Integrated Circuit Diagrams - Bose Lifestyle PS 28 Troubleshooting Manual

TDA7265, power amp, 2 x 25W
part number 256084-001
Pin Connection
1 Output 2
2 Output 1
3 V+
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
LM339, voltage comparator
part number 187618-001

Integrated Circuit Diagrams

CS8415A, SPDIF receiver
part number 254193-001
IN+ (1)
IN- (1)
GND
IN- (2)
1A
IN+ (2)
-Vs
MUTE 1B
OUTPUT (2)
+Vs
1Y
OUTPUT (1)
-Vs
2A
2B
2Y
GND
26
PS18/28/35 Troubleshooting Guide
14 Vcc
1
2 13 4B
4A
12
3
4 11 4Y
10 3A
5
3B
6 9
7
8
3Y
And gate, quad 2-input, CMOS
part number 256124-001
Truth Table
A B Y
L L L
L H L
H L L
H H H