Star Tech Journal

Issue: 1984-July - Vol 6 Issue 5

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~JECH JOURNAL
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VOL. 6/#1 MARCH '84
News Bits: Color Oscilloscope Uses Liquid-Crystal Shutter,
Hook a Videodisc to Your Apple, Flicker-Free 3-0 Movies
with New Stereo System, First Digital TV Sets Shown in
Europe, Sharpest Tube in Town• Bally Midway"Ms. Pac-
Man": Filter PCB CautiOf\ Power Supply Burnt Pins Mod •
Electrohome and Wico Form Mark~ti istribution Part·
ners_hip • Bally_Midway Service B I I "NFL Footbalr'
Vertical Roll with Slave Mo~
FL Footbalr' and
"Tappe(' (Earlier~ame cM'ble PWR Short, "Spy
Hunter" ( Sit-Down a
• t) Accelerator/ Steering Pots,
• Jr. Pac-Man" Fie
oin Counter, "Jr. Pac-Man" Logic
Boards Not l,.,angeable, "Jr. Pac-Man Mod for Un~
versal Tester, "Spy Hunter" (Upright and Sit-Down)
Potentiometer Calibration • Gottlieb Pop Bumper Bum-
Out Cure • Cinematronics PR7820 Exchange Program •
Movies Corne to Showbiz ... Total Entertainment Concept
Combines Movie, Game & Restaurant Marketing • Z-80
Micro Outline • The"Bea(' Facts: Testing Semiconductors
• On The Service Trail: Alan"s "Pole Position II", Control
Panels, Atarrs "Red Baron" • Bally Midway "NFL
Footbalr' Program Update Kit • New System Preview:
Centuri/Konamrs "Track & Field" • Tele* Tech: RCA
SJT400 Random Access Videodisc Player • Bally Midway
Troubleshooting Electrohorne & Wells Gardner Monitors
(Part 4) • Sega G-80 Card Cage System Games, Their
Custom Chips and Program Series • In Other Words:
Video Game Components • lnOuizitive • Customer
Service Numbers
U/R) Calibration Mod, "Burger nme" Credit Mod • News
Bits: Laservision Goes Solid State, Warner Has Modest
Quarterly Profit Arcade-Style Games Board • Cutting
Excess Overhead Costs • Williams "Gorga(' Solenoid
Problem • New System Preview: Bally Midway's "Jr. Pac-
Man" (Field Kit) • Electrohome G07-CBO DC Voltage
Measurements • Customer Service Numbers • Laserdisc
Repair. Part 1: Short of Actual Repair • Manulacts: Atari
"Cloak and Dagger" Troubleshooting Procedure • RCA
Videodisc Service Centers • Mytstar"MAC.H. llr' TrtU>le-
shooting (Cont) • Atari "Crystal Castles" ROM Update,
Cat Box Checksums, ·auant1m" Sctematic CIJ'l8Ctions,
"Star War!t' Notes, "Star War!t' Display Problems • In
Other Words: "Space Ace" Villains
Frozen Picture • Pionee(s LD-V4000 Industrial Laserdisc
Player • New System Preview: Cinematronic!t "Space
Ace" • Laserdisc Repair. Part 2: Theory and Safety •
Bally Midway Service Bulletins: "Spy Hunte(', "Tapper" &
"Root Beer" Fuse Change, "Astron Belt'' to "Galaxy
Range(' Conversion Kit Flipper Assembly Revisions, "Spy
Hunte(' Cheap Squeak Deluxe Module PAL Substitution •
Bally 555 Lamp Burnout Circuit Mod • Atari "Firefox"
Amplifone Raster Modification • In Other Words:
Conversion Kits
VOL. 6/#2 APRIL '84
ASI '84 • Stern "Cliff Hanger" Intermittent Operation •
Atari Remembers Its Own • Pioneer Technical Service
Regional Offices • On The Service Trail: Kits, Kits, Kits,
The Bottom Line: MakeYO\l'Gamelook New. Tele*Tech:
Cinematronics' "Dragon's Lair" Laserdisc Repair Problems
• Gottlieb Pop Bumper Board SymptonvSolution • Bally
Midway Service Bulletins: "Jr. Pac-Man'' (Games & Kits)
+5wc Regulator Schematic Error, "Spy Hunte(' (S/D and
VOL. 6/#3 MAY '84
News Bits: "New Look" for TV, Higtl-Power Switch,
Semiconductor and Gas Lasers, Atari & Activision to
Broadcast Software, RCA Corp. Phases Out Videodisc
Player • American Lock's Tough, Weather Resistant One-
Piece Extruded All Brass Body Padlocks • RF Modulator
Circuit for Use with Radio Shack UM1285-8 (#277-221)
• On The Service Trail: The Game That Has Never Worked
Properly • Atari "Star Wars" Troubleshooting Guide
Notes, "Tempest" Display • AOE Review • Mylstar
Announces Three Day Seminar • Atari "Food Fight"
Joystick Calibration • Photon Allows Players to Enjoy
Personal lnwlvement in Higtl-Tech Game Era • Tele* Tectc
Conversion Kits • Coin Acceptors, Inc., Maintains 31
Service Centers Worldwide for Amusement and Game
Industry Customers • Nintendo Introduces Their Service
Package • Troubleshooting Tips for Mylsta(s "MAC.H.
Ill" • Nintendo Service Bulletins: "Mario Bros." CoilvCredit
Problems, "Donkey Kong", "Radar Scope" Scrambled
Screen, "Radar Scope" Speed-Up Kit "Radar Scope"
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Mail to: StaNt-Tech Journal, P.O. Box 1065, Merchantville, NJ 08109
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VOL. 6/#4 JUNE '84
News Bits: High Resolution Touch Screen, New Flat-Panel
Display Technology Yields Color & 3-D • Clil}'On Coin
Caddy • Atari "Star Wars" X-Y Display Modification •
Williams "Gorgar" Solenoid Problem Response • Pace
Inc., To Conduct Classes in Universal Repair for Electronics
at the Company's Facility in LaureL Maryland • Ata~
Lucasfilm • The "Bea(' Facts: Ticket Dispensers, Taito
"Front Line", Pioneer LD-V1000 Remote • On The Service
Trail: Rowe BC-35 Changer Notes, Bally Pinball Flipper
Assembly • Centuri/Konami "Track & Field" Missing
Video Cure • Nintendo Service Bulletins: "Radar Scope",
"Donkey Kong", "Donkey Kong Junior" Interchangeability
of Hybrid I Cs in Power Supplies PP7A (30-1000) & PP7B
(3D-1001), "Donkey Kong", "Donkey Kong Junio(',
"Popeye", "Mario Bros." Slam Switch • Bally Midway
Service Bulletins: "Ten Pin Deluxe" Shuffle Alley Safety
Switch, "Ten Pin Deluxe" Shuffle Alley ROM Self Test "Ten
Pin Deluxe" Shul1Ie Alley Memory Board, "Ten Pin Deluxe"
Shul1IeAlley RAM Location, "Ten Pin Deluxe" Shuffle Alley
Hi Voltage, "Ten Pin Deluxe" Shul1Ie Alley Options, "Spy
Hunte(' Power-Up Failure • Atari: Narrowing Down Game
Problems • New Sys1em Preview: Nintendo's "VS. Tennis"
• Tech Shop Profile: Pinball Warehouse • Manulacts:
Atari "Firefox" Main & Graphic PCB Signals • Laserdisc
Repair. Part3-VoidingYourWarranty • nming-AMust
for Advertising Success • In Other Words: MOS/LSI
Glossary


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□ Send me your Vol. 6/#2 April '84 issue
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Back volumes are priced as follows:
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Each back volume contains 12 issues plus an index of articles.
□ Send me your Volume 1 (March '79-Feb. '80)
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THE BECKMAN HD-100
The HD-100, 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 Sing le 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-Ohms® 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 Tested
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
Impedance
This special feature reduces errors commonly
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 calibration
Tough
Thermoplastic
fire-retardant case
prnv1des protechon
against damage lrom
breakage
Drop-proof
Dooble-th1ck case
walls and ribs to
resist cracking.
Water-tight
Seal
Heavy duty seahng
locks out dirt, grime
and moisture.
Fast and Accurate In-Circuit Diode
Transistor Test 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-circuit with as little
as 500 ohms shunt resistance.
Completely Equipped to Handle
Your Toughest Jobs
Each unit comes fully equipped with a 9V battery,
safety-designed test leads and operato(s manual.
Beckman Warranty
Each instrument comes with a one-year limited
warranty under which Beckman agrees that It .th■
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The Beckman HD-100 lists for $169. Star*Tech
Journal is offering this unit at the special price of
$151.15. Please make your check or money order
payable to Star*Tech Journal, P.O. Box 1065,
Merchantville, NJ 08109.
LCD Shock Mounted
The 3'h d1g1t LCD IS shock
mounted to reduce bfeakage.
High Vlolblllty
Color
The mtemalt0nal yellow
color helps prevent
accidental loss.
2-Amp/ 250V Fuse
Protection m all current
ranges
, - - - - - - Filloutandmail
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Rush me _ _ Beckman HD-100(s) at $159.95 each.
I Payment is enclosed.
I □ Rush me _ _ _ Beckman HD-100(s). Ship my order
I via UPS C.O.D.
I Your nam .. , _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
I Company _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Addre""'-- - - - - - - - - - - - - - - - - - - - -
1 City/State/Zip _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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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 51/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 backed by the
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.
Single Function/
Range Switch
Instant
Continuity
Beeper
Dual Voltage Selector
Switch for Resistance Tests
Diode Transistor
Test Function --+-+---
, - - - - - - - - - Fill out and mail
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D Rush me _ _ _ _ _ _ _ Beckman DM25(s) at $79.95 each.
Payment is enclosed.
□ Rush me
_ _ _ Beckman DM25(s). Ship my order via UPS C.O.D.
Yourra,,.,_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Company _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Address, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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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