CBLM 4 Interpret Technical Drawings
CBLM 4 Interpret Technical Drawings
CBLM 4 Interpret Technical Drawings
Sector:
ELECTRONICS SECTOR
Qualification:
Module Title:
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 1 of 70
HOW TO USE THIS COMPETENCY-BASED LEARNING MODULE
Remember to:
Work through all the information and complete the activities in each
section.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 2 of 70
Most probably your trainer will also be your supervisor or manager.
He/she is there to support you and show you the correct way to do things.
Use the self-checks, Task Sheets or Job Sheets at the end of each
section to test your own progress.
When you feel confident that you have had sufficient practice, ask
your Trainer to evaluate you. The results of your assessment will be
recorded in your Progress Chart and Accomplishment Chart.
SUMMARY OF COMPETECNCIES
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 3 of 70
MODULE CONTENT
Description: This unit covers the knowledge, skills and attitudes and
values needed to prepare/interpret diagrams, engineering
abbreviation and drawings, symbols, dimension.
LEARNING OUTCOMES
PERFORMANCE CRITERIA
1. Correct technical drawing is selected according to job requirements.
2. Technical drawings are segregated in accordance with the types and
kinds of drawings
3. Components, assemblies or objects are recognized as required.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 4 of 70
4. Dimensions of the key features of the objects depicted in the drawing
are correctly identified.
5. Symbols used in the drawing are identified and interpreted correctly.
6. Drawing is checked and validated against job requirements or
equipment in accordance with standard operating procedures.
7. Electrical/electronic schematic is drawn and correctly identified.
8. Correct drawing is identified, equipment are selected and used in
accordance with job requirements.
9. Care and maintenance of drawings are undertaken according to
company procedures.
10. Technical drawings are recorded and inventory is prepared in
accordance with company procedures.
11. Proper storage of instruments is undertaken according to company
procedures.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 5 of 70
LEARNING OUTCOME1
IDENTIFY DIFFERENT KINDS OF TECHNICAL DRAWINGS
Contents:
Drawing symbols and signs
Drawing lines
Assessment Criteria:
1. Sign, symbols, and data are identified according to job
specifications.
2. Sign, symbols and data are determined according to classification
or as appropriate in drawing.
Conditions:
1. Drawing Sheet
2. Pencil
3. Eraser
4. Triangle
5. T-square
6. Drawing board
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 6 of 70
AssessmentMethod:
Written Test
PerformanceTest
Demonstration
LEARNING EXPERIENCES
On alphabet of lines
Compare the answers to the answer keys.
Answer Self Checkno. 4.1-1
On orthographic projection
Read Information Sheet no. 4.1-2
On alphabet of lines
Compare the answers to the answer keys.
Answer Self Checkno. 4.1-2
On orthographic projection
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 7 of 70
PRETEST LO 1
DIRECTIONS: Write the letter of the best answer on the space provided for
before each number. Use another sheet of paper for your answer.
______ 1. A drawing instrument consisting of two parts namely the stock and
the blade,
joined together at right angles to each other by means of screws.
A. L-square C. T-square
B. Try square D. Protractor
______ 2. It is a combination of T-squares, scales, set squares, and
protractors attached to a drawing board.
A. Drafter C. Drawing set
B. Electronic template D. French curve
______ 3. This device includes symbols for electronic and electrical design
that can be traced using a drawing pencil.
A. Triangular rule C. French curve
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 8 of 70
______ 4. It is a smooth board usually rectangular in shape provided with
perfectly straight edge which is used as working edge on which the T-square
is moved while making drawings.
A. Drawing board C. T-square
B. Breadboard D. Set of squares
_______ 5. A drawing instrument with two legs hinged at one end and is used
for drawing circles and arcs of circles.
A. Drafting pen C. Technical pen
B. Compass D. Protractor
Criteria for Evaluating Results of Pre-Test
100%-skip the Learning Outcome and proceed to the next Learning
Outcome
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 9 of 70
Fig. 1-1a. Schematic diagram of the 1-watt stereo amplifier.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 10 of 70
Most symbols that you will encounter in laying out electronic
diagrams are accepted as standard, but in some cases some manufacturers
modify symbols and practices to suit a particular industrial policy while
others use their own symbols to represent unique or special component and
devices.
Some of the electronic symbols that were mentioned earlier are shown
in Fig. 1-2. You can use several electronic templates shown in Fig. 1-3 to
help you in drawing these symbols.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 11 of 70
Fig. 1-2. Schematic Symbols of Electronic Components.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 12 of 70
2. T-square. A T-square consists of two parts namely the stock and the
blade joined together at right angles to each other by means of screws. The
stock is made to slide along the working edge and the blade moves on the
drawing
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 13 of 70
Set squares. Set squares are generally made from plastic material.
They are triangular in shape with one corner, a triangle. A pair of set
squares (30o- 60o) and 45o. They are used to draw lines at 30o, 60o and
45o to the vertical or horizontal
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 14 of 70
pencil marked 4B is softer than 3B and so on. Beginning of a drawing may
be made with H or 2H. For lettering and dimensioning, H or HB pencils are
used.
7. Compass. Compass is used for drawing circles and arcs of circles. The
compass has two legs hinged at one end. One of the legs has pointed needle
fitted at the lower end where as the other end has provision for inserting
pencil lead.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 15 of 70
8. Drawing pins and clips. These are used to fix the drawing sheet on the
drawing board.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 16 of 70
Construction lines and guide lines are very light, easily erased lines used
to block in the main layout.
Visible lines are the edges or "outlines" of an object. They are drawn as
solid lines with a thick/heavy weight. All other lines contrast with the visible
lines by having either a thinner weight and/or a combination of dashes.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 17 of 70
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 18 of 70
SELF CHECK NO.4.1-1
ALPHABET OF LINES
Test 1 Draw at least five (5) drawing instruments, describe and give the
function of each.
Drawing Instrument Description Use
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 19 of 70
1. Identify the alphabet of lines by writing your answer on the space
provided.
7)_______
_
1)._______
8)________
2)_______
9)________
3)______ 10)________
4)______ 11)_______
5)_______
12)_________
6)______
ANSWER KEY NO.4.1-1
ALPHABET OF LINES
Test 1
Refer to the information sheet
Test 2
1. Visible or outline
2. Hidden or invisible line
3. Center line
4. Dimension line
5. Extension line
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 20 of 70
6. Leader line
7. Short break line
8. Long break line
9. Cutting plane line
10. Section line
11. Viewing-plane line
12. Phantom line
A. Orthographic Projection
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 21 of 70
An orthographic projection is a representation of separate views of an object
on a two- dimensional surface. It reveals the width, depth and height of the
object.
Ortho means “straight or at right angle” and graphic means “written or
drawn”. Projection comes from two Latin words: “pro,” meaning “forward,”
and “jacere,” meaning “to throw.”
The projection is achieved by viewing the object from a point
assumed to be at infinity (an indefinitely great distance away). The line of
sight orprojectors are parallel to each other and perpendicular to the plane
of projection.
1. Select the number of views necessary to represent the object. This may
require only one view or as many as all six views. Only draw as many views
as are necessary.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 22 of 70
a. Best describes contour shape.
b. Contains the least number of hidden lines.
c. Is usually the longest view.
d. Shows object in normal position.
Figure 2. Objects
with very little thickness require only one view
3. Select alternate position for right side view of drawing area is crowded.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 23 of 70
Figure 4.Normal location Figure 5. Alternate location
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 24 of 70
2. Determine the number of views
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 25 of 70
5. Lay off the principal measurements
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 26 of 70
SELF- CHECK NO. 4.1-2
ORTHOGRAPHIC PROJECTION
MULTIPLE CHOICE.
Direction: Read each state or question; Select the correct answer listed
below. Write your answer on the space provided before each number.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 27 of 70
a. top view b. front view c. bottom view d. rear view
______3. Found at the back of the front view.
a. rear view b. side view c. frontal plane d. none of the above
______4. The perpendicular distance between two profile plane
a. length b. width c. depth d. height
______5. The perpendicular distance between two horizontal plane
a. height b. depth c. width d. length
______6. The word orthographic comes from the two Greek words ortho and
graphos meaning
a. forward b. straight/at right angle c. to write/to draw d. both b & c
______7. The perpendicular distance between two frontal plane
a. width b. length c. depth d. height
Check your answer with the answer key below. If you fail to get it right, refer
back to corresponding resources until you make it perfect.
1. A
2. C
3. A
4. B
5. A
6. D
7. C
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 28 of 70
OBSERVATION Checklist (Formative - per LO assessment)
Candidate Name :
Qualification : Electronic Product Assembly and Servicing NC II
Unit of Competency : Interpret Technical Drawing
Learning Outcome 1 :Identify different kinds of technical drawings
Assessment Criteria
Did the trainee perform the following: YES NO
1. Necessary tools, materials and equipment are identified
according to the plan
2. Supplies and materials are listed according to
specifications
3. Components, assemblies or objects are recognized as
required
4. Dimensions are identified as appropriate to the plan
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 29 of 70
5. Specification details are matched with existing/available
resources and in line with job requirements
6. Work plan is drawn following the specifications
Feed back to candidate
Candidate Signature
Trainer signature Date
LEARNING OUTCOME 2
Contents:
Basic technical drawing
Technical plans and diagrams
Assessment Criteria:
1. Components, assemblies or objects are recognized as required.
2. Dimensions of the key features of the objects depicted in the drawing
are correctly identified.
3. Symbols used in the drawing are identified and interpreted correctly.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 30 of 70
4. Drawing is checked and validated against job requirements or
equipment in accordance with standard operating procedures.
Conditions:
1. Drawing Sheet
2. Pencil
3. Eraser
4. Triangle
5. T-square
6. Drawing board
Assessment Method:
1. Written Test
2. PerformanceTest
3. Demonstration
LEARNING EXPERIENCES
Interpret technical drawing
Learning outcome # 2
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 31 of 70
Special Instructions
Learning Activities
Trainees Will ask instructor of the Instructor will provide the learning materials in
Interpreting Technical Drawing
materials to be used
Read information sheet 4.2_1
Refer your answer to the answer sheet in the next
Perform Self-Check 4.2-1
page
Read information sheet 4.2_2
Refer your answer to the answer sheet in the next
Perform Self-Check 4.2-2
page
PRETEST LO 2.1
Directions: Match the electronic and electrical symbols in Column A with
the corresponding descriptions in column B. Write the letter of
your answer on the space provided before each number.
Column A Column B
______ 1. A. Capacitor
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 32 of 70
______ 2. B. Transistor
______ 3. C. Transformer
______ 4. D. Fuse
______ 5. E. Resistor
F. Diode
ELECTRONIC COMPONETNTS
Resistor
A resistor is a device with a known value of resistance. Its main
function is to reduce voltage and to limit the flow of current in a circuit. This
resistance is actually the opposition that a component or material offers to
the flow of current. Resistance may or may not be useful in circuit/s. When
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 33 of 70
too much current passes through a conductor, (solid, liquid, gas through
which electrons pass easily) the resistance of the conductor may cause it to
become hot. This, in turn, can create a fire hazard or cause the conductor to
burn out. In this case, it is not desirable. In other cases, when it is placed
intentionally in the circuit, it performs its specific task.
Symbol of Resistor
Fixed
Variable
Fixed Resistors
It is a single value resistance, which remains the same under the
normal condition. The two common kinds of fixed resistors are carbon
resistor and film-type resistor.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 34 of 70
Potentiometer Rheostat
Both devices have a sliding arm that brings into contact with the
resistance element. In most variable resistors the arm is attached to the
shaft that can be adjusted Element changes.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 35 of 70
Resistor Power Rating
Power rating of resistors changes with their sizes, the bigger the
resistor the greater the wattages and the smaller the resistor the lesser the
wattage. Different sizes of resistors are shown below which are drawn to the
exact proportion.
5 watts 2 watts
1 watts
½ watts
¼ watts
1/8 watt
Characteristics of Capacitor:
1. It can store electric charge even though the voltage source is already is
connected.
2. It can discharge electrical voltages.
Symbols of Capacitor
Axial Leads Radial Leads Computer Grade Snap Mount Twist Lock Surface Mount
Solid Tantalum Solid Tantalum Foil Tantalum Dipped Tantalum Wet Tantalum Surface Mount
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 37 of 70
( Axial Leads ) ( Radial Leads ) ( Axial Leads )
Ceramic Capacitors
1. Semiconductor Diodes
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 38 of 70
2. Bipolar Junction Transistors (BJT)
PNP NPN
PICTORIAL SYMBOLS
Pictorial Pictorial
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 39 of 70
Pictorial Package
SELF-CHECK 4.2_1
DIRECTION: Draw the schematic symbol and physical appearance of the
following electronic components and give the function(s) of each (Table 1-1).
Table 1-1 Electronic Components
Type / Symbol Actual Physical appearance Application/ Uses
1. NPN Transistor
2. Zener diode
3. Polarized capacitor
5. PNP transistor
6. Battery
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 40 of 70
7. Variable capacitor
8. Potentiometer
All electronic circuits from the simplest to the most complex design
need diagrams to be used as reference in designing, modifying, and
troubleshooting the circuit. The most common used electronic diagrams are
schematic, pictorial, wiring, and block diagrams. Each one of these
diagrams has its own unique characteristics in presenting the circuit. The
different diagrams that you should be familiar with are the following:
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 41 of 70
Pictorial Diagram of a Regulated Power Supply
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 42 of 70
Schematic Diagram of a Regulated Power Supply (power transformer is
NOT shown)
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 43 of 70
Wiring diagram of a selector switch for different input multi-media
equipment
Self-Check 4.2_2
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 44 of 70
DIRECTIONS: Shown below are different electronic diagrams. Write the
name of the diagram in the space provided for at the bottom of each
diagram.
1. ----------------------------
2. _____________________
3.
______________________
4.
______________________
5.
______________________
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 45 of 70
2. Block Diagram
3. Pictorial diagram
4. Schematic diagram
5. Wiring diagram
LEARNING OUTCOME 3
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 46 of 70
PREPARE/MAKE CHANGES TO ELECTRICAL/ELECTRONIC
SCHEMATICS AND DRAWINGS
Content:
1. Numerical Values of Components and Suffix Letters
2. Lines and Line Thickness,
3. Layout
Assessment Criteria:
1. Electrical/electronic schematic is drawn and correctly identified.
2. Correct drawing is identified, equipment are selected and used in
accordance with job requirements.
Conditions:
7. Drawing Sheet
8. Pencil
9. Eraser
10. Triangle
11. T-square
Assessment Method:
1. Written Test
2. PerformanceTest
3. Demonstration
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 47 of 70
LEARNING EXPERIENCES
Prepare/make changes to electrical/ electronic
Learning outcome
schematics and drawings
Special Instructions
Learning Activities
Trainees Will ask instructor of the Instructor will provide the learning materials in
Interpreting Technical Drawing
materials to be used
Read Information Sheet no. 4.3-1
On alphabet of lines
Compare the answers to the answer keys.
Answer Self Checkno. 4.3-1
On orthographic projection
Read Information Sheet no.4.3-2
Compare the answers to the answer keys.
Answer Self Check no. 4.3-2
Your facilitator will check your work
Perform Operation sheet 4.3_1
PRETEST LO 3
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 48 of 70
Direction: Answer the following questions. Write the letter of the correct
answer in the space provided.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 49 of 70
INFORMATION SHEET 4.3_1
PREPARE/MAKE CHANGES TO ELECTRICAL/ ELECTRONIC
SCHEMATICS AND DRAWINGS
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 50 of 70
Reference Designations
The symbols used to represent various components on a circuit
diagram are most often accompanied by a combination of letters that
identify the components but are not themselves a part of the symbol (Table
3-1).
Suffix Letters
Suffix letters are used to identify separate parts of a unit upon a
diagram when such components appear as a single, enclosed unit as shown
in Fig. 3-2. C1A and C1B are the suffix letters used in the diagram.
Layout
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 52 of 70
The layout or form of a diagram should show the main features
prominently. The parts of a diagram should be carefully spaced to provide
an even balance between blank spaces and lines. Enough blank space
should be left in the areas near symbols to avoid crowding any necessary
notes or reference information (Fig. 3-3).
Connecting Lines
Lines connecting symbols and other parts on a diagram should,
whenever possible, be drawn either horizontally or vertically. As a general
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 53 of 70
rule, no more than three lines should be drawn to any point on a circuit
diagram (Fig. 3-4A). This procedure reduces the possibility of line crowding
that could make the interpretation of a diagram more difficult than
necessary.
Recommended
Fig. 3-4. Connecting lines. (A) recommended and undesirable methods
of drawing lines to a point upon a diagram, (B) two “groups” of connecting
lines drawn parallel to each other.
When connecting lines are drawn parallel to each other, the space between
them should be at least 1/16 inch when the diagram is reduced to a final
size.
Interrupted Lines
Connecting lines whether single or in groups, may be interrupted
when a diagram does not provide for a continuation of these lines to their
final destination. When a single line is interrupted, the line identification
can also indicate the destination (Fig. 3-5A). When groups of lines are
interrupted, the destination of the lines is usually given in conjunction with
brackets (Fig. 3-5B). In all cases, the lines should be located as close as
possible to the point of interruption.
Input output
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 54 of 70
Dashed Lines
Dashed lines (------) are used on schematic and other types of
diagrams to show a mechanical linkage between components or parts of
components (Fig. 3-6).
Fig. 3-6. Dashed lines are used to indicate the mechanical linkage of a 2-
pole, 3-position selector switch.
SELF-CHECK 4.3_1
DIRECTION: Write the letter of the best answer on the space provided for
before each number.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 55 of 70
______ 1. A letter designation is written near or beside a symbol to indicate
what type of component that symbol is. The letter designation for transistor
is ______.
A. Q C. S
B. R D. T
______ 2. These types of lines are used to show mechanical linkages between
components or parts of components on schematic diagram.
A. Connecting lines C. Medium lines
B. Dashed lines D. Thin lines
______ 3. This punctuation mark used to show the destination of grouped
interrupted lines in a diagram.
A. Bracket C. Open and close quotations
B. Comma D. Question mark
______ 4. To avoid crowding of any necessary notes or reference information,
enough blank space should be left in the areas near WHICH of the following
elements on a schematic diagram.
A. Component labels C. Dashed lines
B. Connecting lines D. Symbols
_______5. In a schematic diagram, values of resistors are usually labeled in
this unit otherwise noted by the manufacturer.
A. KΩ C. Ohms
B. MΩ D. Resistance
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 56 of 70
3. A
4. D
5. C
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 57 of 70
I. Directions: Using your electronic template, redraw the schematic diagram
of a six-input mixer shown below. Label all components using the values
listed as parts list. Be sure to follow the rules in drawing symbols.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 58 of 70
III. DIRECTION: Shown in Fig. 3-7A is a schematic diagram of a 50-watt
booster amplifier and in Fig. 3-7B is its pictorial diagram. Redraw the
pictorial diagram and write in Table 3-3 the name of components/devices
indicated by arrows and give their functions.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 59 of 70
Fig. 3-7A. Schematic diagram of a 50-watt booster amplifier.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 60 of 70
Table 3-3. Name of components, devices and their functions.
Name of component/device Function in the circuit
1
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 61 of 70
PERFORMANCE CRITERIA CHECKLIST
TASK SHEET 4.3-1
LEARNING OUTCOME 4
STORE TECHNICAL DRAWINGS AND EQUIPMENT /INSTRUMENTS
Content:
1. Store Technical Drawing
2. Storing Drawing Equipment/ Drawing instruments
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 63 of 70
3. Forms
Assessment Criteria:
1. Care and maintenance of drawings are undertaken according to
company procedures.
2. Technical drawings are recorded and inventory is prepared in
accordance with company procedures.
3. Proper storage of instruments is undertaken according to company
procedures.
Conditions:
Assessment Method:
Written Test
PerformanceTest
Demonstration
LEARNING EXPERIENCES
Store Technical Drawings And Equipment
Learning outcome 4
/Instruments
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 64 of 70
Special Instructions
Learning Activities
Trainees Will ask instructor of the Instructor will provide the learning materials in
storing technical drawings and equipment
materials to be used
/instruments
Read Information Sheet no. 4.4-1
On alphabet of lines
Your instructor will check your work
AnPerform task sheet 4.4_1
1. Wipe or clean instruments after every use with a clean and soft cloth
to remove dirt.
2. Keep all instruments in the cabinet after using.
3. Always issue or lend drawing instruments with a receipt.
4. Drawing instruments borrowed should be returned in a good
condition; otherwise it should be replaced with a new and similar
kind.
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 66 of 70
important. To classify the tools according to their function or uses are
needed so that the user will not have hard time locating them.
Candidate Signature
Trainer signature Date
Candidate Signature
Trainer signature Date
Date Developed:
Interpreting Aces Tagum College, Inc.
August 2019
Technical Developed by; Issued by:
Drawing Page 70 of 70