K80 GSM&PHS Dual-mode Mobile Phone After-sales Maintenance Manual (Level I and Level II) K80 GSM/PHS Dual-mode Mobile Phone After-sales Maintenance Manual Technical Document Technical Document Name: K80 GSM/PHS Dual-mode Mobile Phone After-sales Maintenance Manual (Level I and Level II) Total 38 pages (including cover) Drafted for review and approval by Wang Hui Standardization Approved by ZTE Corporation 1 All information in this document is internal information of ZTE Corporation and shall not be disseminated externally K80 GSM/PHS Dual-mode Mobile Phone After-sales Maintenance Manual Modification Record File No. Version No. AB Drafter/Modifier Wang Hui Wang Hui Drafted/Modified Date 2007-03-27 2007-05-24 Reason for change None Added Level II Major changes (just write the main points) None Added Level II Note 1: This form needs to be filled in every time an archived file is changed. Note 2: When a file is archived for the first time, write \"None\" in the \"Reason for change\" and \"Main changes\" columns. 0 All information in this document is internal information of ZTE Corporation and shall not be disseminated externally K80 GSM/PHS Dual-Mode Mobile Phone After-Sales Service Manual Contents 1. 2. Product Overview 3 Internal Structure and Principle Introduction 4 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3. Disassembly Process 4 Structure 8 Functional Test 8 GSM Software Download 9 PHS Software Download 12 Physical Hardware Diagram 14 Main Test Points 14 Principle Block Diagram 15 Common Fault Repair Flowchart (Level 1) 15 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 Structural Component Failure 15 Not Turning On 16 Freezing 16 Automatic Shutdown 17 Charging Failure 17 Body heating/high power consumption/short standby time18 PIN/SIM card failure18 No calls sent19 No calls received/earpiece silent/noise/low volume19 No ringtone/low ringtone20 No vibration20 Keys not working21 Display failure21 Keyboard light off21 Reception failure2……
You Might Like
Recommended ContentMore
Open source project More
Popular Components
Searched by Users
Just Take a LookMore
Trending Downloads
Trending ArticlesMore