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LG C1100 Service Manual

LG C1100 Service Manual

Lg c1100 mobile phone service manual
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Service Manual
C1100
P/N : MMBD0034301
Date : June, 2004 / Issue 1.0

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  • Page 1 Service Manual C1100 P/N : MMBD0034301 Date : June, 2004 / Issue 1.0...

  • Page 2: Table Of Contents

    Table Of Contents ........ 1. INTRODUCTION 5. DISASSEMBLY INSTRUCTION 1.1 Purpose ..........2 5.1 Disassembly ........82 1.2 Regulatory Information ......2 6. DOWNLOAD AND 1.3 Abbreviations ........4 CALIBRATION ......90 ......... 2. PERFORMANCE 6.1 Download .......... 90 6.2 Calibration ......... 97 2.1 H/W Features ........

  • Page 3: Introduction

    1. INTRODUCTION 1. INTRODUCTION 1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features of this model. 1.2 Regulatory Information A. Security Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your company’s employees, agents, subcontractors, or person working on your company’s behalf) can result in substantial additional charges for your telecommunications services.
  • Page 4 1. INTRODUCTION F. Pictures The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different. G. Interference and Attenuation Phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from unsuppressed engines or electric motors may cause problems. H.

  • Page 5: Abbreviations

    1. INTRODUCTION 1.3 Abbreviations For the purposes of this manual, following abbreviations apply: Automatic Power Control Baseband Bit Error Rate CC-CV Constant Current – Constant Voltage Digital to Analog Converter Digital Communication System dB relative to 1 milli watt Digital Signal Processing EEPROM Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge...
  • Page 6 1. INTRODUCTION Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM STMR Side Tone Masking Rating Travel Adapter Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol...

  • Page 7: Performance

    2. PERFORMANCE 2. PERFORMANCE 2.1 H/W Features Item Feature Comment Li-ion, 760 mAh Standard Battery Cell Size: 33.8(W) x 49.7(H) x 4.6(T) [mm] Weight: 30.00g Under the minimum current consumption environment Stand by Current (such as paging period 9), the level of standby current is below 4mA.

  • Page 8: Technical Specification

    2. PERFORMANCE 2.2 Technical Specification Item Description Specification TX: 890 + n x 0.2 MHz RX: 935 + n x 0.2 MHz (n=1~124) EGSM Frequency Band TX: 890 + (n-1024) x 0.2 MHz RX: 935 + (n-1024) x 0.2 MHz (n=975~1024) TX: 1710 + (n-512) x 0.2 MHz RX: 1805 + (n-512) x 0.2 MHz (n=512~885) RMS <...
  • Page 9 2. PERFORMANCE Item Description Specification GSM, EGSM Offset from Carrier (kHz). Max. dBc +0.5 –30 –33 –60 600~ <1,200 –60 1,200~ <1,800 –60 1,800~ <3,000 –63 3,000~ <6,000 –65 Output RF Spectrum 6,000 –71 (due to modulation) Offset from Carrier (kHz). Max.
  • Page 10 2. PERFORMANCE Item Description Specification GSM, EGSM BER (Class II) < 2.439% @–102 dBm Bit Error Rate BER (Class II) < 2.439% @–100 dBm RX Level Report Accuracy 3 dB 8 3 dB Frequency (Hz) Max.(dB) Min.(dB) –12 – – –12 Sending Response 1,000...
  • Page 11 2. PERFORMANCE Item Description Specification At least 80 dB under below conditions: Ringer Volume 1. Ringer set as ringer. 2. Test distance set as 50 cm. CC Charge : < 500 mA Charge Current Trickle Charge : < 60 mA Antenna Bar Number Power –85 dBm ~...

  • Page 12: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 Transceiver (SI4205-BM, U301) The RF parts consist of a transmitter part, a receiver part, a frequency synthesizer part, a voltage supply part, and a VCTCXO part. The Aero I transceiver is the integrated RF front end for multi-band GSM/GPRS digital cellular handsets and wireless data modems.
  • Page 13 3. TECHNICAL BRIEF (1) Receiver Part The Aero I transceiver uses a low-IF receiver architecture which allows for the on chip integration of the channel selection filters, eliminating the external RF image reject filters and the IF SAW filter required in conventional superheterodyne architectures. A.
  • Page 14 3. TECHNICAL BRIEF Figure 3-2. SI4205 RECEIVER PART B. Intermediate frequency (IF) and Demodulation A quadrature image-reject mixer downconverts the RF signal to a 100KHz intermediate frequency (IF) with the RFLO from the frequency synthesizer. The RFLO frequency is between 1737.8 to 1989.9 MHz, and is internally divided by 2 for GSM 850 and E-GSM 900 modes.
  • Page 15 3. TECHNICAL BRIEF (2) Transmitter Part The transmit (Tx) section consists of an I/Q baseband upconverter, and offset phase-locked loop (OPLL) and two output buffers that can drive external power amplifiers (PA), one for the GSM 850 (824-849 MHz) and E-GSM 900 (880-915 MHz) bands and one for the DCS 1800 (1710-1785 MHz) and PCS 1900 (1850-1910MHz) bands.
  • Page 16 3. TECHNICAL BRIEF (3) Frequency Synthesizer Figure 3-4. SI4205 FREQUENCY SYNTHESIZER PART The Aero I transceiver integrates two complete PLLs including VCOs, varactors, resonators, loop filters, reference and VCO dividers, and phase detectors. The RF PLL uses two multiplexed VCOs. The RF1 VCO is used for receive mode, and the RF2 VCO is used for transmit mode.

  • Page 17: Power Amplifier Module

    3. TECHNICAL BRIEF 3.2 Power Amplifier Module (RF3133, U302) The RF3133 is a high-power, high-efficiency power amplifier module with integrated power control. The device is self-contained with 50Ω input and output terminals. The power control function is also incorporated, eliminating the need for directional couplers, detector diodes, power control ASICs and other power control circuitry;...

  • Page 18: 13Mhz Clock

    3. TECHNICAL BRIEF 3.3 13MHz Clock (VCTCXO, X301) The 13 MHz clock(X301) consists of a TCXO(Temperature Compensated Crystal Oscillator) which oscillates at a frequency of 13 MHz. It is used within the Si4205, analog base band chipset (U102, AD6537B), digital base band chipset (U101, AD6525), and MIDI (U401) chipset. VVCXO X301 R317...

  • Page 19: Digital Main Processor

    3. TECHNICAL BRIEF 3.5 Digital Main Processor (AD6525, U101) AD6525 GSM-PROCESSOR JTAGEN KEYPADCOL[4:0] KEYPAD TCK, TMS KEYPADROW[4:0] JTAG Matrix TDI, TDO Backlight BACKLIGHT0 JTAGE, HSL, GPIO Universal Service light USCTX/RX/CLK BACKLIGHT1 System Generic Serial port A Connector Generic Serial port B (USC) Generic Serial port D ROMCS...
  • Page 20 3. TECHNICAL BRIEF • AD6525 is an ADI designed processor. • AD6525 consists of 1. BUS arbitration Subsystem • EBUS, RBUS, PBUS, SBUS, DMABUS, IOBUS 2. DSP Subsystem • ADI DSP, Viterbi coprocessor, Ciphering unit, Cache memory/controller system 3. MCU Subsystem •...
  • Page 21 3. TECHNICAL BRIEF 3.5.1 Interconnection with external devices A. RTC Block Interface Countered by external X-TAL The X-TAL oscillates 32.768KHz B. LCD module interface The LCD module is controlled by DBB chipset, AD6525. When LCD operate, the AD6525 controls the LCD module through LCD_CS, LCD_RESET, ADD01, WR, DATA[00-15].
  • Page 22 3. TECHNICAL BRIEF D. SIM Interface The AD6525 check status periodically in call mode if SIM card is inserted or not, but the AD6525 don't check in deep sleep mode. Interface by SIM_DATA, SIMCLK, SIM_RST(GPIO_23) Table 3-5. SIM CONTROL SIGNALS DISCRIPTION Description This pin receives and sends data to SIM card.
  • Page 23 3. TECHNICAL BRIEF 3.5.2 AD6525 Architecture AD6525 Serial Link Subsystem AD6537B DSP BUS EBUS PBUS DMA and BUS RBUS ARBITRARION SBUS Peripheral SRAM FLASH Subsystem Subsystem ® (ARM7TDMI RF-Control Figure 3-10. AD6525 INTERNAL ARCHITECTURE The internal architecture of AD6525 is shown in Figure 3-10. AD6525 regroups three main subsystems connected together through a dynamic and flexible communication bys network.

  • Page 24: Analog Main & Power Management Processor

    3. TECHNICAL BRIEF 3.6 Analog Main & Power Management Processor (AD6537B, U102) AD6525 AD6526 Figure 3-11. AD6537B FUNCTIONAL BLOCK DIAGRAM - 23 -...
  • Page 25 3. TECHNICAL BRIEF • AD6537B is an ADI designed processor. • AD6537B consists of 1. BB Transmit section • This section generates in-phase and quadrature BB modulated GMSK signals. • Digital GMSK modulator, 10-bit DACs, Reconstruction Filter 2. BB Receive section •...
  • Page 26 3. TECHNICAL BRIEF 3.6.1 Baseband transmit section 1. The AD6537B Baseband Transmit Section is designed to support GMSK for both single- slot and multi-slot application. 2. The transmit channel consists of a digital GMSK modulator, a matched pair of 10-bit DACs and a matched pair of reconstruction filter Figure 3-12.
  • Page 27 3. TECHNICAL BRIEF 3.6.3 Auxiliary Section 1. This section includes an Automatic Frequency Control (AFC) DAC, voltage reference buffers, an Auxiliary ADC, and light controllers. 2. This section also contains AUX ADC and Voltage Reference • AFC DAC: 13 bits •...
  • Page 28 3. TECHNICAL BRIEF 3.6.4 Audio Section 1. Receive audio signal from microphone. C1100 use differential configuration. 2. Send audio signal to speaker. C1100 use differential configuration. 3. This section provides an audio codec with a digital-to-analog converter and an analog-to- digital converter, a ring tone volume controller, a microphone interface, and multiple analog input and output channels.

  • Page 29: Power Management

    3. TECHNICAL BRIEF 3.6.5 Power Management Figure 3-16. AD6537B POWER MANAGEMENT SECTION 1. Power up sequence logic 1. The AD6537B controls power on sequence 2. Power on sequencez - If a battery is inserted, the battery powers the 8 LDOs. - Then if PWRONKEY is detected, the LDOs output turn on.
  • Page 30 3. TECHNICAL BRIEF AD6537B VCORE Enable Digital core THERM Thermal LDO Regulator Shutdown Mode DDLO Enable Memory Interface VMEM UVLO LDO Regulator Mode CHGDET Enable External Interface VEXT VBAT LDO Regulator KEYON Mode VSMEn Enable Control Bit SIM Interface VRTC LDO Regulator Mode DBBON...
  • Page 31 3. TECHNICAL BRIEF Table 3-6. AD6537B LDO DESCRIPTION Description VSIM 2.85V(is provided to SIM card) VCORE 1.8V(is provided to the AD6525 & AD6537B’s digital core) VRTC 1.8V(is provided to the RTC and Backup Battery) VMIC 2.55V(is provided to the AD6525 I/O and used as microphone bias) VTCXO 2.75V(is provided to VCTCXO) VMEM...
  • Page 32 2.2K CLOSE TO EARJACK C196 R181 R141 VIN- R150 R145 VA153 JACK_DET R144 VA154 VIN+ C165 C168 HEADSET JACK C170 C167 TC153 C179 C171 100p 100p U104 R147 330K SP114 SP115 MAX9075EXK-T Figure 3-19. C1100 AUDIO CIRCUIT - 31 -...
  • Page 33 3. TECHNICAL BRIEF VMEM C409 R405 SPKN U402 R406 MAX4684EUB SPKP R407 SPK_REC_N COM2 COM1 R409 C410 C406 C407 Closed to Analog SW SPK_REC_P SPK_RCV_SEL R414 RECP R415 100K R416 RECN C411 C412 Figure 3-20. MAIN RECEIVER CIRCUIT VBAT VCHARGE C140 R162 49.9...

  • Page 34: Memory

    3. TECHNICAL BRIEF 3.7 Memory (TH50VPF5783AASB, U201) Block Diagram Vccf A-1 A0~A21 A-1 A0~A21 DQ0~DQ15 (DQ0~DQ7) WP/ACC 128 Mbits RESET FLASH Memory CEf1 CEf2 RY/BYf BYTE DQ0~DQ15 Vccps A0~A20 328 Mbits PSEUDO SRAM DQ0~DQ15 CE1ps CE2ps Figure 3-22. MEMORY BLOCK DIAGRAM •...

  • Page 35: Display And Interface

    Main LCD Backlight White LED Backlight C1100 Main LCD supports one 65,536 color LCD module. There are the control signals : LCD_CS (This acts as the chip select enable for the LCD Driver), WR, ADD01(RS) and LCD_RESET. DATA[00:15] pins to send data for displaying graphical text onto the LCD.

  • Page 36: Keypad Switches And Scanning

    SP209 SP210 SP211 SP212 SP213 KB18 KB11 KB14 RIGHT SEND KEY_ROW3 SP226 SP227 SP228 SP229 SP230 KB19 KB12 KB15 DOWN CONFIRM KEY_ROW4 SP231 SP232 SP233 SP234 SP235 KEY_COL0 KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL4 Figure 3-24. C1100 KEYPAD CIRCUIT - 35 -...

  • Page 37: Microphone

    3. TECHNICAL BRIEF 3.10 Microphone The microphone is placed to the front cover and contacted to main PCB. The audio signal is passed to AIN1P and AIN1N pins of AD6537B. The voltage supply VMIC is output from AD6537B, and is a bias voltage for the AIN1P. The AIN1P and AIN1N signals are then A/D converted by the Voiceband ADC part of AD6537B.

  • Page 38: Main Receiver

    3. TECHNICAL BRIEF 3.11 Main Receiver The Receiver is driven directly from AD6537B AOUT1P and AOUT1N pins and the gain is controlled by the PGA in an AD6537B. The Receiver is placed in the folder cover and contacted to LCD MODULE Figure 3-26.

  • Page 39: Headset Jack Interface

    3. TECHNICAL BRIEF 3.12 Headset Jack Interface This phone chooses a 3-pole type ear-mic jack which has three electrodes such as Receiver +, Mic+, and GND. This type usually supports only single-ended configuration in the audio path. But most of phones use the common interface. AD6537B AIN2P C151...

  • Page 40: Speaker & Midi Ic

    3. TECHNICAL BRIEF 3.13 Speaker & MIDI IC C1100 don’t use buzzer. but uses the loud speaker and Melody IC which makes the robust joyful melody sounds. • Melody IC control 2GPIO are assigned to control melody IC. Melody data is transferred to melody IC.

  • Page 41: Key Back-Light Illumination

    3. TECHNICAL BRIEF 3.14 Key Back-light Illumination In key back-light illumination, there are 10 blue LEDs on main PCB keypad side , which are driven by LIGHT3 line from AD6537B. R261 RLED GREEN LED R262 GLED R263 R264 RED LED Q201 R225 R226 47K...

  • Page 42: Lcd Back-Light Illumination

    3. TECHNICAL BRIEF 3.15 LCD Back-light Illumination In LCD Back-light illumination, there is an charge pump driver in main PCB, which is controlled by LCD_DIM line from AD6525. LCD MODULE VBAT U203 LCD BACKLIGHT LED C271 C258 C260 C261 C259 LCD_DIM EN_SET IND_LEDG...

  • Page 43: Motor

    3. TECHNICAL BRIEF 3.16 MOTOR The Vibrator is placed in the folder cover and contacted to LCD MODULE. The vibrator is driven from VIBRATOR (GPIO_0) of AD6525. VBAT VBAT R223 R224 R230 220 Q202 R233 1.5K VIBRATOR R234 100K MOTOR EMZ2 C273 4.7u...

  • Page 44: Trouble Shooting

    4. Trouble Shooting 4. TROUBLE SHOOTING 4.1 RX Trouble Test Point RX Check Area Figure 4-1. Checking Flow START HP8922 : Test mode 62 CH, 7 level setting (TCH) 62 CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting 1.Check Regulator Circuit 4.Check Ant SW &...
  • Page 45 4. Trouble Shooting (1) Checking Regulator Circuit Test Points U303. 3 U303. 5 Figure 4-2. Circuit Diagram VBAT MIC5255-2.85BM5 U303 C363 R317 C362 CLKON 0.01u C361 Checking Flow Check Pin 5. Changing the Board RF 2.85V O.K? Pin 3. High ? Regulator Circuit is OK Replace U303 See next Page to check...
  • Page 46 4. Trouble Shooting (2) Checking VCTCXO Circuit Test Points Checking Flow VCTCXO Circuit is OK Check Pin 3. 13 MHzO.K? See next Page to check Refer to Graph 2-1 ANT SW & Mobile SW Check Pin 4. Changing X301 2.75V OK? Refer to Graph 2-2 Check U101, PMIC X301.
  • Page 47 4. Trouble Shooting (3) Checking PLL Control Signal Test Points S_DATA S_CLK S_EN RF_PWR_DWN Figure 4-4. Checking Flow Check RF_PWR_DWN. Download the SW Level is High? Check TP Check if there is Download the SW Similar? Any Major Difference Refer to Graph 3-1 Control Signal is OK See next Page to check ANT SW &...

  • Page 48: Test Points

    4. Trouble Shooting (4) Checking Ant SW & Mobile SW Test Points SW301. ANT SW301. RF L305 (VC2) L306 (VC1) FL301. 1 FL301. 10 Figure 4-5. Waveform Circuit Diagram KMS-507 SW301 C321 C322 0.5p FL301 GND1 GND2 EGSM_TX C325 GND3 DCS_TX GND4 GND5...
  • Page 49 4. Trouble Shooting Checking Flow For these 2 test case, No Call connection is needed Check SW301 Pin ANT,RF Changing SW301 Open with RF Cable connected. Check SW301 Pin ANT,RF Short Changing SW301 with No RF Cable Connected Check L305, L306 VC1 : Low Check whether Ant SW Changing the Board.
  • Page 50 4. Trouble Shooting (5) Checking SAW Filter Circuit Test Points Circuit Diagram FL302 FL303 C351 FL302 C387 L303 27nH B7820 C352 C353 FL303 L304 7.5nH B7821 C354 Figure 4-6. Checking Flow Check RF Level of Changing FL303.1 : ~ -61dBm Saw Filter Input C387for GSM For GSM : FL302.1...
  • Page 51 4. Trouble Shooting (6) Checking RX IQ Test Points Circuit Diagram C342 C343 C343 C342 Figure 4-7. Waveform Graph 4-4. Checking Flow Check C342, C343. Check if there is Replace U301 Similar? Any Major Difference • Refer to Graph 4-4 Redownload the Software And calibrate - 50 -...

  • Page 52: Tx Trouble

    4. Trouble Shooting 4.2 TX Trouble Test Points Figure 4-8. Checking Flow START HP8922 : Test mode 62 CH, 7 level setting (TCH) 62 CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting 1. Check Regulator Circuit 4. Check TX IQ 2.
  • Page 53 4. Trouble Shooting (1) Checking Regulator Circuit Test Points U303. 3 U303. 5 Figure 4-9. Circuit Diagram VBAT MIC5255-2.85BM5 U303 C363 R317 C362 CLKON 0.01u C361 Checking Flow Check Pin 5 . Changing the Board RF 2.85VO.K? Pin 3. High ? Regulator Circuit is OK.
  • Page 54 4. Trouble Shooting (2) Checking VCTCXO Circuit Test Points Checking Flow VCTCXO Circuit is OK See next Page to check 13 MHzO.K? Check Pin 3. ANT SW & Mobile SW • Refer to Graph 2-11 Changing X301 2.75V OK? Check U101,PMIC X301.
  • Page 55 4. Trouble Shooting (3) Checking PLL Control Signal Test Points S_DATA S_CLK S_EN RF_PWR_DWN Figure 4-11. Checking Flow Check RF_PWR_DWN. Download the SW Level is High? Download the SW Similar? Control Signal is OK. See next Page to check ANT SW & Mobile SW Waveform - 54 -...
  • Page 56 4. Trouble Shooting (4) Checking Ant SW & Mobile SW Test Points Circuit Diagram KMS-507 SW301 SW301. RF SW301. ANT C321 C322 0.5p FL301 GND1 GND2 EGSM_TX C325 GND3 DCS_TX GND4 GND5 GND6 EGSM_RX GND7 DCS_RX L305 (VC2) 11 2 SHS-C090DR L306 (VC1) FL301.
  • Page 57 4. Trouble Shooting (5) Checking Ant SW & Mobile SW Checking Flow For the test, TX Stand alone Mode is needed. Refer to chapter 11 (PL=7 for GSM, PL=2 for DCS) Check L305, L306 Check whether Ant SW Check VC1, VC2 Changing board Set as TX mode •...
  • Page 58 4. Trouble Shooting (6) Checking PAM Control Signal Test Points TX_RAMP (R301) PA_EN (R302) Figure 4-13. Waveform Graph 4-8. Checking Flow Check TX_RAMP and PA_EN Check if there is Similar? Download S/W Any Major Difference or not Refer to Graph 5-11 Go to Next Step - 57 -...
  • Page 59 4. Trouble Shooting (7) Checking TX IQ Test Points C342 C343 Figure 4-14. Waveform Graph 4-9. Circuit Diagram C342 C399 C386 C343 RXQN RXIP RXIN TXIP TXIN TXQP TXQN - 58 -...

  • Page 60: Power On Trouble

    4. Trouble Shooting 4.3 Power On Trouble Circuit Diagram Test Points & VSIM VVCXO VMIC VRTC VCORE VMEM VEXT C131 VBAT C132 C134 C133 C135 C136 C137 C195 C149 0.1u C147 C148 R101 C146 For AD6535 & 6537B VBAT VBAT VBAT_NET VRTC R104...
  • Page 61 4. Trouble Shooting Checking Flow START Check Battery Voltage Charge or Change Battery and try again. > 3.35V ? Push power-on key and Check the contact of power-key check the level change of or dome switch. U102 KEYON Check the voltage of the following port at U102 VOORE=1.8V ? VMEM = 1.8 or 2.8V ?

  • Page 62: Charging Trouble

    4. Trouble Shooting 4.4 Charging Trouble Test Points R107 D101 Q103 Figure 4-16. Circuit Diagram VCHARGE VBAT C187 CUS02 Current Sense D101 R107 VCHG ISENSE R108 CLOSE TO BATTERY PACK GATEDRIVE Q103 TPCF8102 - 61 -...
  • Page 63 4. Trouble Shooting Checking Flow SETTING : Connect the battery and the charging adaptor(TA) to the phone START The charging adaptor(TA) is out of order. Voltage at VCHG Change the charging adaptor. of U102 = 5.2V? R107, Q103, D101 Resolder R102, U102, D101. well-soldered? Voltage across Replace D101.

  • Page 64: Lcd Trouble

    4. Trouble Shooting 4.5 LCD Trouble. Checking Flow If the FPCB has a problem, the control signals for LCD cannot be transmitted properly. Connection Check Figure 4-17.(a) Figure 4-17.(b) CN201 Figure 4-17.(c) - 63 -...
  • Page 65 4. Trouble Shooting Checking Flow START Is the connection of LCD Reassemble LCD module with LCD connector. module with LCD connector on PCB OK? Check the soldering of CN201 Resolder CN201. Check the soldering of Resolder connector. Connector at LCD module. At LCD module Change the FPCB and try again.

  • Page 66: Receiver Trouble

    4. Trouble Shooting 4.6 Receiver Trouble Test Points Speaker vibrator U401 Receiver U402 C412 R414 Soldering check R416 C411 Figure 4-18. Circuit Diagram VMEM C409 R405 SPKN AD6537B U402 R406 MAX4684EUB SPKP R407 SPK_REC_N COM2 SPK path MIDI COM1 R409 C410 C406 C407...
  • Page 67 4. Trouble Shooting Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Check the signal level of Replace the Main board. Check the soldering RCVP & RCVN at R414, R416. Are ABB is out of order. R414 &...

  • Page 68: Speaker Trouble

    4. Trouble Shooting 4.7 Speaker Trouble Test Points Speaker vibrator CN201 U401 C410 R404 C417 C404 Soldering check R420 C405 Figure 4-19. Circuit Diagram These five components make up the amplifier and the filter stage of melody. [C404 R402 C405 R404 R417] VMEM U401 YMU759B...
  • Page 69 4. Trouble Shooting Checking Flow SETTING : Connect PIF to the phone, and Power on. Enter the engineering mode, and set "Melody on" at Buzzer of BB test menu. START Replace U102 Voltage across C408 Check the soldering of ( ABB LDO) = 3.3 V? R410 Re-soldering...

  • Page 70: Mic Trouble

    4. Trouble Shooting 4.8 Mic Trouble Test Points C160 R132 Soldering R128 check C193 MIC101 R127 R126 Figure 4-20. Circuit Diagram VMIC R126 TC151 C193 R127 2.2K The signal flow of the microphone to ABB MIC101 R128 CLOSE TO MIC C163 OB4-15L42-C33L VA151...
  • Page 71 4. Trouble Shooting Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Voltage VMIC of Voltage across C193 Replace U102. U102 = 2.5VDC? = 2.5VDC? MIC Bias Voltage Resolder R126 & R127. Check the signal level Replace the microphone, MIC101.

  • Page 72: Vibrator Trouble

    4. Trouble Shooting 4.9 Vibrator Trouble Test Points Q202 Vibrator Vibrator Soldering Check block in LCD Module Figure 4-21.(b) Figure 4-21.(a) Circuit Diagram VBAT VBAT R223 R224 When the vibrator works, the R230 220 Q202 signal at this point goes H R233 1.5K VIBRATOR...
  • Page 73 4. Trouble Shooting Checking Flow SETTING : After Initialize Agilent 8960, Test in EGSM, Connect PIF to the phone, and Power on. Enter The engineering mode, and set ’Vibrator on’ at Vibration of BB test menu. START Is the voltage Check the at pin6 of Q202 Resolder R223.

  • Page 74: Key Backlight Led Trouble

    4. Trouble Shooting 4.10 Key Backlight LED Trouble Test Points Circuit Diagram LIGHT3 port of VBAT R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 LD111 LD112 LD113 LD114 LD115 LD116 LD117 LD118 LD119 LD120 SP102 SP103 SP104 SP105 SP106 SP107 SP108...

  • Page 75: Folder On/Off Trouble

    4. Trouble Shooting 4.11 Folder on/off Trouble Test Points U103 C111 R142 C112 Figure 4-23. Circuit Diagram VEXT R142 51K The voltage at this point C112 FOLDER SWITCH goes from 2.8V to 0 V when the folder is closed. 0.1u PGND GND1 GND2...
  • Page 76 4. Trouble Shooting Checking Flow START Check the magnet Place the magnet properly. in the folder side. Voltage at Pin 6 Voltage VEXT1 of U102 of U103 = 2.8V ? = 2.8V? Resolder U103. Replace U102. Open Folder. Resolder R142 & U103. Voltage at Pin 1 of U103 = 2.8V ? Close Folder or...

  • Page 77: Sim Detect Trouble

    4. Trouble Shooting 4.12 SIM Detect Trouble SETTING : Insert SIM into J101, connect PIF to the Phone, and Power on. Test Points Circuit Diagram VSIM C117 0.1u VSIM C115 J101 220n GND1 SIM_DATA GND5 GND2 VA165 GND4 GND3 C116 GCA261-6S 1000p PIN1...

  • Page 78: Earphone Trouble

    4. Trouble Shooting 4.13 Earphone Trouble Test Points J102 R181 C167 R154 R159 R153 R156 C123 R158 Figure 4-25.(a) Figure 4-25.(b) Circuit Diagram AIN2P The direction of the audio VMEM VMIC SWITCHING signal from the ear-mic When Jack is activated R148 VMEM VMIC...
  • Page 79 4. Trouble Shooting Checking Flow START Insert the earphone to the phone. Earphone detect problem Does the audio profile of the phone change to the earphone mode? Audio path problem Set the audio part of the test equipment to echo mode. Set the audio part of the test Earphone receiving path equipment to PRBS or...
  • Page 80 4. Trouble Shooting Earphone detect problem Earphone detect problem Voltage at Pin1 of Voltage at R150 U104 = 2.8V ? = 2.8V ? Resolder R150. Voltage at Pin 3 Resolder R145, R147, R144 of U104> Voltage at Pin 4 of U104? Resolder or replace U104.

  • Page 81: Indicator Led Trouble

    4. Trouble Shooting 4.14 Indicator LED Trouble Test Points R225 R229 Q201 R226 R227 R264 R262 Figure 4-26. Circuit Diagram CN201 21 22 R261 RLED GREEN LED R262 GLED R263 R264 RED LED Q201 R225 R226 47K RED_LED R227 R223 17K UMX1NTN Checking Flow START...

  • Page 82: Rtc Trouble

    5. DISASSEMBLY INSTRUCTION 4.15 RTC Trouble Test Points X101 Figure 4-27. R123 Circuit Diagram X1U1 R123 OSCOUT OSCIN 32.768KHz MC_146 Checking Flow START Is the voltage level at R123 Check the soldering of R123. about 1.8V? Replace X101 and try again. BACKLIGHT WILL WORK PROPERLY.

  • Page 83: Disassembly Instruction

    5. DISASSEMBLY INSTRUCTION 5. DISASSEMBLY INSTRUCTION 5.1 Disassembly 1. Remove the Battery and Screws as shown below. Figure 5-1. Figure 5-2. - 82 -...
  • Page 84 5. DISASSEMBLY INSTRUCTION Figure 5-3. - 83 -...
  • Page 85 5. DISASSEMBLY INSTRUCTION Figure 5-4. - 84 -...
  • Page 86 5. DISASSEMBLY INSTRUCTION Figure 5-5. Figure 5-6. - 85 -...
  • Page 87 5. DISASSEMBLY INSTRUCTION Figure 5-7. Figure 5-8. - 86 -...
  • Page 88 5. DISASSEMBLY INSTRUCTION Figure 5-9. - 87 -...
  • Page 89 5. DISASSEMBLY INSTRUCTION Figure 5-10. Figure 5-11. - 88 -...
  • Page 90 5. DISASSEMBLY INSTRUCTION Figure 5-12. - 89 -...

  • Page 91: Download And Calibration

    6. DOWNLOAD AND CALIBRATION 6. DOWNLOAD AND CALIBRATION 6.1 Download A. Download Setup Figure 6-1 describes Download setup. UART Figure 6-1. Download Setup - 90 -...
  • Page 92 6. DOWNLOAD AND CALIBRATION B. Download Procedure 1. Access Flash loader program in PC and select Erase. (Don’t check OWCD) 1. Select Erase 2. Check 3. Don’t Check OWCD 2. Press Start and Wait until Erase is completed. 1. Press Start and Wait - 91 -...
  • Page 93 6. DOWNLOAD AND CALIBRATION 3. Change Address and Size(Address : 18000000, Size : 0x800000), and Press Start and Wait until Erase is completed again. 1. Change Address and Size 2. Don’t Check 3. Press Start and OWCD Wait 4. Press Write to start Download and press Key to choose software (AlchemyData.mot) 1.
  • Page 94 6. DOWNLOAD AND CALIBRATION 5. Choose software 1. Select File 2. Press Open 6. Wait until converting from MOT to BIF is completed (Don’t check OWCD) 2. Wait until completion 1. Don’t Check OWCD - 93 -...
  • Page 95 6. DOWNLOAD AND CALIBRATION 7. Press Start and Power on the phone using JIG remote Power on (Switch 1) 8. Wait until Sending Block is completed - 94 -...
  • Page 96 6. DOWNLOAD AND CALIBRATION 9. Press Write to start Download and press Key to choose software (CodeData.mot) 10. Choose software - 95 -...

  • Page 97: Bottom

    6. DOWNLOAD AND CALIBRATION 11. Wait until Sending Block is completed 1. Wait Until Sending Block is completed - 96 -...

  • Page 98: Calibration

    6. DOWNLOAD AND CALIBRATION 6.2 Calibration A. Equipment List Table 6-1. Calibration Equipment List Equipment for Calibration Type/Model Brand Wireless Communication Test Set HP-8960 Agilent RS-232 Cable and Test JIG RF Cable Power Supply HP-66311B Agilent GPIB interface card HP-GPIB Agilent Calibration &...
  • Page 99 6. DOWNLOAD AND CALIBRATION Figure 6-3. The top view of Test JIG C. Test Jig Operation Table 6-2. Jig Power Power Source Description Power Supply usually 4.0V Travel Adaptor Use TA, name is TA-20G (24pin) Table 6-3. Jig DIP Switch Switch Number Name Description...
  • Page 100 6. DOWNLOAD AND CALIBRATION 1. Connect as Fig 6-2 (RS232 serial cable is connected between COM port of PC and MON port of TEST JIG, in general) 2. Set the Power Supply 4.0V 3. Set the 3 rd , 4 th of DIP SW ON state always 4.

  • Page 101: Block Diagram

    7. BLOCK DIAGRAM 7. BLOCK DIAGRAM Speaker & Motor Receiver LCD Panel 128X128 Connector Indicate LED Backup (2 Color) Battery Board to Board Connector Ear Jack Connector YNU763 MIDI (AD6537B) Charging (AD6525) Connector Flash Memory Battery IO Connector - 100 -...

  • Page 102: Circuit Diagram

    KEY_COL0 KEYPADCOL0 KEY_COL1 KEYPADCOL1 VSIM KEY_COL2 KEYPADCOL2 KEY_COL3 KEYPADCOL3 Section Date Sign & Name KEY_COL4 KEYPADCOL4 Sheet/Sheets VEXT MODEL C1100 (GB-1E) 02/25 Designer PARK S.J. C117 2004 R151 0.1u VSIM 100K C115 J101 02/25 KIM Y. T. Checked 220n MIDI_SEL...
  • Page 103 SEND AVL14K02200 KEY_ROW3 SP226 SP227 SP228 SP229 SP230 KB19 KB12 KB15 Section Date Sign & Name Sheet/Sheets MODEL C1100 (GB-1E) DOWN CONFIRM 02/25 Designer PARK S. J. KEY_ROW4 2004 SP231 SP232 SP233 SP234 SP235 02/25 KIM S. K. Checked 2004 KIM Y.
  • Page 104 U303 R316 C363 R317 C362 RF_TEMP CLKON 0.01u Section Date Sign & Name Sheet/Sheets R319 C361 MODEL C1100 (GB-1E) 02/25 Designer SEO D. H. 2004 02/25 RF BOARD TEMPERATURE Checked KIM S. C. 2004 DRAWING RF(AERO1) NAME 02/25 Approved CHO B.K.
  • Page 105 R403 SPVSS RECP R415 100K R412 (16 Poly MIDI) R416 RECN C411 C412 Section Date Sign & Name Sheet/Sheets C1100 (GB-1E) MODEL 02/25 Designer PARK S.J. 2004 02/25 KIM Y. T. Checked 2004 KIM S.K. DRAWING MIDI NAME 02/25 Approved CHO B.K.

  • Page 106: Pcb Layout

    9. PCB LAYOUT 9. PCB LAYOUT - 105 -...
  • Page 107 9. PCB LAYOUT - 106 -...

  • Page 108: Engineering Mode

    10. ENGINEERING MODE 10. ENGINEERING MODE A. About Engineering Mode Engineering mode is designed to allow a service man/engineer to view and test the basic functions provided by a handset. B. Access Codes The key sequence for switching the engineering mode on is 2945#*#. Pressing END will switch back to non-engineering mode operation.
  • Page 109 10. ENGINEERING MODE 10.1 BB Test [MENU 1] Baseband Test 10.1.1 LCD • Contrast value : This menu is to test Main LCD contrast. - Contrast Value [10-50] : Change this value by up and down key. • Sub LCD Contrast : This menu is to test Sub LCD contrast. - Contrast Value [0-50] : Change this value by up and down key.

  • Page 110: Rf Test

    10. ENGINEERING MODE 10.1.7 Audio This is a menu for setting the control register of Voiceband Baseband Codec chip. Although the actual value can be written over, it returns to default value after switching off and on the phone. • VbControl1 : VbControl1 bit Register Value Setting •...

  • Page 111: Trace Optiont

    10. ENGINEERING MODE 10.3.5 Vibrator Main LCD screen resolution tests horizontally and vertically one by one and fills the screen. 10.3.6 LCD When a pop-up message shows ‘Press Any Key’, you may press any keys including side keys, but not [Soft2 Key]. If the key is working properly, name of the key is displayed on the screen.

  • Page 112: Stand Alone Test

    11. STAND ALONE TEST 11. STAND ALONE TEST 11.1 Introduction This manual explains how to examine the status of RX and TX of the model. A. Tx Test TX test - this is to see if the transmitter of the phones is activating normally. B.

  • Page 113: Hw Test : Software For Standalone Test Setup

    11. STAND ALONE TEST 11.3 HW Test : Software for Standalone Test Setup a. Select a COM port b. Set the values in Tx or Rx c. Select band and channel d. After setting them all above, press connect button. e.
  • Page 114 11. STAND ALONE TEST Figure 11-1. HW test program Figure 11-1. HW test program - 113 -...

  • Page 115: Auto Calibration

    12. AUTO CALIBRATION 12. AUTO CALIBRATION 12.1 Overview Autocal (Auto Calibration) is the PC side Calibration tool that perform Tx ,Rx and Battery Calibration with Agilent 8960(GSM call setting instrument) and Tektronix PS2521G(Programmable power supply). Autocal generate calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone.
  • Page 116 12. AUTO CALIBRATION Figure 12-1. Equipment Setup Screen Cable loss : Enter the RF cable loss GSM and DCS Screen GPIB(Primary address) : Enter the SS(Ag8960) and PS(Tektronix PS2521G) GPIB address Screen ADC Channel : Default ADC Calibration Channel Screen Auto Calibration Item : Default Calibration Settings about Tx, Rx, ADC and write BIN file...

  • Page 117: Agc

    12. AUTO CALIBRATION 12.4 AGC This procedure is for Rx calibration. In this procedure, We can get RSSI correction value. Set band EGSM and press Start button the result window will show correction values per every power level and gain code and the same measure is performed per every frequency.

  • Page 118: Exploded View & Replacement Part List

    13. EXPLODED VIEW & REPLACEMENT PART LIST 13. EXPLODED VIEW & REPLACEMENT PART LIST 13.1 EXPLODED VIEW - 117 -...
  • Page 119 Note. - 118 -...

  • Page 120: Replacement Parts

    C1300 CGRSV 11 X 2.8 X 0.4t Gold MGAD01 GASKET,SHIELD FORM MGAD0049001 C1300 CGRSV 6.5 X 2.8 X 0.35t Gold MGAD02 GASKET,SHIELD FORM MGAD0049301 C1100 ORUSV 9 X 2.5 X 0.45t Gold MLEA00 LOCKER,BATTERY MLEA0015201 C1300 CGRSV Silver MPBH00 PAD,MIKE MPBH0007501 C1300 CGRSV 3.2 PI 1.0t...

  • Page 121: Main Component

    3 V,0.08 A,12*15 ,G5300 VIBRATOR (0.5t PAD) SUSY00 SPEAKER SUSY0006207 ASSY ,8 ohm,92 dB,17 mm,5T SVLY00 SVLY0018801 SAFY00 PCB ASSY,MAIN SAFY0097701 C1100 EUASV MLAB LABEL,A/S MLAB0000601 HUMIDITY STICKER MLAC00 LABEL,BARCODE MLAC0003301 EZ LOOKS(use for PCB ASSY MAIN(hardware)) SAFA00 PCB ASSY,MAIN,AUTO...
  • Page 122 13. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Specification Color Remark C179 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C181 CAP,CERAMIC,CHIP ECCH0000276 1 uF,10V,Z,Y5V,HD,1608,R/TP C182 CAP,CERAMIC,CHIP ECCH0000167 0.1 uF,6.3V,K,X5R,HD,1005,R/TP C183 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C184 CAP,CERAMIC,CHIP ECCH0000276 1 uF,10V,Z,Y5V,HD,1608,R/TP C185 CAP,CERAMIC,CHIP ECCH0000165...
  • Page 123 13. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Specification Color Remark C273 CAP,CERAMIC,CHIP ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C274 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C275 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C276 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C277 CAP,CERAMIC,CHIP ECCH0000115...
  • Page 124 13. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Specification Color Remark J101 CONN,SOCKET ENSY0007607 6 PIN,ETC ,BRIDGE NON PROTECTOR TYPE ,2.54 mm,3.0T J102 CONN,JACK/PLUG, EARPHONE ENJE0002301 3,5 PIN,G7000 EAR JACK 3 pole, 5 pin KSD L301 INDUCTOR,CHIP ELCH0001004...
  • Page 125 13. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Specification Color Remark R164 RES,CHIP ERHY0000241 1K ohm,1/16W,J,1005,R/TP R165 RES,CHIP ERHY0000280 100K ohm,1/16W,J,1005,R/TP R181 RES,CHIP ERHY0000202 4.7 ohm,1/16W,J,1005,R/TP R201 RES,CHIP ERHY0000239 820 ohm,1/16W,J,1005,R/TP R202 RES,CHIP ERHY0000239 820 ohm,1/16W,J,1005,R/TP R203 RES,CHIP ERHY0000239...
  • Page 126 13. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Specification Color Remark R316 RES,CHIP ERHY0000125 10K ohm,1/16W,F,1005,R/TP R317 RES,CHIP ERHY0000201 0 ohm,1/16W,J,1005,R/TP R319 THERMISTOR SETY0001201 NTC ,22 Kohm,SMD ,1.0*0.5 / NSM4 SERIES R401 RES,CHIP ERHY0000201 0 ohm,1/16W,J,1005,R/TP R402 RES,CHIP ERHY0000271...

  • Page 127: Accessory

    Location No. Description Part Number Specification Color Remark SBPL00 BATTERY PACK,LI-ION SBPL0072128 3.7 V,760 mAh,1 CELL,PRISMATIC ,C1100 BATTERY(SV) Silver SGEY00 EAR PHONE/EAR MIKE SET SGEY0003203 G4050 G4010 For USA ,3 POLE Design change SSAD00 ADAPTOR,AC-DC SSAD0007835 FREE ,50 Hz,5.2 V,800 mA,CE,CB ,UK(IO.24P)

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