Electronics

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Republic of the Philippines Department of Education PUBLIC TECHNICAL -VOCATIONAL

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TABLE OF CONTENTS

Course Design . . . 1

Course Structure. . . 2

Using Basic Electronic Hand Tools . . . 12

Performing Mensuration and Calculation. . . 18

Preparing and Interpreting Technical Drawing Used in Electronics. . . 22

Terminating and Connecting Electrical Wiring and Electronic Circuit . . . 27

Applying Quality Standard on Electronic Component Parts. . . 32

Assembling AC – DC Power Supply. . . .37

Maintaining and Repairing Electric Fan. . . ..41

Maintaining and Repairing Microwave Oven. . . .47

Maintaining and Repairing Blender. . . 53

Maintaining and Repairing Washing Machine . . . 59

Maintaining and Repairing Electric Flat Iron. . . 65

Maintaining and Repairing Rice Cooker. . . 71

Maintaining and Repairing Audio Products and System. . . 77

Maintaining and Repairing Audio – Video Products and System. . . 84

Servicing and Repairing Low - End Cellular Phone. . . 91

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COURSE DESIGN

COURSE TITLE : CONSUMER ELECTRONIC SERVICING

NOMINAL DURATION : 1,040 HRS QUALIFICATION LEVEL : CES NC II

COURSE DESCRIPTION: This course covers knowledge, skills and attitude in consumer electronics servicing. It deals with good housekeeping and safety, preparation of basic electronic materials and tools, performing mensuration and calculation, electronics technical drawing preparation and interpretation, electronics circuit connection, quality standards application, testing, assembling, maintaining and repairing electronically controlled domestic appliances.

ADMISSION TO THE PROGRAM

The students shall be admitted in Public Technical-Vocational High Schools upon compliance with the following requirements/qualifications

 Must have potential skill in any of the specialization of the components of TVE as reflected in the High School

Occupational Interest Inventory (HSOII) results.

 Must possess a desirable and healthy attitude towards skill activity.

 Must have passed interview and aptitude test.

 Must submit the following documents upon enrolment. - Form 138

- Parental consent for the students to undergo other related activities outside the school.

- Medical Certificate is issued by a government physician. - Certification of good moral character from the elementary

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COURSE STRUCTURE

SECOND YEAR UNIT OF

COMPETENCY MODULE TITLE LEARNING OUTCOME

Suggested No. of Hours Use Basic Electronic Hand Tools Using Basic Electronic Hand Tools LO 1. Identify functional basic electronic hand tools.

LO 2. Use appropriate electronic hand tools based on safety equivalent. LO 3. Maintain electronic hand tools. 60 Perform Mensuration and Calculation Performing Mensuration and Calculation LO 1. Select measuring instrument. LO 2. Carry out measurements and calculation. LO 3. Maintain measuring instruments. 40 Prepare and Interpret Technical Drawing Used in Electronics Preparing and Interpreting Technical Drawing Used in Electronics LO 1. Identify electronic components. LO 2. Interpret electronic diagrams. LO 3. Prepare electronic diagrams LO 4. Store Electronic diagrams according to established policies. 100 Terminate and Connect Electrical Wiring Terminating and Connecting LO 1. Make a simple electrical circuit. LO 2. Prepare and connect

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THIRD YEAR UNIT OF

COMPETENCY

MODULE TITLE

MODULE CONTENT Suggeste d No. of Hours Assemble and Disassemble Consumer Electronic Product and System Assembling AC – DC Power Supply

LO 1. Identify the parts and electronic

components of an Alternating Current – Direct Current (AC-DC) power supply. LO 2. Assemble AC-DC

power supply on the Printed Circuit Board.

50 Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Electric Fan

LO 1. Identify the parts and functions of an

electric fan. LO 2. Diagnose and

troubleshoot an electric fan.

LO3. Maintain and repair an electric fan. 60 Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Microwave Oven

LO1. Identify the parts and function of a

microwave oven. LO 2. Diagnose a microwave

oven and analyze the defects found.

LO 3: Maintain and repair a microwave oven. 30 electronic circuit Apply Quality Standards on Electronic Component Parts Applying Quality Standards on Electronic Component Parts LO 1. Assess quality of received electronic components. LO 2. Asses own work. LO3: Engage in quality

improvements.

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Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Blender

LO 1. Identify the parts and functions of a

blender. LO 2. Diagnose/

troubleshoot a blender defects. LO 3: Maintain and repair

blender 30 Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Washing Machine

LO 1. Identify the parts and functions of washing machine. LO 2. Diagnose/ troubleshoot washing machine defects.

LO 3: Maintain and repair washing machine. 70 Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Electric Flat Iron

LO 1. Identify the parts and functions of electric flat iron.

LO 2. Diagnose /

troubleshoot electric flat iron defects. LO 3. Maintain and repair

electric flat iron

30 Maintain and Repair Electronically Controlled Appliances Maintaining and Repairing Rice Cooker

LO 1. Identify the functions of the parts of a rice cooker.

LO2. Diagnose a rice cooker and analyze the defects found.

LO3: Maintain and repair a rice cooker.

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FOURTH YEAR UNIT OF

COMPETENCY MODULE TITLE MODULE CONTENT Suggested No. of Hours Maintain and Repair Audio – Video Products and System Maintaining and Repairing Audio Products and system

LO 1. Prepare audio tools and workplace for maintenance/repair of audio products. LO 2. Diagnose faults of

audio products and systems

LO 3 Maintain and repair audio products and system 75 Maintain and Repair Audio – Video Products and System Maintaining and Repairing Audio – Video Products and system LO 1. Prepare an audio video unit, tools and workplace for

maintenance and repair of audio-video product and system. LO2. Diagnose faults of

audio - video

products and system. LO3 Maintain and repair

audio - video

products and system.

100 Service and Repair of Cellular Phone Servicing and Repairing Low – End Cellular Phone

LO 1.Identify the parts of a low-end cellular phone unit and interpret the schematic diagram

LO2. Diagnose a low-end cellular phone unit and analyze the defects found.

LO3 Maintain and repair a low-end cellular phone unit. 90 Service and Repair of Cellular Phone Servicing and repairing High – End Cellular phone

LO 1.Identify the parts of a high - end cellular phone unit and interpret the schematic diagram

LO2. Diagnose and analyze

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ASSESSMENT METHOD:

Upon completion of each module, the students will be assessed through the following method:  Written examination  Demonstration  Interview  Direct observation  Oral examination

COURSE DELIVERY: (METHODOLOGY)

The program will build on the present knowledge, skills and attitude of the students; thus the conduct will be highly participative. The strategies will focus on interactive, self-directed and reflective approaches. Lecture-discussion, demonstration method and hands on workshop will be included in the delivery of the program.

RESOURCES:

Learning Elements/Handouts

 Electrical Safety

 Using Basic Electronic Hand Tools

 Diagrams

 Measuring resistance using VOM

 Connecting and Terminating Electronic Circuits

 Applying Quality Standards

 Electronic Component Testing

 Assembling AC – DC Power supply

high – end cellular phone unit.

LO3 Maintain and repair a high -end cellular phone unit.

LO 4. Test a repaired high – end cellular phone unit. LO 5. Install additional features

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 Maintaining and Repairing Washing Machine

 Maintaining and Repairing Electric Flat Iron

 Maintaining and Repairing Rice Cooker

 Maintaining and Repairing Audio Products and System

 Maintaining and Repairing Audio – Video Products and System

 Servicing and Repairing a Low – End Cellular Phone

 Servicing and Repairing a High – End Cellular Phone Selections/Collections of Video Programs

 Safety Practices in Workshop

 Electronic Hand Tools

 Electronic Components Transparency

 Diagrams

 Meter scale reading

 Measuring Voltage using VOM

 Parts of multi-tester

 Resistor Color Coding Chart

 Electronic Components Specification Equipment  Oscilloscope  Audio Generator  Distortion Analyzer  Frequency Counter  Sweep Generator  Signal Generator  Pattern Generator

 High Voltage Meter

 Audio Frequency Counter

 Analog/Digital Multitester

 Power Supply

 AM-FM Radio Receiver

 AM Radio Receiver

 Professional Audio/Public Address (PA) System

 MP3/MP4

 Television Set

 PC Monitor

 Cellular Phone Unit

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- Rubber gloves Domestic Appliances  Electric Fan  Microwave oven  Blender  Washing Machine

 Electric Flat Iron

 Rice Cooker Tools

 Driving Tools

o Screw Drivers (flat, Philips) o Allen Wrench (hex)

o Precision Screw Drivers

 Soldering/Desoldering Tools o Soldering Iron

o Soldering Stand o Desoldering Tool

o Hot Air Soldering Tool

 Splicing Tools

o Long Nose Pliers

o Diagonal Cutting Pliers o Wire Stripper

 Boring Tools o Mini-Drill

o Portable Electric Drill

 Cutting Tools o Utility Knife o Hacksaw  Auxiliary Tools o Ball-peen Hammer o Magnifying Glass o Paint Brush  Cleaning Brush  Cleaning Agent Materials

 Printed Circuit Board

 Ferric Chloride Solution

 Bread Board

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 Electronic Components  Speaker  Wires o Solid o Stranded  Masking Tape QUALIFICATION OF TEACHERS:

The teacher who will handle this course must possess the following qualifications:

 A graduate of BS in Electrical Engineering or BS in Industrial Education major in Electrical Technology/Electronics Technology with 21 units in Education course

 A professional teacher

 He/she must be a holder of at least National Certificate Level II, BWI and have undergone AQ1 and TQ1 Training.

BOOKS:

- Buban, Peter andSchmitt, Marshall. Technical Electricity and Electronics,

New York: Mc Graw-Hill: 1972.

- Grob, Bernard. Basic Electronics, 4th Edition; New York: Mc Graw-Hill

Company: 1977

- Grob, Bernard. Electronics Circuits and Application; McGraw-Hill Company,

USA: 1982

- Markus, John. Electronics Dictionary, 4th Edition; New York: McGraw-Hill

Company: 1945

- Tan, Michael Q., Gantalao, Fred T., Lasala, Rommel M. Simple Electronics; Andes Mountain Printers: 2004

- Enriquez, Marcelo T. Electronics Technology IV; Souvenir Publications, Inc.: 2003

- Pagarigan, Marconi and Bandi, Sharif. Practical Electronics Solid State Servicing, Quapo, Manila: Electrolab Corporation, 1986

Staff of Electronic Enthusiasts, Project & Circuits Volume 1, Manila: 1982 - Goldberg, Joel. Troubleshooting Electronic Devices; Delmar Publishers,

Inc:1994.

- Mukay, Masaaki, Kobayashi, Ryozzo. TV Troubleshooting Manual. Pictorial Printers, Ltd: 1988.

- Perozzo, James. Practical Electronics Troubleshooting: Delmar Publishers, Inc: 1992.

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- Ronan, David T. Practical VCR Repair; Delmar Publishers, Inc: 1995. - www.google.com - www.yahoo.com - http;//e-service.panasonic.com - http://uselessinfo.pwp.blueyonder.co.uk/hints_nokia.htm - http://uselessinfo.pwp.blueyonder.co.uk/nokia-dismantle.htm - http://repair4mobilephone.org/cell_phone.html - www.mobile-hardware.net - www.twisterflasher.com - http://uselessinfo.pwp.blueyonder.co.uk/hints_moto.htm - http://uselessinfo.pwp.blueyonder.co.uk/SIEMENSdismantle.htm - http://uselessinfo.pwp.blueyonder.co.uk/index.htm

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MODULES OF

INSTRUCTION

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UNIT OF COMPETENCY : USE BASIC ELECTRONIC HAND TOOLS

MODULE TITLE : Using Basic Electronic Hand Tools

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes on the choice of basic electronic hand tools their uses, proper handling and maintenance.

NOMINAL/ SUGGESTED DURATION : 60 hrs

CERTIFICATE LEVEL : NC II

PREREQUISITE : NONE

SUMMARY OF LEARNING OUTCOMES:

Upon completion of this module you should be able to: LO 1. identify functional basic electronic hand tools;

LO 2. use appropriate electronic hand tools based on safety equivalent; and

LO 3. maintain basic electronic hand tools.

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LO 1 Identify functional basic electronic hand tools

ASSESSMENT CRITERIA:

1. Electronic hand tools are identified and classified according to their applications.

2. Electronic hand tools are specified according to job requirements.

3. Functions of electronic hand tools are identified and explained.

CONTENTS:

 Classification of Electronic Hand Tool

 Functions of Various Electronic Hand Tools

 Identification of The Kinds of Electronic Hand Tools

 Specifying Electronic Hand Tools CONDITION:

Below are the classifications of electronic hand tools:

 Driving Tools

o Screw Drivers ( flat, Philips) o Allen Wrench (hex)

o Precision screw drivers

 Soldering/Desoldering Tools o Soldering iron

o Soldering stand o Desoldering tool

 Splicing Tools

o Long Nose Pliers

o Diagonal Cutting Pliers o Wire Stripper

 Boring Tools o Mini – Drill

o Portable Electric Drill

 Metal Files o Flat File

o Half – Round file o Round File

 Cutting Tools o Utility Knife o Hacksaw

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 Auxiliary Tools

o Ball – peen Hammer o Magnifying Glass o Paint Brush METHODOLOGIES:  Lecture  Group Discussion  Demonstration ASSESSMENT METHODS:

 Written test (objective type)

 Practical demonstration with oral questioning

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LO 2 Use appropriate electronic hand tools based on safety equivalent

1. Electronic tools are chosen in accordance with the job requirements.

2. Electronic tools are used in accordance with the manufacturer’s manual.

3. Safety procedures in using electronic hand tools are practiced.

CONTENTS:

 Use of Appropriate Electronic Hand Tools o Flat File

o Soldering Iron

 Safety Requirements with whe Use wf Personal Protective Equipment (PPE).

CONDITIONS:

The following resources are needed:

 Various electronic hand tools o Screw drivers (flat and Philips) o Pliers

- long nose pliers - diagonal pliers o Puncher

o Allen wrench (assorted) o Files (assorted)

o Hand Hacksaw with blade o Soldering iron o Desoldering tools o Ball hammer o Wrenches o Magnifying glass o Cleaning brush o Wire stripper o PPE

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o Electronic Hand tools manual o OHS manual

o Requisition slips

 PPE

 Workplace according to the given task/s

METHODOLOGIES:  Demonstration  Self-paced/ Discovery  Concept mapping ASSESSMENT METHODS:  Performance Test  Written test

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LO 3 Maintain electronic hand tools ASSESSMENT CRITERIA:

1. Routine maintenance of electronic hand tools is practiced. 2. Electronic tools are kept safely in a designated location. CONTENTS:

 Procedure in Maintaining Electronic Hand Tools

 Procedure in Storing Electronic Hand Tools

CONDITIONS:

 Storage area

 Hand tools

o Screw drivers (flat and Philips) o Pliers

- long nose pliers - diagonal pliers o Puncher

o Allen wrench (assorted) o Files (assorted)

o Hand Hacksaw with blade o Soldering iron

o Desoldering tools o Ball hammer

o Nut driver (assorted) o Magnifying glass o Cleaning brush o Wire stripper o PPE  Lubricants  Clean rags  Learning materials

o Hand tools manual o OHS manual o Requisition slips METHODOLOGIES:  Team Demonstration  Self-paced/ Discovery ASSESSMENT METHODS:

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UNIT OF COMPETENCY : PERFORM MENSURATION AND CALCULATION

MODULE TITLE : PERFORMING MENSURATION AND CALCULATION

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes needed to identify, care, handle and use measuring instruments.

Upon completion of this module you should be able to: LO 1. select measuring instruments;

LO 2. carry out measurements and calculation; and LO 3. maintain measuring instruments.

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LO 1 Select measuring instruments

1. Use of measuring tools is explained.

2. The scale of measuring instrument is interpreted.

3. Measuring instruments are specified per job requirements. CONTENTS:

1. Measuring Tools and Their Uses

2. Reading the Scale of Measuring Instruments 3. Specification of Measuring Tools and Instruments

CONDITIONS:

 Electronic components (resistor, capacitor etc.)

 Instruments - Steel rule

- Volt-Ohm-Milliameter

 Measuring Instrument Manual METHODOLOGIES:  Lecture  Discussion  Demonstration ASSESSMENT METHODS:

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LO 2 Carry out measurements and calculation

1. Calculations needed to complete tasks are performed. 2. Calculations involving conversion of units are interpreted. 3. Measurements are read based on the specific range

setting of the task.

4. Accurate measurements are obtained for a job. CONTENTS:

 Common Mathematical Prefixes

 Calibration of Measuring Instruments

 Conversion of Units (English to Metric & Vice Versa) for Measurement and Calculation

CONDITIONS:

- Calibration / Reading of measuring instruments - Instruments  Steel rule  Volt-Ohm-Milliammeter METHODOLOGIES:  Lecture  Discussion  Demonstration ASSESSMENT METHODS:  Written test

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LO 3 Maintain measuring instruments ASSESMENT CRITERIA:

1. Measuring instruments are handled properly.

2. Measuring instruments are cleaned before and after they are used.

3. Proper storage of instruments is undertaken according to the manufacturer’s specifications and standard operating

procedures. CONTENTS:

 Proper Handling of Measuring Instrument

 Proper Cleaning and Storing of Measuring Instruments CONDITIONS:

 Measuring Instruments a. Steel rule

b. Volt-Ohm Milliammeter

 Learning materials

a. Measuring instrument manual b. Requisition slip

 Cleaning materials (rags, etc.) METHODOLOGIES:

 Lecture

 Demonstration

 Role Playing ASSESMENT METHODS

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UNIT OF COMPETENCY : PREPARE AND INTERPRET TECHNICAL DRAWING USED IN ELECTRONICS

MODULE TITLE : PREPARING AND INTERPRETING TECHNICAL DRAWING USED IN ELECTRONICS

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes needed to prepare interpret diagrams, electronics abbreviation and drawings, symbols and dimensions.

NOMINAL/SUGGESTED DURATION : 100 hrs.

CERTIFICATE LEVEL : NC II

Upon completion of this module, you should be able to:

LO 1. identify electronic components; LO 2. interpret electronic diagrams; LO 3. prepare electronic diagrams; and

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LO 1 Identify electronic components ASSESSMENT CRITERIA:

1. Electronic components are classified based on their specification. 2. Electronic components are identified based on their functions. CONTENTS:

 Types of Electronic Components

 Functions of Electronic Components

 Kinds of Electronic Components o Resistor o Capacitor o Diode o Transistor o Thyristor o IC METHODOLOGIES:  Discussion

 Schematic Diagram Reading

 Actual Exposure in Electronics Circuitry. ASSESSMENT METHODS:

 Written test

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LO 2 Interpret electronic diagrams

1. Electronic diagram are identified according to job requirements. 2. The equivalent components are distinguished based on the

symbols given.

3. The connection of the electronic symbols in a circuit is traced. CONTENTS:

 Kinds of Electronic Diagrams o Pictorial Diagram o Block Diagram o Schematic Diagram o Wiring Diagram  Electronics Symbols CONDITIONS:

 Actual electronic components

 Diagrams o Schematic diagram o Pictorial o Block diagram o Wiring diagram METHODOLOGIES:  Lecture/Discussion

 Actual Diagram Reading

 Actual Exposure on Electronics Circuitry. ASSESSMENT METHODS:

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LO 3 Prepare electronic diagrams

1. The symbols appropriate to the electronic components are used in the electronic diagrams.

2. Electronic diagrams are drawn based on the requirements of the job.

3. All the specifications required by the job are detailed in the diagrams drawn.

CONTENTS:

 Guidelines in Drawing Diagrams

 Standard Diagrams in Electronics CONDITIONS:

 Instruments o Drawing board o Rulers o HB Pencil  Materials o Drawing paper

o Actual electronics component

 Learning materials o Diagrams  Schematic diagram  Pictorials diagram  Block diagram  Wiring diagram METHODOLOGIES:  Lecture  Demonstration ASSESSMENT METHODS:

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LO 4 Store electronic diagrams based on established policies

1. Electronic diagrams are recorded and an inventory is prepared. 2. Proper storage of diagram is undertaken.

CONTENTS:

 Recording of electronic diagrams

 Proper storage of electronic diagrams CONDITIONS:

 Storage area for technical drawings

 Catalog

 Manuals on care and maintenance procedure of electronic diagram.

METHODOLOGIES:

 Lecture

 Group Discussion ASSESSMENT METHODS:

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UNIT OF COMPETENCY : TERMINATE AND CONNECT ELECTRICAL WIRING AND ELECTRONIC CIRCUIT

MODULE TITLE : TERMINATING AND CONNECTING OF ELECTRICAL WIRING AND ELECTRONIC CIRCUIT

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes needed to

terminate and connect an electrical wiring and electronic circuit.

NOMINAL/SUGGESTED DURATION : 210 hrs

LO 1. make a simple electrical circuit;

LO 2. prepare and connect a simple circuit in electronics; and

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LO 1 Make a simple electrical circuit

1. A simple circuit is made based on the required specifications. 2. Appropriate electrical symbols are used.

3. The specifications of electronic components are indicated. CONTENTS:

 Components of Simple Circuit

 Electronic Symbols

 Parts of a Simple Circuit o source

o load o path o switch

 Procedure in Making Simple Circuit. CONDITIONS:

 Tools and materials o Pencil

o Ruler o Paper

 Sample of actual circuit

 Schematic diagram of a simple circuit

 Actual components of a simple circuit

 Handouts in circuit designing METHODOLOGIES:

 Discussion

 Demonstration ASSESSMENT METHODS:

 Performance test on designing a simple circuit

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LO 2 Prepare and connect a simple circuit in electronics ASSESSMENT CRITERIA:

1. Personal Protective Equipment & Occupational Health and Safety Policies are observed in accordance with industry standards.

2. Correct method in connection is used according to specification, requirements and safety policies.

3. Correct sequence of operation is followed according to the job specifications.

4. Electronic components are checked according to the specifications and task /s.

CONTENTS:

 Personal Protective Equipment

 Harnessing Wires

 Splices and Joints

 Circuit Analysis

 Circuit and Connection CONDITIONS:

 Manuals

o Personal Protective Equipment o Occupational Health & Safety o Electronic Hand tools

o Harnessing Wires o Splices and Joints

 Actual sample of splices and joints

 Materials and components o Wires o Cables o Electrical tape o Switch o Fuse o Bulb

 Tool set includes the following but not limited to: o pliers

o cutter

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METHODOLOGIES:

 Lecture/Discussion

 Demonstration

 Written test

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LO 3 Test a simple electrical and electronics circuit

1. Wiring/Circuit is checked in accordance with the circuit design. 2. Circuits are tested using the appropriate tools.

CONTENTS:

 Tools in Testing Circuits in Electronics

 Procedures in Testing a Simple Circuit CONDITIONS:

 Simple circuit

 Power supply(0-12 VDC)

 Tools set includes the following but not limited to; o pliers

o cutter

o screw driver (flat, Philip)

 Analog/digital multitester METHODOLOGIES:

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UNIT OF COMPETENCY : APPLY QUALITY STANDARDS ON ELECTRONIC COMPONENT PARTS

MODULE TITLE : APPLYING QUALITY STANDARDS ON ELECTRONIC COMPONENT PARTS

MODULE DESCRIPTOR : This module covers the knowledge, skills and attitudes needed to apply quality standards in the electronic components. The unit also includes the application of relevant safety procedures and regulations, organization procedures and customer requirements.

LO 1. assess quality of received electronic components; LO 2. assess own work; and

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LO 1 Assess quality of received electronic components

1. Quality of the electronic components is checked according to the specifications.

2. Quality standard electronic components are separated from sub-standard electronic components.

3. Electronic components, which do not conform to quality standard are identified and marked for disposal.

CONTENTS:

 Quality inspection procedure

 Identification and isolation of faulty electronic components.

 Samples of good and faulty electronic components. CONDITIONS:

 Assorted Electronic Components (20 pcs. for each kind)

 Multi-Tester METHODOLOGIES:

 Discussion

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LO 2 Assess own work

1. The quality standard set by the organization is followed.

2. Completed work is checked against the organizational work procedures on tools.

3. Information on the quality of the performance is recorded in accordance with the organizational quality procedures.

4. Deviations from specified quality standard and their causes are reported in accordance with the organizational work procedures.

CONTENTS:

 The PDCA Cycle

 Assessing One’s Work Using the PDCA Cycle CONDITIONS:

 Case study

 Report Form in Quality Improvements METHODOLOGIES:  Lecture  Discussion  Case study ASSESSMENT METHODS:  Written test  Case study

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LO 3 Engage in quality improvements ASSESSMENT CRITERIA:

1. Existing organizational work procedures are assessed.

2. Process improvement procedures are applied and implemented. 3. Information on quality of organizational performance is recorded. 4. Deviations from specified quality standards and their causes are reported.

5. Improvement in work procedures is recommended. CONTENTS:

 Assessing the Organizational Work Procedure

 Applying the PDCA Cycle in Organizational Work Improvement Procedure

 Preparing a Report and Recommendation CONDITIONS:

 Case study

 Report Form in Quality Improvement METHODOLOGIES:  Lecture  Group Discussion  Case study ASSESSMENT METHODS:  Role Playing  Case study

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MODULES OF

INSTRUCTION

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UNIT OF COMPETENCY : ASSEMBLE AND DISSAMBLE CONSUMER ELECTRONIC PRODUCTS AND SYSTEM

MODULE TITLE : ASSEMBLING AC-DC POWER SUPPLY

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes required to assemble consumer electronic products and systems.

LO 1. identify the parts and electronic components of an AC-DC power supply; and

LO 2. assemble AC-DC power supply on the printed circuit board.

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LO 1 Identify the parts and electronic components of an AC-DC Power supply

1. The types of AC – DC power supply are enumerated. 2. The parts of an AC-DC power supply are identified.

3. The electronic components needed to assemble an AC-DC power supply are listed and acquired.

CONTENTS:

1. Types of AC-DC Power Supply 2. Parts of AC-DC Power Supply

3. Electronic Components of AC-DC Power Supply

CONDITIONS:

The following resources are needed:  Textbooks

 Manuals

 AC-DC power supply METHODOLOGIES:

 Demonstration

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LO 2 Assemble AC-DC power supply on the printed circuit board

1. Printed circuit board design and etching of AC-DC power supply are prepared.

2. Electronic components are mounted and soldered at the appropriate location on the printed circuit board.

3. All auxiliary components including the transformer are interconnected on the printed circuit board.

4. Assembled AC-DC power supply is tested and defects are corrected.

CONTENTS:

 Designing and etching of printed circuit board of AC-DC power supply

 Mounting and Soldering Electronic Components on the Printed Circuit Board.

 Interconnecting All Auxiliary Components including the Transformers from the Chassis.

 Testing AC-DC Power Supply. CONDITIONS:

- Textbooks on AC/DC power supply assembly. - Manuals on occupation health and safety policies - Electronic tool and equipment

 Soldering Iron  Desoldering tool

 Screwdriver (Flat / Philip)  Wire stripper / Utility knife  Pliers

 Diagonal cutting pliers

 long nose pliers

 High grade magnifying glass with lamp  Cleaning brush

 Soldering lead  Cleaning agent  Wires

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 Pre-design Printed Circuit Boards (PCB)

 Mini drill with drill bit 91/16,1/8) with adaptor (+12VDC supply)

 Sand paper  Pencil  Ruler

 AC-DC power supply kit (1.5 – 12 volts variable power supply)

 Analog multi tester (voltmeter / VOM)

METHODOLOGIES:

 Group Discussion

 Demonstration

 Actual testing of AC/DC power supply

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UNIT OF COMPETENCY : MAINTAIN AND REPAIR

ELECTRONICALLY CONTROLLED DOMESTIC APPLIANCES

MODULE TITLE : MAINTAINING AND REPAIRING ELECTRIC FAN

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes on maintaining and repairing electric fan.

PRE-REQUISITE : NONE

Upon completion of this module, the you should be able to:

LO 1. identify the parts and functions of an electric fan; LO 2. diagnose and troubleshoot an electric fan; and LO 3. maintain and repair an electric fan.

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LO 1 Identify the parts and function of an electric fan

1. The operation of an electric fan is explained. 2. Parts of an electric fan are identified.

3. The functions of its parts are explained.

CONTENTS:

 The Operation of an Electric Fan

 The Parts of an Electric Fan are Identified

 Function of Each Part CONDITIONS:

 Actual part s of Electric Fan o External

 fan guard  blade

 stand

 switch/speed control  back & front cover  timer

 oscillating control o Internal

 Non –polarized capacitor  motor  resistor  gear  Integrated Circuit  Service manual METHODOLOGIES:  Lecture  Discussion  Demonstration

(45)

LO 2 Diagnose and troubleshoot an electric fan

1. Pre-testing procedure is followed in accordance with the manufacturer’s manual.

2. System defect/fault symptoms are identified using appropriate tools and equipment.

3. Identified defects and faults are explained to the responsible person.

4. Results of diagnosis and testing are documented.

5. Troubleshooting is performed in accordance with the service manual.

CONTENTS:

 Procedure and Techniques in Pre-Testing of The Electric fan

 Troubleshooting Procedure

 Tools for Testing

 Possible Faults and Corresponding Remedies - Mechanical faults

- Electrical faults -switch

-motor - wiring

- plugs and cords - fuse

CONDITIONS:

 Service Manual of electric fan

 Electric Fan o Functional o Defective

 Screw drivers (Philip, flat)

 Pliers

o Diagonal pliers o long nose pliers

o long chain nose pliers

 Soldering Iron

(46)

 Desoldering tools

 Cleaning brush

 Test jig

 High grade magnifying glass

METHODOLOGIES:

 Discussion

 Demonstration

 Self-paced/ Discovery

ASSESSMENT METHODS:

(47)

LO 3 Maintain and repair an electric fan ASSESSMENT CRITERIA:

1. Personal Protective Equipment are used in accordance with Occupational Health and Safety practices.

2. Electro-Static Discharge (ESD) protection procedure is followed. 3. Defective parts/components are replaced with identical

equivalent ratings and repaired at the specified location.

4. Control settings/adjustments are performed in conformity with service-manual specifications.

5. The unit is cleaned after the maintenance and repair activity. CONTENTS:

 Electro-Static Discharge (ESD) Protection Procedure

 Component Checking and Replacement

 Specification of Replacement Parts

 Repair Procedure

CONDITIONS:

 Testing Instruments

- Multi-testers (Analog/Digital)

 Electronic hand tools

- Screw drivers (Philip, flat) - Pliers

 diagonal pliers  long nose pliers

 long chain nose pliers - Soldering Iron

- Wire stripper - Desoldering tools - Cleaning brush

- Test jig

- High grade magnifying glass

 Personal Protective Equipment o Working Clothes/Apron o Hand gloves

(48)

 Workbench

 Materials

o Wire, various sizes o Soldering lead o Rags

o Cleaning brush o Soldering paste o Lubricants

o Job report sheets o Cleaning agent

 Spare Electronic components of electric fan o Capacitor

o Fusible resistor

 Spare motor

 Defective Electric fan

METHODOLOGIES:  Lecture / Discussion  Demonstration  Written test ASSESSMENT METHODS:  Demonstration

 Performance test on troubleshooting and repairing of electric fan

(49)

UNIT OF COMPETENCY : MAINTAIN AND REPAIR

MODULE TITLE : MAINTANING AND REPAIRING MICROWAVE OVEN

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes needed for maintaining and repairing a microwave oven

CERTIFICATE LEVEL : NC II

PREREQUISITE : NONE

LO 1. identify the parts and functions of a microwave oven;

LO 2. diagnose a microwave oven and analyze defects found; and

(50)

LO 1 Identify the parts and functions of a microwave oven ASSESSMENT CRITERIA:

1. The operation of a microwave oven is explained. 2. The parts of a microwave oven are identified. 3. The functions of its part are discussed. CONTENT:

 Operation of a Microwave Oven

 Parts of a Microwave Oven

 Function of its Parts CONDITIONS:

 Actual unit of microwave oven o Functional o Defective o Internal parts  Resistor  Diode  Capacitor  Integrated Circuit  Transistor  Transformer o External parts  Casing  Plug  Power Cord  Switch  Fuse  Manual o Service manual

o Parts of a microwave oven METHODOLOGIES:

(51)

LO 2 Diagnose a microwave oven and analyze the defects found ASSESSMENT CRITERIA:

1. Pre-testing procedure is performed in accordance with manufacturer’s instructions.

2. System defects/fault symptoms are identified using appropriate tools and equipment.

3. Identified defects and faults are explained to the responsible person.

4. Results of diagnosis and testing are documented and followed according to manufacture’s specification.

5. Troubleshooting is performed based on the service manual. 6. Safety practices are observed during troubleshooting of

microwave oven. CONTENT:

 Possible Faults and Corresponding Remedies

 Tools used in Pre-Testing a Microwave Oven

 Pre-Testing Procedure of a Microwave Oven

 Troubleshooting Procedure of a Microwave Oven

 Safety Practices in Troubleshooting Microwave Oven CONDITIONS

 Service Manual

 Microwave oven

o Functional microwave oven o Defective microwave oven

o Screw drivers (Philip, flat) o Pliers

- Diagonal pliers - long nose pliers

- long chain nose pliers o Soldering Iron o Wire stripper o Wrench (assorted) o Desoldering tools o Cleaning brush o Test jig

(52)

METHODOLOGIES:  Lecture/Discussion  Demonstration ASSESSMENT METHODS:  Written test  Demonstration

(53)

LO 3 Maintain and repair a microwave oven ASSESSMENT CRITERIA:

1. Personal protective equipment is used in accordance with Occupational Health and Safety practices.

2. Defective parts/components are replaced with identical equivalent ratings and repaired at the specified location.

4. Repair activity is performed within the required timeframe.

CONTENTS:

 Component Replacement Guide

 Procedures in Maintaining and Repairing of a Microwave Oven

CONDITIONS:

o Multi-testers (Analog/Digital)

o Screw drivers (assorted) o Pliers (assorted)

o Soldering Iron o Wire stripper

o Face/Dust Mask

 Workbench

 Materials

o Cleaning brush

 Reference Manual

(54)

METHODOLOGIES:

 Demonstration

(55)

ELECTRONICALLY CONTROLLED DOMESTIC APPLIANCES

MODULE TITLE : MAINTAINING AND REPARING A BLENDER

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes in maintaining and repairing a blender.

LO 1. identify the parts and functions of a blender; LO 2. diagnose/troubleshoot blender defects; and LO 3. maintain and repair blender.

(56)

LO 1 Identify the parts and functions of a blender

1. The parts and their functions are identified based on manufacturer’s service manual.

2. Parts are handled in accordance with manufacturer’s service manual.

CONTENT:

 Parts and Functions of Blender

CONDITIONS:

Students/trainees must be provided with the following:

 Blender o Internal parts  Motor  Thermal Fuse o External parts o Switch o Plug & cord o Casing o Blade  Manual o Service manual METHODOLOGIES:  Discussion  Demonstration  Self-paced/ Discovery ASSESSMENT METHODS:

(57)

LO 2 Diagnose/troubleshoot a blender defects

1. Pre-testing procedure is observed in accordance with the manufacturer’s instructions.

2. System defects/fault symptoms are identified using appropriate tools and equipment and in accordance with safety procedures. 3. Identified defects and faults are explained to the responsible

person (teacher as in the case of students) in accordance with the enterprise or company policy and procedures.

4. Results of diagnosis and testing are documented accurately and completely within the specified time frame.

5. Customers (Assessors/Teachers) are advised/informed regarding the status and serviceability of the unit as per procedure.

CONTENTS:

 Pre-testing Procedure of Blender

 Troubleshooting Guide (Faults and Remedies) of a Blender CONDITIONS:

 Service Manual

 Blender

- diagonal pliers - long nose pliers

- long chain nose pliers o Soldering Iron o Wire stripper o Wrench (assorted) o Desoldering tools o Cleaning brush o Test jig

o High grade magnifying glass METHODOLOGIES:

(58)

(59)

LO 3 Maintain and repair blender

1. Personal protective equipment is used in accordance with the Occupational Health and Safety practices.

2. Defective parts/components are replaced with identical equivalent ratings and repaired in accordance with the current industry standards.

3. Control settings/adjustments are performed in conformity with the service-manual specifications.

4. Repair activity is performed within the required time frame. 5. Cleaning of unit is performed in accordance with the standard

procedure. CONTENTS:

 Occupational Health and Safety Practices

 Procedure in Maintaining and Repairing a Blender CONDITIONS:

 Electronic hand tools o Screw drivers (assorted) o Pliers (assorted)

o Face/Dust Mask

 Workbench

 Materials

(60)

METHODOLOGIES:

 Demonstration

(61)

UNIT OF COMPETENCY : MAINTAIN AND REPAIR

MODULE TITLE : MAINTAINING AND REPAIRING WASHING MACHINE

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes on maintaining and repairing washing machine.

SUMMARY OF LEARNING OUTCOMES :

LO 1. identify the parts and functions of a washing machine; LO 2. diagnose/troubleshoot washing machine defects; and LO 3. maintain and repair washing machine.

(62)

LO 1 Identify the parts and functions of washing machine

1. The parts and their functions are identified based on manufacturer’s service manual.

2. Parts are handled in accordance with the manufacturer’s service manual.

CONTENTS:

 Parts and Functions of Washing Machine

 Block Diagram of Electronically Controlled Washing Machine

CONDITIONS:

 Washing Machine o Internal parts  Motor o External parts  Timer  Speed Control  Plug & Cord  Casing  Manual o Service manual METHODOLOGIES:  Discussion  Demonstration  Self-paced/ Discovery ASSESSMENT METHODS:

(63)

LO 2 Diagnose/troubleshoot washing machine defects

2. System defect and fault symptoms are identified using appropriate tools and equipment and in accordance with the safety procedure.

3. Identified defects and faults are explained to the responsible person (the teacher) in accordance with the enterprise or company policy and procedure.

4. Results of diagnosis and testing are documented accurately and completely within the specified timeframe.

CONTENTS:

 Procedure and Techniques in Performing Pre-testing of the Washing Machine

 Troubleshooting Guide (Faults & Remedies) for Washing Machine

 Procedure in Assembling and Disassembling Electric Fan

 Mechanical Faults in Washing Machine o gear

o bushing o spacers o washer o lubrication

 Electrical faults in washing machine. o switch

o motor o wiring

o plugs and cords o fuse

CONDITIONS:

 Washing Machine

(64)

 Service Manual of Washing Machine

o Diagonal Pliers o long nose pliers

o long chain nose pliers o Soldering Iron o Wire stripper o Wrench (assorted) o Desoldering tools o Cleaning brush o Test jig

o High grade magnifying glass

METHODOLOGIES:

 Discussion

 Demonstration

 Narrative report writing

(65)

LO 3 Maintain and repair washing machine

1. Personal protective equipment is used in accordance with the Occupational Health and Safety practices.

2. Electro-static discharge (ESD) protection procedure is followed in accordance with the current industry standards.

3. Defective parts/components are replaced with the identical equivalent ratings and repaired in accordance with the current industry standards.

5. Repair activity is performed within the required time frame. 6. Cleaning of unit is performed in accordance with standard

procedure.

CONTENTS:

 Occupational Health and Safety practices

 Electro-static Discharge (ESD) Protection Procedure

 Component Checking and Replacement of Washing Machine

 Procedures in Maintaining and Repairing of Washing Machine

CONDITIONS:

 Washing Machine

o Functional Washing Machine o Defective Washing Machine

(66)

o Working Clothes/Apron o Hand gloves o Face/Dust Mask o Goggles o Safety shoes o Workbench  Materials

o Wire, various sizes o Soldering lead o Rags o Cleaning brush METHODOLOGIES:  Demonstration  Group Discussion  Self-paced/ Discovery ASSESSMENT METHODS:

(67)

ELECTRONICALLY CONTROLLED DOMESTIC APPLIANCES

MODULE TITLE : MAINTAINING AND REPAIRING ELECTRIC FLAT IRON

MODULE DESCRIPTION : This unit covers the knowledge, skills and attitudes in maintaining and repairing electric flat iron.

LO 1. identify the parts and functions of electric flat iron; LO 2. diagnose/troubleshoot electric flat iron defects; and LO 3. maintain and repair electric flat iron.

(68)

LO 1 Identify the parts and function of electric flat iron

1. The parts of electric flat iron and their functions are identified based on the manufacturer’s service manual.

2. Parts are handled in accordance with the manufacturer’s service manual.

CONTENTS:

 Parts of Electric Flat Iron and its Function

 Functions of the Parts of Electric Flat Iron

CONDITIONS:

 Flat iron parts may include but not limited to o Internal Parts

 Thermal Fuse

 Heating Element o External Parts

 Plug & Cord  Casing  Handle  Manual o Service manual METHODOLOGIES:  Lecture/Discussion  Demonstration  Self-paced/ Discovery ASSESSMENT METHODS:

(69)

LO 2 Diagnose/troubleshoot electric flat iron defects

2. System defect/fault symptoms are identified using appropriate tools and equipment and in accordance with the safety procedures.

3. Identified defects and faults are explained to the responsible person (the teacher) in accordance with the enterprise or company policy and procedures.

4. Results of diagnosis and testing are documented accurately and completely within the specified time frame.

CONTENTS:

 Procedure and Techniques in Performing Pre-testing of the Electric Flat Iron

 Troubleshooting Guide (Faults & Remedies) of Electric Flat Iron

 Tools, Equipment and Devices in Troubleshooting Electric Flat Iron

CONDITIONS:

 Service Manual

 Electric Flat iron

o Functional Electric Flat Iron o Defective Electric Flat Iron

 diagonal pliers  long nose pliers  long chain nose pliers o Soldering Iron

o Wire stripper

 Wrench (assorted)

(70)

 Test jig METHODOLOGIES:  Lecture/ Discussion  Demonstration  Self-paced/ Discovery ASSESSMENT METHODS:

 Demonstration

(71)

LO 3 Maintain and repair electric flat iron

1. Personal protective equipment is used in accordance with Occupational Health and Safety practices.

2. Defective parts/components are replaced with identical equivalent ratings and repaired in accordance with the current industry standards.

4. Repair activity is performed within the required time frame. 5. Cleaning of unit is performed in accordance with standard

procedure.

CONTENTS:

 Procedures in Maintaining and Repairing of Electric Flat Iron

 Proper Care of Electric Flat Iron CONDITIONS:

 Electric Flat Iron

o Functional electric flat iron o Defective electric lat iron

o Face/Dust Mask

 Workbench

 Materials

o Wire, various sizes Soldering lead

(72)

o Cleaning brush

 Service manual

 Part list of electric flat iron

METHODOLOGIES:

 Demonstration

(73)

MODULE TITLE : MAINTAINING AND REPAIRING RICE COOKER

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes on maintaining and repairing rice cooker.

LO 1. identify the parts and functions of a rice cooker;

LO 2. diagnose a rice cooker and analyze the defects found; and LO 3. maintain and repair rice cooker.

(74)

LO 1 Identify the parts and functions of a rice cooker

1. The operation of a rice cooker is explained.

2. The parts of a rice cooker are identified based on the manufacturer’s manual.

3. The functions of each part are explained. CONTENTS:

 Operation of a Rice Cooker

 Parts of a Rice Cooker

 Functions of its Parts

 Applications and Uses of Rice Cooker

CONDITIONS:

 Actual Parts Rice Cooker o Internal parts

 Heating Element

 Switch

o External parts

 Plug & Cord  Casing  Pilot lamp METHODOLOGIES:  Lecture/ Discussion  Demonstration ASSESSMENT METHOD:

(75)

LO 2 Diagnose a rice cooker and analyze the defects found ASSESSMENT CRITERIA:

1. Pre-testing procedure is performed in accordance with the manufacturer’s instructions.

2. System defects/fault symptoms are identified using appropriate tools and equipment.

3. Identified defects and faults are explained to the person in authority.

4. Results of diagnosis and testing are documented.

5. Troubleshooting is performed in accordance with the service manual.

CONTENTS:

 Procedures and Techniques in Pre-Testing a Rice Cooker

 Possible Faults and Corresponding Remedies

 Tools, Equipment and Devices used in Troubleshooting a Rice Cooker

CONDITIONS:

 Rice cooker

o Functional Rice Cooker o Defective rice Cooker

 Tools, Equipment, Manuals

 Service Manual METHODOLOGIES:

(76)

LO 3 Maintain and repair a rice cooker ASSESSMENT CRITERIA:

1. Personal Protective Equipment is used in accordance with the Occupational Health and Safety practices.

2. Defective parts/components are replaced with the identical equivalent ratings and repaired at the specified location.

4. Repair activity is performed within the required time frame. 5. The unit is cleaned after the maintenance and repair activity. CONTENTS:

 Component Checking and Replacement of Rice Cooker

 Service-Manual Specifications of Rice Cooker

 Identifying the Specification of Replacement Parts of Rice Cooker

CONDITIONS:

 Rice Cooker

o Functional Rice Cooker o Defective Rice Cooker

 Electronic hand tools o Screw drivers (assorted) o Pliers (assorted)

o Wire stripper

 Workbench

 Materials

o Wire, various sizes o Rags

(77)

METHODOLOGIES:

 Demonstration

 Self-paced/ Discovery ASSESSMENT METHODS:

 Written test (objective type)  Demonstration

(78)

MODULES OF

INSTRUCTION

FOURTH

YEAR

(79)

UNIT OF COMPETENCY : MAINTAIN AND REPAIR AUDIO-VIDEO PRODUCTS AND SYSTEM

MODULE TITLE : MAINTAINING AND REPAIRING AUDIO PRODUCTS AND SYSTEM

MODULE DESCRIPTION : This module covers the knowledge, skills and attitudes required to maintain and repair audio products and system including diagnosing faults, reassembling and testing audio products and preparing reports.

PREREQUISITE : Before the student can take this module, he/she should be able to tests in different electronic

components. In case training is required, he/she may take the module applying quality standards.

LO 1. prepare audio units and workplace for maintenance/repair of audio products;

LO 2. diagnose faults of audio products and systems; and

(80)

LO 1 Prepare audio units, tools and workplace for maintenance and repair of audio products

1. Work station is cleaned for repair activities in line with the company requirements.

2. Necessary tools, test instruments and Personal Protective

Equipment are prepared in accordance with their application or use.

3. Service manuals and service information required for repair and maintenance are used as references.

CONTENTS:

 Work Safety Requirements

 Tools, Equipment and Devices for Repairing Audio Products and System.

 5’S Application CONDITIONS:

 Equipment

o AM- FM Radio Receiver o AM Radio receiver

o Professional audio/public address (PA) system (power amplifier) o MP3  Instruments o Signal Generator-AF/RF o Analog/Digital VOM o Oscilloscope o Power Supply

o Audio Frequency Counter o Distortion Analyzer

 Electronic Hand Tools Soldering Iron

(81)

o Pliers

o Long Nose Pliers o Diagonal Pliers

o Long Chain Nose Pliers o Utility Knife

o Cleaning Brush

 Supplies and Materials o Electronic Components o Soldering Lead o Wires o Silicon Grease o Soldering Flux o Requisition Slip  Accessories o PPE  Working clothes  Hand Gloves  Mask  Goggles  Learning Materials o Work Plan o Service Manuals o IC Manuals o Learning Elements METHODOLOGIES:  Lecture/Discussion  Demonstration  Self-paced/Modular approach  Simulation ASSESSMENT METHOD:  Demonstration