate this solution.
Samir.

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Samir

Mar 04, 2008 | HP Pavilion F1503 15" LCD Flat Panel...

1 Answer

Monitor goes black


If you can see the backlight ,white 2pin connectors connect to invertor pCB.Look around these two connectors you should see 2 brown/yellow/red transformers with a ferrite core.These are the inverter transformers , resolder all pins and power transistors around it.
That should solve your proble.
Please provide feedback and rate this solution.
Samir.

Aug 30, 2007 | HP Pavilion F1503 15" LCD Flat Panel...

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