Huawei Y511-U030 Repair Manual
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Huawei Y511-U030 Repair Manual

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uyongSpecial note: for the template content, if not for the product, please
delete, so as to avoid misleading.
Chinese version of repair manuals, all use Times New Roman font,
English version repair manual font all use Arial fonts. Document of the
second chapter and the sixth chapter is the fixed content, without any
modification.
Artificial ：
Review ：
Approval.：
Transient suppression diode 2
XXXX Repair Manual
华为技术有限公司
Huawei Technologies Co.， Ltd.
版权所有 侵权必究
All rights reserved
V1.0
Date：
Date：
Date：

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Summary of Contents for Huawei Y511-U030

  • Page 1 English version repair manual font all use Arial fonts. Document of the second chapter and the sixth chapter is the fixed content, without any modification. XXXX Repair Manual V1.0 Artificial ： Date： Review ： Date： Approval.： Date： Transient suppression diode 2 华为技术有限公司 Huawei Technologies Co.， Ltd. 版权所有 侵权必究 All rights reserved...
  • Page 2 XXXX The basic version Repair Manual V1.0 internal public Revision record Revision Date Release version Revision cause Modify chapter Author description 华为机密，未经许可不得扩散 第 2 页，共 79 页 2013-09-25...

  • Page 3: Table Of Contents

    9.4.8 I ................................73 NTERFACE 9.4.9 SD C NTERFACE ..............................74 9.4.10 CAM ..................................75 9.4.11 BT/WIFI/FM/GPS F ..........................78 AILURE 9.4.12 O ............................. 79 THER COMMON AILURE 第 3 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 4: Chapter 1 Product Profile

    Item description. Phone Size 132.8*67.4*10.5 Phone weight; About 160g (Including battery) 第 4 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 5 GSM 900MHz： upgoing;880MHz～915 MHz； down 925MHz～960MHz Work Frequency Band GSM 1800MHz：upgoing;1710MHz～1785MHz；down 1805MHz～ 1880MHz Maximum Transmit Power GSM900:890-915MHz;GSM1800:1710-1785MHz WCDMA: 1940 –1955 MHz GSM900:935-960MHz；GSM1800:1805-1880MHz； WCDMA: 2130 – Receiving Sensitivity 2145 MHz 第 5 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 6: Chapter 2 Repair Instructions

    Chapter 2 Repair Instructions 1.3 Documentation This document is used to guide the Huawei Company authorized outlets repair technicians to repair service for Huawei Company products. This service manual only provides the Huawei Company has authorized repair service outlets and the company use, and the contents of the confidential information.

  • Page 7: Chapter 3 Phone Explosion

    Huawei material Single description number dose S98511A1 CTP S98511A1 Light guide film S98511A1 LCM S98511A1 CTP Foam tape front cover assembly S98511A1 第 7 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 8 S98511A1 GPS/WIFI antenna S98511A1 1020 Motor S98511A1 2014 Speaker S98511A1 side key FPC assembly S98511A1 back CAM S98511A1 front CAM S98511A1 Proximity sensor 1506 receiver Waterproof label 第 8 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 9: Chapter 4 Pcba Component Location Diagram

    "; the picture frame drawing canvas". 3.The picture on the label and instructions corresponding to the characters must be editable. 第 9 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 10 No signal, weak signal, no registration This list is for reference only, subject to change without notice, please obtain the latest information from the relevant system Huawei company. If you have any questions, please contact the local technical support. 描述...

  • Page 11: Chapter 5 Sw Upgrade

    Normal upgrade “FPQPML01” Force to upgrade Upgrade Method Normal upgrade SD card Force to upgrade 5.2 Upgrade hardware connection 便携机 1 USB Cable Y511 Product 第 11 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 12: Usb Driver Installation

    PC terminal, PC terminal will pop up later driver installation tips, operation process diagram as follows： "No, no (T)" option, click Next to install it. The following chart 第 12 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 13 Select "search for the best driver" option in these locations, select "include this location in the search", click "Browse" button to select the driver file SP_Drivers_v1.5, click next to continue installation. 第 13 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 14 Click "finish" button, to complete the installation. After the installation is completed in the computer device manager will appear in the corresponding COM port, as shown below: 第 14 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 15: Upgrade Process

    5.4.2 Configure flashtool download tool Under the Options USB Mode download mode, the configuration of Speed in DA Download All to High Speed Force. The following diagram 第 15 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 16 Click the Scatter-loading button (figure a red box shown in the corresponding button), path selection, you need to download the software package of scatter file file (the words scatter.Txt file), open (as shown in Fig. two): Fig 1 第 16 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 17 To download the package related documents of all after the OK implementation, the interface is shown below: 5.4.3 Software upgrade of USB (for Y511) Click the Firmware->Upgrade button to start the download, display interface: 第 17 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 18 Fig 3 Fig 4 3) Upgrade is complete, when the download progress display interface 100%, Green box OK means the upgrade was completed successfully. The following chart:: 第 18 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 19 Firmware Upgrade button if the file is not all check will prompt and can not download, therefore directly using the Firmware Upgrade button, avoid downloading when selected file cause some be rather baffling problem. 第 19 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 20: Sd Upgrade

    - > memory card to upgrade - > (warning interface) to determine the - > OK, started off into the automatic upgrade, boot automatically after the completion of upgrading. The whole process as shown below 第 20 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 21 SD card upgrade path for "SD card root directory \dload\update.zip" The off state power + volume + volume down button until the screen to enter the following interface charge 第 21 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 22 XXXX The basic version Repair Manual V1.0 internal public Press the volume up and down keys to move the cursor to the apply update from external sdcard 第 22 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 23 XXXX The basic version Repair Manual V1.0 internal public  Press the power key to enter the upgrade interface upgrade, boot automatically after the completion of upgrading 第 23 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 24: Exception Handling

    4． 1. Whether the update file is correct 5． 2. Whether upgrading method is correct; SD card upgrade failed 6． 3. Whether SD card can be used normally; 7． 4. Try to upgrade again. 第 24 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 25: Chapter 6 Service Tool

    Use: repair welding Name: DC power supply Purpose: to provide current Name: Soldering Station Application: fixed board Name: lead-free solder wire Use: Welding Name: Digital Multimeter Use: repair measure 第 25 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 26 XXXX The basic version Repair Manual V1.0 internal public Name: Kit Use: remove, terminal products Name: electric screwdriver Use: disassembling screw 第 26 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 27: Chapter 7 Disassemble Step

    1. remove the battery cover 2. 9 screws using a screwdriver to unscrew the rear casing. 3. Between the shell opener loose shell and the front shell buckling. 4.remove back shell. 第 27 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 28 6. Loosen LCD FPC、TP FPC、volume keys. 5. remove two pice mylar 8. Remove 2 screws. 7. remove PCBA 9. Remove antenna 10. Remove front CAM 。 第 28 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 29 12. remover volume key FPC，Motor，Speaker 11.Remove Main CAM. welding 13. Remove MIC welding。 14. Remover receiver adhesive tape 15. Remove receiver ，rubber sleeve 16. Remover TP 第 29 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 30: Chapter 8 Install Step

    4. TP put in front shell. 3. LCD put in front shell. 5. Receiver，rubber sleeve put in front shell. 6. Stick adhesive tape on the receiver. 第 30 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 31 V1.0 internal public 7. Welding MIC. 8. Welding volume key FPC，SPK，Motor. 9. Install main CAM. 10. Install front CAM. Lock 2 screws fixed antenna 11. Install antenna。 第 31 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 32 13. Install PCBA 14. Fixed volume key FPC。 16. Install TP FPC,LCD FPC。 15. Stick two pice mylar 17. Install back shell 。 18. Lock 9 screws 第 32 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...
  • Page 33 XXXX The basic version Repair Manual V1.0 internal public 20. Install battery cover。 19. Install lens 第 33 页，共 79 页 Huawei confidential, not to spread without permission 2013-09-25...

  • Page 34: Chapter 9 Principle And Fault Analysis

    XXXX The basic version Repair Manual V1.0 internal public Chapter 9 Principle and fault analysis In accordance with the following instructions before operation repair, to ensure that the product is not environmental factors and functional factors. Factory set up again. 9.1 Principle Diagram and Introduction.
  • Page 35 XXXX The basic version Repair Manual V1.0 internal public PCBA includes MT6572, EMMC+DDR2, PMU, RF transceiver, RF switch and power amplifier, WIFI+GPS+BT+FM four in one device, photosensitive + distance sensor, gravity sensor.G511-U00 products such as screen resolution of FWVGA, dot number 480*854, support Micro USB interface, support for high speed transmission, support 3.5mm earphone interface.

  • Page 36: Baseband

    XXXX The basic version Repair Manual V1.0 internal public 9.2 Baseband 9.2.1 Power Management Circuit  Circuit Principle Diagram: 华为机密，未经许可不得扩散 第 36 页，共 79 页 2013-09-25...
  • Page 37 XXXX The basic version Repair Manual V1.0 internal public In the off state, there are four events can trigger the boot: press the start button, HF_PWR set high, insert the charger And RTC alarm. The trigger event electrical schematic diagram of key is pressed on the: 华为机密，未经许可不得扩散...
  • Page 38 XXXX The basic version Repair Manual V1.0 internal public Here to press the power button as an example to illustrate the boot process: Press the power button, the KEYON input is high, the PMU according to the state power on the boot process.
  • Page 39 XXXX The basic version Repair Manual V1.0 internal public Abnormal shutdown refers to the battery voltage is too low, the chip temperature is too high, DCDC1 or LDOD1 under the pressure caused by the shutdown. Abnormal shutdown is automatically completed by the chip. Each boot, the software can read register SHDN_STATUS to view the cause of the last shutdown.
  • Page 40 XXXX The basic version Repair Manual V1.0 internal public 二. Phone does not boot repair analysis Press the power button does not boot: First, remove the battery, power supply directly to the mobile phone with an external DC power supply, press the power key according to the changes in the current mobile phone, specific analysis: Current does not change, it is likely that the boot key failure, should check the power button contact is good.
  • Page 41 XXXX The basic version Repair Manual V1.0 internal public Boot failure using external power to supply PCBA, observe the change of the current Current is too Current basic Current large small, about normal, about hundreds of mA 10mA 20mA Inspection of all VBAT related circuit device, Check the 26MHz...

  • Page 42: Charging Management Circuit

    XXXX The basic version Repair Manual V1.0 internal public 9.2.2 Charging Management Circuit  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 42 页，共 79 页 2013-09-25...
  • Page 43 XXXX The basic version Repair Manual V1.0 internal public  Fault analysis and treatment process: Fault phenomenon: fault mobile phone cannot charge usually have two types: one is connected to the mobile phone charger, mobile phone no response; another is a mobile phone while charging display, but not to charge the battery.

  • Page 44: Clock Circuit

    XXXX The basic version Repair Manual V1.0 internal public 9.2.3 Clock Circuit  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 44 页，共 79 页 2013-09-25...
  • Page 45 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: Baseband chip master clock has a 26M TCXO, in the normal work of the system, provide the basic frequency for BBIC and TRANSEIVER; sleep clock from a clock clock (32.768Hz) circuit, a RTC circuit in the system clock source, a dormant or shutdown state, to keep the system time or timing function, to reduce the system power consumption.

  • Page 46: Flash Circuit

    XXXX The basic version Repair Manual V1.0 internal public 9.2.4 Flash Circuit  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 46 页，共 79 页 2013-09-25...
  • Page 47 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: Y511-U00 uses the eMMC+DDR flash structure, the flash capacity of 4GB eMMC+512MB DDR2, if the flash circuit is adverse, there will be not be able to boot failure. ...

  • Page 48: Rf Unit

    XXXX The basic version Repair Manual V1.0 internal public 9.3 RF Unit  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 48 页，共 79 页 2013-09-25...
  • Page 49 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: Transceiver uses the MTK MT6166 VFBGA104; 0.4pitch; 4.7*4.7*0.9mm package. The basic block diagram is shown as follows: 华为机密，未经许可不得扩散 第 49 页，共 79 页 2013-09-25...
  • Page 50 XXXX The basic version Repair Manual V1.0 internal public GSM RF PA using Skyworks chip: SKY77590, an integrated RF antenna switch, amplifier, filter circuit and so on. 6.6*6*0.85mm, chip block diagram is shown as follows: WCDMA RF PA uses the SKY77761 and SKY77768 of Skyworks company, the chip block diagram as follows: 华为机密，未经许可不得扩散...
  • Page 51 XXXX The basic version Repair Manual V1.0 internal public SKY77761 Principle Diagram SKY77768 Principle Diagram 华为机密，未经许可不得扩散 第 51 页，共 79 页 2013-09-25...
  • Page 52 XXXX The basic version Repair Manual V1.0 internal public Pad definition SKY77761 华为机密，未经许可不得扩散 第 52 页，共 79 页 2013-09-25...
  • Page 53 XXXX The basic version Repair Manual V1.0 internal public Pad definition SKY77768 The vibration of the external crystal using high precision TCXO, nominal frequency is 26MHz, the precision is ± 2.0ppm. 华为机密，未经许可不得扩散 第 53 页，共 79 页 2013-09-25...

  • Page 54: Reception Channel

    XXXX The basic version Repair Manual V1.0 internal public 9.3.1 Reception Channel  Circuit Principle Diagram  Circuit analysis: The receiving part of the circuit includes an antenna switch (integrated in the RF power amplifier inside) U1, U616, U607, transceiver chip (U600) MT6166, matching circuit. The SKY77590 control logic: 华为机密，未经许可不得扩散...
  • Page 55 XXXX The basic version Repair Manual V1.0 internal public Following chart repair process: 华为机密，未经许可不得扩散 第 55 页，共 79 页 2013-09-25...
  • Page 56 XXXX The basic version Repair Manual V1.0 internal public Insert a valid SIM card after the boot does not open the Internet Check the antenna contact Finishing cleaning and the PCBA antenna feed antenna, PCBA antenna feed point point contact is good Signal display, check No signal display, check the main transmission...

  • Page 57: Transmitting Channel

    XXXX The basic version Repair Manual V1.0 internal public 9.3.2 Transmitting channel  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 57 页，共 79 页 2013-09-25...
  • Page 58 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: The transmitting circuit is composed of chip (U600) MT6166, RF power amplifier (U1, U703, U708), filter circuit (U616, U607) antenna and matching network circuit. Working mode control signal GPCTRL0, GPCTRL1, GPCTRL2, RF_RAMP control of the RF power amplifier from baseband chip.
  • Page 59 XXXX The basic version Repair Manual V1.0 internal public Insert a valid SIM card after the boot does not open the Internet Check the antenna contact Finishing cleaning and the PCBA antenna feed antenna, PCBA antenna feed point point contact is good Signal display, check No signal display, check the main transmission...

  • Page 60: External Circuit

    XXXX The basic version Repair Manual V1.0 internal public 9.4 External Circuit 9.4.1 Display  Circuit Principle Diagram  Circuit analysis: LCD with 4.5 inch FWVGA TFT color screen, using the ZIF connector, LCD digital interface data line and read, write, chip selection, reduction, data / command control signal line, the digital interface of LCD is driven by a baseband chip LC1811 LCD controller module (with EMI suppression filter), the LCD power supply is provided by power chip LC1100, interface voltage is provided by power chip LC1100.
  • Page 61 XXXX The basic version Repair Manual V1.0 internal public paste help and dirt; final inspection path CPU backlight output port and the LCD terminal, and peripheral devices work is normal. Re welding, or replace the related devices; Repair process: 华为机密，未经许可不得扩散 第...
  • Page 62 XXXX The basic version Repair Manual V1.0 internal public Lcd display black , white ,blurred Check the EMI device welding is Re welding of EMI devices good Check the LCD connector Remove and re welding LCD welding is good connector Check LCD and connector Replace the LCD or re welding contact is good...

  • Page 63: Keypad

    XXXX The basic version Repair Manual V1.0 internal public 9.4.2 Keypad  Circuit Principle Diagram  Circuit analysis: Y511-U00 has a power button, button under the volume, 3 physical buttons. The remaining three for the virtual keys. The power button please start circuit reference before. ...

  • Page 64: Vibration

    XXXX The basic version Repair Manual V1.0 internal public 9.4.3 Vibration  Circuit Principle Diagram  Circuit analysis: Y511-U00 adopts the welding type vibration motor, working voltage 2.5V, current 70mA. Direct motor is controlled by the power chip.  Fault analysis and treatment process: 1.

  • Page 65: Receiver

    XXXX The basic version Repair Manual V1.0 internal public 9.4.4 Receiver  Circuit Principle Diagram  Circuit analysis: If the circuit is the direct power supply chip circuit output, external 32 ohm headphones.  Fault analysis and treatment process: First confirm the receiver itself is good, can replace the test, receiver uses the shrapnel crimping, confirm the good and PCBA pressure, the contact point should be clean, no dirt;...
  • Page 66 XXXX The basic version Repair Manual V1.0 internal public No sound Check whether the normal Check the receiver and PCBA operating current contact is good The receiver circuit device Re welding or replace the bad without break or weld device Check the power supply chip, Connectivity check each signal replace or re welding...

  • Page 67: Mic

    XXXX The basic version Repair Manual V1.0 internal public 9.4.5 Mic  Circuit Principle Diagram  Circuit analysis: A circuit connected with the outside of a microphone, when in normal work, power supply chip provides a bias voltage to the microphone, the microphone to pickup, signal through a coupling capacitor into the power chip.
  • Page 68 XXXX The basic version Repair Manual V1.0 internal public MIC no sound Check whether the normal Check MIC welding has no short operating current circuit MIC circuit device without To replace or re welding of MIC break or weld Check U301, replaced or re Connectivity check each signal welding Check the MIC circuit device...

  • Page 69: Earphone

    XXXX The basic version Repair Manual V1.0 internal public 9.4.6 Earphone  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 69 页，共 79 页 2013-09-25...

  • Page 70: Sim Card

    XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: Y511- uses 3.5 standard hole headphones, a total of MIC headset, headphone left channel Headphone Earphone, right, GND signal. Identify the headset is identified by the EAR_DET signal ...
  • Page 71 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: The SIM card circuit, external SIM card is directly connected to the main chip, including SIM card data line, clock, reset line, power line  Fault analysis and treatment process: The boot can not find the SIM card, the card good structure, contact should be clean and elastic line device, if short circuit, voltage is normal (Note: not in the inserted SIM card only moment in the boot can be measured about 2.8V VSIM, multimeter some deviation, need to use...
  • Page 72 XXXX The basic version Repair Manual V1.0 internal public After Insert the SIM card the boot does not recognize Check whether the normal Check the related devices have no operating current short circuit Check SIM card of each contact To replace or re welding of SIM has no elasticity or weld card seat Check PMU processing the fault...

  • Page 73: Interface

    XXXX The basic version Repair Manual V1.0 internal public 9.4.8 Interface  Circuit Principle Diagram  Circuit analysis: IO connector using the 5PIN Micro-USB connector, mainly involving the functions including USB download, USB data transmission. USB data transmission with a standard definition of USB ...

  • Page 74: Sd Card Interface

    XXXX The basic version Repair Manual V1.0 internal public 9.4.9 SD Card Interface  Circuit Principle Diagram  Circuit analysis: T card connector is connected directly to the main chip, including memory data signal, CMD signal, GND signal power in good faith, ...

  • Page 75: Cam

    XXXX The basic version Repair Manual V1.0 internal public 9.4.10 CAM  Circuit Principle Diagram 华为机密，未经许可不得扩散 第 75 页，共 79 页 2013-09-25...
  • Page 76 XXXX The basic version Repair Manual V1.0 internal public  Circuit analysis: Y511-U00 supports 300W camera and 30W camera, MT6572 through the data signal and the synchronization signal and the module of communication  Fault analysis and treatment process: The camera if the fault cannot be opened when the first investigation, power supply and VCAMD, MCLK;...
  • Page 77 XXXX The basic version Repair Manual V1.0 internal public camera is not open Into the engineering Check whether the normal model, can read ID camera Replace LDO power supply. inversion Check the VCAMD measure the relationship signal SDA, SCL are normal. between BBIC and camera Replace BBIC Check the main clock MCLK...

  • Page 78: Bt/Wifi/Fm/Gps Failure

    XXXX The basic version Repair Manual V1.0 internal public 9.4.11 BT/WIFI/FM/GPS Failure Y511-U00 is using BT/WIFI/FM/GPS four in one chip MT6627, the above four functions from a chip, so there are three functional abnormalities, first investigation is MT6627 working properly. ...

  • Page 79: Other Common Failure

    XXXX The basic version Repair Manual V1.0 internal public Internal block diagram MT6627  Fault analysis and treatment process: 1、Check whether the normal work of the 26M clock, clock signal waveform such as sine signal baseband 26M. 2、if the clock and power supply are normal, can check whether the normal work of the RF channel, from the antenna terminal has been the investigation to the chip end, measuring the conductivity.

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