I have recently been given a TopVision PT1503N monitor TFT
> that is in non-working condition.
It appears to have a power supply problem that I
can't get sorted out. The unit is completely dead. No power - no
> indication of power. The DC 12V is on the powerline inside, but it
> won't startup when the power button is pressed.
> I'm wondering if anybody knows of a schematic that is available for this
machine.
I have 3 of these LCD monitors with the same problem!
> Any help appreciated.