Arcam - A75
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Service Manual A65 75 Issue 1 0 DiVA A65 A75 amp P75 Plus Amplifiers o o o o o lt ARCAM Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list A65 75 75P Plus Circuit Description PSU In order get the output devices to turn fully on and achieve the greatest efficiency an auxiliary rail is formed from a charge pump driven by the main AC outputs from the transformer C304 305 amp D301 302 charge on alternate cycles In the other cycle the charge on C304 305 is pumped into C310 311 respectively This creates a voltage much greater than the standard rails but with low regulation and high ri ...Click here to download the manual
Contents
Service Manual A65 75 Issue 1 0 DiVA A65 A75 amp P75 Plus Amplifiers o o o o o lt ARCAM Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list A65 75 75P Plus Circuit Description PSU In order get the output devices to turn fully on and achieve the greatest efficiency an auxiliary rail is formed from a charge pump driven by the main AC outputs from the transformer C304 305 amp D301 302 charge on alternate cycles In the other cycle the charge on C304 305 is pumped into C310 311 respectively This creates a voltage much greater than the standard rails but with low regulation and high ri ...Click here to download the manual
Contents
Service Manual A65 75 Issue 1 0 DiVA A65 A75 amp P75 Plus Amplifiers o o o o o lt ARCAM Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list A65 75 75P Plus Circuit Description PSU In order get the output devices to turn fully on and achieve the greatest efficiency an auxiliary rail is formed from a charge pump driven by the main AC outputs from the transformer C304 305 amp D301 302 charge on alternate cycles In the other cycle the charge on C304 305 is pumped into C310 311 respectively This creates a voltage much greater than the standard rails but with low regulation and high ri ...