TINNO E205 Service Manual
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TINNO E205 Service Manual

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Summary of Contents for TINNO E205

  • Page 1 Service Manual...

  • Page 2: Table Of Contents

    Introduction The purpose of this document is to help service workshop technicians to service products. This service manual must be used only by authorized service suppliers. The content of it is confidential. Please note that provides other guidance documents for service suppliers. Follow these regularly and comply with the given instructions.

  • Page 3: Chapter 1 Product Specification

    Chapter 1 Product Specification Main features and functions Dual SIM Dual Standby Single Connection FM Radio Blue tooth (talk, file transfer) Multi-Media Camera：0.3M USB 2.0 data transfer T-Flash（Support 8G T Card） 2.4“TFT QVGA MP3/3GP/MP4/AVI 82g(Handset weight：59g) Specification： Network: GSM/GPRS 900/1800 or 850/1900MHz Display: 2.4“TFT QVGA Blue tooth：Support: V1.2, Don’t Support: Stereo Music (for both SIMs) Radio：FM radio FM Record to T-Flash...

  • Page 4: Chapter 2 Explosive View

    Chapter 2 Explosive View A Shell Lens Keypad DOME Receiver PCBA Speaker Vibrator Camera Antenna B Shell Battery Cover...

  • Page 5: Chapter 3 Tools

    Chapter 3 Tools Electric Iron（Figure 1） Hot Air Gun（Figure 2） Voltage Regulator（Figure 3） Multi-meter（Figure 4） Solder wire, soldering paste(Figure5) Screw Tweezers Driver DL Cable Wrist grounding strap Antistatic Pick gloves PC, Data Cable(Downloading)（Figure 6） Others（Figure 7）...

  • Page 6: Chapter 4 Guidance Of Disassembly/Assembly

    Chapter 4 Guidance of Disassembly/Assembly 4.1 Disassembly Remove the battery cover. Unscrew the six screws. Remove the back cover by using pick. Remove the front cover. Stick the protection film onto LCD. Stick protection film onto lens.
  • Page 7 Take out PCBA (using Tweesers) . Unmount LCD module. Remove the LCD (Using Electric Iron). Remove the speaker (Using Electric Iron). Remove the ESD film. Remove the camera(Using Electric Iron). Disassembly completed.
  • Page 8 4.2 Assembly Solder the camera. Paste the ESD film. Install the antenna. Solder the Speaker. Remove LCD protection film. Mount the PCBA onto back cover.
  • Page 9 Remove the protection film. Mount the front cover. Tighten the screws. Install the battery cover. Assembly completed.

  • Page 10: Chapter 5 Pictures Of Pcba

    Chapter 5 Pictures of PCBA 5.1 Pictures 5.1.1 Instruction & location of main components on side A. Display interface Keypad input interface. 5.1.2 Instruction & location of main components on side B. J301 J502 SIM U502 PA J201 battery TFLASH Jack RF7170 connector...
  • Page 11 5.2 Layout 5.2.1 Layout of side A 5.2.2 Layout of side B...

  • Page 12: Chapter 6 System Block Diagram

    Chapter 6 System block diagram...

  • Page 13: Chapter 7 Circuit Diagram For Each Unit

    Chapter 7 Circuit diagram for each unit 7.1 CPU & Baseband JAVA Audio processing Control CAMERA 数 据 传 输 控 Data transferring 制端 control Keypad interface 数 据 传 输 控 Data transferring 数 据 传 输 接 制端 Data transferring control 口电路...
  • Page 14 7.2 Keypad input interface 7.3 32.768 KHz clock crystal circuit Clock Signal I/O 32.768 KHz clock crystal...
  • Page 15 7.4 Data line of CPU and Flash 7.5 Output of SIM SIM 2 Clock SIM 2 Data SIM 1 Clock SIM 2 Reset SIM 1 Data SIM 1 Reset...
  • Page 16 7.6 Power output of MT6252 (CPU) item voltage current Vcore 1.2v 200ma 2.8v 100ma Vadd 2.8v 150ma Vtcxo 2.8v 20ma Vrtc 1.2v 200ma Vmem 2.8v 150ma Vsim 2.8v 20ma 2.8v 200ma 1.8v 150ma 7.7 Battery connector 电池正极 Positive Voltage 电压输入 Supply Charging Temperature Detector...
  • Page 17 7.8 Bluetooth Brief Introduction of Bluetooth: Bluetooth technology, a short distance wireless communication technology, can simplify the communication between palmtop computers, notebook computers and mobile phones, can also simplify the communication between these equipments and the Internet. The data transfer between modern communication equipments and the Internet can be faster and more efficient and the application of the wireless communication is accelerated.
  • Page 18 7.10 I/O Interface Charging Firmware Voltage Input Downloading Data Transfer 7.11 Power Amplifier Frequency Band Selection Power Supply Antenna RF Signal Input RF7170 Receive Signal Output...

  • Page 19: Chapter 8 Troubleshooting Guide

    7.12 FM Radio Modules The AR1216 processes the FM broadcasting signal that received from antenna (FM/ANT) ,produces and sends audio signals (FM-INL, FM-INMR) to the audio process module of CPU for decoding, where the electrical signals of audio are made. 2.7V Power Supply Audio output Antenna...
  • Page 20 Chapter 8 Troubleshooting Guide 8.1 Cannot Download Firmware Cannot download Check software Can power configuration, cable, power supply, software, Change or reconfigur e Check if I/O connector Replace or is false weld or Re-solder I/O damaged. connector Plug the cable and check if Unplug the cable and check if the current is high(normally the chipset is overheated.
  • Page 21 8.2 SIM cannot be recognized SIM is not recognizable Clean or change SIM Are SIM slot. contacts broken? Problem Solved Change SIM Is SIM invalid? Use power regulator CPU MT6252 is possibly false to test if the current soldered or damaged. is normal.
  • Page 22 8.3 Cannot Power On Cannot Power On Re-solder or change Check battery J201 Contacts J201 Try to power on when Change battery Problem Solved connect to the power regulator Check if the current is around 30～40MA Firmware upgrading MT6252 is broken Change U101 MT6252...
  • Page 23 8.4 Receiver No Sound. Receiver no sound Check hand free mode Check LS402 (Speaker) is ok broken. Clean or Re-solder Check if the receiver Change LS402 is broken. receiver Test receiver by using Change receiver. power supply, if there is sound of scratching.
  • Page 24 8.5 No Incoming Ring No incoming ring *#84666*#, Option7, Remove receiver and test test ringtone with power supply to see if there is sound. Check if handset is Cancel mute. Change speaker set to mute. Check if the volume is Turn up the volume set to lowest level.
  • Page 25 8.6 Display Problem Display problem Check if the LCD is broken liquid leaked. Check Clean or Re-solder contacts. J705 contacts Change LCD Problem solved Check if the pin13 of Firmware upgrading J705 has signal and the connector is normal. Change or re-solder U101 MT6252...

  • Page 26: Chapter 9 Firmware Upgrading Guide

    Chapter 9 Firmware Upgrading Guide 9.1 Firmware Upgrading 9.1.1 Install USB driver The maximum downloading speed can be up to 921600bit/s when using USB-Serial cable. The driver needs to be installed before using the USB cable. Please keep the USB cable unplugged when installing the driver. Plug the USB cable when installing is completed.
  • Page 27 9.1.4 Select “Options”-“Format FAT (DISABLED)…” and please do NOT select “validation”. 9.1.5 Please select “Do Not Format FAT”.
  • Page 28 9.1.6 Click “Download Agent” and select “MTK-ALLInOne.bin” Double click 9.1.7 Click “Scatter-loading” and select “scatX11-23.txt” file. Double click.
  • Page 29 Double click 9.1.8. Click “ROM” and select “X11-23_PCB00_gprs_MT6226_S01. Bin” file. Note: Please use the latest version. Double Click...
  • Page 30 9.1.9 Power off the handset, remove the battery, click “Download”, and connect the cable with handset, then insert the battery, press the power on button, the red and blue progress bar shall appear. 9.1.10 Downloading is in process.
  • Page 31 9.1.11 Downloading is completed. 9.2 IMEI Writing Guide How to use IMEI_Writer to write IMEI General The IMEI_Writer software should be used in a Windows XP operation system. The pictures in this document help to understanding, and thy may not be exactly the same as showed in your computer. 9.1 write IMEI to the slave phone of MGSM 41B phone to give an example.
  • Page 32 For the first time you run IMEI_Writer in the computer, figure 1-2 occurs. Choose the right database file for the slave phone of MGSM 41B phone referring to figure 1-3. Figure 1-2 Figure 1-3 Input the IMEI of the slave phone referring to figure 1-4, click “Restart”, after 3 seconds plug the slave phone cable connector to the phone and power on the phone.
  • Page 33 9.1.3 After several seconds, figure 1-5 occurs to show the slave phone is written to the phone successfully.. Showing writing IMEI successfully Figure 1-5 9.2 write the IMEI of the master phone. If necessary, you can also use IMEI_Writer to write IMEI to the master phone conveniently. 2.1 Change the database file to be for the master phone, referring figure 1-4.

  • Page 34: Chapter 10 Cit Testing

    Chapter 10 CIT Testing Input “*#84666*#” when in the standby mode 1、Version: Confirm the firmware version. 3、Echo Loop: Receiver shall produce sound when blowing over the mic. 4、Keypad: Press every button on the handset until the screen is clear. 5、Vibrator：Press “start” then the vibration shall start. 6、Lond SPK: Press “start”...

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