Armstrong A20 and PCU25
Circuit Diagrams and Manuals related to
AudioMisc
website.
GIF images of User Manual supplied with Armstrog A20 and PCU25.
Front cover
Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 12
A20 Circuit Diagram
PCU25 Circuit Diagram sheet 1
PCU25 Circuit Diagram sheet 2
(N.B. Page 11 is a blank page for service notes.)
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