Consumer Electronic Products and Systems Quiz W5
Authored by archill chillene
Computers
10th Grade
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of a television?
To project holographic images
To display text messages
To broadcast radio programs
To transmit visual images and sound
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to take if a television is not showing any sign of life?
Check the voltage across the AC power input connector
Replace the power supply unit
Inspect the circuit board for visible damage
Reset the television settings
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component may cause the B+ to go to the ground directly and block the power supply from starting?
Resistor R521
Horizontal output transistor (HOT)
Filter capacitor C403
Fly back Transformer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the possible problems if there is no voltage at the base of the Chopper Transistor?
The main capacitor has failed
The startup resistor has opened
The chopper transistor has shorted collector-emitter
The chopper transistor has shorted base-emitter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 19 volts output in a television?
To supply the microprocessor
To supply the vertical circuit
To supply the RGB circuit
To supply the audio circuit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the dummy load in a television circuit?
To discharge the main capacitor
To test the voltage at the base of the chopper transistor
To regulate the B+ supply
To supply power to the audio circuit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 13 volts output in a television?
To supply the microprocessor
To supply the vertical circuit
To supply the RGB circuit
To supply the audio circuit
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