Star Tech Journal

STAR*TECH JOURNAL/JANUARY 1983
18
BALLY/MIDWAY
SERVICE BULLETINS
* "SUPER PAC-MAN" ANTI-STRINGING CIRCUIT* "SUPER PAC-MAN" RACK ADVANCE TEST
* "BURGER TIME" LOCK-UP MOD* ADDITIONAL STATIC PROTECTION KIT
Game: "Burger Time"
Subject: Lock-up condition on power up (some games)
Mod lflcatlon:
Add a 30K ¼-watt resistor across capacitor C4 on the CPU
board (A084-91440-A333). See Figure #1.
Game: " Super Pac-Man"
Subject: New coin switch circuit to prevent stringing
Condition:
• When a coin hangs or the coin switch is operated manually
with a long pulse, the game will lock-up ( credit will show
AA).
• The game will clear the lock-up condition by turning the
power off and on.
• The coin circuit will function normally with coins and will not
cause a lock-up condition during normal play.
~ 30K RESISTOR
Game: "Super Pac-Man"
Subject: Rack test
Procedure:
1. Coin game.
2. Press 1 player button and start game.
3. When maze and characters appear, freeze game with Switch
#8 in the ON position (Dip switch #2 at 5B).
4. Press speed button to advance racks from one stage to
another.
5. Return Switch #8 to the OFF position to play game.
Figure #1
Games: "Ms. Pac-Man", "Galaga" , "Pac-Man", etc.
Subject: Anti-static modification
Additional static protection by modifying the coin door. See
Figure #2.
Continued on next page.
COIN ENTRY
_ ~ 0090-00912-0000
COIN ENTRY
0090-00117-03XF
'~~
INSULATOR
0090-00911-0000
PUSH NUT
0017-00103-0059
I
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e
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0
Figure #2
r.~:::----l
ANTI-STATIC INSULATOR INSTALLATION
KIT NO. A090-00113-0000
COIN CHUTE & TOP ASSEMBLY
A090·00087 ·0000