Table Of Contents

COVER

1 Safety Precautions

1.1 GENERAL GUIDELINES

1.1.1 LEAKAGE CURRENT COLD CHECK

1.1.2 LEAKAGE CURRENT HOT CHECK (See Figure 1.)

2 Handling the Lead-free Solder

2.1 About lead free solder (PbF)

3 Before Repair and Adjustment

4 Protection Circuitry

5 Connection of the Speaker Cables

6 Disassembly Procedure

6.1 Disassembly flow chart

6.2 Disassembly of the Speaker Unit and Checking of the P.C.B.

6.3 Main Component Replacement Procedures

6.3.1 Replacement of the Power ICs and Transistors

7 Connection of the Speaker Wiring

8 Block Diagram

9 Schematic Diagram

10 Printed Circuit Board

11 Wiring Connection Diagram

12 Illustration of IC ’ s, Transistors and Diodes

13 Parts Location and Replacement Parts List

13.1 Cabinet

13.1.1 Cabinet Parts Location

13.1.2 Cabinet Parts List

13.2 Electrical Parts List

13.3 Packing Materials & Accessories Parts List

13.4 Packaging