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General| Display | CRT |
|---|---|
| Power Requirements | 115/230 V AC, 50/60 Hz |
| Weight | 4.5 kg |
| Input Impedance | 1 MΩ |
| Trigger Modes | Auto, Normal, TV |
Essential safety guidelines for operating and servicing test equipment.
Defines the coverage of the service manual for Models 1403A and 1405.
Details the features and specifications of the Model 1403A and 1405 oscilloscopes.
Highlights differences between models and clarifies excluded models.
Specifies the cathode ray tube models used.
Details deflection sensitivity, frequency response, and input impedance.
Outlines deflection sensitivity and frequency response.
Lists sweep frequency range, linearity, synchronization, and intensity modulation.
States power requirements, physical dimensions, weight, and supplied accessories.
Details front panel controls such as power, input jacks, and mode switches.
Describes bottom panel adjustments like DC Balance and Horizontal Gain.
Covers rear panel adjustments for trace, intensity, focus, and terminals.
Explains the overall block diagram of the oscilloscope circuits.
Details the input circuit, attenuator, preamplifier, and final amplifier stages.
Describes the sweep generator, horizontal amplifier, and external operation modes.
Covers low voltage and high voltage power supply generation.
Procedure for adjusting the DC balance of the vertical amplifier.
Method for calibrating external horizontal sensitivity.
Procedure to correct trace tilt caused by magnetic fields.
Steps to adjust high-frequency response compensation.
Instructions for safely removing the case and replacing the unit's fuse.
Procedures for line voltage conversion and safe CRT removal/replacement.
Steps for removing the front panel assembly.
Sequence of checks to verify functional operation of the oscilloscope.
Guidance for diagnosing issues based on operational check failures.
Details on how and where to order replacement parts.
Lists resistors, capacitors, diodes, transistors, and switches with part numbers.
Lists chassis, knobs, CRT related parts, and packing materials.
Provides voltage measurements for transistors and CRT pins under specific conditions.
Notes differences in schematic and component changes by model and serial number.
Instructions and schematic for adding retrace blanking circuitry.
Instructions on how to adapt and use standard oscilloscope probes with the unit.
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