Service Guide
SP-HF1255A
3
Table of Contents
Revision History………………………………………………………………….2
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 Right or left channel no sound….……….……….……….……..….…...…9
1.2.4 Noise………………………………….…………………………....…..…10
1.2.5 LED indicators no light…………………………….….……………...….11
1.2.6 Headphone jack output no sound……………………………..……...…..12
1.2.7 VR, headphone jack or line-in jack abnormal……..………….…...……..13
Chapter 2. Specification……………………………………………….….……14
Satellite……………………………………………………..…………….……14
Chapter 3. Block diagram…………………………………………..……...…..15
Chapter 4. Part list…………………………………… …………….………….16
Chapter 5 Important notes……………………………………………………...17
Chapter 6. Exploded view………………………………………………...……18
Right Satellite…………………………………………………..…….…...……18
Left Satellite…………………………………………………………………….19
Chapter 7 Schematic diagram……………………………………..…….………20
Summary of Contents for SP-HF1255A
Page 1: ...Service Guide SP HF1255A 1 SERVICE GUIDE KEY SYSTEM CORP ...
Page 2: ...Service Guide SP HF1255A 2 Revision History Version Date Change 1 0 2009 12 22 ...
Page 18: ...Service Guide SP HF1255A 18 Chapter 6 Exploded view Right ...
Page 19: ...Service Guide SP HF1255A 19 Chapter 6 Exploded view Left ...
Page 20: ...Service Guide SP HF1255A 20 Chapter 7 Schematic diagram ...
