Star Tech Journal

Issue: 1996-December - Vol 18 Issue 10

December 1996
CD
RESET OR LOCKUP PROBLEMS
ON BALLY /WILLIAMS
WPCSVSTEM
STAR*TEcH
Journal
REVITALIZE
YOUR VIDEO!
With STAR*TECH
Journal's
Mark Anderson
Gilchrist Vending
Toronto, Ontario
SUBJECT
The Bally/Williams pinball
games with the new WPC boards
are probably the best in the in-
dustry with few problems that are
difficult to solve.
However, lately I have encoun-
tered an intermittent problem
which seems to affect any of the
games and can be difficult to nar-
row down which prompted me
to contribute this tip.
PROBLEM
Game resets when both flippers
are pressed or intermittently lock
up.
SourrmN
B R2, the bridge rectifier for the
5 volt supply may be breaking
down from excessive heat
buildup.
To verify this, check the voltage
on the top left pin on BR2 located
on the WPC Power Driver As-
sembly and is bolted to a heatsink
with BRl. The voltage should
read over 9 volts (9.3 typical).
If you measure 8.5 volts or less,
replace the rectifier.
NOTE
Increase your profits by
increasing the brillance
of your video monitors!
SAFE
&
EASY
INSTALLATION
F1Ts
ALL 11" To 36"
MONITORS
FOREIGN
&
DOMESTIC
See page 20 for details
and order info!
If you cannot locate a suitable
rectifier, don't despair, you can
swap BR2 with BR4 with no
problems. BR4 powers the flash
lamps and the only possible side
effect would be dim flash lamps.
Also, please ensure the heatsink
on BRl and BR2 is tight- a loose
heatsink only contributes to rec-
tifier failure.
PtoP~
~f®e ~OO'~Yca,
~V~IIA.f7~
Fof® Wof®K
INTHe
~'@f
leN'0t.
STAR*TEcH
Journal
December 1996
CD
SEGA
VIR1VA0H
TROUBLESHOOTING CHECKLIST
Sega Technical Services
Sega Gameworks LLC
Fremont, California
.:-:·
:r~~:u,:1.;;,;.,;
PROBLEM
Wheti the ;inalb SWtstu:rµ.ed on,
the machine is.not activated~
l
• . . . .
.. ,-~ ~ . w ¼ W l
PB.0•1•:
w
The color oi image on.Jnoitifut
sereen'i$int;tp-ect.
l
I
CAUSE
Connector connection is incor-
rect.
SOLUTION
CAUSE
CAUSE
The power is not on.
Incorrect monitor adjustment.
SOLUTION
SOLUTION
Firmly insert plug into outlet.
Make appropriate adjustments.
Check connector connection
from speaker.
~a~
CAUSE
.. , , ·on ate unsatisfacto.ry<>
., ll,011•
Incorrect power source/voltage.
'Ihe OJl,,,SCl'OO!)..im.age ofth.emem-
SOLUTION
tor sways anti/or sb.rinb.
D8$h'ab.d Shot but-
CAUSE
Make sure that the power sup-
ply /voltage are correct.
CAUSE
SOLUTION
CAUSE
The power source and voltage
are not correct.
SW replacement. Finger SW Part
No. 509-5664 Thumb SW Part
No. 509-5677 SW Micro Type
Part No. 509-5466
Fuse blown due to instantaneous
overcurrent.
SW malfunctioning.
SOLUTION
SOLUTION
Make sure that power supply and
voltage are correct.
Remove the cause of overload
and replace the fuse.
h<>•.t.:n(
Sound is not.emitted.
~•x.
Fluorescent l-.mp cloesn'tlight
up.
PROBLEM
Does not finish network check.
CAUSE
CAUSE
CAUSE
Sound volume adjustment is not
correct.
Fluorescent lamp needs replace-
ment.
SOLUTION
SOLlITION
Adjust the switch unit's sound
adjustment volume (control).
Replace the fluorescent lamp.
Unsatisfactory connection of op-
tic fiber between the 2 seats.
SOLUTION
Check optic fiber connection.
CAUSE
CAUSE
Malfunctioning BD and Amp.
Connector connection is incor-
rect.
Communication play setting error.
SOLUTION
SOLUTION
SOLlITION
Perform sound test.
Check connector connections in
the Billboard.
CAUSE
Communication play setting.

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