LG C2100 Service Manual
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LG C2100 Service Manual

LG C2100 Service Manual

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Service Manual
C2100
P/N : MMBD0048201
Date: April, 2005 / Issue 1.0

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  • Page 1 Service Manual C2100 P/N : MMBD0048201 Date: April, 2005 / Issue 1.0...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION ......5 4.7 MIC Trouble .......... 71 4.8 SIM Card Interface Trouble....73 1.1 Purpose........... 5 4.9 Earphone Trouble ......... 75 1.2 Regulatory Information......5 4.10 KEY backlight Trouble ......77 1.3 Abbreviations .......... 7 4.11 Receiver Trouble.........
  • Page 3 11.2 Requirements........115 11.3 Menu and Settings ......115 11.4 AGC ..........116 11.5 APC........... 116 11.6 ADC ..........117 11.7 Setting..........117 11.8 How to do calibration ......117 12. EXPLODED VIEW & REPLACEMENT PART LIST ... 119 12.1 EXPLODED VIEW ......119 12.2 Replacement Parts <Mechanic component>....

  • Page 4: 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 5 1. INTRODUCTION E. Notice of Radiated Emissions This 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. F.

  • Page 6: Abbreviations

    1. INTRODUCTION 1.3 Abbreviations For the purposes of this manual, following abbreviations apply: Automatic Power Control Baseband Bit Error Ratio CC-CV Constant Current - Constant Voltage Digital to Analog Converter Digital Communication System dB relative to 1 milliwatt Digital Signal Processing EEPROM Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge...
  • Page 7 1. INTRODUCTION 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 - 8 -...

  • Page 8: Performance

    2. PERFORMANCE 2. PERFORMANCE 2.1 H/W Features Item Feature Comment Li-ion, 1000mAh Standard Battery Battery Size : 34.15 (W) x 53.55(H) x 5.7(T) [mm] Battery Weight : 25g Under the minimum current consumption Stand by Current environment (such as paging period 9), the level of standby current is below 4mA.

  • Page 9: 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 10 2. PERFORMANCE Item Description Specification GSM, EGSM Offset from Carrier (kHz). Max. dBc +0.5 600 ~ 1,200 1,200 ~ 1,800 1,800 ~ 3,000 3,000 ~ 6,000 Output RF Spectrum 6,000 (due to modulation) Offset from Carrier (kHz). Max. dBc +0.5 600 ~ 1,200 1,200 ~ 1,800 1,800 ~ 3,000...
  • Page 11 2. PERFORMANCE Item Description Specification Offset from Carrier (kHz) Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Spurious Emissions Conduction, Emission Status GSM, EGSM BER (Class II) < 2.439% @-102dBm Bit Error Ratio BER (Class II) < 2.439% @-100dBm Rx Level Report Accuracy 3 dB 8 3 dB...
  • Page 12 2. PERFORMANCE Item Description Specification STMR 13 5 dB Stability Margin > 6 dB dB to ARL (dB) Level Ratio (dB) 17.5 22.5 30.7 Distortion 33.3 33.7 31.7 25.5 Side Tone Distortion Three stage distortion < 10% System frequency (13 MHz) tolerance 32.768KHz tolerance 30ppm At least 65 dBspl under below conditions:...
  • Page 13 2. PERFORMANCE Item Description Specification Forced shut down Voltage 3.35 0.03 V 1 Li-ion Battery Standard Voltage = 3.7 V Battery Type Battery full charge voltage = 4.2 V Capacity: 1000mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60Hz Out put: 5.2V, 800mA - 14 -...

  • Page 14: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF RF PARTS 3.1 Transceiver (SI4205, U505) 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 15 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 super-heterodyne architectures. A.
  • Page 16 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 17 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 18 3. TECHNICAL BRIEF B. OPLL The OPLL consists of a feedback mixer, a phase detector, a loop filter, and a fully integrated TXVCO. The TXVCO is centered between the DCS 1800 and PCS 1900 bands, and its output is divided by 2 for the GSM 850 and E-GSM 900 bands.
  • Page 19 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 20: Power Amplifier Module (Sky77325, U501)

    3. TECHNICAL BRIEF 3.2 Power Amplifier Module (SKY77325, U501) The SKY77325 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. The module consists of separate GSM850/900 PA and DCS1800/PCS1900 PA blocks, impedance- matching circuitry for 50 Ω...

  • Page 21: 26 Mhz Clock (Vctcxo, X500)

    3. TECHNICAL BRIEF 3.3 26 MHz Clock (VCTCXO, X500) The 26 MHz clock(X500) consists of a TCXO(Temperature Compensated Crystal Oscillator) which oscillates at a frequency of 26 MHz. It is used within the Si4205, digital base band chipset (U101, AD6527) Figure 3-6 VCTCXO CIRCUIT DIAGRAM 2V75_VVCXO C528...

  • Page 22: Digital Main Processor (Ad6527, U101)

    3. TECHNICAL BRIEF BASEBAND PARTS 3.5 Digital Main Processor (AD6527, U101) Figure 3-8. SYSTEM INTERCONECTION OF AD6527 EXTERNAL INTERFACE AD6527/AD6527B GSM-PROCESSOR JTAGEN KEYPADCOL[7:0] Keypad KEYPADROW[7:0] TCK,TMS JTAG Matrix TDI,TDO BACKLIGHT[3.0] Backlight/ JTAG,HSL,GPIO Service Light Universal Servicelight USCTX/RX/CLK System Enhanced Generic Serial Port A Connector Generic Serial Port B Generic Serial Port D...
  • Page 23 3. TECHNICAL BRIEF • AD6527 is an ADI designed processor. • AD6527 consists of 1. Control Processor Subsystem • 32-bit ARM7TDMI Control Processor • 58.5 MHz operation at 1.7V • On-board 16KB instruction/Data Cache • 1 Mbits of on-chip System SRAM 2.
  • Page 24 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, AD6527. When LCD operate, the AD6527 controls the LCD module through _LCD_CS (L_MAIN_LCD_CS), _SUB_CS (L_SUB_LCD_CS), LCD_RESET, ADD01(LCD_RS), _WR(LCD_WR), _RD(LCD_RD), L_DATA[15-00], 2V85_VCAM, IF_MODE, LCD_ID[1:3].
  • Page 25 3. TECHNICAL BRIEF The backlight of LCD module is controlled by DBB via AAT2807, U402. The control signals related to Backlight LED are given bellow. Table 3-4. DESCRIPTION OF LCD BACKLIGHT LED CONTROL Signals Description C_FLASH Control flash ON and OFF (GPIO_24) LCD_DIM_CTL Control LCD backlight level in 16 steps...
  • Page 26 3. TECHNICAL BRIEF D. SIM interface The AD6527 provides SIM Interface Module. The AD6527 checks status periodically during established call mode whether SIM card is inserted or not, but it doesn’t check during deep Sleep mode. In order to communicate with SIM card, 3 signals SIM_DATA, SIM_CLK, SIM_RST(GPIO_23) are required.
  • Page 27 3. TECHNICAL BRIEF 3.5.2 AD6527 Architecture Figure 3-10. AD6527 Architecture AD6527/AD6527B AD6527/AD6527B AS6535 AS6535 SErial Link SErial Link Audio Baseband Audio Baseband Subststem Subststem and Power and Power Management Management DSP BUS DSP BUS EBUS EBUS PBUS PBUS DMA and BUS DMA and BUS PBUS 1M PBUS 1M...

  • Page 28: Analog Main & Power Management Processor (Ad6537B, U102)

    3. TECHNICAL BRIEF 3.6 Analog Main & Power Management Processor (AD6537B, U102) Figure 3-11. AD6537B FUNCTIONAL BLOCK DIAGRAM AD7527 - 29 -...
  • Page 29 3. TECHNICAL BRIEF • AD6537B is an ADI designed Analog Baseband processor. AD6537B covers the processing GMSK modulation interface, Aux ADC, Voice signal processing and Power Management. • AD6537B consists of 1. BB Transmit section • GMSK Modulation • I-channel & Q-channel Transmit DACs and Filters •...
  • Page 30 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.
  • Page 31 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. • AFC DAC: 13 bits 2. This section also contains AUX ADC and Voltage Reference • IDAC: 10 bits •...
  • Page 32 3. TECHNICAL BRIEF 3.6.4 Audio Section 1. Receive audio signal from microphone. This model uses differential configuration. 2. Send audio signal to speaker. This model uses 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 33: 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 sequence - If a battery is inserted, the battery powers the 8 LDOs. - Then if PWRONKEY is detected, the LDOs output turn on.
  • Page 34 3. TECHNICAL BRIEF Figure 3-17. AD6537B POWER MODE LOGIC 2. LDO Block 1. There are 8 LDOs in the AD6537B. - VCORE : supplies Digital baseband Processor core and AD6537B digital core (1.8V, 80mA) - VMEM : supplies external memory and the interface to the external memory on the digital baseband processor (1,8V or 2.8V, 150mA) - VEXT : supplies Radio digital interface and high voltage interface (2.8V, 170mA) - VSIM : supplies the SIM interface circuitry on the digital processor and SIM card (1.8V or 2.85V,...
  • Page 35 3. TECHNICAL BRIEF 3. Battery Charging Block 1. It can be used to charge Lithium Ion and/or Nickel Metal Hydride batteries. Charger initialization, trickle charging, and Li-Ion charging control are implemented in hardware. 2. Charging Process - Check charger is inserted or not - If AD6537B detects that Charger is inserted, the CC-CV charging starts.
  • Page 36 3. TECHNICAL BRIEF Figure 3-19. C2100 HEADSET AUDIO CIRCUIT (AD6537B) AIN3L AIN3R AIN2P AUXIP AIN2N AUXIN AIN1P VINNORP AIN1N VINNORN From Headset NC_R12 Microphone C130 C131 C132 C133 CLOSE TO AD6537B R111 AOUT1P RCV_P C136 AOUT1N AOUT2P1 SPKP_P R113 RCV_N...
  • Page 37 3. TECHNICAL BRIEF Figure 3-21. CIRCUIT FOR BATTERY CHARGING AT AD6537B NORMAL NC_T15 VBAT CHARGING NC_R1 VMEMSEL VCHARGE GND_NET1 NC_G16 4.7u C143 NC_B7 C126 (2012) (1%) NC_B5 D102 VBATSENSE CUS02 VCHG ISENSE R108 GATEDRIVE Q100 TPCF8102 VCHARGE VBAT VCHARGE ERHZ0000757 C216 R217 Pre-CHARGING...

  • Page 38: Display And Interface

    3. TECHNICAL BRIEF 3.7 Display and Interface • Main LCD Properties Spec. Unit Active Screen Size 28.022(H) X 35.03(V) Color Depth 65,000 colors Resolution 128 X RGB X 160 dots Pixel Size 0.063(H) X 0.209(V) • Sub LCD Properties Spec. Unit Active Screen Size 18.902(H) X 13.43(V)
  • Page 39 3. TECHNICAL BRIEF Figure 3-23. LCD INTERFACE CIRCUIT - 40 -...

  • Page 40: Keypad Switches And Scanning

    3. TECHNICAL BRIEF 3.8 Keypad Switches and Scanning The key switches are metal domes, which make contact between two concentric pads on the keypad layer of the PCB when pressed. There are 27 switches (Normal Key 24EA, Torch side key, Volume up down side key), connected in a matrix of 5 rows by 5 columns and additional GPIO 35 for KEY_ROW5, as shown in Figure 3-24, except for the power switch (KB1), which is connected independently.

  • Page 41: Microphone

    3.10 Main Speaker In the case of C2100 , there are 3 different speakers. One is main speaker for the received voice, the other is loud speaker for playback of ring tone , key tone and other MIDI sounds and another is headset speaker.

  • Page 42: Headset Interface

    3. TECHNICAL BRIEF 3.11 Headset Interface This phone chooses a 5 pin type headset which has 6 electrodes such as GND, AUXIP, AUXIN (this pin is floating), AUXOP, JACK_DETECT, HOOK_DETECT. This type supports mono sound. Switching from Receiver to Headset Jack If jack is inserted, JACK_DETECT goes from low to high.

  • Page 43: Key Back-Light Illumination

    3. TECHNICAL BRIEF 3.12 Key Back-light Illumination In key back-light illumination, there are 12 Blue LEDs in Main Board, which are driven by KEY_BACKLIGHT signal from AD6527. Figure 3-30. KEY BACK-LIGHT ILLUMINTION VBAT VBAT KEY BACKLIGHT Q301 R390 KEY_BACKLIGHT IMX9T110 - 44 -...

  • Page 44: Lcd Back-Light Illumination

    3. TECHNICAL BRIEF 3.13 LCD Back-light Illumination LCD backlight LEDs is controlled by DBB via AAT2807, U402. Figure 3-31. MAIN LCD BACKLIGHT ILLUMINATION WHITE/FLASH LED LDO VBAT R409 FB400 VOUT_FL FLASH_LED 2V8_VEXT FB403 C406 VOUT_BL MLED U402 AAT2807AIXN-4.5 R414 PGND R410 C_FLASH EN_FLSH...

  • Page 45: Vibrator

    3. TECHNICAL BRIEF 3.14 VIBRATOR The vibrator is placed in the folder cover and contacted to LCD MODULE. The vibrator is driven from VIBRATOR (GPIO_3) of AD6527. Figure 3-32. MOTOR VBAT R351 VBAT R350 R352 Q300 VIBRATOR R353 1.5K VIBRATOR R354 MOTOR 7.5K...

  • Page 46: Troubleshooting

    4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.1 RX Trouble Test Points FL500 SW500 U501 X500 U505 U503 Figure 4-1(a) - 47 -...
  • Page 47 4. TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check regulator circuit Check VCTCXO Check ANT SW & Mobile SW Check SAW filter circuit Check RX IQ Redownload SW or...
  • Page 48 4. TROUBLE SHOOTING (1) Checking Regulator Circuit Test Points U503. 3 U503. 5 Figure 4-2 Circuit Diagram RF_LDO VBAT RF2.85V U503 CLKON C536 C535 C529 4.7u MIC5255-2.85BM5 4.7u (1608) (1608) Checking Flow Voltage at Level at Change main board Pin5 of U503 Pin3 of U503 Is 2.85V? Is high?
  • Page 49 4. TROUBLE SHOOTING (2) Checking VCTCXO Circuit Test Points Checking Flow Figure 4-3 VCTCXO Circuit is OK VCTCXO Circuit is OK Check Pin 3. 26 MHzO.K? See next Page to check See next Page to check Refer to Graph 4-1(b) X500.
  • Page 50 4. TROUBLE SHOOTING (3) Checking Ant SW & Mobile SW Test Points SW500. RF FL500. 1 FL500. 10 Circuit Diagram C537 (VC1) C531 (VC2) Figure 4-4 ANT500 ANT501 ANT502 C500 1.2p Waveform L510 3.3nH L500 22nH SW500 ENWY0002201 C508 FL500 GND1 GND2 EGSM_TX...
  • Page 51 4. TROUBLE SHOOTING Checking Flow For these 2 test case, No Call connection is needed Check SW500 Pin ANT,RF Changing SW500 Open with RF Cable connected. Check SW500 Pin ANT,RF Short Changing SW500 with No RF Cable Connected Check C537,C531 VC1 :Low Changing the Board.
  • Page 52 4. TROUBLE SHOOTING (4) Checking SAW Filter Circuit Test Points Circuit Diagram C513 L501 FL401 27nH EFCH942MTCA7 FL401 FL402 C518 C521 L503 FL402 6.8nH EFCH1842TCA7 C522 Figure 4-5 Checking Flow Changing FL401 Check RF Level of FL401.3: ~ -64dBm for GSM, FL402 Soldering is Saw Filter Input FL402.3: ~ -64dBm...
  • Page 53 4. TROUBLE SHOOTING (5) Checking RX IQ Test Points Circuit Diagram C526 C519 U505 RXQN U505 RXIP SI4205 RXIN C519 C526 Figure 4-7 Figure 4-6 Waveform Graph 4-3 Checking Flow Check C519,C526. Check if there is any Similar? Replace U505 Major difference Refer to graph 4-4 Redownload software and calibration again...

  • Page 54: Tx Trouble

    4. TROUBLE SHOOTING 4.2 TX Trouble Test Points FL500 SW500 U501 X500 U505 U503 Figure 4-7 - 55 -...
  • Page 55 4. TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check regulator circuit Check VCTCXO Check ANT SW & Mobile SW Check PAM control signal Check TX IQ Redownload SW or...
  • Page 56 4. TROUBLE SHOOTING (1) Checking Regulator Circuit Test Points U503. 3 U503. 5 Figure 4-8 Circuit Diagram RF_LDO VBAT RF2.85V U503 CLKON C536 C535 C529 4.7u MIC5255-2.85BM5 4.7u (1608) (1608) Checking Flow Voltage at Level at Change main board Pin5 of U503 Pin3 of U503 Is 2.85V? Is high?
  • Page 57 4. TROUBLE SHOOTING (2) Checking VCTCXO Circuit Test Points Checking Flow X500. 4 VCTCXO Circuit is OK VCTCXO Circuit is OK Check Pin 3. 26 MHzO.K? See next Page to check See next Page to check Refer to Graph 4-4(b) ANT SW &...
  • Page 58 4. TROUBLE SHOOTING (3) Checking Ant SW & Mobile SW Test Points SW500. RF FL500. 1 FL500. 10 Circuit Diagram C537 (VC1) C531 (VC2) Figure 4-10 ANT500 ANT501 ANT502 C500 1.2p Waveform L510 3.3nH L500 22nH SW500 ENWY0002201 (VC1) C508 FL500 GND1 GND2...
  • Page 59 4. TROUBLE SHOOTING Checking Flow For the test, TX Stand alone Mode is needed. Refer to chapter 11 (PL=7 for GSM, PL=2 for DCS) Check C531,C537 Check whether Ant SW Check VC1, VC2 Changing board Set as TX mode Refer to Graph4-6 Refer to Table 6-11 Check RF Level of Pin5 : ~29.5dBm...
  • Page 60 4. TROUBLE SHOOTING (4) Checking PAM Control Signal Test Points Circuit Diagram VBAT R501 PA_BAND GPO_17 C501 C507 R502 PA_EN GPO_16 RF2.85V RF2.85V C509 C532 C525 100p PAC_ENABLE R503 PA_EN (R502) GSM_IN R504 R505 DCS_PCS_IN R506 R507 R508 C506 0.01u Figure 4-11 TX_RAMP (R509) Waveform...
  • Page 61 4. TROUBLE SHOOTING (5) Checking TX IQ Test Points Waveform U505 C519 C526 Figure 4-12 Graph 4-7 Circuit Diagram C516 26MHz 1000p C526 C519 RXQN U505 RXIP SI4205 RXIN TXIP TXIN TXQP TXQN Checking Flow Check if there is Similar? Replace U102 Any Major Difference Refer to Graph 4 - 8...

  • Page 62: Power On Trouble

    4. TROUBLE SHOOTING 4.3 Power On Trouble Test Points C121 C117 C122 C113 C114 C115 C116 C118 Figure 4-13 Circuit Diagram R103 BACK_BATT C113 VCORE1 VCORE2 C114 VMEM1 VMEM2 C115 0.1u VRTC C116 VSIM (1608) C117 2.2u VABB C118 VMIC C121 VVCXO NC_E15...
  • Page 63 4. TROUBLE SHOOTING Checking Flow START Check Battery Voltage Charge or Change Battery > 3.35V ? Push power-on key Check the contact of power key And check the level change Or dome-switch of POWERKEY Check the voltage of Replace U102 The LDO outputs at U102 VCORE=1.8V VVCXO=2.75V...

  • Page 64: Charging Trouble

    4. TROUBLE SHOOTING 4.4 Charging Trouble Test Points R106 Q100 R108 D102 Figure 4-14 Circuit Diagram NC_T15 VBAT NC_R1 VMEMSEL VCHARGE GND_NET1 NC_G16 4.7u C143 NC_B7 C126 (2012) (1%) NC_B5 D102 VBATSENSE CUS02 VCHG ISENSE R108 GATEDRIVE Q100 TPCF8102 - 65 -...
  • Page 65 4. TROUBLE SHOOTING Checking Flow START Resolder the CN300 I/O Connector(CN300) Pin 4,5 : VCHARGE Is well-soldered ? Pin12,19 : GND The TA is out of order Voltage at anode of Change the TA D102 = 5.2V ? Resolder the Q100,D102,R106 are Q100, D102, R106 well-soldered?

  • Page 66: Vibrator Trouble

    4. TROUBLE SHOOTING 4.5 Vibrator Trouble Test Points R354 R351 R350 R353 Q300 Soldering Check in LCD Module R352 Figure 4-15 Circuit Diagram VBAT R351 VBAT R350 R352 Q300 VIBRATOR R353 1.5K VIBRATOR R354 MOTOR 7.5K C328 EMZ2 4.7u - 67 -...
  • Page 67 4. TROUBLE SHOOTING Checking Flow SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu START Is the voltage at pin 3 Check the soldering of Q300 high ? of R353, R354 Resolder R353, R354 Is the voltage at pin 2 Check the soldering of Q300 low ?

  • Page 68: Lcd Trouble

    4. TROUBLE SHOOTING 4.6 LCD Trouble Test Points FL604 FL602 FL600 FL603 FL601 CN601 LCD Module Connection to Board Connector (60pin, male) LCD Module Figure 4-16 - 69 -...
  • Page 69 4. TROUBLE SHOOTING Checking Flow START Is the connection of FPCB with connector on Reassemble FPCB with CN601 connector PCB(CN601) ok ? Check the connection LCD Reassemble LCD module with connector on FPCB module with connector On FPCB ? Check the soldering of Resoldering CN601 CN601 ? Change the FPCB and try again...

  • Page 70: Mic Trouble

    4. TROUBLE SHOOTING 4.7 MIC Trouble Test Points C225 C224 U203 Soldering Check C230 Figure 4-18 - 71 -...
  • Page 71 4. TROUBLE SHOOTING Checking Flow START Voltage across C230 Replace C230 Check the soldering of = 2.85V? C230 Re-soldering C230 Check the soldering of Re-soldering C224, C225 C224, C225 Re-solder C224, Check the signal level of C225 or Replace C224, C225 U203 Check the state of Replace speaker...

  • Page 72: Sim Card Interface Trouble

    4. TROUBLE SHOOTING 4.8 SIM Card Interface Trouble Test Points J300 Figure 4-19 Circuit Diagram 2V85_VSIM 2V85_VSIM SIM CONNECTOR R346 J300 SIM_RST R348 R349 SIM_DATA SIM_CLK - 73 -...
  • Page 73 4. TROUBLE SHOOTING Checking Flow START Change the SIM Card. Our phone Does the SIM cards supports only 3V SIM card. supports 3V ? Voltage output Voltage at pin1 of Resolder J300 of VSIM LCD J300 is 2.85V? Is 2.85V? Replace J300 Change the SIM Card Redownload SW.

  • Page 74: Earphone Trouble

    4. TROUBLE SHOOTING 4.9 Earphone Trouble Test Points U200 J200 C209 R210 Figure 4-20 Circuit Diagram CLOSE TO EARJACK 2V5_JACK R202 R203 R204 C289 1.5K R211 AUXIN HOOK_DETECT 0.1u C277 C204 R206 C205 C206 0.1u 2V8_VEXT 2V8_VEXT R201 C200 C209 R210 AUXOP VIN-...
  • Page 75 4. TROUBLE SHOOTING Checking Flow START Resolder J200 Does the audio Level at pin1 profile of the phone Replace U200 of U200 is high change to the earphone mode? Resolder component Set the audio part of the test equipment to Download software Set the audio part of the test Change the earphone...

  • Page 76: Key Backlight Trouble

    4. TROUBLE SHOOTING 4.10 KEY backlight Trouble Test Points Figure 4-21 - 77 -...
  • Page 77 4. TROUBLE SHOOTING Circuit Diagram VBAT VBAT KEY BACKLIGHT Q301 R390 KEY_BACKLIGHT IMX9T110 Checking Flow START Is the level at R390 Check U101 High? Are all LEDs Check the soldering Working? each R and LED Replace or resoldering Backlight will work properly. component - 78 -...

  • Page 78: Receiver Trouble

    4. TROUBLE SHOOTING 4.11 Receiver Trouble Test Points CN601 R111 R113 Figure 4-22 Circuit Diagram R111 AOUT1P RCV_P C136 AOUT1N AOUT2P1 SPKP_P R113 AOUT2P2 RCV_N AOUT2N1 AOUT2N2 AOUT3P AUXOP C137 C138 AOUT3N C140 C151 C139 - 79 -...
  • Page 79 4. TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max. START Does waveform at Replace main board R111 and R113 fluctuate? Is CN601 connected...

  • Page 80: Microphone Trouble

    4. TROUBLE SHOOTING 4.12 Microphone Trouble Test Points C202 C207 R209 R200 C203 R205 R208 C208 C218 R212 Figure 4-23 Circuit Diagram 2V5_VMIC R200 R205 C202 C203 2.2K R209 R208 VINNORP MIC200 C207 C208 C218 0.1u R212 SOB-413S44-RC3310 VINNORN R215 2.2K CLOSE TO MIC - 81 -...
  • Page 81 4. TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Voltage across Voltage VMIC of U102 Replace U102 C211 = DC 2.0V? = DC 2.5V? Resolder R200 & R205. Check the signal Level at each side Replace microphone of MIC200.

  • Page 82: Rtc Trouble

    4. TROUBLE SHOOTING 4.13 RTC Trouble Test Points X101 R109 Figure 4-24 Circuit Diagram _SUB_CS GPIO_43_NSUB_LCD_CS X101 C150 1000p CLKIN CLKON CLKON OSCOUT R109 OSCIN PWRON _RESET NRESET MC-146_7pF C142 32.768KHz GPIO_0_IRDA_TX GPIO_1_IRDA_RX GPIO_2_NIRDA_EN - 83 -...
  • Page 83 4. TROUBLE SHOOTING Checking Flow START Is the voltage level at R109 Check the soldering of R109. about 1.2V Replace X101and try again. RTC will work properly - 84 -...

  • Page 84: Indication Led Trouble

    4. TROUBLE SHOOTING 4.14 Indication LED Trouble Test Points Q200 R225 R223 R226 LD200 R218 Q401 Figure 4-25 Circuit Diagram VCHARGE VBAT VCHARGE ERHZ0000757 C216 R217 (5%,1/10W) R219 R221 Q401 LD200 2SC5585 R222 R223 RPWRON Q200 7.5K R225 R224 R226 100K UMX1NTN - 85 -...
  • Page 85 4. TROUBLE SHOOTING Checking Flow Indication LED only operates in trickle charging mode. START Is the voltage Check the soldering of R223 or Q 401 at R225 1.2V? Check the soldering of Q200, Is LED working? R218, LD200, R226 LED will work properly - 86 -...

  • Page 86: Folder On/Off Trouble

    4. TROUBLE SHOOTING 4.15 Folder on/off Trouble Test Points U403 Figure 4-26 Circuit Diagram FLIP SWITCH R418 FLIP U403 A3212ELH C411 C412 C488 330p 0.1u - 87 -...
  • Page 87 4. TROUBLE SHOOTING Checking Flow START Is there the magnet Place the magnet properly. in the folder side? Voltage at pin 1(VDD) Voltage of VEXT at U102 of U403 = 2.8V? = 2.8V? Resolder U403 Replace U102 Open folder. Resolder R418 and U403 Voltage at pin 2(OUT) of U403 = 2.8V Close folder.

  • Page 88: Download And Calibration

    5. DOWNLOAD AND CALIBRATION 5. DOWNLOAD AND CALIBRATION 5.1 Download A. Download Setup Figure 6-1 describes Download setup UART (If you have battery, no TA is needed) Figure 5-1. Download Setup - 89 -...
  • Page 89 5. DOWNLOAD AND CALIBRATION B. Download Procedure 1. Access Flash loader program in PC and select Erase.(Don’t check OWCD) 1. Select Erase 2. Select Model 4. Donít Check 3. Check OWCD 2. Press Start and Wait until Erase is completed. 1.
  • Page 90 5. DOWNLOAD AND CALIBRATION 3. Press Write to start Download and press Key to choose software (AlchemyData.mot) 1. Press 2. Press 4. Choose software 1. Select File 2. Press Open - 91 -...
  • Page 91 5. DOWNLOAD AND CALIBRATION 5. Wait until converting from MOT to BIF is completed (Don’t check OWCD) 1. Wait until completion 6. Press Start and Power on the phone using JIG remote Power on (Switch 1) 1. Press Start 2. Turn on Switch VBAT - 92 -...
  • Page 92 5. DOWNLOAD AND CALIBRATION 7. Wait until Sending Block is completed 1. Wait Until Sending Block is completed 8. Press Write to start Download and press Key to choose software (CodeData.mot) 1. Press 2. Press - 93 -...
  • Page 93 5. DOWNLOAD AND CALIBRATION 9. Choose software, Press Start and Power on the phone using JIG remote Power on (Switch 1) 1. Press Start 2. Turn on Switch VBAT 10. Wait until Sending Block is completed 1. Wait Until Sending Block is completed - 94 -...

  • Page 94: Calibration

    5. DOWNLOAD AND CALIBRATION 5.2 Calibration A. Equipment List Table 5-1. 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 95 5. DOWNLOAD AND CALIBRATION JTAG2 JTAG1 Status ADI-REMOTE TI-REMOTE POWER VBAT UART Status POWER Figure 5-3 The top view of Test JIG C. Test Jig Operation Table 5-2 Jig Power Power Source Description Power Supply usually 4.0V Travel Adaptor Use TA, name is TA-25GR2(24pin) Table 5-3 Jig DIP Switch Switch Number Name...
  • Page 96 5. DOWNLOAD AND CALIBRATION Table 5-4 LED Description LED Number Name Description LED 1 Power Power is provided for Test Jig. LED 2 Indicate charging state of the phone battery LED 3 UART Indicate data transfer state through the UART port LED 4 Indicate data transfer state through the MON port 1.

  • Page 97: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM The Block Diagram of the Baseband Part - 98 -...

  • Page 98: Circuit Diagram

    USB BOOT INT CLOCK NAME KEY_COL2 KEYPADCOL2 USC4 USC4 USB BOOT EXT CLOCK KEY_COL3 KEYPADCOL3 USC5 USC5 Approved Kim dae hyun KEY_COL4 KEYPADCOL4 USC6 USC6 DRAWING Iss. Notice No. Date Name VER.1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 99 -...
  • Page 99 Sign & Name Date Sheet/Sheets MODEL C2100 Designer Park bae sun Checked KIM KIL SU DRAWING AUDIO / PreCharge NAME Approved KIM DAE HYUN DRAWING Iss. Notice No. Date Name VER.1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 100 -...
  • Page 100 _ADV MEMORY, MMI, I/O EMZ2 C328 VSS3 NAME VSS4 _OE1 Approved R356 KIM DAE HYUN 4.7u VSS5 _OE2 VSS6 _RST _RESET VSS7 WAIT _WAIT R357 VSS8 BURSTCLK DRAWING VER 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 101 -...
  • Page 101 Sheet/ C2100 Sheets MODEL KIM KIL SU Designer KIM KIL SU Checked DRAWING CAMERA IC/ CHARGE PUMP NAME KIM DAE HYUN Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. VER 1.1 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 102 -...
  • Page 102 Section Date Sign & Name Sheet/Sheets C2100 MODEL Designer LEE KI SUNG Checked YOON CHANG WON DRAWING NAME Approved KIM DAE HYUN DRAWING Iss. Notice No. Date Name VER 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 103 -...
  • Page 103 Sign & Name Sheet/ MODEL Sheets C2100 Designer KIM SANG JUN Checked KIM KIL SU DRAWING LCD CONNECTOR NAME Approved KIM DAE HYUN DRAWING Iss. Notice No. Date Name VER 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 104 -...

  • Page 104: Pcb Layout

    8. PCB LAYOUT - 105 -...
  • Page 105 8. PCB LAYOUT - 106 -...

  • Page 106: Engineering Mode

    9. ENGINEERING MODE 9. 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 107: Bb Test [Menu 1]

    9. ENGINEERING MODE 9.1 BB Test [MENU 1] 9.1.1 LCD 1) Contrast value : This menu is to Set Main LCD contrast value. 9.1.2 Flash 1) Flash on : This menu is to test Folder Flash light. - Select this menu if you want to turn on folder flash light. 2) Flash off : This menu is to test Folder Flash light.

  • Page 108: Rf Test [Menu 2]

    9. ENGINEERING MODE 9.1.7 BATTERY 1) Bat Cal : This displays the value of Battery Calibration. The following menus are displayed in order : BAT_LEV_4V, BAT_LEV_3_LIMIT, BAT_LEV_2_LIMIT, BAT_LEV_1_LIMIT, BAT_IDLE_LI MIT, BAT_INCALL_LIMIT, SHUT_DOWN_VOLTAGE, BAT_RECHARGE_LMT 2) TEMP Cal : This displays the value of Temperature Calibration. The following menus are displayed in order : TEMP_HIGH_LIMIT, TEMP_HIGH_RECHARGE_LMT, TEMP_LOW_RECHARGE_LMT, TEMP_LOW_LIMIT 9.1.8 Audio...

  • Page 109: Mf Mode [Menu 3]

    9. ENGINEERING MODE 9.3 MF mode [MENU 3] This manufacturing mode is designed to do the baseband test automatically. Selecting this menu will process the test automatically, and phone displays the previous menu after completing the test. 9.3.1 All auto test LCD, Backlight, Vibrator, Buzzer, Key Pad, Mic&Speaker, 9.3.2 Backlight LCD Backlight is on for about 1.5 seconds at the same time, then off.

  • Page 110: Trace Option [Menu 4]

    9. ENGINEERING MODE 9.4 Trace option [MENU 4] This is NOT a necessary menu to be used by neither engineers nor users. 9.5 Call timer [MENU 5] This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing. 1) All calls : This displays total conversation time.

  • Page 111: Stand Alone Test

    10. STAND ALONE TEST 10. STAND ALONE TEST 10.1 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 112: Means Of Test

    10. STAND ALONE TEST 10.3 Means of Test 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. Press the start button Figure 10-1.
  • Page 113 10. STAND ALONE TEST Figure 10-2. HW test setting Figure 10-3. Ramping profile - 114 -...

  • Page 114: Auto Calibration

    11. AUTO CALIBRATION 11. AUTO CALIBRATION 11.1 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 115: Agc

    11. AUTO CALIBRATION Figure 11-1. Auto Calibration Program 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 >...

  • Page 116: Adc

    11. AUTO CALIBRATION 11.6 ADC This procedure is for battery calibration. You can get main Battery Config Table and temperature Config Table 11.7 Setting check com port and cable loss. Select automatic calibration item. If you uncheck one item calibration will stop from the unchecked item.
  • Page 117 Note - 118 -...

  • Page 118: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW 18 19 10 11 37 38 39 40 36 - 119 -...

  • Page 120: Replacement Parts

    PAD,LCD MPBG0025001 GE200 MAIN LCD PAD Black MPBJ00 PAD,MOTOR MPBJ0014401 11.7/4.5 dia. double side tape Silver MPBZ00 MPBZ0086301 C2100 PAD,CONN DOWN (LOWER ) Black MTAD00 TAPE,WINDOW MTAD0026901 GE200 MAIN WINDOW TAPE White COVER ASSY, ACGJ00 ACGJ0044701 C2100 RUSTG (SHINHAN) Gray...
  • Page 121 GMZZ00 SCREW MACHINE GMZZ0015101 1.4 mm,3.0 mm,MSWR3(FN) ,N ,+ ,- , Silver MCCF00 CAP,MOBILE SWITCH MCCF0021301 GE200 Gray C2100 FOR INDIA & M ASIA ENGLISH MKAZ00 KEYPAD MKAZ0017804 Gray CHARACTER(BASE MODEL : C3310) MLAK00 LABEL,MODEL MLAK0006301 LG (30.5x21.5 4-1R) Pearl White...

  • Page 122: Main Component

    R,G,B ,3 LED,3.5*2.8*1.8 ,R/TP ,Flash LED CONNECTOR, ENBY00 ENBY0020301 40 PIN,0.4 mm,ETC , ,H=0.9, Socket BOARD TO BOARD SPCY00 PCB,FLEXIBLE SPCY0051701 POLYI ,0.5 mm,MULTI-4 ,C2100 FPCB SBCL00 BATTERY,CELL,LITHIUM SBCL0001303 2 V,1 mAh,COIN ,SOLDER TYPE BACKUP BATTERY SJMY00 VIBRATOR,MOTOR SJMY0002602 3.0 V,80 mA,12*3.4 ,...
  • Page 123 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C113 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C114 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C115 CAP,CERAMIC,CHIP ECCH0000167 0.1 uF,6.3V,K,X5R,HD,1005,R/TP C116 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 124 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C210 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C211 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C212 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C214 CAP,CERAMIC,CHIP ECCH0000167 0.1 uF,6.3V,K,X5R,HD,1005,R/TP C215 CAP,CERAMIC,CHIP ECCH0000167 0.1 uF,6.3V,K,X5R,HD,1005,R/TP C216 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 125 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C336 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C404 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C406 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C409 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 126 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C532 CAP,CERAMIC,CHIP ECCH0000128 100 pF,50V,J,NP0,TC,1005,R/TP C535 CAP,CERAMIC,CHIP ECCH0000179 22 nF,16V ,K ,X5R ,HD ,1005 ,R/TP C536 CAP,CERAMIC,CHIP ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C537 CAP,CERAMIC,CHIP ECCH0000171...
  • Page 127 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark L510 INDUCTOR,CHIP ELCH0004709 3.3 nH,S ,1005 ,R/TP , 2.9*1.9*0.8(t) ,0.7 W,20 V,-6.0 A,R/TP ,NDC652P Q100 TR,FET,P-CHANNEL EQFP0004201 upgrade(substitution) item Q300 TR,BJT,ARRAY EQBA0002701 EMT6 ,150 mW,R/TP ,NPN, PNP, 150 mA Q301 TR,BJT,NPN EQBN0004801...
  • Page 128 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R223 RES,CHIP ERHY0000258 7.5K ohm,1/16W,J,1005,R/TP R224 RES,CHIP ERHY0000280 100K ohm,1/16W,J,1005,R/TP R225 RES,CHIP ERHY0000261 10K ohm,1/16W,J,1005,R/TP R228 RES,CHIP ERHY0000202 4.7 ohm,1/16W,J,1005,R/TP R230 RES,CHIP ERHY0000291 330K ohm,1/16W,J,1005,R/TP R231 RES,CHIP ERHY0000152...
  • Page 129 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R357 RES,CHIP ERHY0000201 0 ohm,1/16W,J,1005,R/TP R360 RES,CHIP ERHY0000203 10 ohm,1/16W,J,1005,R/TP R361 RES,CHIP ERHY0000203 10 ohm,1/16W,J,1005,R/TP R362 RES,CHIP ERHY0000203 10 ohm,1/16W,J,1005,R/TP R363 RES,CHIP ERHY0000203 10 ohm,1/16W,J,1005,R/TP R364 RES,CHIP ERHY0000262...
  • Page 130 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R612 RES,CHIP ERHY0000223 150 ohm,1/16W,J,1005,R/TP R613 RES,CHIP ERHY0000223 150 ohm,1/16W,J,1005,R/TP R614 RES,CHIP ERHY0000223 150 ohm,1/16W,J,1005,R/TP R615 RES,CHIP ERHY0000223 150 ohm,1/16W,J,1005,R/TP R616 RES,CHIP ERHY0000223 150 ohm,1/16W,J,1005,R/TP R617 RES,CHIP ERHY0000223...
  • Page 131 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark DFN ,16 PIN,R/TP ,Main 3 LEDs(60mA) + Flash (300mA) U402 EUSY0245401 Charge pump 35 dBm,53 %,0.8 A,-50 dBc,50 dB,6.0*8.0*1.2 ,SMD U501 SMPY0007201 ,QUAD SOT23 ,5 PIN,R/TP ,2.85V/150mA Low Noise uCap LDO U503 EUSY0118602 Regulator...
  • Page 132 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark LD309 DIODE,LED,CHIP EDLH0004502 BLUE ,1608 ,R/TP ,0.35T LD310 DIODE,LED,CHIP EDLH0004502 BLUE ,1608 ,R/TP ,0.35T LD311 DIODE,LED,CHIP EDLH0004502 BLUE ,1608 ,R/TP ,0.35T LD312 DIODE,LED,CHIP EDLH0004502 BLUE ,1608 ,R/TP ,0.35T LD313 DIODE,LED,CHIP EDLH0004502...
  • Page 133 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark VA304 VARISTOR SEVY0000702 14 V,10% ,SMD , VA307 VARISTOR SEVY0000702 14 V,10% ,SMD , VA308 VARISTOR SEVY0000702 14 V,10% ,SMD , SPFY00 PCB,MAIN SPFY0086101 FR-4 ,1.0 mm,BUILD-UP 8 ,GE200 SNGF00 ANTENNA,GSM,FIXED SNGF0006301...

  • Page 134: Accessory

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.3 Accessory Note: This Chapter is used for reference, Part order is ordered by SBOM standard on GCSC Location Level Description Part Number Specification Color Remark MHBY00 HANDSTRAP MHBY0001101 Neck Strap 380mm Gray 3.7 V,1000 mAh,1 CELL,PRISMATIC ,GC200(K-PJT) SBPL00 BATTERY PACK,LI-ION...

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