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4G curriculum (older)

For students clearing pending subjects of the 4G scheme (7-digit subject codes, e.g. 4341602). Students admitted under the current scheme study the 5G curriculum.

4341107 · Semester 4 · 4G scheme

Consumer Electronics & Maintenance

Notes and solutions following the Gujarat Technological University (GTU) syllabus for 4341107. Independent material — not issued by the university.

Electronics & Communication Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    9 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Problem Solver

Step-by-step solutions to typical problems.

PYQ Solutions

Past university papers, fully solved.

  • Solved past papers — detailed answers

    148 pages · English + ગુજરાતી

    Premium Preview · 27 pages

  • Solved past papers — short answers

    100 pages · English + ગુજરાતી

    Premium Preview · 4 pages

Syllabus units

Unit 1: Audio Systems9 h · 14 marks
  • Basic characteristics of sound signal
  • Audio level metering, decibel level in acoustic measurement
  • Microphone: working principle, sensitivity, nature of response, directional characteristics
  • Loud speaker: working principle, characteristic impedance, watt capacity
  • Sound recording
  • Public address (PA) system
  • Home theatre sound system, surround sound
Unit 2: Television Systems9 h · 14 marks
  • Colour TV standards, colour theory
  • Block diagram and operation of colour TV receiver
  • Operation of PAL-D decoder
  • Digital TV: Working with block diagram and technical specifications
  • Direct to Home (DTH) receiver
Unit 3: Domestic Appliances8 h · 14 marks
  • Microwave Oven
  • Washing Machine semi/fully automatic
  • Air conditioner and Refrigerators
  • Solar power system
Unit 4: Office Appliances8 h · 14 marks
  • MF printer inkjet and laser
  • CCTV
  • LCD/LED projector
  • Photocopier
Unit 5: Maintenance and troubleshooting8 h · 14 marks
  • Maintenance steps and its types
  • Preventive, predictive and breakdown maintenance
  • Maintenance and troubleshooting of Audio systems
  • Maintenance and troubleshooting of Digital TV
  • Maintenance and Troubleshooting procedure of home appliance
  • Maintenance and Troubleshooting procedure of office appliances

About this course

In developing nations demand of consumer electronic appliances is increasing day by day. This requires large number of technically trained men power in relevant industries. Equipments with electronic circuitry are increasingly being used in all the Industry and maintenance of them is the essential work for the proper functioning of the complete system. Looking towards the need of the country, in-depth knowledge for maintaining various electronics audio-video systems and home appliances is necessary for diploma engineering students. This subject will introduce the students with working principles, block diagram and advance features of consumer electronics appliances, which in-turn will develop skills to diagnosis fault and rectification of that in systematic way. This course will enable the students to develop skills to maintain the basic electronic circuitry used in the equipments, which are employed in Industry and in consumer goods segments.