FLY E195 Service Menu
  1. Manuals
  2. Brands
  3. FLY Manuals
  4. Cell Phone
  5. E195
  6. Service menu

FLY E195 Service Menu

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
1  
OVERVIEW E195..........................................................................................................................1  
1.1  
1.2  
2  
RF ....................................................................................................................................................5  
2.1  
2.2  
................................................................................................................................5  
2.3  
...................................................................................................................................6  
2.4  
3  
BASEBAND..................................................................................................................................18  
3.1  
3.2  
.....................................................................................................................................18  
3.3  
3.4  
3.5  
3.6  
3.7  
4  
REFERENCE FOR MAINTENANCE ......................................................................................29  
4.1  
.............................................................................................................................29  
4.2  
4.3  
4.4  
4.5  
4.6  
E195 Service Menu
Version number: V1.0
Contents
.................................................................................................................1  
..........................................................................................................................5  
....................................................................................................7  
...........................................................................................................18  
................................................................................................................18  
.....................................................................................................21  
..........................................................................................................................24  
......................................................................................24  
" ...............................................................................................29  
"
........................................................................................................................29  
....................................................................................................................29  
.....................................................................................................29  
/
....................................................................3  
.........................................................................24  
...............................................................................29  

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the E195 and is the answer not in the manual?

Questions and answers

Related Manuals for FLY E195

Summary of Contents for FLY E195

  • Page 1: Table Of Contents

    E195 Service Menu Version number: V1.0 Contents 1   OVERVIEW E195..........................1   1.1   .........................1   E195 P BOUT HONE 1.2   ..............3   ISTRIBUTION OF THE MAINBOARD COMPONENTS 2   RF ..............................5   2.1   ..........................5   RF O VERVIEW 2.2  ...

  • Page 2: Overview E195

    1 Overview E195 1.1 About E195 Phone E195 mainboard is based on the MSTAR platform, which is supporting GSM/GPRS： 900/1800/850/1900MHz GPRS three-frequency communication. It is Dual SIM – Dual Standby Single the mobile phone. The phone has the following feature: 1, Three specialties: 3.5 HVGA (resolution 320 * 480) LCM, 5M camera, ultrathin 10.9 MM...
  • Page 3 E195 Service Menu...

  • Page 4: Distribution Of The Mainboard Components

    E195 Service Menu 1.2 Distribution of the mainboard components...
  • Page 5 E195 Service Menu...

  • Page 6: Rf Overview

    E195 Service Menu 2 RF 2.1 RF Overview RF part mainly consists of transceiver AERO4210HN (adopts program of near-zero IF receiver, supporting the EGSM / DCS and 26M VCTCXO as the clock input, integrated clock buffer, LO VCO and TX VCO and regulator, only need for external connections of VBAT / AVDD.

  • Page 7: Receive

    E195 Service Menu Transceiver RF 发射输出 RF Launch output Host RF Launch Principle Diagram 2.3 Receive Accessed from the antenna, GSM signal arrives at AERO4210HNN through the front end SAW filter; and it converts to I/Q signal which modulated in 100 KHZ carrier. Then, it goes through the band-pass, getting amplification (gain controllable), filtering, amplifier (gain controlled);...

  • Page 8: Common Rf Malfunction

    E195 Service Menu 2.4 Common RF Malfunction 2.4.1 Detection and Maintenance Flow Chart of MS Transmit malfunction (No transmit) Connect PC and cell phone with maintenance of line, use the Repair software making mobile phone access to transmit state. Check IQ signal input...
  • Page 9 E195 Service Menu IQ signal waveforms of transceiver in transmit state: 3.10 I/Q RF interface spectrum analyzer is as follows: GSM transmit signal...
  • Page 10 E195 Service Menu DCS transmit signal PA-EN waveforms of PA in transmit state： PA-EN...
  • Page 11 E195 Service Menu PA. BAND-SW waveforms： PA.BAND-SW （GSM） PA.BAND-SW （DCS）...
  • Page 12 E195 Service Menu PA Vramp waveforms： Vramp (pcl5) Vramp (pcl 19)
  • Page 13 E195 Service Menu 2.4.3 Detection and Maintenance Flow Chart of MS Receive malfunction No Receive Open Repair Software to connect PC with mobile phone, make the phone access to receiving state, adjust signal generator to corresponding CH, and connect the signal line to phone’s RX_SW.
  • Page 14 E195 Service Menu Check Transceiver input pin, whether there is any corresponding CH input signal (Y: Check whether Transceiver has correctly controlled the signal → Check whether the voltage supply is normal → if normal, Transceiver can be judged of damaged / N: Check PA and the paths ahead ).
  • Page 15 E195 Service Menu DCS CH 698 channel receives the signal IQ signal output pin of Transceiver the state of receiving IQ signal: Test should have 2.8v voltage. The signal Transceiver received from CPU used to access the internal register of Transceiver. The corresponding waveform is as follows:...
  • Page 16 E195 Service Menu 3W（SDATA） 3W（SCLK）...
  • Page 17 E195 Service Menu 3W（SCLK） 26M clock (can be measured by using the AC Coupling) The RFCRTLCLK (automatic frequency control) from CPU to the crystal oscillator makes 26M crystal oscillator output accurate 26MHZ to Transceiver. 26M outputs to CPU Crystal oscillator 26M input...
  • Page 18 E195 Service Menu VAFC TCXO output（26MHZ）...

  • Page 19: Baseband

    E195 Service Menu 3 Baseband 3.1 Baseband Overview E195 Baseband mainly consists of CPUMSW8533N. MSW8533N baseband, the core device of the mainboard, is responsible for the normal work among various parts of mainboard, such as voice processing, image processing and MS communications.
  • Page 20 E195 Service Menu 3.3.2 MIC loop Check basic bias voltage signal of MICBIASP and MICBIASN and the language signal of MIC itself when the MIC is good but no response of LOOP MIC in test.
  • Page 21 E195 Service Menu 3.3.3 Earphone loop Earphone loop includes headset speaker and MIC two-road signal. Check the circuit access situation when there is something abnormal (such as: no sound in headset speaker, MIC invalid, etc.) after inserting the earphone while the headset accessories are...

  • Page 22: Bluetooth Wifi Circuit

    E195 Service Menu Bluetooth WIFI circuit This phone hardware design, is compatible with two bluetooth project, 1: Through the WIFI + BT two-in-one chip, put WIFI and Bluetooth together to deal with. 2: Use Bluetooth chip alone, only keep BT function.
  • Page 23 E195 Service Menu b/WIFI/BT receiving circuit c/WIFI launch part d/WIFI + BT chip...
  • Page 24 E195 Service Menu Bluetooth RF output clock input antenna difference single antenna input power part Power Bluetooth clock Bluetooth control Bluetooth Chip control Selection single Bluetooth data e/single Bbluetooth chip circuits...

  • Page 25: Dual Sim - Dual Standby Single Phone

    E195 Service Menu 3.5 Dual SIM – Dual Standby Single Phone Dual SIM – Dual standby single phone is based on the GSM agreement, in standby mode, communicate between mobile phones and base station with shaking hands. Because this communication has the time gap, so we can switch two SIM to shake hands and performs a set of system of double user SIM standby effect through the high speed.
  • Page 26 E195 Service Menu Not download Eliminate any reasons Check whether it is the problems of for not download allocation of procedure, download cable, except the cell phone. power supply, software, PC phone. Check whether the 8pin Check whether the serial port of PC and...
  • Page 27 E195 Service Menu 3.7.3 LCM circuit analysis LCD control signal LCD data signal The signal waveform Chip select signals CS:...
  • Page 28 E195 Service Menu Screen reset signal LRST: Screen Write signal LWR:...
  • Page 29 E195 Service Menu About the screen, first find the problem whether is mainboard or screen by adopting replacement method, then focus on checking the LCM-CON welding.

  • Page 30: Reference For Maintenance

    DSP components whether it is of short circuit. 4.4 Sound trouble E195 audio processes in internal CPU, focus on checking the Audio-PA on the issue of free or miscellaneous ring tones. Low ring for checking its solder joints (very small, and easy to cause problems during SMT).

Table of Contents