Mobile Phone LG C1100 Service Manual

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Mobile Phone LG C1100 Service Manual

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<p>Service Manual</p> <p>Service Manual C1100</p> <p>Model : C1100</p> <p>P/N : MMBD0034301</p> <p>Date : June, 2004 / Issue 1.0</p> <p>Table Of Contents1. INTRODUCTION ................................ 21.1 Purpose ............................................... 2 1.2 Regulatory Information ........................ 2 1.3 Abbreviations ....................................... 4</p> <p>5. DISASSEMBLY INSTRUCTION ... 825.1 Disassembly ...................................... 82</p> <p>6. DOWNLOAD AND CALIBRATION ............................. 906.1 Download .......................................... 90 6.2 Calibration ......................................... 97</p> <p>2. PERFORMANCE ................................. 62.1 H/W Features ...................................... 6 2.2 Technical Specification ........................ 7</p> <p>7. BLOCK DIAGRAM ......................... 100 8. CIRCUIT DIAGRAM ....................... 101 9. PCB LAYOUT ..................................... 9511.1 TOP ................................................. 95 11.2 BOTTOM ......................................... 96</p> <p>3. TECHNICAL BRIEF ......................... 11Transceiver ....................................... 11 Power Amplifier Module .................... 16 13MHz Clock ..................................... 17 Power Supplies for RF Circuits ......... 17 Digital Main Processor ...................... 18 Analog Main &amp; Power Management Processor ........................................... 23 3.7 Memory ............................................. 33 3.8 Display and Interface ......................... 34 3.9 Keypad Switches and Scanning ......... 35 3.10 Microphone........................................ 36 3.11 Main Receiver .................................. 37 3.12 Headset Jack Interface ..................... 38 3.13 Speaker &amp; MIDI IC ........................... 39 3.14 Key Back-light Illumination ............... 40 3.15 LCD Back-light Illumination .............. 41 3.16 MOTOR ............................................ 42 3.1 3.2 3.3 3.4 3.5 3.6</p> <p>10. ENGINEERING MODE ................ 10710.1 10.2 10.3 10.4 10.5 10.6 10.7 BB Test .......................................... 107 RF Test .......................................... 108 MF Mode ....................................... 108 Trace optiont ................................. 110 Call timer ....................................... 110 Fact. Reset .................................... 110 S/W version ................................... 110</p> <p>11. STAND ALONE TEST .................. 11111.1 Introduction .................................... 111 11.2 Setting Method .............................. 111 11.3 HW Test : Software for Standalone Test Setup ..................................... 112</p> <p>4. TROUBLE SHOOTING ................... 434.1 RX Trouble ........................................ 43 4.2 TX Trouble ......................................... 51 4.3 Power On Trouble ............................. 59 4.4 Charging Trouble ............................... 61 4.5 LCD Trouble. ..................................... 63 4.6 Receiver Trouble ............................... 65 4.7 Speaker Trouble ................................ 67 4.8 Mic Trouble ........................................ 69 4.9 Vibrator Trouble ................................. 71 4.10 Key Backlight LED Trouble .............. 73 4.11 Folder on/off Trouble ........................ 74 4.12 SIM Detect Trouble .......................... 76 4.13 Earphone Trouble ............................. 77 4.14 Indicator LED Trouble ...................... 80 4.15 RTC Trouble ..................................... 81</p> <p>12. AUTO CALIBRATION .................. 11412.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 Overview ....................................... 114 Requirements ................................ 114 Equipment Setup ............................ 114 AGC ............................................... 116 APC ............................................... 116 ADC ............................................... 116 Setting ........................................... 116 How to do calibration ..................... 116</p> <p>13. EXPLODED VIEW &amp; REPLACEMENT PART LIST.............................................................</p> <p>117</p> <p>13.1 Exploded View ............................... 117 13.2 Replacement Parts ........................ 119 13.3 Accessory ...................................... 126 -1-</p> <p>1. INTRODUCTION</p> <p>1. INTRODUCTION1.1 PurposeThis manual provides the information necessary to repair, calibration, description and download the features of this model.</p> <p>1.2 Regulatory InformationA. SecurityToll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your companys employees, agents, subcontractors, or person working on your companys behalf) can result in substantial additional charges for your telecommunications services. System users are responsible for the security of own system. There are may be risks of toll fraud associated with your telecommunications system. System users are responsible for programming and configuring the equipment to prevent unauthorized use. The manufacturer does not warrant that this product is immune from the above case but will prevent unauthorized use of common-carrier telecommunication service of facilities accessed through or connected to it. The manufacturer will not be responsible for any charges that result from such unauthorized use.</p> <p>B. Incidence of HarmIf a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network, it should disconnect telephone service until repair can be done. A telephone company may temporarily disconnect service as long as repair is not done.</p> <p>C. Changes in ServiceA local telephone company may make changes in its communications facilities or procedure. If these changes could reasonably be expected to affect the use of the this phone or compatibility with the network, the telephone company is required to give advanced written notice to the user, allowing the user to take appropriate steps to maintain telephone service.</p> <p>D. Maintenance LimitationsMaintenance limitations on this model must be performed only by the manufacturer or its authorized agent. The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty.</p> <p>E. Notice of Radiated EmissionsThis model complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user.</p> <p>-2-</p> <p>1. INTRODUCTION</p> <p>F. PicturesThe pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.</p> <p>G. Interference and AttenuationPhone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from unsuppressed engines or electric motors may cause problems.</p> <p>H. Electrostatic Sensitive Devices</p> <p>ATTENTIONBoards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign. Following information is ESD handling:</p> <p>Service personnel should ground themselves by using a wrist strap when exchange system boards. When repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded. Use a suitable, grounded soldering iron. Keep sensitive parts in these protective packages until these are used. When returning system boards or parts like EEPROM to the factory, use the protective package as described.</p> <p>-3-</p> <p>1. INTRODUCTION</p> <p>1.3 AbbreviationsFor the purposes of this manual, following abbreviations apply:</p> <p>APC BB BER CC-CV DAC DCS dBm DSP EEPROM ESD FPCB GMSK GPIB GSM IPUI IF LCD LDO LED OPLL PAM PCB PGA PLL PSTN RF RLR RMS RTC</p> <p>Automatic Power Control Baseband Bit Error Rate Constant Current Constant Voltage Digital to Analog Converter Digital Communication System dB relative to 1 milli watt Digital Signal Processing Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge Flexible Printed Circuit Board Gaussian Minimum Shift Keying General Purpose Interface Bus Global System for Mobile Communications International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode Offset Phase Locked Loop Power Amplifier Module Printed Circuit Board Programmable Gain Amplifier Phase Locked Loop Public Switched Telephone Network Radio Frequency Receiving Loudness Rating Root Mean Square Real Time Clock</p> <p>-4-</p> <p>1. INTRODUCTION</p> <p>SAW SIM SLR SRAM PSRAM STMR TA TDD TDMA UART VCO VCTCXO WAP</p> <p>Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating Static Random Access Memory Pseudo SRAM Side Tone Masking Rating Travel Adapter Time Division Duplex Time Division Multiple Access Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol</p> <p>-5-</p> <p>2. PERFORMANCE</p> <p>2. PERFORMANCE2.1 H/W FeaturesItem Li-ion, 760 mAh Standard Battery Cell Size: 33.8(W) x 49.7(H) x 4.6(T) [mm] Weight: 30.00g Stand by Current Talk time Stand by time Charging time RX Sensitivity TX output power GPRS compatibility SIM card type Display Under the minimum current consumption environment (such as paging period 9), the level of standby current is below 4mA. Up to 3 hours (GSM TX Level 7) Up to 200 hours (Paging Period: 9, RSSI: -85 dBm) Approx. Under 3 hours GSM, EGSM: 105dBm, DCS: 105dBm GSM, EGSM: 33dBm (Level 5), DCS: 30dBm (Level 0) Class 10 3V only Main LCD: 128 x 128 pixel 65K Color STN Hard icons. Key Pad; 0 ~ 9, #, *, Up/Down/Left/Right Navigation Key, Menu Key, Clear Key, Send Key, END/PWR Key Soft Key (Left/Right) External Yes Yes EFR/FR/HR Yes Yes Yes No Yes Yes Yes 16 Poly Hands-free kit, CLA, Data Kit Feature Comment</p> <p>Status Indicator</p> <p>ANT EAR Phone Jack PC Synchronization Speech coding Data and Fax Vibrator Loud Speaker Voice Recording C-Mike Receiver Travel Adapter MIDI Options</p> <p>-6-</p> <p>2. PERFORMANCE</p> <p>2.2 Technical SpecificationItem Description GSM TX: 890 + n x 0.2 MHz RX: 935 + n x 0.2 MHz (n=1~124) 1 Frequency Band EGSM TX: 890 + (n-1024) x 0.2 MHz RX: 935 + (n-1024) x 0.2 MHz (n=975~1024) DCS TX: 1710 + (n-512) x 0.2 MHz RX: 1805 + (n-512) x 0.2 MHz (n=512~885) 2 3 Phase Error Frequency Error RMS &lt; 5 degrees Peak &lt; 20 degrees &lt; 0.1 ppm GSM, EGSM Level 5 6 7 8 9 10 11 12 4 Power Level DCS Level 0 1 2 3 4 5 6 7 Power 30 dBm 28 dBm 26 dBm 24 dBm 22 dBm 20 dBm 18 dBm 16 dBm Toler. 2dB 3dB 3dB 3dB 3dB 3dB 3dB 3dB Level 8 9 10 11 12 13 14 15 Power 14 dBm 12 dBm 10 dBm 8 dBm 6 dBm 4 dBm 2 dBm 0 dBm Toler. 3dB 4dB 4dB 4dB 4dB 4dB 5dB 5dB Power 33 dBm 31 dBm 29 dBm 27 dBm 25 dBm 23 dBm 21 dBm 19 dBm Toler. 2dB 3dB 3dB 3dB 3dB 3dB 3dB 3dB Level 13 14 15 16 17 18 19 Power 17 dBm 15 dBm 13 dBm 11 dBm 9 dBm 7 dBm 5 dBm Toler. 3dB 3dB 3dB 5dB 5dB 5dB 5dB Specification</p> <p>-7-</p> <p>2. PERFORMANCE</p> <p>Item</p> <p>Description GSM, EGSM</p> <p>Specification</p> <p>Offset from Carrier (kHz). 100 200 250 400 600~ </p>