Huawei EML-L29V100R001 Manuals

Manuals and User Guides for Huawei EML-L29V100R001. We have 1 Huawei EML-L29V100R001 manual available for free PDF download: Maintenance Manual

Huawei EML-L29V100R001 Maintenance Manual

Huawei EML-L29V100R001 Maintenance Manual (67 pages)

Brand: Huawei | Category: Cell Phone | Size: 1.8 MB

Table of Contents

Table of Contents
3
Product Introduction and Specifications
6
Product Introduction
6
Product Specifications
6
Working Principles and Materials
8
Block Diagram
8
Module Functions
8
PCBA Components and BOM Information
11
Faulty Component Description
12
Software Maintenance Guide
15
Root Detection Instructions
15
Forcibly Entering Fastboot Mode
15
Entering Forcible Loading Mode (Forcible Update Mode)
15
Detection in Fastboot Mode
15
ADB Mode Detection (Only for Phones that Can Properly Start)
16
Software Update Guide
17
Updating a Rooted Phone
17
Updating an Unrooted Phone
19
Software Log Tool
20
Log Tool
20
Instructions for Using the Log Tool
20
Troubleshooting
22
Charging Failure
22
Maintenance Process
22
Maintenance Principle
23
SIM Card Detection Failure
25
Maintenance Process
25
Maintenance Reference Networks
26
LCD Failure
27
Maintenance Process
27
Maintenance Principle
28
Touchscreen Failure
29
Maintenance Process
29
Maintenance Principle
30
Proximity/Ambient Light Sensor Failure
31
Maintenance Process
31
Maintenance Principle
32
Accelerometer Failure
33
Maintenance Process
33
Maintenance Principle
34
Compass Failure
35
Maintenance Process
35
Maintenance Principle
36
Hall Sensor Failure
37
Maintenance Process
37
Maintenance Principle
37
Motor Failure
38
Maintenance Process
38
Maintenance Principle
39
Receiver Failure
40
Maintenance Process
40
Maintenance Principle
41
Speaker Failure
42
Aintenance Process
42
Maintenance Principle
42
Microphone Failure
43
Maintenance Process
43
Maintenance Principle
44
Headset Failure
45
Maintenance Process
45
Maintenance Principle
46
Wi-Fi and Bluetooth Failure
47
Maintenance Process
47
Maintenance Principle
47
GPS Failure
49
Maintenance Process
49
Maintenance Principle
50
RF Failure (CDMA)
51
Maintenance Process (Transmission)
51
Maintenance Principle (Transmission)
52
Maintenance Process (Reception)
53
Maintenance Principle (Reception)
54
RF Failure (WCDMA)
55
Maintenance Process (Transmission)
55
Maintenance Principle (Transmission)
56
Maintenance Process (Reception)
57
Maintenance Principle (Reception)
58
RF Failure (GSM)
59
Maintenance Process (Transmission)
59
Maintenance Principle (Transmission)
60
Maintenance Process (Reception)
60
RF Failure (TDS/LTE)
61
Maintenance Process (Transmission)
61
Maintenance Principle (Transmission)
62
Maintenance Process (Reception)
64
Maintenance Principle (Reception)
65

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