Star Tech Journal

Issue: 1991-October - Vol 13 Issue 8

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WilliaIDs The
Machine Sw Matrix
.
......
Wells Gardner K-
7000 Series
RandyTeny
Alpine Amusement
Connersville, Indiana
RandyTeny
Alpine Amusement
Connersville, Indiana
PROBLEM
PROBLEM
When ball ejects from head/mouth saucer and
activates top wireform switch, the slam tilt
switch activates.
No raster.
SYMPTOMS
In switch edges test the top wireform switch
(#71) reads slam tilt, bottom wireform switch
(#72) reads coin door closed.
SYMPTOMS
No high voltage, B+ high (130-160vdc).
IC2, IC4, QlO, Ql 1, D10, D12 and C36 known
good.
CAUSE
Poor (if any) filtering of B+ out of regulator IC4.
CAUSE
Short in switch matrix.
SOLUTION
SOLUTION
Replace C57 (47uf@ 160v) with one rated
200v.
Check your left mini-exit switch (#74) for a
shorted switch or diode, or most likely diode
shorting across switch.
@
NOTE
Check this cap. especially if high voltage is
intermittent.
NOTE
Make sure this switch has one of the protective
rubber covers on it.
Phone & Fax
See page 21 for updated manufacturer
customer seNice phone & fax numbers.
Gottlieb System
80 B Pinball
RandyTeny
Alpine Amusement
Connersville, Indiana
SUBJECT
Gottlieb pins utilizing alphanumeric display
boards part #'s MA-644 and MA-644F.
* * *
MURPHY'S LAW
# 1308
PROBLEM
Displays flicker.
CAUSE
Poor (if any) filtering of -45vdc from bridge recti-
fier (CRl-4).
SOLUTION
Replace Cl (470uf@ 50v) with one rated@ 100v.
Technical Supply Review AMOA 1991
Sam Cross
Godwin Distributing Company
North Little Rock, Arkansas
Asahi Seiko made the coin acceptors that go
into the older Nintendo cabinets. If you need new
ones, their address is Asahi Seiko USA, Inc ..
4029 S. Industrial Road, Las Vegas. NV 89103.
(702) 794-2920.
Clean Team Co .. 960 Enchanted Way. No. 108,
Simi Valley, CA 93065 (805) 581-1000 carries
technical cleaning products and cleaning cards
for bill accepting and counting equipment.
Coin Acceptors Inc., 300 Hunter Avenue, St.
Louis, MO 63124 (314) 725-0100 is your num-
ber for replacement parts on games that use
their equipment.
Coin Controls, Inc., 1850 Howard St., Elk
Grove Village, IL 60007 (708) 228-1810 also has
a lot of their coin doors on equipment out there.
Call them if you need their parts.
Deltronic Labs, Inc.. 120 Liberty Lane,
Chalfont, PA 18914 (215) 997-8616, who has a
majority of the ticket dispensers out there, now
has an upgrade to make the dispensers very easy
to unjam. This is good news to the techs and
maintenance folks who have had to take the
things apart to clear them. It's known as the
Quick Release Metal Ticket Guide. They also have
a Ticket Dispenser Validation Kit, which em-
bosses the tickets to show that they have come
through the dispenser.
Lock America in Garden Grove, CA (714) 373-
2993 has a good selection of different locking
bars to put on video equipment.
Leland introduced Dragon's Lair 2, and to my
relief we will probably have fewer problems with
the players because they now use solid state
lasers. They can use three different players,
Sony, Pioneer and Philli.ps. Also, game informa-
tion is on the screen, not on a separate display
board as before.
Happ Controls in Elk Grove Village, IL (708)
593-6130 continues to add new items to their
inventory all the time. Call for a catalog.
Space Age Electronics, 26524 Golden Valley
Road, Unit 507, Saugus, CA 91351 (800) 822-
. 0280, (805) 251-8596 has video monitors plus a
smattering of electronics and controls which are
most used by our industry.
Nu Concept Systems, Colmar, PA (215) 822-
8400 has hot air equipment for reworkingPCB's.
ur. (801)
278-5248 has solid state joystick and
pushbutton controls.
Perfect 360 controls, Salt Lake City,
Co.,
Bloomington, IN (818) 333-9939 has a pricing
guide for newer and used equipment for giving
you a better idea what your equipment is worth.
A one year subscription is $95: two years, $ 180.
Send subscription to USA GUIDE, 4014 N. Fir
Road Box 45, Mishawaka, IN 46545 (219) 256-
1158.
U.S.
Eygo Company Ltd., 3649 Conflans, STE. 122,
Irving, 1X 75061 (214) 968-9008 has 13, 19, 27,
and 33 inch diagonal monitors as well as power
supplies and a hard to find video to NTSC
decoder, which has a $98 asking price.
AG Screenprinting Inc. in Reno (702) 827-
8110 does screenprinting for marquees, monitor
glass and the like. If you have big plans for
production or remanufacture of a particular
item, call them.
Amusement
and
Auction
American Design Microcomponents (800)
776-3800 has a good line of electronics for the
technician.

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