The Rockin & Rollin input/output board utilizes 5 input IC's to control all inputs used within the game. In
Rockin & Rollin, only FOUR of the FIVE IC's are used. You may use the ONE spare input IC in U12 on the
board in order to replace the other input IC's should one become corrupt.
ROCKIN & ROLLIN - MAIN BOARD INPUT IC (74HC245N) CHART
IC
INPUT #
CONTENT
PICTURE
U12
33
39
40
MAIN BOARD INPUTS - CONTINUED
36
37
34
35
38
Jennison Entertainment Technologies
Rockin Rollin Service Manual V-1.8
Page 29
