Star Tech Journal

Issue: 1984-March - Vol 6 Issue 1

EJTHER IN
WORDS BUIZ
The names of various Video Game
Components comprise this issue's word
puzzle. Find and encircle these words as
they appear below. They run vertically,
horizontally, diagonally and sometimes
backwards.
VIDEDGAME
CDMPDNENTS
POWER
HARNESS
CONTROLS
ARTWORK
MONITOR
ELECTRONICS
CABINET
SPEAKER
COINBOX
ACCEPTOR
OHSBFOCUOZ
XSCXNKUHDK
PRINOJCAWB
PENBIZVRRZ
UKOCHAUNOV
SARUGAGETI
SETCYRGSIB
MPCFOQVSNA
OSECYI IYOT
WVLBDQNRMH
EKETQCOBYC
PWSCETRKOI
VOPLPNRZSX
MMWEOOIEIG
CXCEWRTBCG
KCCTROTHAL
AYRPCEKNPC
ZAJBQUEZOC
WKVZCFQUUC
IAKTABKKXJ
Here is the answer key to
February's puzzle:
LASERDISC GAMES
ITIVE
83. Most linear ICs are:
a. Very straight in physical appearance
- hence the name, "linear"
b. Essentially amplifiers of various kinds
c. Switching type circuits as opposed to
digital types
d. Unimportant in the semiconductor
business because their use is limited
to only a few highly specialized
systems
e. Known to only a few persons
84. Name an important and popular type of
linear IC that has extremely high voltage
gain and differential inputs, that was
originally used for mathematical opera-
tions in analog computers but is now
used in a very wide variety of applications:
a. Consumer circuits
b. Communications circuits
c. Systems interface circuits
d. Operational amplifiers
e. Sense amplifiers
85. A comparator.
a Compares digital inputs and provides
a linear output
b. Compares two input signals and pro-
vides a linear output
c. Compares two input signals and pro-
vides a digital output
d. None of the above
lnQuizitive Answers: February
79.d
80.d
81.b
82.e
CUSTOMER
SERVICE
NUMBERS
ATARI: 800-943-1120 (CA)
800-538-1611 (outside CA)
BALLY MIDWAY: 800-323-7182 (video)
800-323-3555 (pinball)
CINEMATRONICS: 800-854-2666
(outside CA)
619-562· 7000 (in CA)
CENTURI: 800-327-7710
DATA EAST: 800-538-5129 (outside CA)
DIGITAL CONTROLS: 800-441-3332
EXIDY: 8Q0·538·8402
KIDDIE RIDES USA: 800-553·8000
MYLSTAR: 800-942-1620 (inside IL)
800-323-9121 (outside IL)
NAMCO AMERICA, INC.: 800-538-1610
(outside CA)
NINTENDO: 800-633-3236
ROWE: 800-631-8084
STERN: 800-621·6424 (outside CA)
TAITO: 800-323-0666
VENTURE LINE: 800-528-1442
WILLIAMS: 800-572-1324 (inside IL)
800-621-1253 (outside IL)
STAR*
TECH
JOURNAL
TECHNICAL
SEMINARS
Distributor-sponsored
S•T J
Technical
Seminars are available at no cost to any
distributors interested in assisting their clients
understand operation and maintenance of
videos, pins and lasers.
The course is flexible enough to be offered
as a 1, 2 or 5 day seminar depending upon
your requirements. The course covers Basic
Electronics (electron theory and semicon-
ductors), Video Game Systems (power supplies,
control panel interfaces, rasterscan and X-Y
monitors), Electronic Pinball Systems (elec-
tronic digital systems), Troubleshooting
Techniques, Test Equipment (digital multi-
meters and logic probes), Proper Soldering
Techniques, VideoDisc Operation and Main-
tenance, How to Read Electronic Schematics
and other essential skills.
If you'd like to sponsor an S•TJ Technical
Seminar, contact Star•Tech Journal at
609/662-3432 and ask for our information
package. This package helps you plan your
promotion for a successful seminar.
MDVINB?
BUESTIDNS?
Your address label contains your subscriber
account number in the top right. We can more
readily change your address or answer your
questions if we know this number. If you are
moving and don't have your label, just fill out
the information below and we'll update your
account.
OLD ADDRESS
YOU'
name _ _ _ _ _ _ _ _ _ _ _ _ _
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INTERESTED
IN
ADVERTISING?
S•T J reaches over 4,000 service shops with a
readership of over 12,000 operators, distribu-
tors, technicians and manufacturer suppliers.
Your message gets read more than once ...
again and again. For more information call
Paul at 609/662·3432.
THE BECKMAN HD· I 00
The HD-1 00, the Hardhat meter, is an indispensible
tool that has rugged protection from mishaps and
adverse environments.
2000-Hour Continuous Battery Life
The common 9V transistor battery provides up to
2000 hours of continuous operation, and up to 2
years of life under typical use. For added con-
venience, the decimal point blinks during the last
ten percent of battery life.
Easy-to-Use Single Selector Switch
Makes the instrument easier to use and saves
time. You get a unique switch design that is far
more reliable and durable than found in conven-
tional VOMs.
lnsta-Ohma• Continuity Indicator
You can make continuity checks with the speed
and ease of an analog meter. The lnsta-Ohms'"
Continuity Indicator features an ohms symbol that
appears in the display the instant continuity is
established with test leads.
Reliable 100% Factory Burn-In and
Computer Teated
Every function and range is computer tested at the
factory to assure you of a meter that works the
first time, every time.
Maximum Protection RF Shielding
You can enter high RF energy fields generated by
communication transmitters and high voltage
sources with confidence in your results.
High Accuracy 22-Megohm Input
lmpedence
This special feature reduces errors commonly
LCD Shock Mounted
The 31/, digit LCD is shock
rrwnted to reduce breakage.
High Visibility
f
caused by circuit loading. Increased measurement
accuracy over other comparable meters is achieved
by providing a high input impedance in all DC
voltage ranges.
Guaranteed Long-Term Accuracy
A highly stable band-gap reference element and
thin-film voltage divider network guarantee the
specified accuracy for a one-year minimum,
without calibratiort
Color
Toe international yeffow
color helps prevent
accidental loss.
Tough
Thermoplastic
Fire-retardant case
provides protection
against damage from
breakage.
Drop-proof
Double-thick case
walls and ribs to
resist cracking.
Water-tight
Seal
Heavy duty sealing
locks out dirt, grime
and rmisture.
Fast and Accurate In-Circuit Diode
Translator Teat Function
This special test function allows accurate
measurements of forward voltage drops across
diode, LEDs, and transistor junctions with 2mA of
"constant'' test current Semiconductor junctions
can also be measured while in-circui~ with as little
as 500 ohms shunt resistance.
Completely Equipped to Handle
Your Toughest Jobs
Each unit comes fully equipped with a 9V battery, r -
safety-designed test leads and opera to( s manual.
Beckman Warranty
Each instrument comes with a one-year limited
warranty under which Beckman agrees that H 1111
lntru■III 111111 far any l'IUOI wllllln11r,
IHlpl 1baa1, IICDIH WIii (II Ila 1l1ctlon)
repair or replace 1111 mattlllller wllb 1 • • er
l'ICD■dlllonell u■n DI 111ul11lul quality.
The Beckman HD-100 lists for$169. Star•Tech
Journal is offering this unit at the special price of
$159.15. Please make your check or money order
payable to Star•Tech Journal, P.O. Box 1065,
Merchantville. NJ 081 09.
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• Fill out and mail • -
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D Rush me _ _ Beckman HD-100(s) at $159.95 each.
Payment is enclosed.
D Rush me _ _ _ Beckman HD-100(s). Ship my order
via UPS C.O.D.
Your na,11.,_ ________________ _
Company-----------------
Addre::s._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
City/State/Zip _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
New Jersey residents add 6% sales tax.
Mail this coupon to:
Star•Tech Journal, P.O. Box 1065, Merchantville. NJ 08109
Star•Tech Journal is an authorized Beckman distributor.
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THE BECKMAN DM25
DIGITAL FEATURES ... AT AN ANALOG PRICE
The Beckman DM25 digital multimeter gives you a wide range of
features at a down-to-earth price.
Features like ...
• Five AC and DC voltage and current ranges
• Six resistance ranges
• A diode test function to test junction forward bias
• An instant continuity beeper to make circuit tracing easy
• A capacitance test function
• Dual voltages for in-circuit or out-of-circuit resistance tests
• Conductance to measure extremely high resistance values
• Auto-polarity, auto-zero and auto-decimal capabilities to
eliminate guesswork.
• A single function- and range-selector switch for sure and easy
use.
This pocket-size meter is the best low-cost digital multimeter you
can buy. It measures approximately 53/e" in length, 3¼" in width
and less than ¼" high. It weighs only 5.75 ounces including
battery.
Also included with your DM25 is a test lead set spare fuse (2A),
a 9V battery and instruction manual. Your meter is bacl Beckman warranty.
ONLY $79.95
You can purchase your Beckman DM25 by filling out the coupon at
right and sending your check or money order to Star•Tech Journal,
P.O. Box 1065, Merchantville, NJ 08109. Star•Tech Journal is an
authorized Beckman distributor.
Instant
Continuity
Beeper
Dual Voltage Selector
Switch for Resistance Tests
Diode Transistor
Test Function _ _,_ _ _ _
r- -
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•Fill out and mail- -
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-
-
-
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D Rush me _ _ _ _ _ _ _ Beckman DM25(s) at $79.95 each.
• Payment is enclosed.
D Rush me _ _ _ Beckman DM25(s). Ship my order via UPS C.O.D.
nam11, ______________________ _
Your
Company _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Addre,,,s_ ______________________ _
City/State/Zip _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
New Jersey residents add 6% sales tax.
Mail this coupon to:
Star•Tech Journal, P.O. Box 1065, Merchantville. NJ 08109
Star•Tech Journal is an authorized Beckman distributor.
-----------------------~~--------------------~

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