Larry,
You’ll find a manual and a schematic here:
https://bama.edebris.com/manuals/drake/l7/
Hope that helps.
73,
Mickey Baker N4MB
Palm Beach Gardens, FL
On Sat, Jan 15, 2022 at 1:24 PM A Lawrence Fibich <lfibich@sbcglobal.net>
wrote:
> I could use assistance from anyone who knows this Drake Amplifier and it's
> power supply. 1st I have advertized widely for an original one to buy -
> nothing.2ndly I did get a 'home built' power supply but at a road block as
> how to connect parts of it. The HV section OK, and a secondary transformer
> provides a 120VAC to run through the on/off switch of the Amp to work the
> finals heaters circuit. But I come to 'stop' in trying to know/figure out
> what more it needs into the circuits to the right of the finals on the
> schematic - like the interlock, ALC, meter, etc. This homebuilt power
> supply does put out 5 VAC on the secondary but I don't know how to connect
> that to the Amp.Any assistance really appreciated.
> 73Larry FW6EFFair Oaks, CA (Sub of Sacramento, CA)
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