TEST AND REPAIR INSTRUMENTS Nhóm Nguyễn Bá Duy Đỗ Văn Sang Trần Minh Đức Dương Văn Hùng Nguyễn Khắc Ngân Vũ Văn Chinh Task 1: - Voltmeter - Ammeter - Ohmmeter - Multimeter - Osscilloscope - Logic probe Task 2: Logic probe is used to measure voltage levels and pulses in digital circuits, determning the logic level on pins of logic chips 2 Function generator is used to test and adjust variety of elecctronic equipment such as audio amplifier Oscilloscope is used to mesure fast moving signal, show how a signal varies with time or relative to another signal Multimeter can be used to mesure voltage, current, resistance, Task 4: Lamp circuit test Oscillocpe Logic probe Ammeter Oscilloscope Frequency Measurements Task 5: 10 Three Gun Focuses Beam Deflection Vertically Plates Electrostatic Deflection Phosphor Task 6: A mangetic field is set up in the speker coil making the coil vibrates The coil pushes and pulls the speaker cone causing sound waves to be produced A voltage is applied to a quartz crytal making the quartz crytal expands and contracts A voltage is applied to the Y- plates causing the electron beam to be deflected Current flows through the filament causing the heater to glows Task 7: 10 CDs player aerial Charger AF amplifier Noise filter modulator Tape head cleaner RF power amplifier Vibration sesnors X- ray machince