Contents
1 Brief Introduction ......................................................................................................................... 5
1.1 Appearance ....................................................................................................................................................... 5
1.2 Features ............................................................................................................................................................ 5
2 Applicable Scope and Precautions ............................................................................................ 7
2.1 Applicable Scope .............................................................................................................................................. 7
2.2 Precautions ....................................................................................................................................................... 7
2.3 How to Obtain Product and Repair Information ............................................................................................. 7
3 Exploded View............................................................................................................................... 8
4 Components on the Main PCB ................................................................................................. 10
5 Software Upgrade ....................................................................................................................... 13
5.1 Preparing for Upgrade .................................................................................................................................... 13
5.2 Hardware Connection ..................................................................................................................................... 13
5.3 Installing the USB Driver ............................................................................................................................... 14
5.3.1 Performing a Normal Upgrade .............................................................................................................. 16
5.3.2 Performing a Forcible Upgrade ............................................................................................................. 18
5.4 Upgrading the G510 Using the microSD Card ............................................................................................... 18
5.4.1 Performing a Normal Upgrade .............................................................................................................. 18
5.4.2 Performing a Forcible Upgrade ............................................................................................................. 20
5.5 Troubleshooting Upgrade Failures ................................................................................................................. 20
6 Repair Tools ................................................................................................................................. 22
7 Disassembly Procedure .............................................................................................................. 24
8 Assembly Procedure ................................................................................................................... 30
9 Principles and Failure Analysis ............................................................................................... 33
9.1 Principle Block Diagram and Introduction ..................................................................................................... 33
9.2 Baseband Unit ................................................................................................................................................ 34
9.2.1 Power-On Management Circuit ............................................................................................................ 34
9.2.2 Charging Management Circuit .............................................................................................................. 39
9.2.3 Clock Circuit ......................................................................................................................................... 44
9.2.4 Flash Memory Circuit ........................................................................................................................... 46
9.3 RF Unit ........................................................................................................................................................... 50