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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Which model of Inverter Board does HP pavilion f1503 uses? My backlight keeps on dimming after 10 secs of start up. please be spefic with the model number


The part is a "ribbon cable" for an lcd monitor...ribbon made by Youngshin (AWM 2896 30V 80C VW-1).

2 ribbon cables for a hp pavilion f1503 LCD monitor (the two from the AD board to the TCP)

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Also, looking for other LCD parts, particularly:
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It uses a sampo inverter (QPWBGL8621DG) & a AU Optronics M150XN05 LCD.

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Check out
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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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Check the backlight as well

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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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THis is a problem of the invertor board.If you are technically able you need to disasseble the monitor and resolder components around the red or yellow inverter transformers.
Samir

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

1 Answer

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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.

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