Not Booting Power Supply Issues. No Red Light.

iMac G4 17 800 MHz EMC 1936

In the past I replaced a lot of the hardware on the machine.

other extensive ifixit fix.

But have always managed to get it going again. I am pretty sure the power supply was fading as I have had to use the hairdryer several times to warm it up, before going in to full boot.

It is dead. No boot chime noise, no fan noise. Now the when I open the bottom to do the SMC reset there is no Red Led.

Can anyone confirm this is the PSU that need replacing. I don't want to buy one to find the logic board has died.

Thanks for all your assistance in advance. I will keep you all updated.

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