Bose Acoustimass 3 - Page 24

24
Pin Pin
Name
Comment
1 NC No Connection
2 IN- Inverting Input
3 IN+ Non-inverting Input
4 V- Negative Power Supply Input
5I
ABC
Amplifier Bias Input
6 Out Amplifier Output
7 V+ Positive Power Supply Input
8 NC No Connection
1
NC
IN-
2
3
4
IN+
V
-
8
7
6
5
NC
V
+
Output
INB
+
V
CC
= (V+)-(V-)
Bipolar Operational Transconductance Amplifier
P/N 119834 (CA3080)
Main PCB Assembly
U4
12
3
Pin 146234
NJM78LO8A-T3
146235
NJM79LO8A-T3
1 Output Ground
2 Ground Input
3 Input Output
Amplifier PCB Assembly
+8 Volt Regulator 146234, U1
-8 Volt Regualtor 146235, U2