Panasonic SB-WA101E, Service Manual, Page: 2 / 30

1 Safety Precautions 3
1.1. General Guidelines 3
1.2. Caution for AC Cord 4
1.3. Before Repair and Adjustment 5
1.4. Protection Circuitry 5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 6
3 Warning 7
3.1. Service caution based on legal restrictions 7
4 Accessory 8
5 Connection of the Speaker Cables 8
6 Assembling and Disassembling 9
6.1. Caution 9
6.2. Disassembly flow chart 9
6.3. Disassembly of Stand ornament 10
6.4. Disassembly of Power amplifier unit 10
6.5. Disassembly of Woofer speaker 11
6.6. Disassembly of Power P.C.B. 11
6.7. Disassembly of Transformer P.C.B. 12
6.8. Disassembly of Level control P.C.B. 12
7 Connection of the Speaker Wiring 14
8 Wiring Connection Diagram 15
9 Block Diagram 17
10 Notes of Schematic Diagram 19
11 Schematic Diagram 21
11.1. Power Circuit, Level Control Circuit, Transformer Circuit
and LED Circuit 21
12 Printed Circuit Board 23
12.1. Power P.C.B., Level Control P.C.B., Transformer P.C.B.
and LED P.C.B. 23
13 Illustration of IC's, Transistors and Diodes 25
14 Exploded view 26
14.1. Cabinet Parts Location 26
14.2. Packaging 27
15 Replacement Parts List 28
CONTENTS
Page Page
2
SB-WA101E / SB-WA101EB