[R-390] R-390a AC Power Switch

[Drew P.]

Jim wrote:

[snipped]

> Could someone kindly point me toward a current source for
> the replacement of the 390A AC power switch.
> 
> My version has the following printed on it:
> 
> ACRO Switch
> 224 1624-00 IMD1 1A
> 
> I see that the previous owner replaced this switch, one of
> the only fixes or mods in the unit. The power supply had been converted > to solid state though.

We-i Lei steps up to the rescue again with his "Pearls of Wisdom". You will find the pertinent section here:

http://r-390a.net/Pearls/PwrSupply_switch.pdf

Drew