Table Of Contents - Huawei U9500 Maintenance Manual

User manual (124 pages)

Table of Contents

U9500 Maintenance Guide

About This Document ................................................................................................................... iii

1 Product Overview ......................................................................................................................... 1

1.1 Appearance ....................................................................................................................................................... 1

1.2 Features ............................................................................................................................................................ 1

2 Applicable Scope and Precautions ............................................................................................ 4

2.1 Applicable Scope .............................................................................................................................................. 4

2.2 Precautions ....................................................................................................................................................... 4

2.3 How to Obtain Product and Repair Information .............................................................................................. 4

3 Exploded View............................................................................................................................... 5

3.1 Exploded View ................................................................................................................................................. 5

3.2 Component List ................................................................................................................................................ 5

4 Layout of Components on the PCBA ........................................................................................ 7

4.1 Components on the PCBA ............................................................................................................................... 7

5 Software Upgrade ....................................................................................................................... 10

5.1 Upgrade Preparation ....................................................................................................................................... 10

5.2 Upgrade Using a microSD Card ..................................................................................................................... 10

5.2.1 Normal Upgrade .................................................................................................................................... 10

5.2.2 Forcible Upgrade .................................................................................................................................. 11

5.3 Upgrade Failure Troubleshooting ................................................................................................................... 11

6 Repair Tools ................................................................................................................................. 12

7 Disassembly Procedure .............................................................................................................. 14

7.1 Disassembly Preparation ................................................................................................................................ 14

7.2 Disassembly Procedure .................................................................................................................................. 14

8 Assembly Procedure ................................................................................................................... 29

8.1 Assembly Description .................................................................................................................................... 29

8.2 Assembly Procedure ....................................................................................................................................... 29

9 Troubleshooting .......................................................................................................................... 35

9.1 Architecture Introduction ............................................................................................................................... 35

9.2 Failure and Handling Process ......................................................................................................................... 40

Issue 1.2 (2012-6-30)

Huawei Proprietary and Confidential

Contents