Star Tech Journal

__ 14----STAR*"TECH JOURM~4■•-------------------------A-□_G_□_s_T_,_9_B_4 __
BALLY MIDWAY
SERVICE BULLETINS:
* NFL FOOTBALL RCA VIDEODISC PLAYER SJT-40D TURNTABLE
REMOVAL
* SPY HUNTER [UPRIGHT & SITDDWN) SCHEMATIC ERROR
* BIG BAT PC BOARD INTERCHANGEABILITY
*MR.VIKING BUTTON REVERSAL
*MR.VIKING OPTION CARD INFO
REAR
NFL FOOTBALL RCAVIDEDDISC
PLAYER SJT-4OO TURNTABLE
REMOVAL
1. Remove cabinet top, guide rail bracket
and spindle receiver.
2. Rotate 2nd reduction gear properly to
allow turntable to turn.
3. To prevent videodisc player damage, the
turntable must be aligned as shown
before removing by lifting upwards.
DISC PLAYER
TURNTABLE
FRONT
SPY HUNTER (UPRIGHT &
SITDOWN) SCHEMATIC ERROR
Subject: Cheap Squeak Deluxe Music Board
(A080-91671-D000)
ZENER DIODE
The Cheap Squeak Deluxe Schematic 01,
02, 03 and 04 are indicated as Zener Diodes.
This is incorrect. The IN5817 is a Schottky
Diode and should be drawn as shown.
SCHOTTKY DIODE
"4
C
BIG BAT PC BOARD INTERCHANGEABILITY
The following PC boards have been used before in Bally Midway pinball games.
PC BOARD
INTERCHANGEABLE WITH:
1. MPU Board
Baby Pac-Man, Gold Ban Grand Slam and Midnight
Marauders. (Except Program ICs and Jumper
Combinations.)
2. Squawk & Talk Module
Any Bally Midway game to date that used the Squawk
and Talk Module. (Except Program ICs and Jumper
Combinations.)
3. Six-Digit Display Driver Module
Any Bally Midway pinball game to date.
4. Rectifier/Power Supply Module
Grand Slam, Gold Ball and Midnight Marauders.
5. High Voltage Lamp/Solenoid
Combination Module
Grand Slam and Gold Ball.
n
MR. VIKING BUTTON REVERSAL
MR. VIKING OPTION CARD INFO
Game: Mr. Viking (Serial No. #101 to #250)
Subject: Control Panel Arrow and Armament
Buttons are Reversed.
Game: Mr. Viking (Serial No. #101 to #125)
MODIFICATION
The Arrow Button should be red.
The Armament Button should be yellow.
Modify by interchanging the red and yellow
buttons to match instruction decal.
Subject: Option Switch Setting Card
The option switch card stapled in the rear of
the game is for the Up 'N Down game and
should be removed.
The Mr. Viking option switch setting infor-
mation can be found in the preliminary in-
struction manual stapled to the rear door.
If additional information is needed, please
call the Bally Midway Service Department.