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Video Engineering Practice Test: Troubleshooting
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Troubleshooting is a systematic process that involves identifying, diagnosing, and resolving problems, errors, and bugs. It's a logical, step-by-step approach to find the root cause of an issue and decide the best way to fix it.


Video troubleshooting topics include: Troubleshooting basics, maintenance policy, servicing and maintaining procedure. It also contains questions on troubleshooting fault Actions, shielding and grounding, vcrs and dvd players troubleshooting.

Related: Video Engineering Practice Test: Television Fundamentals

Video Engineering Practice Test: Troubleshooting
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25 Questions

1. Which is the very basic problem in troubleshooting in DVD players?
2. Which test is conducted by keeping the power supply ON in power supply unit in troubleshooting of power supply unit?
3. Signal tracing can be done by simple diode trace or CRO in circuit tracing techniques.
4. Elimination is the best method to catch any problem in troubleshooting in DVD.
5. In many circuits, the current return path is designated as ground.
6. Which error message do we often see on the DVD players because of spoilt DVD lens?
7. How much percent of the problems are related to ground in wiring of an audio system?
8. Which of the following is defined as average of the time taken in repair work?
9. Which section needs to be checked for faults if the playback works normally with the cassette and does not work properly with its own recording in troubleshooting in VCR?
10. The purpose of shielding is to increase noise currents from coupling into electrical measurements.
11. Which type of circuit has only one output but many different inputs?
12. Which of the following serves an important part in troubleshooting in VCRs?
13. Which of the following is defined as the thorough checking of equipment periodically as per the schedule prescribed in the service manual?
14. Faster the repair, lower should be the MTR (Mean Time to Repair) in corrective maintenance.
15. Which of the following pertains to integrating of million components on a single chip in modern electronic equipment?
16. How many types of interfering fields are there?
17. In isolation technique each stage is isolated from the end point on by one in troubleshooting of power supply unit.
18. From where does tracing start to determine the faulty component in an isolated stage in circuit tracing techniques?
19. Which of the following is the equation of availability?
20. A DVD player may not function properly because it has been imported from another country.
21. What is the full from of MTBF?
22. In which of the following player all the mechanical, electrical and electronic components need to work in harmony with each other?
23. In which test the power of supply unit is kept switched off and the resistance at the divergent point is measured in power supply unit in troubleshooting of power supply unit?
24. Which special equipment is used to test a VCR?
25. When the complexity of the system increases, chances of presence of intermittent fault increases.

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