Ferrograph Studio 8 Manuals

Ferrograph Studio 8 Manuals

Currently, this section includes only scanned circuit diagrams and PCB layouts for the electronic sections of the Studio 8 tape recorders. The text pages of the user and maintenance manuals will follow in due course.

Caution: Some of these graphics are quite large.

Circuit Diagrams and PCB Layouts

• S1Y Signal Circuits Block Diagram (220K)
• S1Z Control Circuits Block Diagram (250K)
  
  
• C1Z Regulated Power Supplies Circuit (140K)
• C1.2 Spooling Servo, Motor Control and Regulated Power Supplies PCB (150K)
  
  
• C2Z Spooling Servo and Motor Control Circuit (250K)
  
  
• C3Z Control Logic Circuit (270K)
• C3.1 Control Logic Simplified Block Diagram (80K)
• C3.2 Control Unit and E.T.I. PCB (300K)
  
  
• C4Z Elapsed Time Indicator Circuit (350K)
  
  
• C5Z Capstan Servo Amplifier Circuit (260K)
• C5.4 Capstan Servo Amplifier PCB (80K)
  
  
• C6Z Solenoid Control Circuit (70K)
• C6.1 Solenoid Control PCB (20K)
  
  
• C7Z Lamp Drive, Bias Traps and ABC Source Circuit (110K)
• C7.1 Lamp Drive, Bias Traps and ABC Source PCB (50K)
  
  
• C8Z Bias And Erase Oscillator Circuit (100K)
• C8.2 Bias And Erase Oscillator PCB (50K)
  
  
• C9Z Microphone Amplifier Circuit (60K)
• C9.1 Microphone Amplifier PCB (60K)
  
  
• C10Z Record Amplifier Circuit (190K)
• C10.2 Record Amplifier PCB (70K)
  
  
• C11Z Replay Amplifier Circuit (150K)
• C11.1 Replay Amplifier PCB (60K)
  
  
• C12Z Line Drive Amplifier Circuit (80K)
• C12.1 Line Drive Amplifier PCB (40K)
  
  
• C13Z Monitor Amplifier Circuit (60K)
  
  
• C98Z Electronics Unit Interconnections (440K)
• C98Y Electronics Interconnections - Early Model Wiring Differences (70K)
• C98.1 Electronics Unit Mother Board PCB (180K)
  
  
• C99Z Control Logic Interconnections (420K)
• C99.1 Left-Hand Capacitor Bracket Layout (35K)
• C99.2 Right-Hand Capacitor Bracket Layout and Motor Drive PCB (35K)