Star Tech Journal

Issue: 1983-July - Vol 5 Issue 5

24
STAR*TECH JOURNAL/JULY 1983
School For
Electronic
Games
TWO-WEEK COURSE
COVERS VIDEO AND
PINS. BY SCHEMATICS'
OUR 11th YEAR!
Calk
Coin
College
PO BOX 810
NICOMA PARK, OK
73066
405/769·5343
BALLY
BABY PAC-MAN SWITCHED ILLUMINATION MOD
ATARI
QUANTUM MONITOR MOD
By Dennis P. Sable, Spring Valley Amusement, Virginia Beach, VA
We recently received the following letter from one of our readers . ..
Dear Star*Tech Folks:
We have subscribed to your publication for over two years and find it to be one of the
most important tools in our "box" when it comes to keeping up with the ever-changing
amusement industry electronics.
Since input from other operators has helped me in the past, I thought I would pass
along a couple of tips to them through you.
1. The Bally Pinball Switched Illumination Mod in S*TJ, Vol. 5, No. 1, March
198 3, has helped greatly to control burnt lamps and failing SCRs in all of my Bally pins
using the #555 lamps except Baby Pac-Man. Baby Pac uses a special winding on the
transformer to power the switched illumination. Bally has given me some help. The
Bally service technician advised me to change the transformer taps from 115vac to
120vac. This is simply done by moving pin 3 on JI to pin 4 on JI and pin 10 on J1 to pin
11 on J 1, effectively cutting the power to everything. This mod works fairly well and
will suffice until Bally comes up with something better.
2. Bob McKee of Atari gave me a tip on the Atari Ampliphone Monitor(Quantum).
The -24vdc regulator (7924) on the high voltage board "blew up". Mr. McKee
stated that in some of the early ampliphone monitors Rl 8 was left out. If this happens to
you, the following techniques should solve your problem:
A) Insert R18 (27k or 33k ¼ watt) resistor in the holes marked R18 on the high
voltage PCB.
B) Change the -24vdc regulator and C4.
C) Install two diodes ( 1 N 4001) across the leads of C3 and C4 ( on the underside of
the board) with the cathode attached to the positive lead of each cap and the
anode to the negative lead
I hope these mods help you!
How about those color monitor games that aren't making money anymore?
We have the largest selection of CONVERSION KITS available to help you put that old wood back to work.
1. Mr. Do
$650.00
7. Zoar
$825.00(Morethan 1-$795.00)
2. Beezer
$7 45.00 (for Galaxian)
8. Lost Tomb
$4 7 5.00
3. Pon Poco $775.00 (Horizontal)
9. Pop Flamer
$795.00
4. Looping
$295.00
10. Guzzler
$775.00
5. Ant Eater $595.00
11. Nibbler
$595.00
6. Sinbad 7
$750.00
12. Eyes
$595.00
13. Hot Shocker $750.00
All kits contain everything to make a game over.
All kits are for vertical monitors, except where noted.
Call for quantity discount.
Would you like to put your Asteroid back on location?
Buy a kit to convert to a color monitor and then you can convert to any game listed above.
FULL KIT FOR ASTEROID CONTAINS:
Monitor-Isolation Transformers (for monitor) • Control Panel Plate (all holes pre-punched) •
Monitor Plexi • Template • Hardware • Full Instructions - $395.00
Kit w/o Monitor & Transformer - $110.00
Call for free parts catalog.
Imperial Billiard Industries
6 Empire Boulevard, Moonachie, NJ 0707 4
Phone:
800/526-6261 East of Mississippi
800/423-2753 West of Mississippi
201/440-6811 In New Jersey
213/962-1024 In California
25
STAR*TECH JOURNAL/JULY 1983
"The 'Bear' Facts" continued from page 22.
TROUBLESHOOTING THE CDC MICRON TIMER
h~J;
By Peter Gurko, Kiddie Rides U.S.A., Davenport, IA
The following steps should enable one to determine if the ride timer of the Gino Rondina Class is
inoperative:
With 0v applied, points 1 to 2 and 2 to 3 should be open. Points 1 to 3 should be shorted Points
4 and 5 should read 10 to 15 ohms when the timer is set at 0.
Supply 12vac to points 4 and 5. The timer should start Points 1 to 2 and 2 to 3 will be open.
Points 1 to 3 shorted. At the end of time duration, points 1 and 2 will be shorted while the timer
resets. A slight clicking can be heard at each event The timer will automatically reset Points 1 to
3 should be shorted with 0vac applied
Next month, we'll start a four-part series on the general maintenance and troubleshooting of non-
video games. Until then, take care! "Bear"
rus
The names of various conversion kits com-
prise this issue's word puzzle. Find and
encircle these words as they appear below.
They run vertically, horizontally, diagonally
and sometimes backwards.
CONVERSION KITS
CORRECTION
BCD COUNT SEQUENCE
(See Note 1)
In the 8th installment of Sega
Electronics' ROM Line (S*TJ May
'83, Vol. 5, No. 3) an incorrect digit
appears in the BCD Count Sequence
Chart on page 11. The count 1 in the
A output should read 1 instead of 0.
Referring to the highlighted digit at
right, you may wish to correct your
issue by changing the 0 to 1.
Our thanks to Joseph Micalizzi
of Fqjardo, Puerto Rico for bringing
this to our readers' attention.
OUTPUT
COUNT
D
C
B
A
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
0
0
0
1
0
1
0
1
0
1
1
2
3
4
5
6
7
8
9
0
1
1
Sta.,...Tech Journal Technical Seminars
Upcoming dates and locations for Distributor-sponsored S•TJ Technical
Seminars are listed below. If you're interested in attending, please
contact the appropriate sponsor.
AUGUST 22-26, 1983, O'Connor Distributing, Dallas, TX
Contact: Dennis Norwood - 214/631-0768
SEPTEMBER 12-16, 1983, Betson Enterprises, Moonachie, NJ
Contact: Steven Betti - 201 /440-2200
From New York & Connecticut: 800/526-7004. In New Jersey: 800-652-2837.
Distributors interested in sponsoring an S•TJ Technical Seminar should
contact Star•Tech Journal, at 609/662-3432 for.further information.
L S E
A K C
L E S
S W S
E V G
L M B
W B E
Place Label From Envelope Here
Or Notify Us Of Your Account Number
And Old Address.
Indicate your NEW ADDRESS below.
Your name _ _ _ _ _ _ _ _ _ _ _
Address _ _ _ _ _ _ _ _ _ _ _
Company
City/State/Zip
MURPHY'S LAW # 505
When an error has been detected and corrected,
it will be found to have been correct in the first place.
N
B
K
O
F
V
Z
G W O
C N U
W A B
Z J U
Q E R L
T G F I
E R B I
Z
H
R
U
U
H
B
W
N
C
M
M O F R R B B G R Q
N H D T Q L G I Z W
C K I I E E O I G E
L M M R W V X T R T
E S Q Q D K A O E P
G
L
Z
V
C
S
X D
M V
Q O
P A
N Q
E N
F B
W S
C C
U F
C
I
S
I
R 8 I
M Y E
C
T
H
J
K
A
T
A
B
A
X
N
M A
A F
L Z
F B
P P
O F
F B I Z O A R B P F
V O S P
I L A C Y X
Find these hidden words in the above puzzle:
ZOAR
BURGERTIME
NIBBLER
MOUSER
BLACKWIDOW
HUNCHBACK
BEEZER
CALIPSO
TAC SCAN
POPFLAMER
Here is the answer key
to June's puzzle:
PINBALL GAMES/MFG.
MOVING? QUESTIONS?
The address label on your envelope contains your subscriber account number in the top
right Next to it is the month and year that your subscription will expire. If you have any
questions regarding your subscription/account or wish to change your address, we can
more readily expedite the matter by knowing your account number ( computers, you
know). Should you change your address, please send us your most recent label, or a
photocopy of it, and we'll update your account upon receipt
r
V
A
L
G
V
O
E
y
N
B
E
A
s
L
ML
R A C
A B E
A
p
N I
B
Q
0 L
N L
D E I
G
xw
E
F
E
s
T W
N
R A
D
I R
E
K l! R
N E 0
R C
u
p
K~ .
I
L
T
T
0
T
M

Download Page 24: PDF File | Image

Download Page 25 PDF File | Image

Future scanning projects are planned by the International Arcade Museum Library (IAML).

Pro Tip: You can flip pages on the issue easily by using the left and right arrow keys on your keyboard.