Star Tech Journal

Issue: 1990-August - Vol 12 Issue 6

DJ Boy Logic Board
Lock-Up
Dave Peckels
American Sammy Corporation
Torrance, California
PROBLEM
A small percentage of DJ Boy PCB's have de-
veloped a lock-up or freezing problem, usually
during the attract mode.
SOLUTION
If you are experiencing such difficulties, the
distributor from whom you purchased the kit
can supply, at no charge, a set of 2 updated
Eproms, which will resolve the situation.
MURPHY'S LAW
#1206
Please return the old chips to your distributor as
soon as possible. Thank you and we regret any
inconveniences that this may have caused you.
Wins Rollergames
Hey There
Mr. Jukebox Operator!
Upper Rubber Ring
Are you frustrated at the high cost of a new CD
jukebox for that location that just won't justify it?
Evan Wessel
Mercury Amusement
Havertown, Pennsylvania
PROBLEM
Changing an upper rubber ring under the ramps
on Rollergames is a 2 man, 1/2 hour job. The
playfield must be lifted out of the game and the
ramps must be removed while juggling the
playfield on it's side. Definitely not fun.
SUGGESTION
Special service, long-life rings similar to the tan
shooter tips that outlast white tips 10 to 1. I
realize that they may not have the rebound of
white rings, but servicing is more important, in
this case.
Well, don't junk those old 45 phonos!
t• ~9PY~£t••!ijtmiitheyrn~1•• •
• • • 1 0 .t1.Ht¢lj§J ¢§nr¢riji§ij•• tif .. • • ·
Kit includes: • 12 disc CD player ( add-ons
optional; up to 3 players) • CPU board &
Control panel with numbered push button key-
board• LED readouts• Price and Play instruc-
tion card• Decals• Wiring harness• Hook up
instructions• 12 month warranty complete kit.
For more information, call the
CD JUKEBOX KIT CO., Inc.
at 901/364-5140 or
fax 901/364-3134.
WilliaIDs Rollergames Deep Freeze Adj
Greg McKay, Service Department
Williams Electronics Games, Inc.
Chicago, Illinois
SUBJECT
Rollergames "Deep Freeze" Magnet Performance
Adjustments
INFORMATION
Three adjustments are recommended, to ensure
proper "Deep Freeze" Magnet operation. Deter-
mine which is applicable for your game. (Some
games may need only one; some may need more
than one.)
The first adjustment affects the ball direction, as
it exits the tube at the end of the Ball Popper Wire
Ramp. The second adjustment affects the ball
location when frozen by the magnet. The third
adjustment affects the magnet core height
(hold) it. Also, be careful of the direction of the
roll. The tab should direct the ball slightly to-
ward the ball guide to ensure that the ball will
roll through the magnet region, rather than
possibly bouncing away from the magnet region.
)
ul'l'Er{ Rr~Af F1.11>flik Pkri6rn A6JdsrMENf /
PROCEDURE
1. Check the ball movement as the magnet
freezes (holds) it. Ideally, the ball will be rubbing
on the red flipper rubber, during the freeze. This
dampens the magnetic oscillations much faster
and allows a well-aligned shot up the left Upper
Plastic Ramp.
2. Adjust the Upper Right Flipper paddle posi-
tion, if possible, to allow the ball to rest on the red
flipper rubber, while the magnet is holding it.
PROCEDURE
1. Check the direction and distance of ball
movement as it exits the Ball Popper Wire Ramp
tube. As it drops out of the tube, the tab at the
bottom of the tube should send the ball rolling
uphill (upward on the playfield) approximately 1
inch, before rolling down the ball guide into the
"Deep Freeze" Magnet region, near the Upper
Right Flipper.
2. Adjust the tab at the lower end of the Ramp
tube to obtain the proper uphill roll. Be careful
of the uphill roll distance because too long an
uphill roll can cause the ball to gain too much
momentum and roll completely through the
magnet area too fast for the magnet to freeze
3. Be careful during this adjustment to avoid
making the loop shot around the ball guide at the
top of the playfield end in an outhole drain (up
the left side of the ball guide, around the upper
rim, and down the right side of the ball guide,
past the flipper paddle, and down between both
lower flippers into the outhole). The Upper Right
Flipper paddle should send the ball onto the
lower right flipper, when properly adjusted.
Ball resting on Upper RiRht flipper
rubber. during Magnet 'Freeze'

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