1.1.
GENERAL GUIDELINES
3
2 Before Use
4
3 Before Repair and Adjustment
4
4 Protection Circuitry
4
5 Handling the Lead-free Solder
4
5.1.
About lead free solder (PbF)
4
6 Connection of the Speaker Cables
5
7 Disassembly Procedure
6
7.1.
Disassembly flow chart
6
7.2.
Disassembly of the Speaker Unit and Checking of the
P.C.B.
8
8 Block Diagram
14
9 Notes of Schematic Diagram
15
10 Schematic Diagram
16
10.1. Power Circuit
16
10.2. Transformer Circuit and AC Inlet Circuit
18
11 Printed Circuit Board
19
11.1. Power P.C.B.
19
11.2. AC Inlet P.C.B., Transformer P.C.B. and Voltage Selector
P.C.B.
21
12 Wiring Connection Diagram
22
13 Illustration of ICs, Transistors and Diodes
23
14 Parts Location and Replacement Parts List
24
14.1. Cabinet
25
14.2. Electrical Parts List
28
14.3. Packing Materials & Accessories Parts List
30
15 Packaging
31
2
SB-WA880GC / SB-WA880GCT
