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General| Type | Oscilloscope |
|---|---|
| Channels | 2 |
| Vertical Sensitivity | 5 mV/div to 10 V/div |
| Max Input Voltage | 400 V (DC + AC peak) |
| Display Type | CRT |
| Probe Attenuation | 1X, 10X, 100X |
| Sample Rate | N/A (Analog Oscilloscope) |
| Trigger Modes | Normal, Single Sweep |
| Input Impedance | 1 MΩ |
Description of major front and rear panel controls and connectors.
Description of the Channel 1 preamp circuit, including input coupling and attenuator.
Description of the Channel 2 preamp circuit, highlighting differences from Channel 1.
Explanation of how the circuit selects channels for display and provides trigger signals.
Description of the final amplification stage for the vertical deflection signal.
Description of the circuit that produces the trigger pulse for the A portion of the CRT display.
Description of the circuit that produces the trigger pulse for the B portion of the CRT display.
Explanation of logic levels for sweep generation and CRT unblanking.
Description of the circuits that produce sawtooth voltages for horizontal deflection.
Description of the regulated power supplies providing operating power to the instrument.
Description of the circuit producing square-wave output signals for calibration.
Information on component replacement and instrument repair techniques.
List of test equipment and accessories needed for complete calibration.
Procedure for incoming inspection to determine instrument acceptability.
Guidelines for calibration for experienced technicians.
Procedure to return the 475 to correct calibration.
Schematic diagram of the Horizontal Amplifier circuit.
Schematic diagram of the CRT circuit.
List of mechanical parts for the front panel, including part numbers and descriptions.
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