STAR*TECH Journal
Williams
Getaway
OptoAssy
September 7992
Merit Pub Time Scorpion
Dart Matrix Scoring
Problem
Ryck Zarick
All Star Vending Co.
Toledo, Ohio
Jim Kelly, Customer Svc Mgr
Merit Industries
Bensalem, Pennsylvania
PROBLEM
PROBLEM
Supercharger Opto LED falling
out of opto assembly with LED
leads breaking at PC board.
Some Pub Time dart games
(Scorpion or older games with
Scorpion Target kits)mayexperi-
ence intermittent scoring prob-
lems.
CAUSE
Due to variations in diameter of
LEDs, some may be loose in the
holder on the assembly.
problem develops this procedure
should be completed.
MODIFICATION
A matrix ribbon cable connector
clamp has been developed to safe-
guard against any intermittent
connections.
SYMPTOM
Occasionally, a dart may hit a
segment and not score.
Apparently the heavy vibration
from the Supercharger Ramp
ca uses the LED to vibrate enough
to break the leads where they are
soldered to the PC board.
The blue edge connector on the
matrix ribbon tail may have
faulty crimps.
SOLUTION
SOLUTION
If the LED is loose in the LED
holder, it may help to glue the
LED to the holder. Since we have
only had this happen a couple of
times, this is just an "early warn-
ing".
All matrix boards prior to the
date code "9123" should be modi-
fied to prevent future problems.
This modification update kit con-
sists of:
• Metal clamp
• Screws (2)
• Nuts and (2)
• Foam strips (2)
It is a (5) minute procedure that
can be done on location.
CAUSE
SOURCE
This kit is available at no charge
from Merit. Call Customer Ser-
vice at 1-800/445-9353 for your
orders
All Scorpion matrix boards are
currently using this modification
and it is recommended that if a
ADVERT
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609/662-1080
OR FAX
609/662-0537
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