This set of Audio Video Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Troubleshooting in DVD Players”.
1. In which of the following player all the mechanical, electrical and electronic components need to work in harmony with each other?
a) DVD
b) CD
c) DVR
d) VCR
View Answer
Explanation: A DVD player consists of several components. It is a complex machine in which all the mechanical, electrical as well as the electronic components need to work in harmony with each other or else it may lead to faulty operation of the entire machine. While some problems are very difficult to solve, others are very simple and can be solved by simply restarting the player.
2. Which is the very basic problem in troubleshooting in DVD players?
a) Frequency
b) Substitution
c) Integration
d) Aspect ratio
View Answer
Explanation: The very basic problem in troubleshooting in DVD players is that of “Aspect Ratio”. Aspect ratio is the ratio of the width to height of the image produced on the screen. If the aspect ratio of the DVD player is improperly set, then it will produce a very thin image.
3. A DVD player may not function properly because it has been imported from another country.
a) True
b) False
View Answer
Explanation: The possible reason for DVD player not functioning properly is because it has been imported from another country. A DVD player which has been imported from another country might not work properly because it is incompatible with the television standards of your country. Standards of television differ across countries. The bandwidth of channel used in USA differs from that of India.
4. Which error message do we often see on the DVD players because of spoilt DVD lens?
a) “No disc”
b) “Unrecognized disc”
c) “Invalid format”
d) “Bad disc”
View Answer
Explanation: Often we have seen the error called “unrecognized disc” in our DVD players. This error is because of spoilt DVD lens. The Lens is spoiled by the accumulation of dirt, dust and grease. DVD lens may also produce unnecessary and unpleasant noise while the DVD is being played. In order to avoid such problems the disc and the lens needs to be cleaned.
5. Elimination is the best method to catch any problem in troubleshooting in DVD.
a) True
b) False
View Answer
Explanation: The above statement is false. Substitution is the best method to catch any problem in troubleshooting in DVD. If the remote control may not be functioning properly we should check if the batteries of the remote needs to be replaced. Substitute the old cell with some other/new cell and see if it is working.
Sanfoundry Global Education & Learning Series – Audio Video Engineering.
To practice all areas of Audio Video Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.
