Bose Powered Acoustimass 30

46
Pin Function
1 Anode
2 Cathode
3NC
4 Main Terminal
5 Substrate Do Not
Connect
6 Main Terminal
Opto-Triac Driver
P/N 172297 (MOC3063T)
Main PCB Assembly
U604
Pin Connection
1 Output 2
2 Output 1
3V+
4 Input 1-
5 Input 1+
6 Input 2-
7 Input 2+
8 Input 3-
9 Input 3+
10 Input 4-
11 Input 4+
12 GND
13 Output 4
14 Output 3
Voltage Comparator
P/N 137929 (LM339N)
Main PCB Assembly
U600, U700, U701
Amplifier PCB Assembly
U3
INTEGRATED CIRCUITS