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General| Brand | Tektronix |
|---|---|
| Model | 544 |
| Category | Test Equipment |
| Language | English |
Overview of the Type 544 oscilloscope as a versatile laboratory instrument.
Details the dependence of vertical deflection characteristics on the plug-in unit and probe.
Describes sweep rate specifications and magnification capabilities.
Explains the selection of internal, plug-in, or line signals for triggering.
Details deflection factor characteristics when the HORIZONTAL DISPLAY switch is EXT.
Specifies the Type 544's CRT type, size, and viewing area.
Details line voltage, frequency, power consumption, and protection for power supplies.
Describes the construction and net weight of the instrument.
Details the purpose and function of each control and connector on the front panel.
Explains the three trigger coupling modes: DC, AC, and AC LF REJ.
Describes how the SLOPE switch determines response to positive or negative signal slopes.
Explains the AUTO STABILITY and TRIG modes for sweep triggering.
Describes how the TRIGGERING LEVEL control sets the amplitude point for sweep triggering.
Details how TIME/CM and HORIZONTAL DISPLAY switches control sweep rate.
Explains the use of the single-sweep feature for non-repetitive or varying signals.
Provides information on transformer and fan connections for various line voltages.
Describes the function of the polarized light filter for minimizing reflections.
Explains how to use external signals for horizontal deflection.
Overview of the section detailing the theory of operation for Type 544 circuits.
Analysis of the simplified block diagram showing Type 544 operation.
Details the operation of the low-voltage power supply system.
Discusses the use of Tektronix letter-series or 1-series vertical plug-in preamplifiers.
Describes the amplifier that processes the plug-in preamplifier output.
Explains the function of the delay line in the vertical signal path.
Details the amplifier that drives the CRT vertical deflection plates.
Describes the circuit that samples the input waveform for trigger circuits.
Explains the generator providing ramp voltages and unblanking signals.
Details the amplifier that processes Time Base or external signals for horizontal deflection.
Describes the amplifier providing gain for external horizontal signals.
Explains the high-voltage power supply for CRT operation.
Details the CRT type, features, and associated controls.
Describes the calibrator circuit providing square-wave outputs.
Detailed analysis of the various circuits within the Type 544.
Explains the DC-to-AC converter and transformer providing high-voltage outputs.
Describes how high-voltage outputs are regulated via the Hartley oscillator.
Outlines the components of the vertical amplifier system.
Details the push-pull output stage receiving external horizontal deflection signals.
Describes the amplifier that splits the signal into push-pull outputs.
Explains the output stages that drive the CRT deflection plates.
Details the driver tube that compensates for capacitance distortion.
Describes the preamplifier for externally applied horizontal deflection signals.
Details the 1-kHz square wave generator for voltage and current output.
Explains the astable multivibrator generating the square-wave signal.
Details the amplifier stage that terminates the delay line and amplifies vertical signals.
Describes the circuit providing reverse termination for the delay line.
Explains the sweep trigger and sweep generator circuits.
Details the circuit that generates a pulse to trigger the sweep generator.
Explains the circuit that produces sweep out and +gate out signals.
Describes the monostable multivibrator controlling sweep generator stability.
Explains the generation and application of unblanking pulses to the CRT.
Details the circuit that enables single-sweep operation mode.
Explains how sweep rate is determined by timing capacitors and resistors.
Details the amplifier system including input stages and paraphase amplifier.
Describes the initial amplifier stages receiving input signals.
Details the amplifier splitting signals into push-pull outputs for sweep magnification.
Explains the output stages driving the CRT deflection plates.
Details the driver tube compensating for capacitance distortion in the CRT.
Describes the preamplifier for external horizontal deflection signals.
Details the 1-kHz square wave generator for voltage and current output.
Explains the multivibrator circuit generating the square-wave signal.
Describes the selection of output amplitude steps for the calibrator.
Covers routine checks like visual inspection, cleaning, and lubrication.
Provides guidance on maintaining measurement accuracy through checks.
Details points to inspect for defects like broken connections or heat damage.
Explains how to clean the instrument's air filter and exterior surfaces.
Describes the periodic lubrication required for the fan motor.
Covers procedures for component replacement and troubleshooting.
Guidance on component replacement, lead dress, and calibration after repairs.
Lists component numbers associated with specific circuits.
Provides recommendations for soldering, including solder type and iron tip.
Discusses replacement procedures and checking for defective tubes/transistors.
Explains replacement of individual switch wafers and wafer numbering.
Details the procedure for removing and replacing the CRT.
Describes proper illumination and positioning of graticule lamps.
Provides instructions for removing and replacing ceramic terminal strips.
Guides users on isolating and identifying instrument malfunctions.
Explains how to use the CRT display and calibration procedures for troubleshooting.
Guidance on recalibrating the instrument for measurement accuracy.
Lists the necessary equipment for complete calibration of the Type 544.
Outlines initial steps before starting the calibration procedure.
Procedure to check and verify power supply voltage accuracy.
Procedure to check power supply regulation and output ripple amplitude.
Instruction to adjust the HIGH VOLTAGE control R840 for CRT circuit calibration.
Procedure to check high voltage regulation under varying line voltages.
Instruction to adjust the CAL AMPL control R943 for calibrator output accuracy.
Procedure to check the duty factor of the calibrator signal.
Instruction to adjust the TRACE ROTATION control for trace alignment.
Instruction to adjust the GEOMETRY control R861 for straight vertical lines.
Instruction to adjust VERT DC BAL control R1004 for vertical amplifier balance.
Instruction to adjust VERT GAIN control R1017 for vertical amplifier gain.
Procedure to check common-mode rejection of the vertical amplifier.
Coarse adjustment of trigger level centering and sensitivity controls.
Fine adjustment of trigger level centering and sensitivity controls.
Instruction to adjust INT TRIG DC LEVEL control R209 for internal trigger.
Procedure to check stable triggering with internal trigger settings.
Procedure to verify the TRIGGERING LEVEL control's zero set.
Checks the MAG ON and UNCALIBRATED neon indicators.
Instruction to adjust X10 CAL control R544 for magnified sweep calibration.
Instruction to adjust XI CAL control R566 for XI sweep calibration.
Instruction to adjust X100 CAL control R565 for magnified sweep calibration.
Procedure to check sweep-rate timing accuracy for magnified settings.
Instruction to adjust SWP/MAG REGIS control R569 for horizontal amplifier.
Instruction to adjust SWEEP LENGTH control R325.
Checks the VARIABLE control and UNCALIBRATED neon lamp.
Instruction to adjust capacitor C290C for 10-µSEC sweep rate timing.
Instruction to adjust capacitor C290B for 1-µSEC sweep rate timing.
Instruction to adjust capacitor C290A for 0.5-µSEC sweep rate timing.
Instruction to adjust capacitor C299 for 0.1-µSEC sweep rate timing.
Instruction to adjust capacitors C572 and C582 for sweep length compensation.
Instruction to adjust capacitor C591 for high-speed sweep linearity.
Instruction to adjust capacitors C576 and C586 for high-speed timing.
Instruction to adjust capacitor C557H for X10 magnified sweep compensation.
Instruction to adjust capacitors C557K and C557F for X20/X5 compensation.
Instruction to adjust capacitor C557D for X2 magnified sweep compensation.
Procedure to check magnified sweep compensation accuracy.
Procedure to check sweep timing accuracy across various rates.
Instruction to adjust EXT HORIZ DC BAL control R519.
Instruction to adjust EXT GAIN control R510 for external horizontal amplifier.
Instruction to adjust capacitor C524 for external horizontal amplifier output compensation.
Procedure to check the 10-to-1 range of the VARIABLE control.
Instruction to adjust capacitor C503C for X10 attenuator compensation.
Instruction to adjust capacitor C502C for X100 attenuator compensation.
Procedure to check and adjust high-frequency compensations for the vertical amplifier.
Procedure to check transient response compensation using SW1000.
Information on how to order replacement parts from Tektronix.
List of abbreviations and symbols used in the manual.
Explanation of special notes and symbols used in parts lists.
List of parts for the top view of the Type 544 oscilloscope.
List of parts for the right side view of the Type 544 oscilloscope.
List of parts for the left side view of the Type 544 oscilloscope.
List of parts for the bottom view of the Type 544 oscilloscope.
List of parts for the rear view of the Type 544 oscilloscope.
List of parts for the vertical amplifier chassis of the Type 544.
List of parts for the sweep chassis of the Type 544 oscilloscope.
List of parts for the high voltage chassis of the Type 544 oscilloscope.
List of parts for the power chassis of the Type 544 oscilloscope.
List of parts for the cabinet of the Type 544 oscilloscope.
List of accessories for the Type 544 oscilloscope.
List of bulbs used in the instrument with their specifications.
List of capacitors with their values, type, and voltage ratings.
List of diodes with part numbers and specifications.
List of fuses with current and voltage ratings.
Details the 16-contact female chassis connector.
List of inductors with their inductance values and specifications.
List of relays used in the instrument with their types.
List of transistors with part numbers and specifications.
List of resistors with values, tolerance, and wattage.
List of transformers with part numbers and types.
List of electron tubes with part numbers and types.
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