Table of contents……………………………………………………………...…3
Getting Start…………………………………………………….………………...4
Conventions Used in this Guide…………………………………………….…4
Safety Precautions………………………………………………………………4
Chapter 1. How to Handle Defective Returns……………………………….5
1.2 Problem………………………………………………………………………6
1.2.1 No power,LED (indicator)unlighted……………………………….7
1.2.2 No sound…………………………………………………………….…….8
1.2.3 Noise………………….….……….……….……….……….……….….…9
1.2.4 LED indicators no light when working….…..….……….……….….…10
1.2.5 Volume switch no use…………………………………………….…..…11
1.2.6 Headphone jack no use……………….…………….……………….….12
Chapter 2. Specification…………………………………………………..……13
Chapter 3. Block diagram…………………………………………..………….14
Chapter 4. Exploded view………………………………………………………15
Active speaker………………………………………………………….……….15
Passive speaker………………………………………..…….…………………16
Chapter 5. Part list…………………………………… …………….…………...17
Active speaker…………………………………………………….…….…….. 17
Passive speaker……………………………………………………………...…17
Chapter 6 Important notes………………………………………………………18
Chapter 7 Schematic diagram………………………………………………….29
Version 1.0 Page 3 of 19