Star Tech Journal

Issue: 1980-December - Vol 2 Issue 10

Foreword . .
The AMOA Expo '80 was a great success! A
record turnout examined the new models of pins,
videos, music and assorted other amusement and
gaming machines.
Top pins causing the most excitement were
"XENON" by Bally (multi-ball, woman's voice) and
"BLACK KNIGHT'' by Williams (multi-ball, multi-
level playfield).
Videos dominated the show, number-wise, and
among those debuting their new machines were
Atari with "BATTLEZONE" (x-y), Williams with
"DEFENDER" (their first video) and Stern with
"BERZERK".
On the subject of video, Electrohome showed a
color x-y monitor (very impressive!).
All the major music manufacturers showed their
latest models joined by Centuri exhibiting their
first music box.
Thanks to all who stopped by the press lounge
to say hello and wish us continued success.
e~
Publisher
CONrENrs
MIDWAY "SPACE
ZAP" INTERFACE PCB
3
3
STERN "ASTRO INVADER" ROM MOD
UNIVERSAL "MAGICAL SPOT"
AUDIO MODIFICATION
4
MIDWAY "SPACE ENCOUNTERS"
MONITOR ADJUSTMENT
CENTURI "EAGLE" PRICING MOD
MODIFICATION OF VECTORBEAM
CPU BOARDS FOR USE WITH
CINEMATRONICS CPU
EXORCISORS
MIDWAY "GALAXIAN"
VIDEO CABLE DIAGRAMS
CENTURI "EAGLE" MONITOR NOTES
A SERVICE TIP FROM
NOVEL PINBALL COMPANY
STAR•TECH JOURNAL/DECEMBER 1980/VOLUME 2 , NUMBER 10/COPYRIGHT 1980 BY JAMES J. CALORE
STAR•TECH JOURNAL IS PUBLISHED 12 TIMES A YEAR , P.O. BOX 1065, MERCHANTVILLE , NEW JERSEY 08109
EUROPE AND JAPAN - $48.00
ADVERTISING RATES AVAILABLE UPON REQUEST
8
8
g
1 Q
MIDWAY "SPACE ENCOUNTERS"
POWER SUPPLY MOD
ELSEWHERE - $54.00
S
9
MIDWAY "SPACE ENCOUNTERS"
UPRIGHT AND MINI GAME BOARD
SUBSCRIPTION RATES : U.S./CANADA - $28.00
5
6 7
GREMLIN/SEGA "CARNIVAL" AND
"DIGGER" CREDIT MODIFICATION
EXIDY "TARG"
MONITOR HARNESS MOD
4
1 Q
S1JqR.TECH _ _ _ _ _ _ _ _ _ _ 3
Midway "Space Zap" Interface PCB
Subject: Monitor Interface PC A082-
91373-BOOO
"Space Zap" (Mini only)
The interface unit 6 and 7 pin connectors
are not keyed.
See figure #1 for proper wire sequence
to prevent connectors inserted
incorrectly.
FIGURE #1
SIGNAL GND
GND. PIN 14 OF POWER SUPPLY
-SV PIN 2 OF POWER SUPPLY
+12V PIN 8 OF POWER SUPPLY
* .
BLK
SIGNAL RED ,.
- 1y . - -- -- . -¾~5V PIN 18 OF POWER SUPPLY
:__.1 __ 3 __ ~ __ ,.. __ 2 __ 6 __ :.J
J1
MONITOR INTERFACE BOARD
~ ~
--. ~
J2 ~ ~
">;--
-::::,
~
~
),...
'I
I
~
I
~
~--t- -l - -r- --r---r-
-EEY
Stern
"Astro Invader''
Rom Mod
It has been found that in some locations the game is being
beaten too easily. Stern distributors have a modification kit
consisting of 2 Roms that can be changed to make the game
more difficult.
If you have encountered this problem, contact your distributor
for availability.

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