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U8860 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U8860
기능 Maintenance Manual
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U8860 데이터시트, 핀배열, 회로
U8860
Maintenance Manual
Issue
Date
1.0
2011-11-14
HUAWEI TECHNOLOGIES CO., LTD.




U8860 pdf, 반도체, 판매, 대치품
U8860
Maintenance Manual
Contents
Contents
About This Document.................................................................................................................... ii
1 Product Introduction ....................................................................................................................1
1.1 Appearance....................................................................................................................................................... 1
1.2 Specifications ................................................................................................................................................... 1
2 Applicable Scope and Precautions ............................................................................................4
2.1 Applicable Scope.............................................................................................................................................. 4
2.2 Maintenance Precautions.................................................................................................................................. 4
2.3 How to Obtain Product and Maintenance Information .................................................................................... 4
3 Explosive View ..............................................................................................................................5
4 Components on PCBA..................................................................................................................7
5 Software Upgrade .......................................................................................................................13
5.1 Upgrade Preparation....................................................................................................................................... 13
5.2 Normal Upgrade............................................................................................................................................. 13
5.3 Troubleshooting.............................................................................................................................................. 14
6 Maintenance Tools......................................................................................................................15
7 Disassembly Procedure..............................................................................................................17
8 Assembly Procedure ...................................................................................................................25
9 Principles and Troubleshooting...............................................................................................28
9.1 Block Diagram and Phone Introduction ......................................................................................................... 29
9.2 Baseband Unit ................................................................................................................................................ 33
9.2.1 Power-on Management Circuits............................................................................................................ 33
9.2.2 Charging Management Circuits ............................................................................................................ 37
9.2.3 Clock Circuit ......................................................................................................................................... 39
9.2.4 Flash Memory Circuit ........................................................................................................................... 40
9.3 RF Unit........................................................................................................................................................... 41
9.4 Peripheral Circuits.......................................................................................................................................... 44
9.4.1 Display .................................................................................................................................................. 44
9.4.2 Keypads ................................................................................................................................................ 46
9.4.3 Vibration ............................................................................................................................................... 48
Issue 1.0 (2011-11-14)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
iii

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U8860 전자부품, 판매, 대치품
U8860
Maintenance Manual
1 Product Introduction
Item
Technical standard
Band
Weight
Appearance
Antenna
SIM/USIM
Charger
Battery
Camera
Display
Connectors
Bluetooth
WiFi
USB
FM radio
GPS
Storage space
Maximum transmit power
Descriptions
WCDMA/HSDPA/HSUPA: 3GPP FDD Release 7
WCDMA: 2100 MHz/900 MHz
GSM: 850 MHz/900 MHz/1800 MHz/1900 MHz
About 140 g with battery
Bar
Built-in
Standard 6-pin SIM card, supporting 1.8 /3 V USIM card
5 V, 1 A
1930 mAh
standby time: 380 hours (3G)
Talk time: 400 minutes (3G)
Primary Camera
8 MP AF HD
Secondary camera
0.3 MP FF
Resolution
854 x 480 (FWVGA)
Type
TFT-LCD
Color
16 M
Size 4.0 inch
Charger port
Micro-USB connector
USB port
Micro-USB connector
MicroSD
MicroSD card (up to 32 GB)
Headphone jack
3.5 mm
V2.1 + EDR
802.11 b/g/n, supporting WiFi
USB 2.0,480 Mbit/s
Built-in FM radio
GPS/AGPS/GPS XTRA
ROM: 4 GB (the available space is about 2.5 GB); RAM: 512 MB (the available
space is about 300 MB)
WCDMA 2100 MHz/900 MHz: +24 dBm (Power Class 3)
GSM 850 MHz/900 MHz: +32.5 dBm (Power Class 4)
GSM 1800 MHz/1900 MHz: +29.5 dBm (Power Class 1)
EDGE 850 MHz/900 MHz: 26 dBm(+/-3 dBm)
EDGE 1800 MHz/1900 MHz: 25 dBm(+/-3 dBm)
Issue 1.0 (2011-11-14)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
2

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U8860

Maintenance Manual

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