U29
25
ELEVATOR # 1 STEPPER MOTOR
26
ELEVATOR # 2 STEPPER MOTOR
27
CLAW STEPPER MOTOR
28
CLAW MOTOR DIRECTION
29
PELICAN BONUS MOTOR DRIVER
30
EEL BONUS MOTOR DRIVER
21
STEP MOTOR PULSE
32
CLAW SOLENOID
U27
17
18
19
20
21
22
23
24
U27
IS NOT UTLIZED IN OCEAN PEARLS.
THIS SPARE IC CAN BE USED IN
U23, & U29
TO RECITFY POTENTIAL ISSUES WITH THOSE
IC'S. IF YOU SWAP IC'S, BE SURE TO PUT
THE DEFECTIVE IC BACK INTO
U27
BEFORE
POWERING THE UNIT ON. IF THIS FIXES
YOUR PROBLEM, BE SURE TO RECORD THAT
THE IC IN
U27
IS NOW DEFECTIVE AND
CANNOT BE USED AGAIN IN ANOTHER
SOCKET
U25
9
10
11
12
13
14
15
16
U25
IS NOT UTLIZED IN OCEAN PEARLS.
THIS SPARE IC CAN BE USED IN
U23, & U29
TO RECITFY POTENTIAL ISSUES WITH THOSE
IC'S. IF YOU SWAP IC'S, BE SURE TO PUT
THE DEFECTIVE IC BACK INTO
U25
BEFORE
POWERING THE UNIT ON. IF THIS FIXES
YOUR PROBLEM, BE SURE TO RECORD THAT
THE IC IN
U25
IS NOW DEFECTIVE AND
CANNOT BE USED AGAIN IN ANOTHER
SOCKET
MAIN BOARD OUTPUTS
OCEAN PEARLS - MAIN BOARD IC (ULN2803) OUTPUT CHART
IC
OUTPUT #
CONTENT
PICTURE
U23
1
2
3
4
5
6
7
8
ROUND LED 1
ROUND LED 2
ROUND LED 3
ROUND LED 4
Jennison Entertainment Technologies
Ocean Pearls Service Manual
Page 89