Bose Acoustimass 3 Series Manual - Page 24

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