12V 4amp DC out 120Vac in power supply schematic needed

Hello, George! You wrote on Tue, 07 Mar 2006 08:44:39 GMT:

G> I am looking to build a power supply for a LCD flat panel monitor. G> Thanks

An old PC PSU can be utilised for this, with the benefit of good regulation. If you use a modern ATX unit short out pin 14 to ground to get it to start up. Yellow is +12V

With best regards, 3T39. E-mail: snipped-for-privacy@hotmail.com

Such power supplies are available dirt cheap, ready built. I wouldn't even consider building one. Had to renew the one on an HP LCD monitor here, recently. Just got a generic 12v 4amp switch mode psu from one of my normal component suppliers.

Arfa

You may need to provide a load on the +5 or other output for it to run stable. This was always required of older AT supplies, don't know how many ATX supplies require it.

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