Bose Lifestyle 28 Troubleshooting Manual - Page 26
Browse online or download pdf Troubleshooting Manual for Speakers Bose Lifestyle 28. Bose Lifestyle 28 32 pages. Dvd home entertainment systems
Also for Bose Lifestyle 28: Installation Manual (32 pages), Operating Manual (44 pages), Owner's Manual (22 pages), Operating Manual (46 pages), Operating Manual (44 pages), Operating Manual (34 pages)
Print Page
- 1. Table of Contents
- 2. Safety Information
- 3. Electrostatic Discharge Senstitive (ESDS) Device Handling
- 4. Specifications
- 5. Theory of Operation
- 6. Theory of Operation
- 7. Setting up a Computer to Issue TAP Commands
- 8. Placing the Bass Module into TAP Mode
- 9. Equalizer Programming Method
- 10. Scope Photos
- 11. Scope Photos
- 12. Integrated Circuit Diagrams
- 13. Troubleshooting Guide
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