Catalog
Chapter One About Maintenance
1.1 Safety precautions
1.1.1 Precautions for antistatic
1.1.2 About placement position
1.2 Maintenance method
1.2.1 Visualized method
1.2.2 Electric resistance method
1.2.3 Voltage method
1.2.4 Current method
1.2.5 Cutting method
1.2.6 Element substitution method
1.2.7 Comparison method
1.3 Required device for maintenance
Chapter Two Functions and Operation Instructions
2.1 USAGE INTRODUCTION
2.1.1 FUNCTIONS AND FEATURES
2.1.2 BUTTONS AND JACKS ILLUSTRATION
2.1.3 MAIN MENU ILLUSTRATION
2.1.4 PLAYING INTERFACE ILLUSTRATION
2.1.6 RECORDING INTERFACE ILLUSTRATION
2.2 BASIC OPERATIONl
2.2.1 INSTALL USB DRIVE PROGRAM
2.2.2 INSTALL USB DRIVE PROGRAM
2.2.3 USE MOBILE STORAGE FUNCTION
2.2.4 DISCONNECT USB SAFELY
2.2.5 BROWSE/CANCEL FILE
2.2.6 PLAY MUSIC
2.2.7 PLAY MUSIC
2.1.5 TUNING INTERFACE ILLUSTRATION
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Summary of Contents for X21
Page 1: ...service manual X21 RU ...
Page 42: ...3 L1 1 8V energy storage waveform diagram 4 LCD_CS wabeform 5 LCD_D C waveform diagram 37 ...
Page 43: ...6 LCD_RESET 7 LCD_WR waveform diagram 8 LCD_RD waveform diagram 38 ...
Page 45: ...12 LCD_DB3 waveform diagram 13 LCD_DB4 waveform diagram 14 LCD_DB5 waveform diagram 40 ...
Page 46: ...15 LCD_DB6 waveform diagram 16 LCD_DB7 waveform diagram 17 IREF waveform diagram 41 ...
Page 47: ...18 VCOMH waveform diagram 42 ...
Page 66: ...Chapter Cinque PCB board Circuit diagram Section One PCB board X21 PCB Board 61 ...