LG C2500 Service Manual

LG C2500 Manual

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  • LG C2500 | Service Manual - Page 1
    Service Manual Model : C2500 Service Manual C2500 Date: February, 2006 / Issue 1.0
  • LG C2500 | Service Manual - Page 2
    Manual Personal Cellular Telephone C2500 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service
  • LG C2500 | Service Manual - Page 3
    Structure of the Manual 5 1.3 Servicing Responsibilities 5 2. LEVEL 2.5 SERVICE GUIDELINES .........6 2.1 Introduction 6 2.2 Level of Repair Guidelines 6 2.3 Level of Repair Service Tools and Interfaces ..9 2.4 Features 9 2.5 Mobile Unit Basic Kit 10 3. OPERATING INSTRUCTIONS 11 3.1 General
  • LG C2500 | Service Manual - Page 4
    personnel only. Our policy is of continuous development; details of all technical modifications will be included with service bulletins. While every endeavor has been made to ensure the accuracy of this document, some errors may exist. If any errors are found by the
  • LG C2500 | Service Manual - Page 5
    Warnings and Cautions Please refer to the phone's user guide for instructions relating to operation, care and maintenance QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE. Cautions: 1. Servicing and alignment must be undertaken by qualified personnel only. 2. Ensure all work
  • LG C2500 | Service Manual - Page 6
    2. Installation and operating information - provides instructions for unpacking, installing and operating the equipment. 3. Servicing information - provides complete instructions for testing, disassembly, and reassembly of the product. Step-by-step troubleshooting information is given to enable the
  • LG C2500 | Service Manual - Page 7
    2. LEVEL 2 SERVICE GUIDELINES 2. LEVEL 2 SERVICE GUIDELINES 2.1. Introduction The document is intended to help you carry out repair up to Level 2 on the C2500 mobile phone. The repair for International version and Asian variants are identical unless otherwise noted, therefore the description herein
  • LG C2500 | Service Manual - Page 8
    ) Deco. Plate for Side-L Deco. Plate for Side-R SIDEKEY 1 WAY SIDEKEY 2 WAY Keypad RUS Silver Metal dome MIC. FPT-22718-3 Battery Cover LG RF_SW_CAP rubber Grey Screw (M1.6*3.8)°AZN°AWhite PHONE JACK CAP USB CAP SENSOR VGA TM03-E1-X10 SVC Level L1 L1 L1 L1 L1 L1 L1 L1 L1 L1 L1 L1
  • LG C2500 | Service Manual - Page 9
    2. LEVEL 2 SERVICE GUIDELINES Level 2 Part No. DARTS P/N 2218-18B5-0080 Description PCB Main Board, C2500 SVC Level L2 LG P/N SAFY0159101 2.2.4. Level 2.5 This level requires the repair or removal of certain specified discrete components of the mobile units' main board. This level of repair
  • LG C2500 | Service Manual - Page 10
    soldering jigs, CTS 55 GSM Tester, C2500 Testing jigs, Power supply DARTS P/N LG P/N The service interface is used for the purpose of communicating with the mobile unit in situation such as software upgrading and testing process. These service interfaces are listed below: DARTS P/N Description
  • LG C2500 | Service Manual - Page 11
    2. LEVEL 2 SERVICE GUIDELINES 5. Voice Ringer. 6. Wireless Application Protocol (WAP) Browser. 7. Backup Battery. 8. Downloadable polyphonic melody ring tones. 9. Clock, Calculator and Currency Converter. 2.5. Mobile Unit Basic Kit Figure 2.1: Hand portable Main Unit Kit Content Item 1 2 3
  • LG C2500 | Service Manual - Page 12
    General This section provides a brief guide to the operation and facilities available on the telephone handset. Refer to the Operating Instruction supplied with the telephone for full time. 4. To enter Menu press left selection key. 5. To use Name in the phone book press right selection key. - 11 -
  • LG C2500 | Service Manual - Page 13
    3. OPERATING INSTRUCTIONS Essential indicators Indicates signal strength and alternate line service. Shows handset current battery charge strength. Indicates the phone keypad is locked. Indicates the profiles alert type is Ring Indicates the profiles alert type is vibration. Indicates the profiles
  • LG C2500 | Service Manual - Page 14
    3. OPERATING INSTRUCTIONS 3.3. Location of Controls Hand-free kit connection Adjust Volume Side key Power on / charging indicator B D USB connector Antemma area Earpiece Audio Play Display Screen C B A Microphone Speaker Battery Cover Figure 3.2: Location of Controls - 13 -
  • LG C2500 | Service Manual - Page 15
    3. OPERATING INSTRUCTIONS 3.4. Alpha Entry 3.4.1. Character Set / Key Assignments There are 20 keys on C2500, including 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, *, #, SEND, END, Left-Soft-Key (LSK), Right-Soft-Key (RSK), 4-way Navigation Key. The following ID drawing is only used for Keypad Layout's reference.
  • LG C2500 | Service Manual - Page 16
    3. OPERATING INSTRUCTIONS ➢ Key Function List λ A. Power/End key. • Switch phone on and off. Also, ends a call key: Access to the Messages menu • Scroll through names and numbers stored in the phone book or through the phone's menus, submenus, and option list. λ D. Send/Answer Key • Make and answer
  • LG C2500 | Service Manual - Page 17
    service mode By 2945#*# to enter production mode A. Version[1] This displays the version of each item. • Version Info Summary: The software version. • MCU SW: The protocol Version. • Melody: Melody version. • Serial No: Phone Serial number. • BB Chip: Base band chipset version. • DSP Code: DSP code
  • LG C2500 | Service Manual - Page 18
    INSTRUCTIONS Display IMEI to set the LCD contrast. • Main LCD [10-1]: Change this value by up and down key. K. Receiver[ values. • VBAT: Main Battery Voltage. • BTemp: Battery Temperature. • VAUX: Headset hook on automatically. O. Nand Flash[17] This menu is to test the Nand flash. P. CAMERA[18] This
  • LG C2500 | Service Manual - Page 19
    3. OPERATING INSTRUCTIONS 3.5.3.Tips for Call Option A call can be connected to any single PIN 1 and 2 PIN control Phone code FDN BDN Description PIN activate, changing and deactivation Menu entry to change PIN2/phone code Manufacture defined codes to protect phone (4 - 8 digits). Changeable by
  • LG C2500 | Service Manual - Page 20
    OPERATING INSTRUCTIONS 3.7. Troubleshooting The user is given the following information and advised to contact the dealer if the problems persist: Problem Telephone will not switch on Extremely short battery life for a new battery pack Short battery life for an old battery pack The battery
  • LG C2500 | Service Manual - Page 21
    4. ASSEMBLY INSTRUCTIONS 4. ASSEMBLY INSTRUCTIONS 4.1. Assembly Structure - 20 -
  • LG C2500 | Service Manual - Page 22
    4. ASSEMBLY INSTRUCTIONS 4.2. Antenna Base sub assembly 1. To add cmos rubber on antenna base 2. To add speaker on antenna base 3. To add speaker cover on antenna base - 21 -
  • LG C2500 | Service Manual - Page 23
    4. ASSEMBLY INSTRUCTIONS 4. To add antenna metal plate on Antenna base 5. To add cmos sponge on Antenna base 4.3 PCBA sub assembly 1. To add LCM module on PCBA - 22 -
  • LG C2500 | Service Manual - Page 24
    2. To add metal dome on PCBA 4. ASSEMBLY INSTRUCTIONS 3. To add BB shielding cover on PCBA 4.To add RF shielding cover on PCBA - 23 -
  • LG C2500 | Service Manual - Page 25
    4. ASSEMBLY INSTRUCTIONS 5.To add CMOS on PCBA 6.To add antenna base on PCBA 7. To add LCM shielding on PCBA - 24 -
  • LG C2500 | Service Manual - Page 26
    4. ASSEMBLY INSTRUCTIONS 4.4 Top case sub assembly 1. To add receiver rubber and receiver on top case 2. To add Keypad on top case 4.5 Bottom case sub assembly 1. To add battery connector on bottom case. - 25 -
  • LG C2500 | Service Manual - Page 27
    4. ASSEMBLY INSTRUCTIONS 2. To add vibrator on bottom case. 3. To add Mic rubber and Mic on bottom case. 4. To add earphone cap on bottom case. - 26 -
  • LG C2500 | Service Manual - Page 28
    5. To add Mic boot on bottom case 4. ASSEMBLY INSTRUCTIONS 6. To add mini-USB cap on bottom case 4.6 Main assembly 1. To add PCBA sub assembly on top case sub assembly. - 27 -
  • LG C2500 | Service Manual - Page 29
    4. ASSEMBLY INSTRUCTIONS 2. To add left side key and strip on main assembly. 3. To add right side key and strip on main assembly. 4. To add bottom sub assembly on main assembly. - 28 -
  • LG C2500 | Service Manual - Page 30
    5. To add RF cap on Main assembly 4. ASSEMBLY INSTRUCTIONS 6. To add battery cover on main assembly. - 29 -
  • LG C2500 | Service Manual - Page 31
    5. TECHNICAL SPECIFICATION 5. TECHNICAL SPECIFICATION 5.1. TX Characteristics All data is applicable to E-GSM900 and DCS1800 / PCS1900 except where stated. 5.1.1. ±1800 E-GSM 900 - 19 - 21 - 21 - 24 Maximum Level (dBm) DCS 1800 PCS 1900 - 22 - 22 - 24 - 24 - 24 - 24 - 27 - 27 - 30 -
  • LG C2500 | Service Manual - Page 32
    to 1 785 MHz 1 785 MHz to 12,75 GHz GSM 400, GSM 700, GSM 850, GSM 900 -36 -30 Power level in dBm DCS 1 800 PCS 1 900 -36 -36 -30 -30 -36 -30 - 31 -
  • LG C2500 | Service Manual - Page 33
    ,75 GHz, excl. relevant TX band: GSM 750: 777 MHz to 792 MHz GSM 850: 824 MHz to 849 MHz; P-GSM: 890 MHz to 915 MHz; E-GSM: 880 MHz to 915 MHz; DCS: 1 710 MHz to 1 785 MHz, PCS 1 900: 1 850 MHz to 1 910 MHz; and the RX bands: For GSM 400 MS
  • LG C2500 | Service Manual - Page 34
    MHz P-GSM: 890 MHz to 915 MHz E-GSM: 880 MHz to 915 MHz DCS: 1 710 MHz to 1 785 MHz PCS 1 900: 1 850 MHz to 1 910 (offset from carrier) MHz NOTE 1: The excluded RX bands are tested in sub clause 13.4. NOTE 2: The filter and video bandwidths, and frequency offsets are only correct
  • LG C2500 | Service Manual - Page 35
    5. TECHNICAL SPECIFICATION 5.2. Rx Characteristics 5.2.1. Sensitivity E-GSM 900 Full Rate Speech The reference sensitivity performance in terms of frame erasure, bit error, or residual bit error rates (whichever is
  • LG C2500 | Service Manual - Page 36
    5. TECHNICAL SPECIFICATION DCS 1800 Full Rate Speech The reference sensitivity performance in terms of frame erasure, bit error, or residual bit error rates (whichever is appropriate) is specified in the following table, according to the propagation conditions. Propagation Conditions Channels
  • LG C2500 | Service Manual - Page 37
    Static Conditions Test Limit error rate % 0.122 0.41 2.439 Minimum No. of samples 164000 20000000 8200 The reference sensitivity level is < -102dBm. PCS 1900 Half Rate Speech The reference sensitivity performance in terms of frame erasure, bit error, or residual bit error rates (whichever is
  • LG C2500 | Service Manual - Page 38
    6. Calibration 1. Select the comport no. which connected to mobile or fixture 6. Calibration 2. Main Form - 37 -
  • LG C2500 | Service Manual - Page 39
    6. Calibration (1) Open NVRAM database: Select the NVRAM database (2) Open configuration file: Select configuration file - 38 -
  • LG C2500 | Service Manual - Page 40
    (3) Setup logging file: Decide the log file 6. Calibration (4) Setup result file: Decide the result file - 39 -
  • LG C2500 | Service Manual - Page 41
    6. Calibration (5) Open calibration data initial file: Open data initial file to calibration (6) Setup calibration data result file path: Decide the data result folder - 40 -
  • LG C2500 | Service Manual - Page 42
    6. Calibration 3. Keep the mobile power off and put the mobile on fixture or connect mobile with cable then click the start button 4. After click Start button , waiting for mobile power on - 41 -
  • LG C2500 | Service Manual - Page 43
    6. Calibration 5. Calibration begin Appendix :Cable loss 1. Click configuration file - 42 -
  • LG C2500 | Service Manual - Page 44
    2. Make up for the cable loss value 6. Calibration - 43 -
  • LG C2500 | Service Manual - Page 45
    7. BLOCK DIAGRAM 7. BLOCK DIAGRAM 7.1. C2500 Base band Hardware Typical application and Block Diagram Figure 7.1: Typical application of MT6217 - 44 -
  • LG C2500 | Service Manual - Page 46
    7. BLOCK DIAGRAM Figure 7.2: MT6217 Block Diagram - 45 -
  • LG C2500 | Service Manual - Page 47
    7. BLOCK DIAGRAM 7.2. C2500 RF Block Diagram Figure 7.3: MT6120 Block Diagram - 46 -
  • LG C2500 | Service Manual - Page 48
    8. C2500 PCB PLACEMENT - 47 -
  • LG C2500 | Service Manual - Page 49
    8. C2500 PCB PLACEMENT - 48 -
  • LG C2500 | Service Manual - Page 50
    9. CIRCUIT DIAGRAM RF - 49 -
  • LG C2500 | Service Manual - Page 51
    9. CIRCUIT DIAGRAM BB_Main - 50 -
  • LG C2500 | Service Manual - Page 52
    9. CIRCUIT DIAGRAM LCD & Keypad - 51 -
  • LG C2500 | Service Manual - Page 53
    9. CIRCUIT DIAGRAM PMIC & LED - 52 -
  • LG C2500 | Service Manual - Page 54
    9. CIRCUIT DIAGRAM Cmos - 53 -
  • LG C2500 | Service Manual - Page 55
    9. Circuit Diagram Momery & Audio - 54 -
  • LG C2500 | Service Manual - Page 56
    9. Circuit Diagram - 55 -
  • LG C2500 | Service Manual - Page 57
    9. CIRCUIT DIAGRAM - 56 -
  • LG C2500 | Service Manual - Page 58
    RF TRANSCEIVER,QFN,56P Memory 5 2651-00FS-0080 FLASH+SRAM,128+32,S71PL127JB0BFW9U0 6 2252-9F12-5080 NAND FLASH,TSOP1,48P,64*8,K9F1208U0M-PCB0 RF 7 0942-5026 T420, T421,T422 T100,T103,T104 D401 LED402~D407 SVC LG part number OK EUSY0298601 OK EUSY0296501 OK EUSY0296001 OK SMPY0006401 OK
  • LG C2500 | Service Manual - Page 59
    0100 PLASTIC,MAIN LENS,ARI,D-BLUE 48a 2211-ML18-7500 PLASTIC,MAIN LENS,ARI,LG,COOL GRAY Bottom case Ass'y 49 221C-BA03-0102 BATT CONN PITCH=2.50mm 100 100 100 Location N401 J101 J601 J401 J402 LS101 E2 SVC LG part number OK SBCL0001003 OK ENJE0005101 OK ENWY0004101 OK ENSY0017201 OK
  • LG C2500 | Service Manual - Page 60
    0088 SPEAKER,DMS1508C-11-PC-F3-G 54 2214 USB CAP 56a 2213-RB18-5700 OTHER,RUBBER,ARI,BLUE,FOR USB CAP 57 2213-TR18-1100 OTHER,TPR,ARI,SILVER,FOR PHONE JACK CAP 57a 2213-RB18-6700 OTHER,RUBBER,ARI,BLUE,FOR PHONE HANDSFREE,150ߟ,CHM201STM02027_LI,LF Service 65 SW D/L Location SVC LG part number
  • LG C2500 | Service Manual - Page 61
    Note
  • LG C2500 | Service Manual - Page 62
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Service Manual
Model : C2500
Date: February, 2006 / Issue 1.0
Service Manual
C2500