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2nd Qrt Periodical Exam EPAS Major 5&6
Quiz by Adonis Santiago
Track each student's skills and progress in your Mastery dashboards
It is the science and study of sound.
It is an electronic device that increases the strength of of audio signal that pass trough it.
It is the unwanted or disturbing sound generated or produced by external and internal sources.
It is the effect of changing air pressure over.
The range of audible frequency for the human ear is between.
Identify what type of signal is illustrated.
Identify what type of signal is illustrated.
Identify the last stage of the AM/ Super heterodyne receiver that drives the speaker.
A type of diagram that shows the electronic symbols of components and its values.
Identify the voltage being measured on the Test Point A.
What are you going to do when a short circuit happened when you turn on the circuit?
When measuring the DC Voltages what procedure are you going to observe/take?
When connecting the LED on the test circuit what must be observed?
The value of the resistor across the output has change; The resistance became lower than the normal value. What would be the effect to its output or LED?
When testing the voltage of the circuit supplied by a 9DCV on test point A. What is the problem of the circuit if the voltmeter read 0DCV?
The part of the multi-meter that is used to connect to the circuit terminals.
The setting that is adjusted or set to select the type of meter to use on a multi-meter.
A multi-meter that has a digital output display.
A tool used to remove screw when assembling and dis-assembling the audio video products and systems.
The value of the resistor across the output has change; The resistance became lower than the normal value. What would be the effect to its output or LED?
This means arranging the tools and equipment in an order that promotes workflow.
To Calibrate a Multimeter (Analog), what comes after this step: Touch the test probe of your multimeter together.
The following are the first 4 steps in the Assembly of an Audio Amplifier. What is the third (3rd) step?
What is the waveform image that appears on the display of the oscilloscope when it initially turns on that means there is no signal or voltage present?
What is being measured on the volt/division scale of an oscilloscope?
During the process of diagnosing the faults and defects of consumer electronic products and systems. To prevent Electric shock from happening one must.
To protect the ear from sound with a noise level more than 85 dB while testing Amplifiers and Loudspeakers, or when operating motors and power drills. What set of P.P.E. is appropriate and follows the safety standard?
The following are preliminary steps in troubleshooting and repair of audio systems. What should come first.
An effective and safe way to discharge a large value filter capacitor is.
Way to identify a power supply that uses hot ground and cold ground is.
Service manual of an appliance or device under assembly and servicing is vital to the success of the job. To acquire a service manual this is a necessary thing to do.
What type of diagram found on a service manual that shows the different stages of the CRT TV that operates to process the Radio Frequency (RF) from the TV station to become a useful audio and video information
There are seven (7) basic steps in the standard procedure in the dis-assembly of Audio / Video products based on the EPAS Module 2 (Install Consumer Electronic Audio-Video Product and System). What step is to remove screws of the casing cover using appropriate screwdriver tip head, remove snaps, and fasteners using frying tool. Secure and classify screws and fasteners on to its individual containers?
What should Jonathan do to know the condition of the suspected defective resistor connected to the service unit that is malfunctioning.
What is the condition of the resistor with a color value of brown, black, red, gold if and an ohmmeter resistance reading of ZERO ohm.
Which of the following resistance readings of a resistor proves that the resistor has changed value and needs to be replaced.
During the maintenance and repair of Audio-Video appliance the following are procedures observed. What should come first?
What is the cause of the problem of NO POWER audio-video devices? When the fuse keeps on blowing.
What is the appropriate troubleshooting and maintenance information for an LCD TV with NO DISPLAY problem, Sound Normal Channel and Volume Ctrl Normal symptoms?
When replacing a large value capacitor to avoid the hazard is to discharge it first and the best way to do this is by.