COT 309 WORKSHOP PRACTICE 2 Exam 2026
About this paper
COT 309: Examination paper for Maintenance of SMPS (Switch-Mode Power Supply) covering identification and functions of the ten main parts of a typical LCD monitor power supply board, their common failure modes and test methods, diagnosing a mains-voltage-mismatch appliance failure, general electrical servicing safety considerations, the functions of the RF filter/bridge rectifier/start-up resistors/large capacitors, and telecom-system power supply topics (power architectures, energy sources, site components, base-station power arrangement, and factors affecting battery life). Set by the College of Technology, University of Buea, instructors Tchinda and Ombick, January 2026.
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University of Buea
College of Technology - COT
WORKSHOP PRACTICE 2
Exam · First Semester · Level 300
From this paper
- 1.
Identify and give the main functions of the following parts on the LCD Monitor Power Supply Board bellow (10 X 1 marks)
- 2.
Give the possible failures of each part and how to test them. (10 X 1 marks)
At a glance
- Course code
- COT309 (COT 309)
- Type
- Exam
- Year
- 2026
- Level
- Level 300
- Semester
- First Semester
- Proposed solution
- Included
Where it's from
University
University of BueaFaculty
College of Technology - COT
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