Star Tech Journal

Issue: 1982-March - Vol 4 Issue 1

S*TJ MARCH 1982 14
RBG-1
**POHTABLE
monitor teJter
• battery operated
• rugged plastic case
• crosshatch dots raster
• cables for most popular Iv's
O
O
$129 for details,
call or write
W/ cables and
manual
Video Innovations, Inc.
70 Pocahontas Street
Walpole, N\A 02081
(617) 543-3385
STERN
PIDLADELPHIA
VIDEO POWER SUPPLY INTERCHANGEABILITY
BY JOE CONNOR, ACTIVE AMUSEMENT, PHILADELPHIA, PA
VENDING
SERVICE
881 O Dewees Street
Philadelphia, PA 19152
215-698-2738
• Ace Locks Rekeyed $1.00
• Ace Keys $1 .00
• American H-1 O Padlocks
as low as $7 .00 each
PS-1000 - "Berzerk", "Astro-Invader"
~-1100 - "The End", "Scramble"
PS· 1 200 - "Super Cobra", "Turtles", "Moon Wars", "Strategy X" .
. (This power supply has been used on all of Stem's recent video
games and appears to be the standard power supply for future
games.)
ROCK-OIA
473, 474, 468-1 CREDIT MOD
BY CHUCK MAIER, ACTIVE AMUSEMENT, PHILADELPHIA, PA
We carry a complete line of
American padlocks. We
also carry:
• Game Speed-Up Kits
• Power Supplies
• Monitors
• Game Controls
Symptom: Unit won't subtract credits.
Cause: Rl , 4.7 ohm¼ watt resistor has opened on 2307 Debounce kit.
Reason: Check Cl, 47MFD/63wv capacitor on 2307 Debounce kit- some
were installed backwards.
Sol utlon: :Replace R 1, remove C 1 and install correctly ('' + '' side connects to
,cathode of D1 .)
All at low prices!
Call or write us for
further information.
MURPHY'S LAW No. 401
Do not believe in miracles -
Rely on them.
S*TJ MARCH 1982 15
GREMLIN/SEGA'S
DIGITAL TECH TEST (PART 3)
+5V
8) What will be the
outputs of the latch
when the strobe pulse
occurs?
Q
A=-
Q
- - - B=
-----""18
Q
-----iC
C=-
Q
- - - D=
_ _ _ _ _ _ ,...D
+5V
Q
--------cE
E=-
___ F
Q
---
F=
Q
G
G=-
Q
P---
H=
LIST OF PINBALL
"GAME CHIPS"
List for Bally, Stern , Gottlieb and
Williams. Did you ever look at a
game chip number and wonder
what game it belongs with? You
can look the ch ip up by the part
number stamped on top. Or, if you
want to find out what chip belongs
in a game, just look through the
alphabetical listing of each game.
Over 100 pins listed from 1/77
thru 12/81 . New updated lists are
available 3 times per year (every 4
months). You can subscribe now
for the next 3 issues at the rate of
$15.00 per year. Single ' list' price
$5.95. Discount on distributor
orders of 50 or more.
TECH SALES
2400 Whittier St.
Rahway, NJ 07065
(201) 499-0636
STROBE
9) What are the outputs +5
of the following gates?
t
Part 2 Answers
s.
s.
Q = o, a= 1
Q = 1, a= o
7. QA= 1
QB= 1
QC= 1
QD = 1
+5
(Part 3 Answers next month)
t
cr~GND
J
Q
1 =-
"DEFENDER"
~
CONTROL
PANEL
Q
- - - - - - 2=-
•ALUMINUM•
Won't burn or melt
Co/ors won't wear off
MIDWAY
PRICES
"KICKMAN" SERVICE NOTES
l 11 5rcs·2500., 6 11 10rcs·2200.,
11 or More· 2000 ..
Game: "Kick" (Kickman)
Subject: New Features
1. Fluorescent lamp (display).
2. Battery memory (holds high score).
3. Bookkeeping mode.
4. Twenty-four (24) different sounds.
5. New and easy diagnostic (self-test).
6. Front panel programming of coin play, bonus, etc.
7. Metal cash box compartment.
8. New three (3) card logic system (Z80 system).
9. Heavy duty power supply (7.5 amps).
1 0. Skill level adjustment.
Subject: Speakers (Two)
1. For proper speaker balance, use two 4 ohm speakers.
2. Using 8 ohm speakers will cause a loss in volume.
3. Mixing a 4 ohm and an 8 ohm will cause one channel to be louder than the
other.
4. The master volume control (located to the right of the cash box) will control
the volume of all sounds.
9
*
*
~fEBURG
GLASS PARTS
Unbreakable Lexan·
497723-USCl "Bandshell" SIB ea.
ICDII CRIDIT WIIDOWI
• MANY OTHERS • QTY. DISCOUNTS
( RIPLACI tulllRUll PUTS)
IDT IITIRI ■ ICNIIIS
*
ALSO
VIDEO ARCADE
TEE-SHIRTS
,- 317-848-2033
MBCC 2225 Yandes, lndpls, IN 46205

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