atwater kent model 20

i have an arbe hooked up to the radio as per arbe diagrams all i get is a hum through my radiola speaker. do you know anyone who works on vintage radios in the youngstown ohio or pittsburgh penna area?

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do you have a schematic?

Have you checked ALL your Voltages
pink wire + 135 Vdc
yellow wire  + 90 Vdc
Brown wire + 45 Vdc
Maroon wire + A
Green wire -A _-B_ +C
Black wire -C
is the speaker hooked up and making any kind of sound?
is the Antenna hooked up? and long enough.

i have a model atwater kent 20 all tubes light but cannot get a station. i have checked the transformers they seem to be ok how do i check the components i am a novice