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.
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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.
Global System for Mobile Communications IPUI International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode LG Electronics OPLL Offset Phase Locked Loop Power Amplifier Module Printed Circuit Board Programmable Gain Amplifier Phase Locked Loop...
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1. Introduction Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating SRAM Static Random Access Memory 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 -...
2. PERFORMANCE 2. PERFORMANCE 2.1 H/W Features Item Feature Comment Classification : Li-ion Capacity min 1000mAh Standard Battery Voltage : 3.7V Cell Weight : 22g Under the minimum current consumption environment Stand by Current (such as paging period 9), the level of standby current is below 4mA.
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2. PERFORMANCE 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 RMS <...
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2. PERFORMANCE Item Description Specification DCS1800/PCS1900 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...
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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 2.5ppm (13 MHz) tolerance 32.768KHz tolerance 30ppm...
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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: 830mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60Hz Out put: 5.2V, 800mA <Bluetooth Performance>...
3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 Transceiver (SI4205-BM, 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.
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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.
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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.
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3. TECHNICAL BRIEF (2) Transmitter Part The transmit (Tx) section consists of an I/Q baseband upconverter, and offset phaselocked 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.
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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.
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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.
3. TECHNICAL BRIEF 3.2 Power Amplifier Module (SKY77325, U501) The SKY77325 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;...
3. TECHNICAL BRIEF 3.3 26 MHz Clock (VCTCXO, X502) The 26 MHz clock(X502) consists of a TCXO(Temperature Compensated Crystal Oscillator) which oscillates at a frequency of 26 MHz. It is used within the Si4205, analog base band chipset (U101, AD6537), digital base band chipset (U102, AD6527), and MIDI (U203) chipset. Figure 3-6 VCTCXO CIRCUIT DIAGRAM 3.4 Power Supplies for RF Circuits (RF LDO, U503) Two regulators are used for RF circuits.
3. TECHNICAL BRIEF 3.5 Bluetooth Section Description (M601) Figure. 3-5 Functional Block Diagram 1.General description ARM-450-2CSP(M601) is a Bluetooth module. The Bluetooth system consists of a radio section and a baseband link control section. It consists of Bluetooth Transceiver chip, a EEPROM, a X-tal, a Balun and a band pass filter.
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3. TECHNICAL BRIEF 1. General description ABM-450-2CSP(M601) : bluetooth module NLAS4717FCT1(U610) : Analog switch for control signal switching. BH28FB1WHFV(U611) : provide power for bluetooth clock. TC7SH08FS(U602) : PCM Sync Clock rate converter for bluetooth clock. (to 8kHz) 2. Specification Bluetooth V1.1 or 1.2Compliant Transmit Power + 4dBm(Class2) 1.8V to 3.6V I/O Operation...
3. TECHNICAL BRIEF 3.6 Main Processor Baseband Block Diagram The F2400 Phone is made up of one PCB. In part of the keypad and LCD display, there is a main PCB. Figure 1: MAIN PCB BLOCK DIAGRAM Ear Jack Camera...
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3. TECHNICAL BRIEF 3.6.1 Logic Explanation AD6527 Figure 3: TOP LEVEL BLOCK DIAGRAM OF THE AD6527 INTERNAL ARCHITECTURE AD6537 1) BUS Arbitration Subsystem i. It is to work as a cross point for data accesses between the three main busses ii.
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3. TECHNICAL BRIEF DSP subsystem It consists of ADI DSP, Viterbi coprocessor, Ciphering unit and a cache memory/controller system The DSP can run at a maximum clock frequency of 91MHz at 1.8V The Viterbi and ciphering accelerators enable a very efficient implementation of the channel equalization, encryption and decryption tasks MCU subsystem It consists of an ARM7TDMI central processing unit, a boot ROM, a clock generation and access control module.
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3. TECHNICAL BRIEF Figure 4: SYSTEM INTERCONNECTION OF AD6527/6527B EXTERNAL INTERFACE - 28 -...
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The AD6527 check status periodically in call mode if SIM card is inserted or not. Interface by SIM_DATA, SIM_CLK, SIM_RST SIM_DATA: This pin receives and sends data to SIM card. F2400 support only 3.0 volt interface SIM card. SIM_CLK: clock 3.5MHz frequency.
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3. TECHNICAL BRIEF 1) Baseband Transmit section i. The AD6537B Baseband Transmit Section is designed to support GMSK for both single-slot and multislot applications. ii. The 6537B includes a digital GMSK modulator which is used for GSM Applications. The transmit channel consists of a iii.
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3. TECHNICAL BRIEF 3) Auxiliary section i. This section includes an Automatic Frequency Control(AFC) DAC, voltage reference buffers, an Auxiliary ADC, and light controllers. ii. This section also contains AUX ADC and Voltage Reference • AFC DAC: 13 bits • The Auxiliary ADC provides : - two differential inputs for temperature sensing.
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3. TECHNICAL BRIEF 4) Voiceband section i. Receive audio signal from microphone. F2400 use differential configuration. ii. Send audio signal to speaker. F2400 use differential configuration. iii. 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.
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3. TECHNICAL BRIEF 5) Power Management Figure 10 : AD6537B POWER MANAGEMENT SECTION 1 1 Power up sequence logic The AD6537B controls power on sequence Power on sequence - If a battery is inserted, the battery powers the 8 LDOs. - Then if PWRONKEY is detected, the LDOs output turn on.
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3. TECHNICAL BRIEF Figure 11 : AD6537B POWER MODE LOGIC 1 1 LDO block There are 8LDOs in the AD6537B. - VCORE : supplies Digital Baseband Processor core and AD6537 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,...
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3. TECHNICAL BRIEF 1 1 Battery Charging block i. It can be used to charge Lithium Ion batteries. Charger initialization, trickle charging, and Li-Ion charging control are implemented in hardware. ii. Charging Process - Check charger is inserted or not - Exception: When battery voltage is lower than 3.2V, the precharge(low current charge mode) starts firstly.
3. TECHNICAL BRIEF 3.9 AUDIO SECTION Figure 15 : AUDIO CIRCUIT DIAGRAM 1) MIC and Receiver operate at the differential mode by using AIN1P/N and AOUT1P/N in AD6537B. 2) MIC Bias Voltage : 2.5 VMIC from AD6537B 3) Earphone has a single-ended mode by using the AIN2P, AOUT3P. - 39 -...
3. TECHNICAL BRIEF 3.11 Battery Charging Block Figure 18 : CIRCUIT FOR BATTERY CHARGING AT AD6537B A. VCHARGE : Voltage Source supplied from TA which is connected to I/O Connecter. B. ISENSE : Decide the time to stop the charging and the charging current value by measuring this value.
3. TECHNICAL BRIEF 3.12 Camera Figure 18 : CIRCUIT FOR BATTERY CHARGING AT AD6537B A. Camera Interface : Allows you to use the built-in camera to take photos with the phone. The phone encodes up to 640 x 480 size with free size support. B.
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4. TROUBLE SHOOTING (3) Checking Ant SW & Mobile SW - 55 -...
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4. TROUBLE SHOOTING (4) Checking PAM Control Signal Test Points Circuit Diagram PA_EN (R502) TX_RAMP (R509) Waveform Graph 4 -7 Checking Flow Check TX_RAMP and PA_EN Check TX_RAMP and PA_EN Check if there is Check if there is Any Major Difference or not Any Major Difference or not Download S/W Download S/W...
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4. TROUBLE SHOOTING (5) Checking TX IQ Test Points Waveform Circuit Diagram Checking Flow - 57 -...
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4. TROUBLE SHOOTING Switch f or Camera Camera Sensor Camera Chip Sensor Pow er(Q400) Connector (CN3) (U613) Pin11 Pin3 Pin10 Pow er IC for Camera (U612) • CAMERA Operation - U404(Camera Chip) is controlled by DBB. - The Power is supplied to U400(2.85V). •...
4. TROUBLE SHOOTING 4.17 Bluetooth Trouble Test Point R660 R652 R653 R673 R659 C674 M601 R650 C671 ANT1 Figure 4-34 Circuit Diagram - 84 -...
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5. DOWNLOAD AND CALIBRATION Bluetooth Power on BLUE_ Is BLUE_RST signal shape similar Replace U102 to Fig 1 during powering on Bluetooth? BT_EN at Replace U102 2V8_VBT at C674=2.8V? 2V8_VBT at C671=2.8V? R660=2.8V? Check 2V8_VBT Replace (U611) PCB pattern Figure 1. Blue_RST Figur 4 -32 Blue RST Bluetooth Power off...
5. DOWNLOAD AND CALIBRATION 5. DOWNLOAD AND CALIBRATION 5.1 Download A. Download Setup Figure 6-1 describes Download setup. Figure 5-1. Download Setup - 86 -...
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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. Check FFE000 3. Don' t Check OWCD 2. Press Start and Wait until Erase is completed.(Code øµø™erase) 1.
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5. DOWNLOAD AND CALIBRATION 3. Press Write to start Download and press Key to choose software (AlchemyData.mot) 1. Change Address and Size 2. Don’t Check 3. Press Start and OWCD Wait 4. Choose software 1. Press 2. Press - 88 -...
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5. DOWNLOAD AND CALIBRATION 5. Wait until converting from MOT to BIF is completed(Don’t check OWCD) 2. Wait until completion 1. Don’t Check OWCD 6. Press Start and Power on the phone using JIG remote Power on(Switch 1) - 89 -...
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5. DOWNLOAD AND CALIBRATION 7. Wait until Sending Block is completed 8. Press Write to start Download and press Key to choose software(CodeData.mot) - 90 -...
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5. DOWNLOAD AND CALIBRATION 9. Choose software 10. Wait until Sending Block is completed 1. Wait Until Sending Block is completed - 91 -...
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 &...
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5. DOWNLOAD AND CALIBRATION Figure 5-3. The top view of Test JIG C. Test Jig Operation Table 5-2. Calibration Equipment List Power Source Description Power Supply usually 4.0V Travel Adaptor Use TA, name is TA-20G(24pin) Table 5-3. Calibration Equipment List Switch Number Name Description...
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5. DOWNLOAD AND CALIBRATION Table 5-4. Calibration Equipment List 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.
USC3 USB BOOT INT CLOCK KEY_COL2 KEYPADCOL2 USC4 USC4 NAME Approved USB BOOT EXT CLOCK KEY_COL3 KEYPADCOL3 USC5 USC5 KEY_COL4 KEYPADCOL4 USC6 USC6 DRAWING Iss. Notice No. Date Name Ver.1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 97 -...
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R225 C219 SPVSS R244 R212 16POLY 40POLY Section Sign & Name Date Sheet/Sheets MODEL F2400 Designer Checked DRAWING AUDIO / PreCharge NAME Approved DRAWING Iss. Notice No. Date Name Ver.1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 98 -...
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VSS2 _ADV _ADV MEMORY, MMI, I/O VSS3 NAME VSS4 _OE1 Approved KIM N.S VSS5 _OE2 VSS6 _RST _RESET VSS7 WAIT _WAIT VSS8 BURSTCLK DRAWING Iss. Notice No. Date Name Ver.1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 99 -...
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PGND GND1 0.01u Section Date Sign & Name Sheet/ U403 A3212EEH F2400 Sheets MODEL Designer Checked DRAWING CAMERA IC/ CHARGE PUMP NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. Ver.1.0 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 100 -...
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(1608) S_CLK (GPO_21) R1108 S_DATA (GPO_20) C654 C653 C652 C651 Section Date Sign & Name Sheet/Sheets F2400 MODEL Designer Checked DRAWING NAME Approved DRAWING Iss. Notice No. Date Name Ver.1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 101 -...
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MLED2 MLED3 CN600 MOTOR C656 VA603 capacitor Section Date Sign & Name Sheet/ MODEL Sheets F2400 Designer Checked DRAWING LCD CONNECTOR NAME Approved DRAWING Iss. Notice No. Date Name Ver.1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 102 -...
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 –...
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9. ENGINEERING MODE E. ADC (Analog to Digital Converter) [1-5] This displays the value of each ADC. • MVBAT ADC (Main Voltage Battery ADC) [1-5-1] • AUX ADC (Auxiliary ADC) [1-5-2] • TEMPER ADC (Temperature ADC) [1-5-3] F. BATTERY [1-6] •...
9. ENGINEERING MODE 9.2 RF Test [MENU 2] Radio Frequency Test A. SAR Test [2-1] This menu is to test the Specific Absorption Rate. • SAR Test On [2-1-1] : Phone continuously process TX only. Call – setup equipment is not required. •...
9. ENGINEERING MODE H. Camera [3-8] Camera preview mode is activated 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] A. All calls [5-1] This displays total conversation time. User cannot reset this value. B.
10. EXPLODED VIEW & REPLACEMENT PART LIST <Main component> Note: This Chapter is used for reference, Part order is ordered by SBOM standard on GCSC Location Level Description Part Number Specification Color Remark SACY00 PCB ASSY,FLEXIBLE SACY0026001 PCB ASSY, SACB00 SACB0017701 FLEXIBLE,INSERT SACE00...
10. EXPLODED VIEW & REPLACEMENT PART LIST 10.3 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 MHBY0002101 T5100 RUSSV Square Coupling, Cow Leather Metalic Silver 3.7 V,1000 mAh,1 CELL,PRISMATIC ,GS-9(L1500) EUAOR SBPL00...