Ares DB2051P Service Manual
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Ares DB2051P Service Manual

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Ares Communications Technology . , INC
2051P Service manual 1~3 V3.0- .doc
Service Manual
Level1~3
COPYRIGHT, ARES INC, THIS NOTICE DOES NOT IMPLY
PUBLICATION." ARES CONFIDENTIAL PROPRIETARY." THIS DRAWING
ON THIS PRINT AND INFORMATION THEREWITH ARE
PROPRIETARYTO ARES INC., AND SHALL NOT BE USED OR DISCUSSED
IN WHOLE OR IN PART WITHOUT ARES'S CONSENT."
DB-2051P Service Manual
Confidential Document
2004/12/17
Page 1 of 90

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  • Page 1 COPYRIGHT, ARES INC, THIS NOTICE DOES NOT IMPLY PUBLICATION." ARES CONFIDENTIAL PROPRIETARY." THIS DRAWING ON THIS PRINT AND INFORMATION THEREWITH ARE PROPRIETARYTO ARES INC., AND SHALL NOT BE USED OR DISCUSSED IN WHOLE OR IN PART WITHOUT ARES'S CONSENT." DB-2051P Service Manual...
  • Page 2 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Record The first edition Update -- 5.8 Software Upgrade (P62) DB-2051P Service Manual Confidential Document 2004/12/17 Page 2 of 90...

  • Page 3: Table Of Contents

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Contents Introduction Brief Introduction Reminder of the Safety Brief Industroduction to DB2051P Appearance of the DB2051P Specification List Electrical Specification List Functions List List of the Functions Available Disassembly &...

  • Page 4: Introduction

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 1. Introduction 1.1 Brief Introduction 1.2 Reminder of the Safety 1.2.1 For Portable Mobile Phone 1.2.2 For Car-Use Mobile Phone 1.2.3 For General Use DB-2051P Service Manual Confidential Document...

  • Page 5: Brief Industroduction To Db2051P

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 2. Introduction to DB-2051P 2. Brief Introduction to DB-2051P Appearance of the DB2051P Item Name of the Part Remarks Dust guard cover Battery cover hook Front housing of the phone...

  • Page 6: Specification List

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Specification List of the DB-2051P Item Reference Requirements 99X43.5X19.5 Dimension mm Weight ≤90g±10%, with a standard battery Plastic material ABS+PC Power supply 3.7V (normal), 3.3V (min.) Battery voltage 3.7V (normal), 600mAH (min.)

  • Page 7: Electrical Specification List

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 2.3 Electrical Specification List Item Reference Requirements GSM900 880 – 915 MHz GSM900 925 – 960 MHz Same as the left item DCS1800 1710-1785MHz 1805-1880MHz DCS1800 GSM900 124 channels...

  • Page 8: Functions List

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3. Menu 3.1 Available Menu DB-2051P Service Manual Confidential Document 2004/12/17 Page 8 of 90...
  • Page 9 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3.1.1 Messages Voice Mail C Direct Reply Voice Mail Cell Broadcast Read new CB Topic List New Topic Auto Display Capacity 3.1.2 Records Recent Calls Clear Logs Outgoing Call...
  • Page 10 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3.1.3 Ringer Volume Type Any Call Phonebook Calls Family Group Calls Friend Alarm Workmate Message Cell Broadcast Call Alert Vibrator Only Ringer Only Vibrator & Ringer Vibrator Then Ringer No Ringer &...
  • Page 11 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3.1.5 Settings Key Tones CLick Tone Key Lock Auto Key Lock Keypad Lock Now Anykey Answer Auto Answer Connection Alert ones Vibrator Tones & Vibrator IP number setting...
  • Page 12 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc No Reply Activate Cancel Status No Response Activate Cancel Status Clera All All Outgoing Activate Cancel Status Outgo International Activate Cancel Status Barrings Outgo International Except Home Activate...
  • Page 13 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3.1.6 Misc. alculator Black jack Games Gobang Redcap Tank War Settings Sounds Backlight Calendar Vibrator Screen Saver Bear Night Sun & Moon Digital Clock 3.1.7 Phone book View...

  • Page 14: Disassembly & Assembly

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4. Disassembly & Assembly 4.1 Brief Introduction to Disassembly and Assembly Especially carefully disassemble or assembly the LCD on the board of DB-2051P due to it is a precise element easily damaged.

  • Page 15: Disassembly Procedures

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4.3 Disassembly Procedures Once the mobile phone has not been disassembled but asked to be repaired, it should be taken apart. The following steps will guide you to disassemble the 2051P.
  • Page 16 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 8. Remove the receiver and the LCD 7. Take out the LCD panel. Plate. 10. Take the Vibrator out of the rear 9. Take out the keypad. housing.
  • Page 17 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Points for Attention: 1. Clean the working site(s), check out the tools and materials, and place the parts and tools in order. 2. Do not make the front/rear housings and LCD Lens panel scraped at the case of disassembly of the housings.

  • Page 18: Exploded Parts Diagram

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4.4 Exploded Parts Diagram DB-2051P Service Manual Confidential Document 2004/12/17 Page 18 of 90...

  • Page 19: Parts List For Each Portion

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4.5 Replacement Parts PART NAME Q’ty RING LCD LENS LCD LENS TAPE FRONT HOUSING LCD SPONGE LCD HOLDER SCREW NUT KEYPAD LCD PLATE SPONGE INSULATING TAPE METAL DOME LCM TAPE RECEIVER &...

  • Page 20: Assembly Procedures

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4.6 Assembly Procedure 2. Assemble back the receiver to the site, 1. Assemble back the keypad. as shown in the figure above. 4. Certainly assemble back the antenna 3.
  • Page 21 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 7. Assemble the vibrator in the rear housing. 8. Assemble the MICROPHONE in the rear housing. 10. Combine the front and rear housings 9. Load the board into the rear housing from top to bottom after the upper hook and wedge the hook of the rear housing.
  • Page 22 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Points for Attention: Clean the working site(s), check out the tools and materials, and place the parts and tools in order. Do not make the front/ rear housings and LCD Lens panel scraped at the case of disassembly of the housings.

  • Page 23: Repair & Test

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5. Repair & Test 5. DB2051P Repair & Test Procedures 5.1 Basic Knowledge of the Mobile Phone Repair This chapter systematically analyzes the classes of GSM mobile phone’s troubles and the basic repair methods.
  • Page 24 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3. Quality and quantity failed: Some mobile phones not certified are together re-assembled with pieces of parts and are in poor condition. Furthermore, although some mobile phones are also digital, they do not at all meet the GSM requirement.
  • Page 25 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc The IMEI code of each phone as the name of each phone is essential for correct handover. 4. To master the tips on how to operate the phone to be repaired Technical staff to repair mobile phones may not set up and use a phone as the technician to repair cars may not drive.

  • Page 26: Brief Introduction To Db2048 Repair

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.2 Brief Introduction to DB2051P Repair 3 classes of the repair for DB-2051P are respectively described below: Class 1 Repair: For a repair not by removing the screw from the phone a.

  • Page 27: Db2051P Mechanism Repair

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.3 DB2051P Mechanism Repair Refer to chapter 4 for DB2051P mechanism assembly and disassembly procedures. 5.4 Manual Test Instructions DB2051P provides a manual test function. Inputting the manual test instructions, the technicians may effectively control the mobile phone and perform functional tests they want to only by keying in a series of instructions.

  • Page 28: Basis Module Trouble Shooting

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.5 Basis Circuit Module Trouble Shooting: repair flow shown as follows SYMPTOM 1: the phone cannot be powered on Load a battery to start the tests. Adjust or replace...
  • Page 29 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Re-solder or replace the Check whether FLASH is well soldered or FLASH. in good condition. Re-download the phone software. Check whether the phone software is in good condition.
  • Page 30 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 3 LCM does not display anything or does partially display something. For the phone able to be switched on Locate the LCM module, or check whether LCM Zebra is...
  • Page 31 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 4 Call ring is abnormal (irregularly) For the phone able to be switched on and set to a call ring mode Re-assemble the phone. Check whether Buzzer holder is covered.
  • Page 32 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 5 : The voice from the other side is not clear. In the condition of call Re-solder or replace IC7. Check whether a signal is sent to SP1_2 from IC7.
  • Page 33 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 6 The other side cannot clearly hear the voice. During a call Re-solder or replace IC7. Check whether a signal is sent to the terminals of C79 from IC7.
  • Page 34 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 7 After the phone is switched on, the keys get failure. At the state of switch on Re-stick the Keypad, Metal Doom or replace it in worst case, and clean...
  • Page 35 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 8 LED is not bright: After the phone is switched on Check whether backlighting is Set the backlighting at a “on” state to “on” state. in the function setting.
  • Page 36 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 9 When a normal SIM card is put, the phone still require a SIM card after switched on. Under the condition of switch on and of a SIM card laid Check whether the output voltage of IC6_21 is 2.85V;...
  • Page 37 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 10 The phone’s time does not go or does not go exact: Check whether the phone’s time Check whether C78, is not exact. C81, and XTAL1 are not well soldered;...
  • Page 38 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 11 Re-solder or replace C17. Replace the charger. Determine whether the charger is normal. Check whether J5 is not well soldered; if any, re-solder or replace the relevant part.
  • Page 39 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc If the RF part of the phone needs repairing, an oscilloscope, a spectrum analyzer, a computer, an RF synthetic instrument, a power supply, and related testing software “DBService” are required, as shown below: Points for Attention: 1.
  • Page 40 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 1) At case of GSM measurement: ARFCN=62 (947.4MHz) Generator RF level: -20dBm 2) At case of DCS measurement: ARFCN=698 (1842.4MHz) Generator RF level: -20dBm 3) Test probe attenuation: 20 dBm 1) At case of GSM measurement: ARFCN=62 (902.4MHz)
  • Page 41 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 12 The received signal is bad, or no signal is received. Start Re-assemble or replace the Check whether the antenna jack. antenna is well installed. Check: C154, C46, C153, L22, J1,...
  • Page 42 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Check: BPF1, Check by a spectrum analyzer: For GSM: whether BPF1_1 and BPF1_2 have signals, as shown in figure 5, both BF2 and C47; re-solder or replace the related part(s) in for DCS: whether BPF2_1 and BPF2_2 worst case.
  • Page 43 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc RBW 3 MHz Marker 1 [T1] RBW 1 MHz Marker 1 [T1] VBW 10 MHz -41.65 dBm VBW 3 MHz -41.26 dBm Ref -20 dBm 20 dB SWT 2.5 ms 1.842400000 GHz...
  • Page 44 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Figure 7 Figure 8 DB-2051P Service Manual Confidential Document 2004/12/17 Page 44 of 90...
  • Page 45 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 13 Calls cannot be made (dial malfunction). After switch on Re-solder or replace IC7. Check: whether IC9_13~IC9_16 have a signal, I/Q signal shown in figures 9 and 10, and whether IC9_1, IC9_2, IC9_3, and IC9_5 have a control signal.
  • Page 46 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Re-solder or Re-solder Check by a spectrum analyzer: replace IC6 or replace For GSM: whether IC5_13 and and C60. IC7. IC5_14 have a signal as shown in figures 19 and 20,...
  • Page 47 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Check: GSM: C151, Check by a spectrum analyzer: For GSM: whether SW1_5 has a signal as shown in figure 22, DCS: C150; re-solder or replace the related part(s) in For DCS: whether SW1_3 has a worst case.
  • Page 48 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Figure 9 Figure 10 RBW 1 MHz Marker 1 [T1] RBW 1 MHz Marker 1 [T1] VBW 3 MHz -19.10 dBm VBW 3 MHz -19.87 dBm 20 dBm 50 dB SWT 2.5 ms...
  • Page 49 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc RBW 1 MHz Marker 1 [T1] RBW 1 MHz Marker 1 [T1] VBW 3 MHz -20.70 dBm VBW 3 MHz -21.33 dBm 20 dBm 50 dB SWT 2.5 ms 902.400000000 MHz...
  • Page 50 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc RBW 300 kHz Marker 1 [T1] VBW 1 MHz -14.75 dBm 20 dBm 50 dB SWT 2.5 ms 1.747500000 GHz 1 PK MAXH Center 1.7475 GHz 5 MHz/...
  • Page 51 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 1. Configuration of the RF calibration station Hardware: 1. CMU200 * 1 2. Power supply 2303 * 1 3. Power supply 2304*1 4. Power cable * 2 5. Fixture * 1 6.
  • Page 52 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Main Menu 1. Operation Mode Turn on to check whether the phone is connected with PC. 2. Mobile Info IMEI , SERIO, S/W, EEPROM, Part No., Fail ID, Station, and Fail Value CODE of the phone are shown.
  • Page 53 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Calibration interface setting of the DB service tool: Main menu for calibration work of the DB service tool 1. Remote Control Switch ON the Remote Control. 2. Instrument a.
  • Page 54 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc PA Offset Calibration and Rx gain Calibration In the main menu, click Test & Cal to enter Test&Calibrate Function, as shown below: Menu of the PA Offset Calibration and Rx gain Calibration 1.
  • Page 55 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc AFC Calibration After Inline Function is selected in the main menu, the items will be shown as follows: Menu of the AFC Calibration 1. Calibration Control Switch Calibration Control ON.
  • Page 56 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 2. ADC Calibration: to calibrate the battery of the phone Menu of the ADC Calibration 1. Calibration Control Switch Calibration Control ON. 2. ADC Cal. Click ADC Cal. to perform ADC Calibration.

  • Page 57: Simple Repair Flow

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.6 Simple Repair Flow From the trouble analysis in the charts below, typical trouble cases in classes 1 and 2, the related worst case check, and references for repair procedures are provided. If the repair is in class 3, it is recommended to send the phone to the original manufacturer for further solution.
  • Page 58 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc DB-2051P Service Manual Confidential Document 2004/12/17 Page 58 of 90...
  • Page 59 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 3 The ring malfunctions, or its sound level is too low. LEVEL PROBABLE CAUSE VERIFICATION AND REMEDY After taking apart the front and rear housings, first Buzzer not fixed in place check whether the cushion of buzzer is located in place or distorted.
  • Page 60 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 6 The receiving party cannot hear the sound from the calling party, or its sound level is too low. LEVEL PROBABLE CAUSE VERIFICATION AND REMEDY After taking apart the front and rear housings, first...

  • Page 61: Function Test And Verification After The Mobile Phone Is Repaired

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc SYMPTOM 9 When a SIM card is put, the phone still require a SIM card. LEVEL PROBABLE CAUSE VERIFICATION AND REMEDY Load a normal SIM card into the phone. At the case of The user’s SIM card in bad...

  • Page 62: Software Update

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.7 Detection after the Mobile Phone Is Repaired Points for attention after the appearance is remedied: 1. Check whether the front and rear housings and the Lens are scraped. (Determine with the user whether the appearance of the phone to be repaired is scraped.) No...
  • Page 63 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.8 Software Upgrade 1. Hardware and OS required OS Windows 98 Windows 2000 Hardware: PC x 1; PII 233 MHz above RAM 128 M above USB or Print port required...
  • Page 64 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3. File Location: Master Program Location A model data file clip to store the config. file and the parameter setting file (.mdl) of each model Dongle Driver eep backup data file clip...
  • Page 65 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Model Data File Clip Model parameter file (.mdl): to define the transmission line and calibration states of said model At the time of download, if the Data file clips calibration is kept, the config.
  • Page 66 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc eep backup data file clip Before the flash is erased, the static eep value of the MS will be stored in the EEP_Backup file clip of which the file name is “Serial number” and the sub-file name is “eep”, and after the erase step, if the download is failed, you can click this backup to...
  • Page 67 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 3. Operating Instructions ServiceLoad 2.5 Main menu Description: 1. Select a model. 2. Select a method of Download. 3. Select a COM Port of the transmission line. 4. Select a fls file location of the downloaded software.
  • Page 68 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Operating instructions of the backup data (an additional function of V2.3) Description: before the software of the phone is updated, the phone book, EMS, communication records, and some basic settings can be kept for a backup by means of the newly added backup function, and after the software is updated, the data can be written in the phone again through this function;...
  • Page 69 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Click the icon to power off the phone (at Test mode). DB-2051P Service Manual Confidential Document 2004/12/17 Page 69 of 90...
  • Page 70 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (2) How to back up the phone data 1. Power on the phone and switch it to Test Mode. (At the same time click “*”, “#”, and “power-on” keys to enter Test mode.) 2.
  • Page 71 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (3) How to write the backup data back to the phone 1. If you complete in downloading the software to the phone, remember to remove the battery and then re-load it, or you cannot power on the phone.
  • Page 72 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (Flash+EPP_Default) Description: Flash + EEP_Default is provided to update the phone software and to write the EEPROM Default value of the new version of software, in order to make the settings of the phone be present in an initial state.
  • Page 73 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (In the download menu) booting key to start programming. Download is OK. DB-2051P Service Manual Confidential Document 2004/12/17 Page 73 of 90...
  • Page 74 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Operating Instructions (Flash+EPP_Calibrated) Description: Flash + EEP_Calibrated is provided to update the phone software, to write the EEPROM Default value of the new version of software, and update the calibrated value in EEPROM;...
  • Page 75 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Download is OK. Notes: Make sure of the model. Make sure that there is a .mdl file in the model data file clip. Make sure that there is a config file (.cfg) of the original software, in the model data file clip, and a config file (.cfg) to be updated.
  • Page 76 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Make sure of the com port of the transmission line. The eep file must be correct, or the default value may be wrong and some functions are abnormal.
  • Page 77 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Operating Instructions (Flash+EPP_ Calibrated, How to recovery the data if the download is failed) 1. Re-download once the software (Flash+EEP_Default) to be updated, but partially the last failed .eep file must be selected in the EEP_Backup data file clip for EEPROM Loading.
  • Page 78 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 2. After the download, do not power on the phone; the .eep file of EEP_Backup is that of the software before updated, so you must again execute flash+EEP_Calibrated Download once for updating the software, and at this time a progsm.eep file attached...
  • Page 79 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Then, again use the method of Flash+EEP_Calibrated to download it once. Select an .eep file of the new software the same as that in the directory on the left.
  • Page 80 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Notes: 1. Make sure of the model. 2. Make sure that there is a .mdl file in the model data file clip. 3. Make sure that there is a config file (.cfg) of the original software, in the model data file clip, and a config file (.cfg) to be updated.
  • Page 81 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Operating instructions of the IMEI backup data (an additional function of V2.7) Purpose: to solve the problem of IMEI being erased when the software of the phone is updated, in which IMEI has not yet been written to Hidden Zone.
  • Page 82 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 4. Select a Backup. (Read IMEI from phone.) 5. Tick off an IMEI item. 6.Click Start button to backup Tick off an IMEI item. Click Start button to Determine a Com port.
  • Page 83 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 7.Poweroff MS DB-2051P Service Manual Confidential Document 2004/12/17 Page 83 of 90...
  • Page 84 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc [SW upgrade ] 1. Use Fastload (or ServiceLoad) to upgrade the software. (Select Flash + EEP_Calibrated.) 3. After the download is successful, remove the battery from the phone and then re-load it to the phone.
  • Page 85 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc [Restore IMEI] a. Power on the phone and have the phone enter Test mode. b. ClickMenu | Backup 1. Select a path of the backup file to be recovered and determine the file name.
  • Page 86 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc Restore is successful. 6.power off MS DB-2051P Service Manual Confidential Document 2004/12/17 Page 86 of 90...
  • Page 87 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (Attachment 1) Newly added Flash types supported by ServiceLoad V2.5 An additional Key is provided; SECOND_FLASH = CS3 (or CS2) can be set in a PIN section of the *.mdl file.
  • Page 88 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc (Attachment 2) Description of the ServiceLoad V2.6 Modification For ServiceLoad V2.6 below, if you select 2056 to restore the failed Flash+EPP_Calibrated, the following error menus (Error: flash and Eep files do not...

  • Page 89: Function Test And Verification

    Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.9 Function Test and Verification General speaking, A successful repair means that the performance of a mobile phone repaired meets the requirements after the phone leaves the factory.General technicians think that no corresponding conditions are provided to adjust and correct the mobile phone for each performance.
  • Page 90 Ares Communications Technology . , INC 2051P Service manual 1~3 V3.0- .doc 5.9 Function Test and Verification General speaking, A successful repair means that the performance of a mobile phone repaired meets the requirements after the phone leaves the factory. General technicians think that no corresponding conditions are provided to adjust and correct the mobile phone for each performance.

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