3
Before Repair and Adjustment
4
4
Protection Circuitry
4
5
Connection of the Speaker Cables
5
6
Disassembly Procedure
6
6.1.
Disassembly flow chart
6
6.2.
Disassembly of the Speaker Unit and Checking of the
P.C.B.
7
6.3.
Main Component Replacement Procedures
12
7
Connection of the Speaker Wiring
14
8
Block Diagram
15
9 Schematic Diagram
16
10 Printed Circuit Board
21
11 Wiring Connection Diagram
26
12 Illustration of IC
痴
, Transistors and Diodes
27
13 Parts Location and Replacement Parts List
28
13.1. Cabinet
29
13.2. Electrical Parts List
31
13.3. Packing Materials & Accessories Parts List
34
13.4. Packaging
34
2
SB-WA870EB / SB-WA870EG