Star Tech Journal
Issue: 1996-January - Vol 17 Issue 11 - Page 7
January 1996
STAR*TEcH
CD
Journal
BALLY
THEATRE OF MAGIC
OPTO SENSOR ADJUSTMENTS
Jonathan Deitch
Games Technician
Atlanta, Georgia
VERSION UPGRADE
SETUP
First of all, the v 1.3 upgrade fixes
a LOT of the trunk switch prob-
lems (i.e. the ones where you
can't figure out what's wrong!).
To adjust the sensors properly,
you have to first clean the game.
And I mean very well. The metal
particles in the grime on the
playfield will throw the adjust-
ments off.
Second, rotate the trunk in trunk
test so that the magnet side of the
trunk is facing down the
playfield. This will present the
heaviest side of the trunk, metal-
lic-density wise, to the trunk eddy
sensor.
ADJUSTMENT
PROBLEM
I've discovered that the settings
on the eddy sensors is CRITI-
CAL to proper operation of the
trunk position optos. For some
reason, if they are too sensitive,
the trunk optos will really act
flaky. I think it has something to
do with the effects of the eddy
sensor output rapidly oscillating
- n and off on the switch matrix.
it doesn't seem to affect the me-
chanical switches but it seems to
really freak out the optos.
Now adjust each sensor's adjust-
ment pot counter-clockwise un-
til the red light goes on. Now
adjust clockwise until it just goes
off & continue another 1/8 turn.
"Carry circuit
breakers with clip
leads attached to save
fuses during
troubleshooting. "
Douglas 'Enzo' McCallum
Shiawassee Technical Services
Lansing, Michigan
~
Got a Good Idea?
Mail it to: Good Idea c/o STJ,
POB 35, Medford, NJ 08055.
Or fax to: Good Idea c/o STJ
609/654-1441
Email: startech@cyberenet.net
REVITALIZE
YOUR VIDEO!
With STAR*TECH
Journal's
PllEvENTIVE MAINTENANCE
A critical factor in keeping the
eddy sensors in proper adjust-
ment is to clean the game often.
The metal particles that build up
in the grime on the playfield is
more than enough to make the
sensors too sensitive. Frequent
checks on the alignment is also
needed as game vibration can
cause the pots to drift in adjust-
ment as well.
Increase your profits by
increasing the brillance
of your video monitors!
SAFE
&
EASY
INSTALLATION
Firs
ALL
11" ro 36"
MONITORS
FOREIGN
&
DOMESTIC
See page 20 for details
and order info!
STAR*TEcH
CD
Journal
BALLY
THEATRE OF MAGIC
OPTO SENSOR ADJUSTMENTS
Jonathan Deitch
Games Technician
Atlanta, Georgia
VERSION UPGRADE
SETUP
First of all, the v 1.3 upgrade fixes
a LOT of the trunk switch prob-
lems (i.e. the ones where you
can't figure out what's wrong!).
To adjust the sensors properly,
you have to first clean the game.
And I mean very well. The metal
particles in the grime on the
playfield will throw the adjust-
ments off.
Second, rotate the trunk in trunk
test so that the magnet side of the
trunk is facing down the
playfield. This will present the
heaviest side of the trunk, metal-
lic-density wise, to the trunk eddy
sensor.
ADJUSTMENT
PROBLEM
I've discovered that the settings
on the eddy sensors is CRITI-
CAL to proper operation of the
trunk position optos. For some
reason, if they are too sensitive,
the trunk optos will really act
flaky. I think it has something to
do with the effects of the eddy
sensor output rapidly oscillating
- n and off on the switch matrix.
it doesn't seem to affect the me-
chanical switches but it seems to
really freak out the optos.
Now adjust each sensor's adjust-
ment pot counter-clockwise un-
til the red light goes on. Now
adjust clockwise until it just goes
off & continue another 1/8 turn.
"Carry circuit
breakers with clip
leads attached to save
fuses during
troubleshooting. "
Douglas 'Enzo' McCallum
Shiawassee Technical Services
Lansing, Michigan
~
Got a Good Idea?
Mail it to: Good Idea c/o STJ,
POB 35, Medford, NJ 08055.
Or fax to: Good Idea c/o STJ
609/654-1441
Email: startech@cyberenet.net
REVITALIZE
YOUR VIDEO!
With STAR*TECH
Journal's
PllEvENTIVE MAINTENANCE
A critical factor in keeping the
eddy sensors in proper adjust-
ment is to clean the game often.
The metal particles that build up
in the grime on the playfield is
more than enough to make the
sensors too sensitive. Frequent
checks on the alignment is also
needed as game vibration can
cause the pots to drift in adjust-
ment as well.
Increase your profits by
increasing the brillance
of your video monitors!
SAFE
&
EASY
INSTALLATION
Firs
ALL
11" ro 36"
MONITORS
FOREIGN
&
DOMESTIC
See page 20 for details
and order info!
Future scanning projects are planned by the International Arcade Museum Library (IAML).