Huawei U8510-1 User manual

U8510-1 Maintenance Manual Basic
Version V1.0
Prepared by Product Department
Documentation Team Date 2011-04-29
Reviewed by Date
Approved by Date
Huawei Technologies Co., Ltd.
All rights reserved

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Revision record
Date Revision
Version Revision Cause Section Number
Change
Description Author
2011-04-29 V1.0 Product Department
Documentation Team

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Contents
1 PRODUCT INTRODUCTION ................................................................................................................................5
1.1 PRODUCT APPEARANCE .....................................................................................................................................5
1.2 PRODUCT SPECIFICATIONS................................................................................................................................5
2 MAINTENANCE INFORMATION GUIDE .........................................................................................................7
2.1 DOCUMENT APPLICATION ...................................................................................................................................7
2.2 MAINTENANCE PRECAUTIONS...........................................................................................................................7
2.3 OBTAINING MAINTENANCE INFORMATION .......................................................................................................7
3 EXPLOSIVE VIEW OF PRODUCT .....................................................................................................................8
4 LOCATION OF COMPONENTS ON THE MAIN BOARD.........................................................................10
5 SOFTWARE UPGRADE.......................................................................................................................................15
5.1 PREPARATION FOR UPGRADE .........................................................................................................................15
5.2 UPGRADE PROCESS..........................................................................................................................................15
5.3 FORCE DOWNLOAD ...........................................................................................................................................17
5.4 CHECK THE FIRMWARE VERSION ...................................................................................................................18
5.5 ERROR HANDLING .............................................................................................................................................18
6 MAINTENANCE TOOLS......................................................................................................................................19
7 DISASSEMBLY PROCEDURE ..........................................................................................................................21
8 ASSEMBLY PROCEDURE..................................................................................................................................26
9 TROUBLE SHOOTINGS OF COMMON FAULTS .......................................................................................31
9.1 PRINCIPLE INSTRUCTION..................................................................................................................................31
9.2 NO POWER ON...................................................................................................................................................32
9.2.1 High Current (DC power supply).....................................................................................................................32
9.2.2 Low Current (DC power supply)......................................................................................................................34
9.3 CHARGE FAILURE...............................................................................................................................................35
9.4 KEYBOARD FAILURE ..........................................................................................................................................37
9.5 VIBRATION FAILURE ...........................................................................................................................................38
9.6 SIM CARD FAILURE ...........................................................................................................................................39
9.7 SD CARD FAILURE.............................................................................................................................................40
9.8 DISPLAY FAILURE ...............................................................................................................................................41
9.9 TOUCH PANEL FAILURE.....................................................................................................................................42
9.10 CAMERA FAILURE ............................................................................................................................................43
9.11 AUDIO MALFUNCTION......................................................................................................................................44
9.11.1 No Ring Tone..........................................................................................................................................................44
9.11.2 Voice Transmitting Failure................................................................................................................................45
9.11.3 Receiver Failure....................................................................................................................................................45
9.11.4 Earphone Failure ..................................................................................................................................................46
9.12 WIFI&BT FAILURE ..........................................................................................................................................47
9.13 GPS FAILURE...................................................................................................................................................49
9.14 RF FAILURE ......................................................................................................................................................50
9.14.1 RF Receiving Failure-WCDMA 2100MHz&900MHz ..........................................................................50
9.14.2 RF Receiving Failure-GSM.............................................................................................................................52
9.14.3 RF Transmitting Failure-WCDMA 2100MHz ..........................................................................................53
9.14.4 RF Transmitting Failure-WCDMA 900MHz .............................................................................................55
9.14.5 RF Transmitting Failure-GSM........................................................................................................................56
10 WELD POINTS INDICATOR CHART FOR PCB AND BGA CHIP ......................................................57

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11 FUNCTIONAL TEST............................................................................................................................................59
11.1 KEYPAD INTRODUCTION .................................................................................................................................59
11.2 MMI TEST..........................................................................................................................................................59
11.3 VOICE CALL TEST ............................................................................................................................................61

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1 Product Introduction
1.1 Product Appearance
1.2 Product Specifications
Items Content Description
Shape PDA-type
Dimensions 110mm(L) × 56.5mm(W) × 11.2mm(T)
Weight About 105g (including the battery)
Technical standard
WCDMA/HSDPA: 3GPP FDD Release 99, Release 5 (International
standard,3GPP R5)
GSM/GPRS/EDGE: 3GPP Release 99
Operating frequency
GSM/GPRS 850MHz
824MHz~849 MHz/869MHz~894MHz(Uplink/Downlink)
GSM/GPRS 900MHz
880MHz~915MHz/925MHz~960MHz(Uplink /Downlink)
GSM/GPRS 1800MHz
1710MHz~1785MHz/1805MHz~1880MHz (Uplink/Downlink)

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Items Content Description
GSM/GPRS 1900MHz
1850MHz~1910MHz/1930MHz~1990MHz(Uplink/Downlink)
WCDMA 900MHz
WCDMA 900MHz: 880-915 MHz (UL), 925-960 MHz (DL)
WCDMA 2100MHz
1920MHz~1980MHz/2110MHz~2170MHz(Uplink /Downlink)
External interface Standard Micro USB, MicroSD Card slot, 3.5mm headset
SIM/USIM card interface standard 6-pin SIM card interface, supporting the 1.8/3V USIM card
External Memory support MicroSD Card (up to 32GB)
USB USB2.0 High Speed; 480Mbps
Battery
Battery: 1200 mAh
Standby time: 300 hours
Talking time: 250 mins
Charging Time: About 3 hours
LCD 3.2-inch TFT-LCD flat capacitive touch-sensitive screen with 480×320
(QVGA) resolution, 262k colors
Antenna Built-in antenna
Camera 3.0 MP FF Camera
FM radio Built-in
Bluetooth V2.1+EDR
WIFI 802.11b/802.11g/802.11n
GPS GpsOne Gen7
Power supply 100V~240V, 50/60Hz,400mA
Temperature Operating temperature: 0°C ~ + 40°C
Warehouse temperature: -40°C ~ +70°C
Relative humidity working: 5% - 95%

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2 Maintenance Information Guide
2.1 Document Application
This document provides instructions for maintenance of Huawei products. This manual is Huawei
proprietary and is only permitted to be used by authorized service partners. Shall there be any mistakes
found in this document, kindly contact our customer service personnel.
2.2 Maintenance Precautions
zMaintenance and calibration can be conducted only by qualified technical personnel.
zAlways wear an antistatic wrist strap during operation in an antistatic room.
zEnsure that all the components, screws, and insulators are properly installed after maintenance or
calibration. Ensure that all the cables are properly connected.
zEnsure that the soldering should comply with the environmental requirements and lead-free.
2.3 Obtaining Maintenance Information
For more related product knowledge and maintenance information, please visit Huawei website
http://www.huaweidevice.com/worldwide/technicaIndex.do
Electrostatic discharging is the major cause for the damage of sensitive electronic
components. Each service site should attach great importance to the electrostatic
discharging and strictly observe the antistatic measures described in this manual.

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3 Explosive View of Product
This exploded view is only applied to show phone frame. It is not regarded as a reference for
applying spare parts.
No Description Quantity
1 LENS_PROTECT_FILM 1
2 Front_Cover 1
3 LCD 1
4 ANTENNA_GPS 1
5 LCD_Support_Asm 1
6 PCBA 1
7 Shielding_Cover 1
8 Shielding_Frame 1
9 FPC_FILM 1
1
2
3 45 678910 11 12 13
14
15
16
1718
1920
21
22
23

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No Description Quantity
10 Volume key 1
11 TFHide_Film 1
12 POWER_KEY 1
13 POWER_KEY_ADHE_Glue 1
14 Battery Cover 1
15 Battery 1
16 Product_Nameplate 1
17 BACK_COVER 1
18 Screws 10
19 SUB_ADHE_Glue 1
20 Gasket_IC 1
21 Gasket_MIC 1
22 HOME _KEY_DOME 1
23 HOME_KEY_ASM_ 1

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4 Location of Components on the Main Board
U3202 RF Switch
GSM&WCDMA
Failure symptom:
RF transmitter failure,
RF r
ece
i
ve
r f
a
il
u
r
e
U3304 Duplexer-
WCDMA2100MHz
Failure symptom:
RF transmitter failure,
RF receiver failure
U3404 Duplexer-
WCDMA900MHz
Failure symptom:
RF transmitter failure,
RF receiver failure
U3401 Power module
-WCDMA900MHz
Failure symptom:
RF transmitter failure
U3301 TX Filter-
WCDMA2100MHz
Failure symptom:
RF transmitter failure
Camera-inner
Failure symptom:
Camera failure
U3302 Power module
–WCDMA2100MHz
Failure symptom:
RF transmitter failure
J202 FPC Connector
Failure symptom:
No power on ，Charge
failure ,Ring failure etc
U3402 TX Filter-
WCDMA900MHz
Failure symptom:
RF transmitter failure
X301 Crystal 32.768
KHz
Failure symptom:
No power on
U601 FLASH
Failure symptom:
No power on,
RF f
a
il
u
r
e
U4001&Z4001 &Z4002
RF LNAand Filter
Failure symptom:
GPS function failure
U3501 Power
module-GSM
Failure symptom:
RF transmitter failure
MIC
Failure symptom:
Transmitting voice
failure
U401 CPU
Failure symptom:
No power on,
RF failure,
Others failure etc
U201 Power
Management IC
Failure symptom:
No power on,
Charge failure
Motor
Failure symptom:
Vibration failure U3101 Crystal
19.2MHz
Failure symptom:
No power on
U3801 WCMDA/GSM
Radio Transceiver
Failure symptom:
RF transmitter failure,
RF receiver failure,
GPS failure
U3702 RX Filter-
WCDMA
Failure symptom:
RF receiver failure
U101 Audio PA
Failure symptom:
Audio failure

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BOM List is only for your reference, the lasted BOM information is downloaded in the system of
Huawei.
J102 BTB Connector
Failure symptom:
TP function failure
X4101 Crystal 26MHz
Failure symptom:
WiFi &BT failure
J1001BTB Connecter
Camera-outer
Failure symptom:
Camera failure
Z4101 BT&WiFi
Ceramics Filter
Failure symptom:
WiFi &BT failure
J1201 Battery Socket
Failure symptom:
No power on,
Charge failure
U1101 Earphone
Audio PA
Failure symptom:
Earphone failure,
Audio failure
J902 BTB Connector
Failure symptom:
Keypad failure
J1301 BTB Connector
Failure symptom:
Display failure
J1401 SIM Socket
Failure symptom:
SIM card failure
J207 IO Connector
Failure symptom:
Charge failure,
Communication failure
U1201 LCD backlight
Chip
Failure symptom:
Backli
g
ht failure
U202 Voltage LDO
Failure symptom:
No power on
J901 FPC Connector
Failure symptom:
No power on，Charge
failure ,Ring failure etc
U901 DC-DC chip
Failure symptom:
No power on,
Charge failure
U1201 Semiconductor
Sensor-Accelerometer
& Compass
Failure symptom:
Accelerometer&
Compass function
failure
J1402 TF Card Socket
Failure symptom:
TF card failure
U502 CMOS-8-D
Triggering Device
Failure symptom:
No power on
J1101 Earphone
Connector
Failure symptom:
Earphone failure,
Audio failure
U501 Receiver PA
Failure symptom:
Audio failure
U4104 BT&WiFi
Switch
Failure symptom:
WiFi &BT failure
U4201 BT&WiFi Chip
Failure symptom:
WiFi &BT failure

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BOM Description Location
15040238 Transient Suppressing Diodes-6V-14V-10W-12A D1001,D1002,D1201,D
901,D902
15010251 Schottky Diode-30V-0.2A-0.5V-SOD523 D1301,D1302,D1401,D
905
15040031 Zener,30V,0.225W,SOT-23 D1303
14240181 BTB Connector-Fmale-24Pin-0.4mm-SMT J1001,J901
14240199 BTB Connector,Female,10Pin,0.4mm,0.9mm J902
14240246 Headphone Connector,3.5mm,6pin,Side plugging,SMT J1101
14240100 Battery Socket-3PIN-Side Contact-2.8mm-1.4mm-With Position Peg J1201
14240110 BTB Connector-Female-34pin-0.4mm-0.9mm-SMT J1301
14240155 SIM Socket-6PIN-horizontal-2.54mm-Without Clip-Without Hold
Peg-height:0.95mm J1401
14240249 MicroSD Receptacle,8pin,PUSH- Have Lock,Without Hold Peg J1402
14240004 RF Connector-Straight-Female-SMT J3201
14240060 RF Connector-Coaxial Connector-Straight-Male-SMT J3204
51621274 Main Antenna SMT Spring J4001,J4101,J4102
51622313 Shielding_frame PP1501
15060228 MOSFET,P Channel,-12V,-2.4A,0.112ohm,8V,SOT-23(Split from
15060150) Q202
07040061 Varistor-12V-99999V-5A-25V-SMT RV1201
39200074 Power Management IC of QUALCOMM MSM7200 Series
_PM7540,3.6V,BGA137(pb-free) U201
39110548 LDO,3.3V,2%,0.2A,SC70-5 U202
39200245 WCDMA/GSMDualmode BASEBAND PROCESSOR
MSM7227-1,1.2V/1.8V/2.6V,BGA560(Pb-Free) U401
39080124 Headphone Audio Power Amplifier,2.3 V to 5.5 V,differential AB
Amplifier,QFN U1101,U501
36020341 CMOS-8-D Triggering Device-SC_70-20ns-24mA-CMOS-CMOS U502
40060223 FLASH,4Gb(256Mbx16)NAND Flash+2Gb(128Mbx16)DDR
SDRAM,200MHz,64K,1.8V,-FBGA137(pb-free) U601
39110531 DCDC Control Chip,20pin,WCSP U901
23060036 Camera Module,CMOS,640*480,WLM,2.5*3.0*2.6 U1001
38140016 Semiconductor Sensor,Accelerometer & Electronic Compass
6D,LGA28(Pb-free) U1201
39110504 Voltage Regulator-0.3~46V,0.020A,TSOT-23-6(10 series LED
driver) U1303
32050031 Oscillating Motor,SMT,2.7,75A,14000rpm U1401
12070013 Temperature Compensated Crystal
Oscillator-19.2MHz-+/-2.5ppm-2.8V-+/-2.0ppm U3101
47140048 RF Switch,824~960MHz/1710~2170MHz U3202
13010186 SAW Filter-1950MHz-2.9-QCS5I U3301
47100280 Power Module,1920~1980MHz,28,3x3 QFN U3302
13080062 Duplexer TX:1920~1980MHz/R:2110~2170MHz,1.6dB(max),2.1dB(max),53d
B/44dB(min),2520 U3304

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BOM Description Location
47100277 Power Module,880~915MHz,27.5,3x3 QFN U3401
13010189 SAW Filter-897.5MHz-2.7dB-100V(MM)-SFLT5-0101 U3402
13080067 Duplexer,TX:880~915MHz/RX:925-960MHz,2.2dB,2.6dB,57dB/48
dB,2520 U3404
13010262 SAW filter,2140MHz,3.0dB,50V,1411 U3702
39200084 Terminal Dedicated IC,WCMDA/GSM Radio
Transceiver(RTR6285) U3801
47090042 GPS LNA-0.5~3GHzz-16.8dB U4001
47140049 RF switch,0.5~3.0
GHz,SP3T,0.45dB,1.22,20dB,TSON,200~260V(HBM) U4104
39200222 Single Band 2.4GHz WLAN/Bluetooth 2.1/FM Single
chip-BCM4329,2.3~5.5V,WLBGA182(Pb-free) U4201
12020125 Crystal-0.032768MHz-12.5pF X301
12020168 Crystal,37.4MHz,10+/-1pF,+/-10ppm,80ohm,SMT X4101
07040064 Varistor-8V-4V-30V-SMT-0405-ESD+EMI Noise Filter Z1101
07040072 ESD_EMI Filter-14V-30pF-800~3000MHz-ARRAY-0603 Z1401
13010180 SAW Filter-1575.42MHz-0.9dB-1.4*1.1mm Z4001,Z4002
13030038 Ceramics Filter,2450MHz,2.9dB,2.0*1.25*0.3mm Z4101
47100377 RF Power Amplifying Module,824--915MHz,1710--1910MHz U3501
03021ANY Power On FPC Board
14240200 BTB Connector,Male,10Pin,0.4mm,Mating Height 0.9mm J101
38140017 semiconducting sensor,light&Proximity sensor,QFN U101
15020161 Infrared Emitting Diode D103
03021APB Main FPC Board
14240180 BTB Connector-Male-24Pin-0.4mm-SMT J101,J102
03021ENK USB Board
15040238 Transient Suppressing Diodes-6V-14V-10W-12A D101,D102,D203
15020151 LED-90~180mcd-White 450nm-5mA-SD0704-LED D103,D104
15040264 Transient Suppressing Diodes-5.5V-15V-1A D201,D202
19040121 Fast Blowout Fuse-32V-2A-IEC Spec F201
14240199 BTB Connector,Female,10Pin,0.4mm,0.9mm J102
14240060 RF Connector-Coaxial Connector-Straight-Male-SMT J201
14240181 BTB Connector-Fmale-24Pin-0.4mm-SMT-Mating Height 1.0mm J202
51621895 Spring_Ant J204,J205,J206
14240222 IO Connector,Micro_B Type Female,5pins,Side Plugging
Type,SMT,Standard and Shell Dip Type J207
22050053 MIC--44dB.-D4.0mm*1.3 mm-SMT MIC101
39080095 Audio Power Amplifier-2.4~5.5V-Differencial-Micro SMD
9pin(Pb-FreeBGA) U101
51611135 VOL_KEY_TPU
51622312 Shielding_cover
51622215 Screw,M 1.4*3*2.5*0.5(T5)
51652322 Waterproof Label-D3.0mm-Universal
51633059 Gasket_Sensor_IC

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BOM Description Location
22030038 Receiver,32ohm,4.8*10*2.2mm,small,thin,NXP
51633123 Gasket_MIC
51632949 TFHide_Film
04050207 RF Coaxing Cable,61mm,fit 14240060,0.061m
23060051 Camera Module-CMOS-2048*1536-FF-Narrow BTB
51633134 POWER_KEY_ADHE
51633148 LCD_FPC_FILM
23040186 LCD Module,Single Display,TFT,,Without Touch Screen,BTB
22020081 Speaker,8ohm,0.25W,8*12*2.5,SpringContact
27160628 GPS Antenna,U8510-0,1570MHz-1580MHz,>0dBi
51666309 LCD_Support_Asm,U8510-1
51633258 SUB_Fix_Adhesive
27160681 Main Antenna,U8510-1,824MHz~960MHz/1710MHz~2170MHz
23070081 Touch Screen,U8510,480*320,2.8V,108*95*56.46
02450768 Data Cable,Usb A Male to Micro Usb 120cm ,Black no Braid 360
Degree Rotate Test Standard

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5 Software Upgrade
5.1 Preparation for Upgrade
Item Contents Remark
Upgrade Environment
Battery The battery level shall be no less than two bars.
Micro SD card 512M at least.
PC For copy upgrade file.
Upgrade packages
HDU8512002V100R001C00B816
(Main package)
The version is only for your information. Please
download the latest version.
Customized package Please download the location version.
Upgrade mode SD card upgrade Normal download & Force Download.
5.2 Upgrade Process
1. Format micro SD card or delete its content;
2. Create a folder and named as “dload” to the root directory of the MICRO SD card, copy the customize
package “updata.app” the dload folder;
3. Insert micro SD card，enter Dialer interface, input *#*#2846579#*#*, operate as follows:
ProjectMenu→7. Upgrade→1. SD card upgrade→Confirm

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4. Begin upgrade the main package, the handset will restart automatically.
5. Upgrade the customized package, the upgrade procedure is the same as upgrade main package.
5.3 Force Download
1. Format micro SD card or delete its content.
2. Create a folder and named as “dload”, copy “updata.app” into it.
3. Make sure your handset is power off, Insert micro SD card into the handset.
4. Pressing Volume up Key and Volume down Key, and then press Power Key to enter force
download.
5. After upgrade complete, the handset will restart automatically.

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5.4 Check the Firmware Version
To check the version
Settings -> About phone -> Build number
5.5 Error Handling
Error 1
During SD card upgrade, the key pad led flash very frequently (two flashes per second), and the
progress bar stop, that means an error occurs. Check whether there is a miss-operation. You can
change another phone or SD card to do the test.
Error 2
If you find below picture displayed in the screen of your phone, that means something wrong happened.
Check whether there is a miss-operation. You can change another phone or SD card to do the test.
Notes:
To make sure that the power of the battery is enough to run the upgrade process. Maybe you can
connect the handset with the charger or the USB data cable to provide power.

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6 Maintenance Tools
Name: Constant-temperature Hot Air Gun
Purpose: Heat component.
Name: Soldering Iron
Purpose : Repair soldering
Name: DC Power Supply
Purpose: Supply voltage and current.
Name: Soldering Station
Purpose: Fix main board.
Name: Pb-free Solder Wire
Purpose: Join component.
Name: Digital Multimeter
Purpose: Service measure
Name: Oscilloscope
Purpose: Service measure

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Name: Tool kit
Purpose : Assemble and Disassemble tool
Name: Electronic Screw Driver
Purpose : Assemble and Disassemble tool