Learning outcome 1 prepare to assemble electronic products

Learning Outcome 1 Prepare to
Assemble Electronic Products

Information Sheet CO 1.1-1 OHS Policies and
procedures in Assembling Electronic Products
1. Occupational safety and health is an area concerned with protecting the
safety, health and welfare of people engaged in work or employment.
2. 2. may also protect co-workers, family members, employers, customers,
and many others who might be affected by the workplace environment.

OHS policies and procedures:
1. Occupational safety and health is an area concerned with protecting the
safety, health and welfare of people engaged in work or employment.
2. may also protect co-workers, family members, employers, customers, and
many others who might be affected by the workplace environment.

ENUMERATE
•Work safety requirements
•Application of 5S
•Handling and disposal of chemicals
•Hazardous and risk assessment mechanisms
•Isolation procedures
•Use of protective equipment and clothing
•Use of codes of practice
•Philippine electrical/electronics code

EXPLAIN AND APPLY
•Work safety requirements
- The workplace is full of many types of health and safety hazards, and
exposure to these hazards can be harmful, and sometimes fatal, to
employees.
TAKE FOR EXAMPLE:
Danger signs, for instance, are used for more severely hazardous work
areas, while caution signs are used to warn employees of potential risks.

Application of 5S: Simply stated, a 5S is the structured method to organize the
work place.
Step Name Japanese term Explanation
1. Sort Seiri (tidiness)
Remove unnecessary items from
each area
2. Set In Order Seiton (orderliness)
Organize and identify storage for
efficient use
3. Shine Seiso (cleanliness)
Clean and inspect each area
regularly
4. Standardize Seiketsu (standardization)
Incorporate 5S into standard
operating procedures
5. Sustain Shitsuke (discipline)
Assign responsibility, track
progress, and continue the cycle

Handling and disposal of chemicals
DO‘S
• be labeled, "Hazardous Waste", with the respective hazard warning word, if
it is ignitable,
corrosive, reactive or toxic;
• have the contents itemized by % composition; use complete chemical
names, not formulae,
structures or abbreviations;
• have tightly fitting caps which are only removed to make additions;
• hold compatible chemicals;
• be stored by hazard category, and segregated from incompatible chemicals;
• be stored off the floor in a secure location.

•Do not mix acids with solvents or flammables. A violent reaction may occur
pour solvents down the sink.
•Do not drains.
•Do not dip your hand into a chemical even when wearing gloves.
•Do not inter-change the bottle caps. Put the same cap back on the bottle
making sure that it is tight.

•Hazardous and risk assessment mechanisms
Step 1:
Identify Hazards
Step 2:
Assess the Risks
It will depend on probability and frequency of exposure to a hazard or the
severity or range of the potential consequences resulting from the hazard.
Step 3:
Control the Risks
The aim of implementing controls is to get as many controls in place so the
risk is reduced to as low as possible.

•Isolation procedures
The isolation process is also known in industry as 'lockout / Tagout' and is
used to isolate machinery and equipment from its energy source.

•Use of protective equipment and clothing
refers to protective clothing, helmets, goggles, or other garments or
equipment designed to protect the wearer's body from injury.

•Use of codes of practice
a set of guidelines and regulations to be followed by members of some
profession, trade, occupation, organization etc.; does not normally have the
force of law
•Philippine electrical/electronics code

Information Sheet CO 1.1-2
Repair/Assembly Forms
Repair or assembly forms are forms that should be filled out by the
customer. These form may include but not limited to the following
Name of the customer
Customer‘s address
Contact number of the customer
Date to which it should be repaired
Product/s that will be repaired
Problems or faults of the product
Additional detail of problem observed

If applicable:
o Business/company name
o Business/company address
o Business/company contact number

Repair or assembly forms also have the details of the company or person
who will do the repair. These may include,
Company name
Company address
Company‘s contact number
Details person who will do the repair
o Name
o Address
o Contact number
Estimated repair cost.

Materials, Tools and Equipment
Common tools and equipment used in repair/assembly
1. A multimeter or a multitester, also known as a VOM
(Volt-Ohm meter), is an electronic measuring instrument
that combines several measurement functions in one unit.
A typical multimeter would include basic features such as
the ability to measure voltage, current, and resistance.
Analog multimeters use a microammeter whose pointer
moves over a scale calibrated for all the different
measurements that can be made. Digital multimeters
(DMM, DVOM) display the measured value in numerals, and
may also display a bar of a length proportional to the
quantity being measured.

2. Needle-nose pliers (also known as long-nose pliers,
pinch-nose pliers, or snipe-nose pliers) are both
cutting and holding pliers used by electricians and
other tradesmen to bend, re-position and cut wire.
Their namesake long gripping nose provides excellent
control and reach for fine work in small or
crowdedelectrical, while cutting edges nearer the
pliers' joint provide "one-tool" convenience. Given
their long shape, they are useful for reaching into
cavities where cables (or other materials) have
become stuck or unreachable to fingers or other means

3. Diagonal pliers (or wire cutters or diagonal cutting
pliers or diagonal cutters) are pliers intended for the
cutting of wire (they are generally not used to grab
or turn anything). The plane defined by the cutting
edges of the jaws intersects the joint rivet at an
angle or "on a diagonal", hence the name

4. A soldering iron is a hand tool used in soldering.
It supplies heat to melt the solder so that it can
flow into the joint between two work pieces. It is
composed of a heated metal tip and an insulated
handle. Heating is often achieved electrically, by
passing an electric current (supplied through an
electrical cord or battery cables) through a resistive
heating element. Cordless irons can be heated by
combustion of gas stored in a small tank, often
using a catalytic heater rather than a flame. Simple
irons less commonly used than in the past were
simply a large copper bit on a handle, heated in a
flame.

5. Soldering Lead is a fusible metal alloy used to join
together metal work pieces and having a melting
point below that of the work piece(s). Soft solder is
typically thought of when solder or soldering is
mentioned, with a typical melting range of 90 to 450
°C (190 to 840 °F).[3] It is commonly used in
electronics, plumbing, and assembly of sheet metal
parts. Manual soldering uses a soldering iron or
soldering gun. Alloys that melt between 180 and 190
°C (360 and 370 °F) are the most commonly used.
Soldering performed using alloys with a melting
point above 450 °C(840 °F) is called 'hard soldering',
'silver soldering', or brazing.

6. A screwdriver is a hand-tool for turning
(driving) screws (and sometimes bolts or other
machine elements with a mating drive system).
A typical screwdriver comprises: an
approximately cylindrical handle of a size and
shape to be held by a human hand; an axial
shaft embedded in, and protruding from, the
handle; and a tip found at the end of the shaft,
opposite the handle. The handle and shaft
allow the screwdriver to be positioned and
supported and, by rotating the handle, torque
is applied to the tip via the screwdriver's shaft.

7. Oscilloscope, previously called an oscillograph,
and informally known as a scope, CRO (for
cathode-ray oscilloscope), or DSO (for the more
modern digital storage oscilloscope), is a type of
electronic test instrument that allows observation
of constantly varying signal voltages, usually as a
two-dimensional graph of one or more electrical
potential differences using the vertical or y axis,
plotted as a function of time (horizontal or x axis). Many signals can be converted to
voltages and displayed this way. Signals are often periodic and repeat constantly so
that multiple samples of a signal which is actually varying with time are displayed as
a steady picture. Many oscilloscopes (storage oscilloscopes) can also capture non-
repeating waveforms for a specified time and show a steady display of the captured
segment.

8. Soldering Pump, desoldering is the removal of solder and components
from a circuit board for troubleshooting, repair, replacement, and salvage.
Specialized tools, materials, and techniques have been devised to aid in the
desoldering process

9. Wrench (or spanner) is a tool
used to provide grip and
mechanical advantage in
applying torque to turn objects—
usually rotary fasteners, such as
nuts and bolts—or keep them
from turning

10. Utility knife is a knife used for
general or utility purposes. The utility
knife was originally a fixed blade knife
with a cutting edge suitable for general
work such as cutting hides and cordage,
scraping hides, butchering animals,
cleaning fish, and other tasks. Craft
knives are tools mostly used for crafts.
Today, the term "utility knife" also
includes small folding or retractable-
blade knives suited for use in the modern
workplace or in the construction industry.

Learning outcome 1 prepare to assemble electronic products

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Learning outcome 1 prepare to assemble electronic products