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Hitachi V-222 - User Manual

Hitachi V-222
44 pages
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Summary

1. Specifications

CRT

Details about the Cathode Ray Tube, including type, screen size, and acceleration potential.

VERTICAL DEFLECTION SYSTEMS

Covers bandwidth, rise time, deflection factor, accuracy, and input impedance for vertical channels.

HORIZONTAL DEFLECTION SYSTEM

Details time base range, accuracy, and magnifier specifications for horizontal sweep.

TRIGGERING SYSTEM

Describes trigger modes, sources, slope, polarity, sensitivity, and coupling options.

3. PREVENTIVE MAINTENANCE

4. CALIBRATION

6. CIRCUIT DESCRIPTION

CHANNELS 1 and 2 VERTICAL PRE AMP

Describes the function and control of the vertical preamplifiers for input signals.

VERTICAL OUTPUT AMPLIFIER

Details the final amplification stage for vertical signals before they reach the CRT.

TRIGGER PREAMP

Describes the trigger preamp's role in amplifying trigger signals for synchronization.

TRIGGER GENERATOR

Explains how trigger pulses are generated to start sweep operations.

SWEEP GENERATOR

Details the function of the sweep generator in producing sawtooth voltages for horizontal deflection.

HORIZONTAL AMPLIFIER

Covers the horizontal amplifier's role in signal output to CRT deflection plates.

CRT CIRCUIT

Describes the high-voltage and control circuits necessary for CRT operation.

9. ELECTRICAL PARTS LIST

CH1 INPUT AMP and 2 nd ATTENUATOR

Lists components for the CH1 input amplifier and second attenuator stage.

CH2 INPUT AMP and 2 nd ATTENUATOR

Lists components for the CH2 input amplifier and second attenuator stage.

TRIG GENERATOR

Lists components for the trigger generator circuit.

Summary

1. Specifications

CRT

Details about the Cathode Ray Tube, including type, screen size, and acceleration potential.

VERTICAL DEFLECTION SYSTEMS

Covers bandwidth, rise time, deflection factor, accuracy, and input impedance for vertical channels.

HORIZONTAL DEFLECTION SYSTEM

Details time base range, accuracy, and magnifier specifications for horizontal sweep.

TRIGGERING SYSTEM

Describes trigger modes, sources, slope, polarity, sensitivity, and coupling options.

3. PREVENTIVE MAINTENANCE

4. CALIBRATION

6. CIRCUIT DESCRIPTION

CHANNELS 1 and 2 VERTICAL PRE AMP

Describes the function and control of the vertical preamplifiers for input signals.

VERTICAL OUTPUT AMPLIFIER

Details the final amplification stage for vertical signals before they reach the CRT.

TRIGGER PREAMP

Describes the trigger preamp's role in amplifying trigger signals for synchronization.

TRIGGER GENERATOR

Explains how trigger pulses are generated to start sweep operations.

SWEEP GENERATOR

Details the function of the sweep generator in producing sawtooth voltages for horizontal deflection.

HORIZONTAL AMPLIFIER

Covers the horizontal amplifier's role in signal output to CRT deflection plates.

CRT CIRCUIT

Describes the high-voltage and control circuits necessary for CRT operation.

9. ELECTRICAL PARTS LIST

CH1 INPUT AMP and 2 nd ATTENUATOR

Lists components for the CH1 input amplifier and second attenuator stage.

CH2 INPUT AMP and 2 nd ATTENUATOR

Lists components for the CH2 input amplifier and second attenuator stage.

TRIG GENERATOR

Lists components for the trigger generator circuit.

Hitachi V-222 Specifications

General IconGeneral
Bandwidth20 MHz
Number of Channels2
Vertical Sensitivity5 mV/div to 5 V/div
Trigger SourceCH1, CH2, Line, EXT
CRT Size6 inches
Max Input Voltage400 V (DC + AC peak)
DisplayCRT
Time Base0.2 μs/div to 0.5 s/div
Input Impedance1 MΩ || 25 pF
Trigger ModesAuto, Normal, TV
Power100, 120, 220, 240 VAC, 50/60 Hz

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