How electronic things workb P3
How electronic things workb P3
... oscillator circuit is shown. The bias
oscillator signal is fed to the left and right recording heads and to the erase
head.
3
AUDIO/VIDEO AND
CD PLAYER
OPERATIONS
91
CONTENTS AT A GLANCE
How CD and Laserdisc ... Work
Skip, search, and scan operation
How the laserdisc is made
DVD Discs
DVD technology
Laser light and laser diode
information
CD player sections
The electronics PC board
The...
How electronic things workb P1
... are
constructed, and how to test them. You’ll be shown how to use a volt-ohm meter
(or multimeter) to check the voltage and resistance found in electronic circuits.
You’ll learn how to build a simple ... introduction to electronics—“Very Basic
Electronics 101.” The chapter contains photos and drawings of the components
found in your electronic devices with explanations of what they...
How electronic things workb P2
... occurs?
42 INTRODUCTION TO VERY BASIC ELECTRONICS “101”
FIGURE 1-60
Some basic tools you will need for electronic
equipment repairs.
■ How does it perform or not perform?
■ How often does it occur? Is ... also very useful. Figure 1-60 shows some of these basic electronic tools needed
for repair work.
The following is a list of basic tools you should find useful for electronic repair...
How electronic things workb P4
... of a color set have previously
been explained in this chapter, so now see how the CRT develops a color picture.
138 HOW COLOR TVS AND PC MONITORS WORK
Red gun
Green gun
Blue gun
Deflection yoke
Shadow ... with a dot shadow mask. As
shown in Fig. 4-20A and 4-20B, the metal mask has evenly spaced holes with RGB phos-
phors clustered on the glass faceplate in groups of three. However, this t...
How electronic things workb P5
... several direct digital satellite TV systems are in operation around the world.
This chapter shows how these systems work and gives you information on various items
you can check if the receiver ... TV
Keeping the satellite on track
Powering the satellites
DBS Satellite Overview
How the Satellite System Works
How the RCA system works
The DirectTV satellites
Controlled Diagnostics for
Tr...
How electronic things workb P6
... apart so that you will know how to put it back together after repairs and
cleaning is completed.
How to take apart the cassette lid and deck The following three drawings show all of
the steps for ... of the Sony Handycam
recorder shown in Fig. 7-25. This Sony 8-mm camcorder has been placed on a service
bench to undergo cleaning and/or repairs. Figure 7-26 shows how the Handycam case can...
How electronic things workb P7
... automatically
opens up two unused channels to complete the call.
HOW THE CELL PHONE OPERATES
The cellular phone packs a lot of sophisticated electronic components into a very small
space. In fact, it ... pager.
To repair them, you need to be a highly trained electronics technician and have very spe-
cialized and expensive test instruments. However, later in this chapter, some repair tips...
How electronic things workb P8
... electric
typewriters. A drawing of the daisywheel layout is shown in Fig. 10-1. A photo with two
daisywheels is shown in Fig. 10-2. Figure 10-3 shows the actual placement of the daisy-
wheel in a PWP ... Monitoring control panel key operation
HOW IMAGES ARE TRANSFERRED TO PAPER
To copy an image on paper with the laser printer, the process requires the interaction of
electronic circuits, o...
How electronic things workb P9
... good
cleaning.
390 BASIC CONSUMER ELECTRONICS SERVICE AND MAINTENANCE
GLOSSARY
391
Use this glossary to help you better understand some of the terms used in explaining How
Electronic Things Work” in these ... required, unless
the unit has had rough usage.
NOTES FOR PRINTERS
The electronic portion of an ink-jet printer is usually very reliable. However, you should
be on the lookout for...
How electronic things work
... Introduction to very basic electronics “101”
How resistors work
●
Reading resistor color codes
●
Resistor problems
●
Electronic circuit-protection devices (fuses)
●
How capacitors work
●
Tips ... troubles
and checks
●
Transistors, ICs, and diodes
●
How transistors and solid-state
devices work
●
Solid-state scope sweep checker
●
Electronic power supplies
●
Electronic circuit solder...