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3. TECHNICAL BRIEF

3.1 TX module (SKY77517/SKY77518, U401)

The SKY77517 is a Transmit and receive front-end-module (FEM) with Integrated Power Amplifier

Control (iPAC) for dual-band cellular handsets comprising GSM850 and PCS1900 operation.

Designed in a low profile, compact form factor, the SKY77517 offers a complete Transmit VCO-to-

Antenna and Antenna-to-Receive SAW filter solution. The FEM also supports class 12 General Packet

Radio Service (GPRS) multi-slot operation.

The module consists of a GSM850 PA block and a PCS1900 PA block, impedance-matching circuitry

for 50 ohm input and output impedances, TX harmonics filtering, high linearity and low insertion loss

PHEMT RF switches, diplexer and a Power Amplifier Control (PAC) block with internal current sense

resistor. A custom BiCMOS integrated circuit provides the internal PAC function and decoder circuitry

to control the RF switches. The two Heterojunction Bipolar Transistor (HBT) PA blocks are fabricated

onto a single Gallium Arsenide (GaAs) die. One PA block supports the GSM850 band and the other

PA block supports the PCS 1900 band. Both PA blocks share common power supply pads to distribute

current. The output of each PA block and the outputs to the two receiver pads are connected to the

antenna pad through PHEMT RF switches and a diplexer. The GaAs die, PHEMT die, Silicon (Si) die

and passive components are mounted on a multi-layer laminate substrate. The assembly is

encapsulated with plastic overmold.

Band selection and control of transmit and receive modes are performed using two external control

pads. Refer to the functional block diagram in Figure 3.1 below. The band select pad (BS) selects

between GSM and PCS modes of operation. The transmit enable (TX_EN) pad controls receive or

transmit mode of the respective RF switch (TX = logic 1). Proper timing between transmit enable

(TX_EN) and Analog Power Control (VRAMP) allows for high isolation between the antenna and

TX_VCO while the VCO is being tuned prior to the transmit burst.

The SKY77517 is compatible with logic levels from 1.2V to VCC for BS and TX_EN pads, depending

on the level applied to the VLOGIC pad. This feature provids additional flexibility for the designer in the

selection of FEM interface control logic.

The SkY77518 is Txmodule for GSM900/DCS1800 dual-band. Every function and logic is equal tom

the SKY77517.

3. TECHNICAL BRIEF

LGE Internal Use Only

Only for training and service purposes

Figure 3.1.1 Functional Block Diagram

Содержание KP210

Страница 1: ...Date February 2008 Issue 1 0 Service Manual Model KP210 KP215 Service Manual KP210 KP215 ...

Страница 2: ...le 64 4 9 Speaker Trouble 67 4 10 SIM Card Interface Trouble 69 4 11 Earphone Trouble 71 4 12 KEY backlight Trouble 73 4 13 Receiver Trouble 75 4 14 Microphone Trouble 77 4 15 RTC Trouble 79 4 16 Folder on off Trouble 81 4 17 Micro SD Trouble 83 5 DOWNLOAD 85 5 1 Download 85 6 BLOCK DIAGRAM 91 7 CIRCUIT DIAGRAM 93 8 BGA IC Pin Check 99 9 PCB LAYOUT 103 10 ENGINEERING MODE 109 10 1 BB Test MENU 1 1...

Страница 4: ...nauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not done C Changes in Service A local telephone company may ma...

Страница 5: ... engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system board they should spread the floor with anti static matb whic...

Страница 6: ...al to Analog Converter DCS Digital Communication System dBm dB relative to 1 milli watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum Shift Keying GPIB General Purpose Interface Bus GSM Global System for Mobile Communications IPUI International Portable User Identity IF In...

Страница 7: ... RLR Receiving Loudness Rating RMS Root Mean Square RTC Real Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM STMR Side Tone Masking Rating TA Travel Adapter TDD Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator V...

Страница 8: ...ower GSM850 GSM900 32 5dBm Level 5 DCS PCS 29 5dBm Level 0 GPRS compatibility Class 10 SIM card type 3V Small Display MAIN TFT 128 160 pixel 262K Color SUB CSTN 96 64 pixel 65K Color Hard icons Key Pad Status Indicator 0 9 Up Down Left Right Ok Navigation Key Menu Key Clear Key Back Key Confirm Key Send Key Volume Key PWR Key Camera Key Hot Key ANT Internal EAR Phone Jack Yes Stereo PC Synchroniza...

Страница 9: ...quency Error 0 1ppm GSM850 Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 4 Power Level 12 19 dBm 3dB PCS Level Power Toler Level Power Toler 0 30 dBm 2dB 8 14 dBm 3dB 1 28 dBm 3dB 9 12 dBm 4dB 2 26 dBm 3dB 10 10 dBm 4dB 3 ...

Страница 10: ...r kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 7 Output RF Spectrum 6 000 71 Due to Modulation PCS Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 GSM850 Offset from Carrier kHz Max dBm Output RF Spectrum 400 19 8 Due to Switching 600 21 1 200 21 1 800 24 ...

Страница 11: ... 800 27 9 Spurious Emissions Conduction Emission Status Radiation Emission Status GSM850 10 Bit Error Ratio BER Class II 2 439 102dBm PCS BER Class II 2 439 102dBm 11 Rx Level Report accuracy 3 dB 12 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 13 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 14 RLR Normal volume 4 3 dB Frequency Hz Max dB Min dB 100 6 Receiving R...

Страница 12: ...FM radio not support Backup Battery Without Main Battery Normal Power Off 5uA Emergency Power Off 15uA 2 2 hr Min GSM850 PL 5 21 Talk Time 4 0 hr Min GSM850 PL 12 3 0 hr Min PCS PL 0 5 0 hr Min PCS PL 10 270 hr Min PP9 220 hr Min PP5 22 Standby Time Full charge no receive send and keep GSM in idle mode Broadcast set off Signal strength display set at 3 levelabove Backlight of phone set off At leas...

Страница 13: ...tenna Display 3 skip 2 103 dBm 101 dBm 1 105 dBm 104 dBm 0 105 dBm Battery Bar Number Voltage 1 0 3 54V 0 05V 27 Battery Indicator TBD 2 1 3 64V 0 05 V 3 2 3 75V 0 05 V 3 4 2V 28 Low Voltage Warning TBD 3 54 0 05 V Call 3 40 0 05 V Standby 29 Forced shut down Voltage 3 33 0 05V 30 Battery Type Main Battery Li ion 800mAh Hard pack Back up Battery Lithium 1mAh 31 Travel Charger Input 100 240 V 50 60...

Страница 14: ...5 degrees Peak 20 degrees 3 Frequency Error 0 1ppm GSM900 Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 4 Power Level 12 19 dBm 3dB DCS1800 Level Power Toler Level Power Toler 0 30 dBm 2dB 8 14 dBm 3dB 1 28 dBm 3dB 9 12 dB...

Страница 15: ...kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 7 Output RF Spectrum 6 000 71 Due to Modulation DCS1800 Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 GSM900 Offset from Carrier kHz Max dBm Output RF Spectrum 400 19 8 Due to Switching 600 21 1 200 21 1 800 24 ...

Страница 16: ... 800 27 9 Spurious Emissions Conduction Emission Status Radiation Emission Status GSM900 10 Bit Error Ratio BER Class II 2 439 102dBm DCS1800 BER Class II 2 439 102dBm 11 Rx Level Report accuracy 3 dB 12 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 13 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 14 RLR Normal volume 4 3 dB Frequency Hz Max dB Min dB 100 6 Receivi...

Страница 17: ...FM radio not support Backup Battery Without Main Battery Normal Power Off 5uA Emergency Power Off 15uA 2 2 hr Min GSM900 PL 5 21 Talk Time 4 0 hr Min GSM900 PL 12 3 0 hr Min DCS PL 0 5 0 hr Min DCS PL 10 270 hr Min PP9 220 hr Min PP5 22 Standby Time Full charge no receive send and keep GSM in idle mode Broadcast set off Signal strength display set at 3 levelabove Backlight of phone set off At leas...

Страница 18: ...TBD 2 1 3 64V 0 05 V 3 2 3 75V 0 05 V 3 4 2V 28 Low Voltage Warning TBD 3 54 0 05 V Call 3 40 0 05 V Standby 29 Forced shut down Voltage 3 33 0 05V 30 Battery Type Main Battery Li ion 800mAh Hard pack Back up Battery Lithium 1mAh 31 Travel Charger Input 100 240 V 50 60Hz Output 4 8V 900mA 19 2 PERFORMANCE LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training ...

Страница 19: ...ent The output of each PA block and the outputs to the two receiver pads are connected to the antenna pad through PHEMT RF switches and a diplexer The GaAs die PHEMT die Silicon Si die and passive components are mounted on a multi layer laminate substrate The assembly is encapsulated with plastic overmold Band selection and control of transmit and receive modes are performed using two external con...

Страница 20: ... 6 DCS_RX DCS Receive RF Output 1930 1990 MHz 7 GSM_RX GSM Receive RF Output 869 894 MHz 8 10 GND RF and DC Ground 11 ANT RF_IN RF_OUT to Antenna 12 16 GND RF and DC Ground 17 GSM_IN RF input 824 849 MHz 18 NC No Connect 19 DCS_IN RF input 1850 1910 MHz 20 GND RF and DC Ground GMD PADS GROUND GRID Ground Pads module underside Mode VLOGIC Input Control Bits TX_En BS STANDBY 0 X1 X1 GSM_RX 1 0 0 CS_...

Страница 21: ...PA The AD6548 uses a single integrated LO VCO for both the receive and the transmit circuits The synthesizer lock times are optimized for GPRS applications up to and including class 12 AD6548 incorporates a complete reference crystal calibration system This allows the external VCTCXO to be replaced with a low cost crystal No other external components are required The AD6548 uses the traditional VC...

Страница 22: ...9 REFIN Crystal Connection 4 VCC_BBI Baseband I TX path supply IP 20 REFINB Crystal Connection 5 SDATA Serial port data 21 REF_OP Reference Frequency Output 6 SCLK Serial port clock 22 QB Q baseband input output 7 SEN Serial port enable 23 Q Q baseband input output 8 N C Not connected 24 VCC_BBQ Baseband Q supply IP 9 VLDO3 TX LDO Output 1 25 RX1900B PCS 1900 LNA input 10 TXOP_LO Transmit O P 850 ...

Страница 23: ...itry to oscillate the crystal and tune its frequency is fully integrated The Oscillator is a balanced implementation requiring the crystal to be connected across 2 pins There is a programmable capacitor array included for coarse tuning of fixed offsets e g crystal manufacturing tolerance and an integrated varactor for dynamic control The oscillator is designed for use with a 26MHz crystal Dedicate...

Страница 24: ...Rate and Half Rate Speech Encoding Decoding Capable of Supporting AMR PDC Speech Algorithms 3 Peripheral Functions Parallel and Serial Display Interface USB 2 0 Full Speed device Interface Keypad Interface Flash Memory Interface Page Mode Flash Support 1 8V and 3 0V 64 kbps SIM Interface Universal System Connector Interface Data Services Interface Battery Interface e g Dallas 4 Other Supports 13 M...

Страница 25: ... 26 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 4 SYSTEM INTERCONECTION OF AD6721 EXTERNAL INTERFACE ...

Страница 26: ...D_CS L_SUB_LCD_CS LCD_RESET LCD_RS LCD_WR L_DATA 15 00 2V8_MV LCD_IF LCD_ID Signals Description L_MAIN_LCD_CS MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin pinL_SUB_LCD_CS SUB LCD driver chip enable SUB LCD driver IC has own CS pin LCD_ID Select LCD module maker LCD_RESET This pin resets LCD module This signal comes from AD6721 directly LCD_WR Enable writing to LCD Driver LCD_RD En...

Страница 27: ... S_EN S_DATA S_CLK Signals Description MLED Current source for backlight LED LCD_DIM_CTRL Control LCD backlight level in 16 steps MLED 1 4 This pins are returned paths for backlight LED current source MLED Table 3 4 B2 DESCRIPTION OF LCD BACKLIGHT LED CONTROL Signals Description PA_BAND GPO 17 PAM Band Select ANT_SW1 GPO 9 Antenna switch Band Select ANT_SW2 GPO 10 Antenna switch Band Select PA_EN ...

Страница 28: ...M_CLK SIM_RST GPIO_23 are required The descriptions about the signals are given by bellow Table 3 4 in detail Signals Description SIM_DATA This pin receives and sends data to SIM card This model can support 3 0 volt and 1 8 volt interface SIM card SIM_CLK Clock 3 25MHz frequency SIM_RST Reset SIM block GPIO_23 Table 3 4 D SIM CONTROL SIGNALS DESCRIPTION Figure 3 4 D2 SIM Interface of AD6721 Rev C ...

Страница 29: ... the external memory on the digital baseband processor 2 8V 150mA 2V8_VEXT supplies Radio digital interface and high voltage interface 2 8V 200mA 2V85_VSIM the SIM interface circuitry on the digital processor and SIM card 2 85V 1 8V 20mA 1V8_VRTC supplies the Real Time Clock module 1 8 V 20 µA 2V5_VMIC supplies the microphone interface circuitry 2 5 V 2 mA 2V75_VVCXO supplies the voltage controlle...

Страница 30: ...directly LCD_RS This pin determines whether the data to LCD module are display data or control data LCD_WR Write control Signal LCD_RD Read control Signal But this pin used only for debugging L_DATA 00 15 Parallel data lines LCD_ID LCD type selection signals LCD_ID LCD maker 0V for LGIT 2 8V for Sharp For using 262K color data buses should be 16 bits Properties Spec Unit Active Screen Size 33 8mm ...

Страница 31: ...UT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 C306 1u C310 NA NA R301 C311 NA 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E150R101FR FL306 5 G1 10 G2 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL300 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 R304 100K 2V8_MV 1u C308 C_CD00_OUT C_CD00 L_D...

Страница 32: ...a module is controlled by AIT701G Interface is done by I2C and YCbCr format I2C is a control signal and YCbCr is real data interface signal Figure 3 6 2 SENSOR CHIP BLOCK DIAGRAM Figure 3 6 1 AIT701G BLOCK DIAGRAM LCD Interface sensor Interface Image Buffer Embedded Memory Frame Display Buffers Scalar Engine Micro Controller 16 bit Host Interface GPIOs LCD2 Interface PLL 2D Graphic Engine Data For...

Страница 33: ...J1 PHSYNC E3 PHWAIT_ K9 K2 PHWE_ A10 PLCD0 B10 PLCD1 B6 PLCD10 PLCD11 C5 PGPIO6 F9 D10 PGPIO7 PHCS_ K1 PHD0 J3 PHD1 H3 H10 PHD10 PHD11 H9 G10 PHD12 PHD13 G9 G8 PHD14 F10 PHD15 K4 PHD2 J4 PHD3 PHD4 K5 PHD5 J5 K6 PHD6 F8 GND_IO2 E2 PD0 PD1 E1 PD2 D1 D2 PD3 C2 PD4 PD5 C1 PD6 A1 PD7 B1 PDCLK F3 PGPIO0 E9 PGPIO1 D9 C10 PGPIO2 PGPIO3 B9 PGPIO4 A7 PGPIO5 B7 AIT701G U300 H6 GND_CORE H4 GND_IO0 GND_IO1 H7 ...

Страница 34: ...re outputs while the rows are inputs and have pull up resistors built in When a key is pressed the corresponding row and column are connected together causing the row input to go low and generate an interrupt The columns rows are then scanned by AD6721 to identify the pressed key Figure 3 7 Keypad Switches and Scanning CAM 7 9 5 CLR LEFT MENU 6 DOWN PWR 0 T SEND CONF SEL UP 8 4 2 RIGHT 3 FAV 1 R23...

Страница 35: ...art of AD6721 The digitized speech PCM 8KHz 16KHz is then passed to the DSP section of AD6721 for processing coding interleaving etc LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 8 Connection between Microphone and AD6721 Rev C Exchange Mic Polarity 1K R227 C212 39p 10u C211 C232 0 1u 39p C214 EVL5M02200 VA205 VA204 EVL5M...

Страница 36: ...N1 T15 AOUT2N2 U15 AOUT2P1 T14 U14 AOUT2P2 M17 AOUT3L AOUT3R N15 AIN1N U17 U18 K18 AFCDAC W18 ACCDETECT C151 39p 8 2 R114 NA C145 C148 0 1u NA C146 39p C152 C150 39p C154 47p 39p C153 SPK_RCV_P SPK_RCV_N SPK_P_ABB SPK_N_ABB AUXIN AUXIP ACC_DET AUXOP_R VINNORP AUXOP_L VINNORN TX_RAMP IP IN QP QN AFC AUDIO POWER AMP Rev C Change AMP Type QFN BGA Rev C Remove 0 Ohm pad between SPK RCV outputs C200 4 ...

Страница 37: ...TECT of AD6721 And then hook is detected 38 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 11 R ON 6 USB D 7 USB D 4 EAR_L 14 DSR 8 JACK_D 12 13 CHG 5 EAR_R 2 AUDIO 9 10 BATT 16 17 UART 15 VUSB 100K R312 100nH L301 L300 100nH 4 7u C330 2V8_VEXT 6 7 8 9 12 13 14 15 16 17 18 19 2 20 21 22 3 4 5 HSEJ 18S04 25R CN302 ...

Страница 38: ...ight illumination there are 12 Blue LEDs in Main Board which are driven by KEY_BACKLIGHT1 and 3 signal from AD6721 Figure 3 11 KEY BACK LIGHT ILLUMINTION KEY BACKLIGHT R212 47 LD208 R209 47 R211 47 47 R210 VA203 EVL5M02200 LD200 LD201 R206 VBAT 47 LD205 R216 47 LD202 47 R215 LD204 LD207 R207 47 R217 47 47 R208 LD209 R213 47 R214 47 LD206 LD211 LD210 LD203 VA201 VA202 KEY_BACKLIGHT ...

Страница 39: ...lumination LCD backlight LEDs is controlled by AD6721 via AAT3155 U302 Figure 3 12 MAIN LCD BACKLIGHT ILLUMINATION CHARGE PUMP 1u C331 C340 27p 1u C321 FB300 R323 1 5K 27p C338 1 D3 D4 12 11 EN_SET 4 GND IN 5 8 OUTCP U302 AAT3155ITP T1 10 C1 C1 9 C2 7 C2 6 3 D1 2 D2 C324 1u C339 27p 10u C320 R326 100K 27p C337 VBAT MLED1 MLED2 MLED3 MLED4 MLED LCD_DIM_CTRL ...

Страница 40: ... for training and service purposes 3 13 VIBRATOR The vibrator is placed in the folder cover and contacted to LCD MODULE The vibrator is driven from VIBRATOR GPIO_3 of AD6721 Figure 3 13 Vibrator VIBRATOR 1608 27p C217 Q200 Q1_B 2 Q1_C 6 Q1_E 1 5 Q2_B 3 Q2_C 4 Q2_E 4 7u C218 10 R241 VBAT VIBRATOR MOTOR ...

Страница 41: ...gic input BAT Charger output pin TA Travel Adaptor Input voltage AC 100V 250V 63Hz Output voltage DC 5 1V Output current Max 700mA Battery Li ion battery Max 4 2V Nom 3 7V Standard battery Capacity 800mAh 42 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 14 CIRCUIT FOR BATTERY CHARGING External Charger Re...

Страница 42: ...nly Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 1 RF Component TEST POINT FL401 U402 U401 X401 Figure 4 1 U401 Tx Module SKY77517 U402 AD6548 RF Main Chip Transceiver X401 Crystal 26MHz Clock FL401 Rx SAW filter ...

Страница 43: ...ervice purposes 44 4 TROUBLE SHOOTING 4 2 RX Trouble START Re download SW or Do calibration again HP8960 Test mode 190 CH 7 level setting TCH 190 CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 2 Check Mobile SW Rx Saw 3 Check RX I Q Signal CHECKING FLOW ...

Страница 44: ...45 1 Checking Crystal Circuit TP1 X401 TP2 26 MHzO K No No Crystal Circuit is OK See next Page to check Mobile SW See next Page to check Mobile SW Yes Change X401 VBAT 0 1u C419 2V8_VMEM 2V75_VVCXO C428 0 1u 0 1u C427 for DBB C406 NA C407 NA 1000p C401 26M TEST POINT CHECKING FLOW CIRCUIT WAVEFORM Graph 4 2 1 a Graph 4 2 1 b TP1 TP2 ...

Страница 45: ...C431 R413 C404 220 27p L422 4 7nH 0 01u C411 4 7p C450 OUT404 3p C426 18nH L403 12p C410 1000p C418 L401 39nH RF500 SW401 ANT G1 G2 RF R417 30 C409 22u C412 18p 24 R412 27p 100ohm R407 C405 4 7nH L421 3p C425 4 I2 O1_1 9 8 O1_2 7 O2_1 O2_2 6 FL401 B9310 SFSB0001301 G1 2 G2 3 G3 5 G4 10 1 I1 GND8 20 GND9 17 GSM_IN GSM_RX 7 18 NC PCS_IN 19 6 PCS_RX PGND 21 4 TX_EN VBATT 1 2 VLOGIC VRAMP 3 U401 SKY77...

Страница 46: ...d Open Yes Changing SW401 Check SW501 Pin ANT RF with No RF Cable Connected Short Yes Changing SW401 For these 2 test case No Call connection is needed No No Changing the Board Ant SW Mobile SW is OK See next Page to check Rx I Q Signal No For this RF Level test case RX Stand alone Mode is needed refer to chapter 10 Check Ant_SW1 PA_EN PA_BAND CHECKING FLOW Table 4 2 2 MODE ANT_SW1 PA_EN PA_BAND G...

Страница 47: ...efer to graph 4 2 3 TP7 TP8 TEST POINT WAVEFORM CIRCUIT Graph 4 2 3 Figure 4 2 3 17 VCC_TXVCO 12 13 VDD 15 VLDO1 VLDO2 16 9 VLDO3 26 25 RX1900B RX850 32 31 RX850B RX900 30 29 RX900B SCLK 6 5 SDATA 7 SEN 11 TXOP_HI TXOP_LO 10 18 VAFC_NC VBAT 14 VCC_BBI 4 24 VCC_BBQ 1 VCC_FE VCC_REF AD6548 U402 GND 33 I 2 3 IB NC 8 Q 23 22 QB 20 REFIN REFINB 19 REF_OP 21 RX1800 28 27 RX1800B RX1900 33p C414 C417 0 1...

Страница 48: ...SHOOTING 49 START Redownload SW or Do calibration again HP8960 Test mode 190 CH 7 level setting TCH 190 CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 3 Check PAM control Signal TP11 12 13 15 16 4 Check TX I Q Signal TP17 18 2 Check Mobile SW FEM TP14 4 3 TX Trouble CHECKING FLOW ...

Страница 49: ...nd service purposes X401 TP9 TP10 26 MHzO K No No Crystal Circuit is OK See next Page to check Mobile SW See next Page to check Mobile SW Yes Change X401 VBAT 0 1u C419 2V8_VMEM 2V75_VVCXO C428 0 1u 0 1u C427 for DBB C406 NA C407 NA 1000p C401 26M TEST POINT CHECKING FLOW CIRCUIT WAVEFORM Graph 4 3 1 a Graph 4 3 1 b TP9 TP10 ...

Страница 50: ... 220 27p L422 4 7nH 0 01u C411 4 7p C450 OUT404 3p C426 18nH L403 12p C410 1000p C418 L401 39nH RF500 SW401 ANT G1 G2 RF R417 30 C409 22u C412 18p 24 R412 27p 100ohm R407 C405 4 7nH L421 3p C425 4 I2 O1_1 9 8 O1_2 7 O2_1 O2_2 6 FL401 B9310 SFSB0001301 G1 2 G2 3 G3 5 G4 10 1 I1 GND8 20 GND9 17 GSM_IN GSM_RX 7 18 NC PCS_IN 19 6 PCS_RX PGND 21 4 TX_EN VBATT 1 2 VLOGIC VRAMP 3 U401 SKY77517 ANT 11 BS ...

Страница 51: ...d Open Yes Changing SW401 Check SW501 Pin ANT RF with No RF Cable Connected Short Yes Changing SW401 For these 2 test case No Call connection is needed No No Changing the Board Ant SW Mobile SW is OK See next Page to check Rx I Q Signal No For this RF Level test case RX Stand alone Mode is needed refer to chapter 10 Check Ant_SW1 PA_EN PA_BAND CHECKING FLOW Table 4 3 2 MODE ANT_SW1 PA_EN PA_BAND G...

Страница 52: ...s No Check TP15 16 Any Major Difference or not Similar Yes No Go to Next Step Similar Yes No Re download S W Check if there is Any Major Difference or not Refer to Graph 4 3 3 U401 TP15 TP16 68p C403 68 R410 100ohm R406 C404 27p 27p 100ohm R407 C405 39p C402 100ohm R411 PA_BAND TX_RAMP PA_EN ANT_SW1 TEST POINT CHECKING FLOW WAVEFORM CIRCUIT Graph 4 3 3 Figure 4 3 3 TP16 TP15 ...

Страница 53: ...ce U503 TP17 TP18 TEST POINT WAVEFORM CIRCUIT Graph 4 3 4 Figure 4 3 4 17 VCC_TXVCO 12 13 VDD 15 VLDO1 VLDO2 16 9 VLDO3 26 25 RX1900B RX850 32 31 RX850B RX900 30 29 RX900B SCLK 6 5 SDATA 7 SEN 11 TXOP_HI TXOP_LO 10 18 VAFC_NC VBAT 14 VCC_BBI 4 24 VCC_BBQ 1 VCC_FE VCC_REF AD6548 U402 GND 33 I 2 3 IB NC 8 Q 23 22 QB 20 REFIN REFINB 19 REF_OP 21 RX1800 28 27 RX1800B RX1900 33p C414 C417 0 1u C435 100...

Страница 54: ... C134 T19 VUSB_A VMEMFB W13 VMEMOUT V12 U12 VMEMSEL VMIC U19 VRF M19 W15 VRTC T11 VRTCSEL V14 VSIM_A VEXT_REG1 V11 VEXT_REG2 W11 VGP W14 V8 VCORE W8 VCOREOUT VABB_LDO VAPP P18 L14 VAPPCFG VAPPGATE N19 N18 PWREN V17 PWRON V5 RESET J8 J9 RESET1P8 K9 RESET2P8 MCLK V7 INT K10 DBBON V6 U7 CLKOUT ABB_IGQ_GPIO_48 J10 R107 3300 3 1 2 KDR331V D100 2 2u C124 C126 1u C132 1u C128 1u 1V8_VCORE 1V8_VRTC C125 1...

Страница 55: ... LDO outputs at U102 Logic level at RPWRON of U102 HIGH above 1 2V Is the phone power on The phone will Properly operating Charge or Change Battery Check the contact of power key Or dome switch Re download software 1V8_VCORE 1 8V VVCXO 2 75V 2V8_VMEM 2 8V 2V85_ VSIM 2 85V 2V8_VEXT 2 8V 1V8_VRTC 1 8V 2V5_VMIC 2 5V Replace U102 Does it work properly Replace the main board YES YES YES YES YES NO NO N...

Страница 56: ...ining and service purposes 4 5 Charging Trouble CN302 U203 TP2 TP1 TEST POINT 100K R253 USB_VBUS 10K R250 33K R254 VCHARGE C228 1u C227 1u R252 100K 10K R255 C442 VBAT 47p BAT 10 CRDL 1 8 GND ICDL 9 6 IMIN PGND 11 2 USB USBON 7 4 _CHG _EN 5 _PPR 3 ISL6299 U203 1u C226 _CHG_EN USB_DET CIRCUIT Figure 4 5 TP1 TP2 ...

Страница 57: ... soldered Voltage at anode of C227 5 1V Is Voltage across R253 LOW YES YES YES Battery is charged YES Charging is properly operating NO NO NO NO Resolder the CN302 Pin 12 13 VCHARGE The TA is out of order Change the TA 1 Download S W again 2 Replace the U203 Replace the main board Battery is charged NO Change the battery Charging is properly operating YES CHECKING FLOW ...

Страница 58: ...reserved Only for training and service purposes 4 TROUBLE SHOOTING 59 4 6 Vibrator Trouble Q200 C217 R241 TP1 TP2 TP3 TEST POINT VIBRATOR 1608 27p C217 Q200 Q1_B 2 Q1_C 6 Q1_E 1 5 Q2_B 3 Q2_C 4 Q2_E 4 7u C218 10 R241 VBAT VIBRATOR MOTOR CIRCUIT Figure 4 6 TP3 TP1 TP2 ...

Страница 59: ...u START Is the voltage at pin 2 of Q200 high 0 66V YES NO Is the voltage at pin 4 of Q200 equal to VBAT YES Is the voltage at C218 high VBAT YES Check the soldering of vibrator YES Replace vibrator YES Vibrator Working well Check the U102 Output soldering NO Check the soldering Of Q200 If overall current is abnormal pl re ace Main Board NO Check the soldering of R241 Q200 Resolder or Replace vibra...

Страница 60: ...BLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 7 LCD Trouble TEST POINT CN300 U304 FL306 FL304 FL302 FL300 FL308 OK TP1 Figure 4 7 ...

Страница 61: ...T_B2 8 7 INOUT_B3 INOUT_B4 6 FL300 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 R304 100K 2V8_MV 1u C308 L_DATA06 L_DATAOUT04 L_DATAOUT06 IF_MODE C_RST C_PCLK_OUT L_DATAOUT07 L_DATAOUT05 L_DATA07 L_DATA05 L_DATA04 LCD_RESET C_CD06_OUT L_DATAOUT00 L_DATAOUT02 L_DATAOUT03 L_DATAOUT04 C_CD01_OUT C_CD03_OUT C_MCLK_IN SPK_RCV_P SPK_RCV_N C_CD04_OUT MLED1 MLED3 VSYNCOUT L_DATAOUT05 L_...

Страница 62: ...onnector on PCB CN300 ok YES NO Reassemble FPCB with CN300 connector Is Voltage pin7 of U304 2 8V NO Replace U304 Check the soldering of CN300 NO Change the FPCB and try again YES YES YES Check the soldering of EMI filter Resolder CN300 NO Resoldering EMI filter FL300 FL302 FL304 FL306 FL308 Does LCD work properly NO Replace LCD module YES LCD working well YES CHECKING FLOW ...

Страница 63: ...se Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 64 4 8 Camera Trouble FL305 U300 AIT701 U304 LDO FL301 FL303 FL307 TP1 TP2 TEST POINT Figure 4 8 ...

Страница 64: ...D04 C_CD05 C_CD06 C_CD07 C_HS_OUT C_VS_OUT C_HS C_VS L_DATAOUT14 L_DATAOUT15 LCD_ID L_SUB_LCD_CS_OUT C_CD01_OUT MLED4 MLED2 MLED L_DATAOUT06 L_DATAOUT11 L_DATAOUT01 L_DATAOUT13 2V8_MV 100K R307 1000p C312 C316 1u 1u C302 BYPASS 1V8_VCAM R305 0 1u C317 2V8_MV C301 0 01u 2V8_MV E8 VDD_IO2 PLCD_A0 B3 PLCD_RD_ A3 A4 PLCD_WE_ J2 PMCLK PPXL_CLK F1 PRST_ K3 PSCAN_EN D3 G2 PSCK H2 PSDA PSEN H1 F2 PS_RST_ ...

Страница 65: ...uble YES NO Replace the U304 Change the camera module Does it work properly YES Itís camera moduleís problem Replace the camera module Check the voltage of pin 8 of U304 is 2 8V and Voltage of pin 7 of U304 is 1 8V YES Check the signals of the FL301 FL303 FL305 FL307 YES Camera will work properly NO NO Go to the LCD trouble Replace FL301 FL303 FL305 FL307 NO CHECKING FLOW ...

Страница 66: ...UT2P2 M17 AOUT3L AOUT3R N15 W18 ACCDETECT C151 39p 8 2 R114 C148 0 1u 39p C152 C150 39p 39p C153 SPK_RCV_P SPK_RCV_N SPK_P_ABB SPK_N_ABB ACC_DET AUXOP_R AUXOP_L AUDIO POWER AMP Rev C Change AMP Type QFN BGA Rev C Remove 0 Ohm pad between SPK RCV outputs C200 4 7n R222 100K B3 VO A1 VO _SHUTDOWN B1 U200 TPA6205A1ZQVR C1 BYPASS B2 GND IN C2 IN C3 VDD A3 C205 220n C206 4 7n R218 10K 10K R219 39K R224...

Страница 67: ...ining and service purposes 4 TROUBLE SHOOTING 68 START Check the state of contact of speaker Speaker Working well Check the Audio signal R218 R219 No Yes Change the U102 Replace Change speaker No Check the Power voltage U200 VBAT And work properly No Yes Change the U403 Yes CHECKING FLOW ...

Страница 68: ...ce purposes 4 TROUBLE SHOOTING 69 4 10 SIM Card Interface Trouble TEST POINT CIRCUIT TP2 J200 TP1 N A resistor R246 NECTOR 2V85_VSIM 0 R249 C224 1000p 2V85_VSIM 15K R243 NA C223 C222 NA C221 220n J200 1 C1 2 C2 C3 3 4 C5 C6 5 C7 6 GND1 7 8 GND2 GND3 9 10 GND4 SIM_RST SIM_CLK SIM_DATA Figure 4 10 TP1 TP2 ...

Страница 69: ...e SIM Card This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin1 pin6 of J200 2 85V NO Change the U102 NO YES Resolder J200 YES Voltage output of VSIM LDO Is 2 85V CHECK C221 R249 Change the SIM Card And try again Does it work Properly YES SIM card is properly working Redownload SW Does it work Properly NO Change the main board NO YES SIM card is properly working CHECKING FLOW ...

Страница 70: ...CHG 5 EAR_R 2 AUDIO 9 10 BATT 16 17 UART 15 VUSB 100K R312 100nH L301 L300 100nH 4 7u C330 2V8_VEXT 6 7 8 9 12 13 14 15 16 17 18 19 2 20 21 22 3 4 5 HSEJ 18S04 25R CN302 1 10 11 C349 47p C315 1u 1u C334 VBAT R310 20 100K R314 47 R318 18p C332 C360 100p USB_VBUS VCH 100K R315 C350 47p 18p C333 HS_OUT_L HS_OUT_R JACK_DETECT IO_P7 IO_P6 RPWRON USC2 HS_MIC USC1 DSR 2V8_VEXT C351 1u C318 100u 5 7 NC2 2...

Страница 71: ...pment to echo mode Change the earphone and try again NO Can you hear the sound from the earphone Set the audio part of the test equipment to PRBS or Continuous wave mode YES YES Resolder JACK_DETECT pin Check JACK_DETECT pin 8 in CN302 Resolder R310 NO YES Can you hear the sound from the earphone NO Change the earphone and try again NO Can you hear your voice from the earphone NO Resolder C318 C31...

Страница 72: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 73 4 12 KEY backlight Trouble TEST POINT TP1 Figure 4 12 ...

Страница 73: ...6 VBAT 47 LD205 R216 47 LD202 47 R215 LD204 LD207 R207 47 R217 47 47 R208 LD209 R213 47 R214 47 LD206 LD211 LD210 LD203 VA201 VA202 KEY_BACKLIGHT CIRCUIT Is the level Period at VA203 Low Duty 70 START Is the level Period at VA203 High Duty 30 NO Check U102 YES Are all LEDs Working NO YES Check the soldering each R and LED Backlight will work properly NO Replace or resolder component NO Check U102 ...

Страница 74: ...TEST POINT U102 TP1 TP2 TEST POINT R115 8 2 C149 NA NC4 NC5 V2 W1 NC6 JACKSENSE U16 M16 AIN3COMMON M15 AIN3L N14 AIN3R AOUT1N N16 AOUT1P N17 AOUT2N1 T15 AOUT2N2 U15 AOUT2P1 T14 U14 AOUT2P2 M17 AOUT3L AOUT3R N15 W18 ACCDETECT C151 39p 8 2 R114 C148 0 1u 39p C152 C150 39p 39p C153 SPK_RCV_P SPK_RCV_N SPK_P_ABB SPK_N_ABB ACC_DET AUXOP_R AUXOP_L Figure 4 13 TP1 ...

Страница 75: ...es START Does waveform at R114 and R115 fluctuate NO Change the U102 YES Receiver will work properly SETTING After initialize Agilent 8960 Test GSM850 PCS mode Set the property of audio as PRBS or continuous wave Set the receiving volume of mobile as Max Is receiver connected Properly YES NO Resolder Change the receiver CHECKING FLOW ...

Страница 76: ...purposes 4 14 Microphone Trouble TEST POINT TP2 TP1 MIC200 TP3 CIRCUIT Rev C Exchange Mic Polarity 1K R227 C212 39p 10u C211 C232 0 1u 39p C214 EVL5M02200 VA205 VA204 EVL5M02200 C215 39p 100ohm R231 2 2K R239 R235 100ohm 2V5_VMIC 39p C231 MIC200 1 2 OB4 15L42 C33L 2 2K R230 39p C213 VINNORN VINNORP Figure 4 14 TP1 TP3 MIC200 TP2 ...

Страница 77: ...ly SETTING After initialize Agilent 8960 Test GSM850 PCS mode YES Check the signal Level at each side of MIC200 Is it a few tens mV AC Check the soldering of R231 R235 R236 Make a phone call then check R227 mic bias signal comes from U102 NO Change the microphone YES NO Resolder component 1 Check mic Bias signal line 2 Change the U102 Check microphone sound hole CHECKING FLOW ...

Страница 78: ...nal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 15 RTC Trouble TEST POINT X100 TP1 CIRCUIT C118 NA NA R103 NA C116 10M 2 3 4 R102 MC 146_12_5PFX100 32 768KHz 1 Figure 4 15 TP1 ...

Страница 79: ...Only for training and service purposes RTC will work properly Is frequency at R102 about 32 768KHz START Resolder the X100 or change the X100 NO YES YES Is voltage at R102 about 400mV Resolder the X100 or change the X100 NO Is RTC properly working NO Re download software and try again YES CHECK FLOW ...

Страница 80: ...ight 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 16 Folder on off Trouble TEST POINT U201 TP1 TP2 CIRCUIT C209 1u 27p C210 U201 3 NC 2 OUT VDD 1 4 VSS EM 1681 FT 27p C207 2V8_VMEM 1u C208 FLIP Figure 4 16 TP2 TP1 ...

Страница 81: ...lder on off will work properly Is there the magnet in the Folder START Replace U102 Place the magnet properly NO Voltage at pin 1 of U201 2 8V YES NO Voltage of VMEM at U102 2 8V NO Resolder U201 YES Open Folder Voltage at pin 2 of U201 2 8V Resolder U201 NO YES Close folder Voltage at pin 2 of U201 0V YES Replace U201 NO YES CHECKING FLOW ...

Страница 82: ...IT Rev C Remove T flash detect 2 8V 150mA T FLASH 2V85_TF R247 5 6K 5 6K R248 470K R251 12 GND4 4 VDD 6 VSS 5 CLK 3 CMD 7 DAT0 DAT1 8 DAT2 1 DAT3 2 GND1 9 GND2 10 GND3 11 J201 C225 NA 1u C220 2V85_TF VBAT 100K R242 R256 0 R244 5 6K R246 5 6K 1u C219 3 4 VOUT U202 BH28FB1WHFV BGND 6 2 GND NC 5 1 STBY VIN NA R245 TFLASH_EN T_Detect T_DATA3 T_DATA2 T_CLK T_CMD T_DATA0 T_DATA1 Figure 4 17 TP2 TP1 ...

Страница 83: ...rved Only for training and service purposes Micro SD Card will work properly Micro SD Detect OK START Re attach or Replace J201 NO YES T_DATA3 Is High NO YES Check out T_CLK Data Timing OK Re download SW NO YES YES Replace Micro SD Card Check 2V85_TF C220 2 85V YES NO Change U202 CHECKING FLOW ...

Страница 84: ...5 DOWNLOAD LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 1 Download A Download Setup Figure 5 1 describes Download setupp Figure 5 1 Download Setup ...

Страница 85: ...E Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 86 B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...

Страница 86: ...Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 2 Select Configuration from the menu and you may see this window 3 Press key to select DLL file and press Open ...

Страница 87: ... Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 88 5 DOWNLOAD 4 Press key to select the mot files 5 Select AlchemyData mot and press open 6 Repeat step 4 5 to select CodeData mot ...

Страница 88: ...ternal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 89 5 DOWNLOAD 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration Select Rate ...

Страница 89: ...08 LG Electronics Inc All right reserved Only for training and service purposes 90 5 DOWNLOAD 9 Press START to execute download 10 Once downloading is started press STOP button to keep from re downloading after downloading is completed ...

Страница 90: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 91 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM Figure 6 1 LG KP210a Block Diagram ...

Страница 92: ...LK A11 K16 CHGDET CHGLIGHT T12 CLKIN B9 CLKMUXOUT_GPO_4 D4 H8 CLKON U7 CLKOUT CLKOUT_GATE R10 CRST W12 R8 CSDD_DBB CSDI_ABB ASDI_DBB M9 ASDO_ABB L8 ASDO_DBB ASFS_ABB P10 ASFS_DBB P9 ASM T7 L3 ATSM_GPO_6 M13 AUXADC1 AUXADC2 M14 AUXCS1 E9 BATTEMP L13 BATTYPE J14 K2 BKLIGHT0_GPO_22 BKLIGHT1_GPO_23 L2 N8 BSDI_DBB BSDL_ABB M11 BSDO_ABB AIN1P V19 AIN2N V18 AIN2P M16 AIN3COMMON M15 AIN3L N14 AIN3R AOUT1N...

Страница 93: ...7 10K R250 39p C214 LD204 MENU 100K R242 LD207 R207 R256 0 47 EVL5M02200 VA205 27p C207 R217 47 UP 4 7u C218 10 R241 R244 5 6K 2 2u C201 680 680 R204 R229 varistor VA200 SHARP SW208 33K R254 VA204 EVL5M02200 VCHARGE C215 47 R208 39p LD209 100ohm R231 2 2K R239 R235 100ohm R246 2V5_VMIC C228 5 6K VBAT 1u C227 1u R213 47 R214 47 39p C231 15K R243 C204 LEFT 0 47u LD206 R201 39K 680 R221 R205 680 NA C...

Страница 94: ...26 100K 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 USB_VBUS VCH FL300 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 100K R315 C301 0 01u R304 100K 2V8_MV E8 VDD_IO2 1V8_VCAM 27p C337 PLCD_A0 B3 PLCD_RD_ A3 A4 PLCD_WE_ J2 PMCLK PPXL_CLK F1 PRST_ K3 PSCAN_EN D3 G2 PSCK H2 PSDA PSEN H1 F2 PS_RST_ E10 PTEST_EN PVSYNC G1 VDD_CORE H5 VDD_IO0 G3 H8 VDD_IO1 PLCD12 B5 A6 PLCD1...

Страница 95: ...68 R410 VBAT R416 180 R401 0 0 R402 C422 NA 100ohm R406 C417 0 1u C406 NA C423 C407 NA 3p VBAT 3p C431 0 1u C419 R413 C404 220 27p C420 27p L422 4 7nH 0 01u 2V8_VMEM R415 1K C411 4 7p C450 OUT404 220n C424 3p C426 C435 100p 100p 18nH C416 10p L403 12p C408 C410 1000p C418 L401 39nH RF500 SW401 ANT G1 G2 RF R417 30 C434 100p 100p C433 2V75_VVCXO C428 0 1u C409 22u C412 18p 24 R412 27p 100ohm R407 C...

Страница 96: ... MLED MLED1 MLED3 VSYNCOUT L_DATAOUT05 L_DATAOUT06 L_DATAOUT07 L_DATAOUT12 L_DATAOUT10 CAM_PWR_EN C_MCLK_IN L_SUB_LCD_CS_OUT L_DATAOUT00 L_DATAOUT01 L_DATAOUT02 L_DATAOUT03 L_DATAOUT04 L_DATAOUT13 L_DATAOUT14 L_DATAOUT15 LCD_WR_OUT L_MAIN_LCD_CS_OUT LCD_RS_OUT IF_MODE LCD_ID LCD_RD SPK_RCV_P CAM_PWR_EN C_CD06_OUT C_CD07_OUT C_VS_OUT C_SDA_IN C_SCL_IN C_RST C_CD00_OUT C_CD01_OUT C_CD03_OUT C_CD02_O...

Страница 97: ... A B 9 5 D 4 GND 4 6 7 C 3 KEY_COL1 1 A KEY_COL2 1 2 3 4 D 1 C 2 8 5 2 B 2 DOWN 1 CN101 UP DOWN 7 CIRCUIT DIAGRAM LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 98: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 99 8 BGA IC Pin Check 8 BGA IC Pin Check AD6721 EUSY0321501 USE NOT IN USE ...

Страница 99: ...eck LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes AIT701G EUSY0318501 A B C D E F G H J K 1 2 3 4 5 6 7 8 9 10 AIT701G EUSY0318501 TOP VIEW USE NOT IN USE ...

Страница 102: ... 103 9 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes U201 Flip Switch NO Flip Detection Q200 BJT For Motor NO Motor ...

Страница 103: ... Folder Connector NO Camera NO Display NO Motor NO Speaker NO Receiver U102 Atlas_2H Main Chipset NO PowerON NO Display NO Servivw U200 Audio Speaker AMP NO Speaker Sound U203 External Charger NO Charging U402 AD6548 Tranceiver NO Service FL401 SAW Filter NO Service U202 T Flash LDO NO T Flash U300 Camera IC NO Camera U401 PAM TX Module ...

Страница 108: ...ching the engineering mode on is 2945 Pressing END will switch back to non engineering mode operation C Key Operation Use Up and Down key to select a menu and press select key to progress the test Pressing back key will switch back to the original test menu D Engineering Mode Menu Tree Engineering Mode BB Test RF Test MF Mode Trace option Call Timer CAMERA LCD Backlight Buzzer Vibrator ADC Battery...

Страница 109: ...ht on LCD Backlight on 2 Backlight off LCD Backlight off 3 Backlight value This controls brightness of Backlight When entering into the menu the present backlight value in the phone is displayed Use Left Right key to adjust the level of brightness The value of the brightness set at last will be saved in the NVRAM 10 1 4 Buzzer This menu is to test the melody sound 1 Melody on Melody sound is playe...

Страница 110: ... 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 10 1 8 Audio This is NOT a necessary menu to be used by neither engineers nor users 9 1 9 DAI Digital ...

Страница 111: ...r completing the test 10 3 1 All auto test LCD Backlight Vibrator Buzzer Key Pad Mic Speaker 10 3 2 Backlight LCD Backlight is on for about 1 5 seconds at the same time then off 10 3 3 Buzzer This menu is to test the volume of Melody It rings in the following sequence Volume 1 Volume 2 Volume 3 Volume 0 mute Volume 4 Volume 5 10 3 4 Vibrator Vibrator is on for about 1 5 seconds 10 3 5 LCD 1 LCD Ma...

Страница 112: ...he Digital Audio Interface Mode for Speech Transcoder and Acoustic testing 1 All calls This displays total conversation time User cannot reset this value 2 Reset settings This resets total conversation time to this 00 00 00 10 6 Fact Reset MENU 6 This Factory Reset menu is to format data block in the flash memory and this procedure set up the default value in data block Attention 1 Fact Reset i e ...

Страница 113: ...alues as explained below Port select a correct COM port Baud rate 115000 Leave the rest as default values B Tx 1 Selecting Channel Select one of GSM or DCS PCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM850 between 5 19 or DCS PCS between 0 15 c Scaling Factor A Ramp Factor appears on the screen You may ...

Страница 114: ...nly for training and service purposes 115 11 STAND ALONE TEST 11 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 Connect Button Figure 11 3 1 HW test program ...

Страница 115: ... 116 11 STAND ALONE TEST LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 11 3 2 HW test setting Figure 11 3 3 Ramping profile ...

Страница 116: ...rates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone 12 2 Equipment List Figure 12 2 1 Equipment Setup 12 AUTO CALIBRATION Equipment for Calibration Type Model Brand Wireless Communication Test Set HP 8960 Agilent RS 232 Cable and Test JIG LG RF Cable LG Power Supply HP 66311B Agilent GPIO interface card H...

Страница 117: ...ig Power Switch Number Name Description Switch 1 ADI REMOTE In ON state phone is awaked It is used ADI chipset Switch 2 TI REMOTE In ON state phone is awaked It is used TI chipset Switch 3 VBAT Power is provided for phone from battery Switch 4 PS Power is provided for phone from Power supply Table 12 3 2 Jig DIP Switch LED Number Name Description LED 1 POWER Power is provided for Test Jig LED 2 TA...

Страница 118: ...ort of PC and MON port of TEST JIG in general 2 Set the Power Supply 4 0V 3 Set the 3rd 4th of DIP SW ON state always 4 Press the Phone power key if the Remote ON is used 1st ON state 12 4 Procedure 1 Connect as Fig 12 2 2 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Run Hot_Kimchi exe to start calibration 3 From the Calibration menu Select KP210 3 K...

Страница 119: ... 120 12 AUTO CALIBRATION 4 Press Calibration START LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 KP210a KP210a ...

Страница 120: ...in code and the same measure is performed per every frequency 12 6 APC This procedure is for Tx calibration In this procedure you can get proper scale factor value and measured power level 12 7 ADC This procedure is for battery calibration You can get main Battery Config Table and temperature Config Table will be reset LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only...

Страница 122: ... 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 36 46 41 35 34 40 38 37 39 55 48 56 27 12 17 24 20 3 4 10 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 123: ... 124 A B C D E F G H I J K L M N N M L K J I H G F E D C B A ASS Y EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 124: ...NET SWITCH MMAA0001601 7100 magnetic Silver 21 5 MPBG00 PAD LCD MPBG0066601 COMPLEX empty Black 22 5 MPBM00 PAD RECEIVER MPBM0019901 COMPLEX empty Black 5 MPBZ00 PAD MPBZ0193401 COMPLEX empty Black 28 5 MTAD00 TAPE WINDOW MTAD0074301 COMPLEX empty Transparent 23 5 MTAF00 TAPE MOTOR MTAF0014301 COMPLEX empty Black 24 5 MTAK00 TAPE CAMERA MTAK0003301 COMPLEX empty Transparent 25 4 ACGJ00 COVER ASSY ...

Страница 125: ...ER MSGC0001304 Dark Silver 38 5 MTAG00 TAPE BUTTON MTAG0006601 COMPLEX empty Green 40 5 MTCB00 TERMINAL PIN MTCB0011501 PRESS STS Without Color 41 4 GMEY00 SCREW MACHINE BIND GMEY0002001 1 4 mm 3 mm MSWR3 BK B HEAD t 0 6 HEAD d2 7 32 4 MCCH01 CAP SCREW MCCH0112904 Dark Silver 33 4 MFDY00 FOOT MFDY0008001 MOLD Urethane Rubber S190A Silver 16 4 MIDZ00 INSULATOR MIDZ0151601 COMPLEX empty Green 18 4 M...

Страница 126: ...ription Part Number Spec Color Remark 3 MBJA00 BUTTON DIAL MBJA0028001 MOLD PC LUPOY SC 1004A Without Color 3 MCCH00 CAP SCREW MCCH0112804 Black 57 3 MLAK00 LABEL MODEL MLAK0006901 PRINTING empty White 5 ADCA00 DOME ASSY METAL ADCA0071301 KP210 VIVSV DOME SHEET White 43 5 MCBA00 CAN SHIELD MCBA0022101 PRESS STS Silver 45 5 MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color ...

Страница 127: ...SVLM0023201 MAIN 1 77 128 160 _Sub 1 04 96 64 CSTN 33 8 46 24 3 5 262k TFT TM LGDP4513_ST7628 with SUS NTSC_60 Sub CSTN_SII 14 C 4 ENZY00 CONNECTOR ETC ENZY0019901 3 PIN 3 mm STRAIGHT 49 4 SNGF00 ANTENNA GSM FIXED SNGF0029502 3 0 2 0 dBd internal GSM900 1800 DUAL 2 0 50 3 0 3 SAFY00 PCB ASSY MAIN SAFY0233611 Blue 44 L 4 SAFB00 PCB ASSY MAIN INSERT SAFB0077601 Blue 5 MIC200 MICROPHONE SUMY0007102 F...

Страница 128: ...HIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C119 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C120 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C121 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C122 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C123 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C124 CAP CERAMIC CHIP ECCH0005603 ...

Страница 129: ...IP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C153 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C154 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C200 CAP CERAMIC CHIP ECCH0000145 1 5 nF 50V K X7R HD 1005 R TP 6 C201 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C202 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C203 CAP CHIP MAKER ECZH0001...

Страница 130: ...R TC 1005 R TP 6 C307 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C312 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C315 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C316 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C317 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP...

Страница 131: ... 10 uF 6 3V M X5R TC 1608 R TP 6 C348 CAP TANTAL CHIP ECTH0001902 10 uF 10V M L_ESR 1608 R TP 6 C349 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C350 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C351 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C360 CAP CHIP MAKER ECZH0002929 100 pF 50V J X7R TC 1005 R TP 6 C371 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R...

Страница 132: ...P 6 C428 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C429 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C430 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C431 CAP CERAMIC CHIP ECCH0000104 3 pF 50V C NP0 TC 1005 R TP 6 C432 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C433 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C434 CAP CHI...

Страница 133: ... L421 INDUCTOR CHIP ELCH0001035 4 7 nH S 1005 R TP PBFREE 6 L422 INDUCTOR CHIP ELCH0001035 4 7 nH S 1005 R TP PBFREE 6 R100 RES CHIP ERHY0000186 2 2 Kohm 1 16W F 1005 R TP 6 R102 RES CHIP ERHY0000512 10M ohm 1 16W J 1608 R TP 6 R104 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R106 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R107 RES CHIP MAKER ERHZ0000465 3300 ohm 1 16W J 10...

Страница 134: ...S CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R253 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R254 RES CHIP MAKER ERHZ0000466 33 Kohm 1 16W J 1005 R TP 6 R255 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R300 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R302 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 6 R303 RES CHIP MAKER ERHZ0000485 4700 ohm 1 ...

Страница 135: ...R417 RES CHIP MAKER ERHZ0000457 30 ohm 1 16W J 1005 R TP 6 R418 RES CHIP MAKER ERHZ0000429 180 ohm 1 16W J 1005 R TP 6 SW401 CONN RF SWITCH ENWY0004501 SMD dB H 3 6 Straight type 6 U100 IC EUSY0306901 8 10 1 2 88 PIN R TP Compatible with Intel 6 U101 IC EUSY0149402 SOT 553 5 PIN R TP Single 2 Input AND Gate 6 U102 IC EUSY0321501 BGA 361 PIN R TP 13 13 6 U200 IC EUSY0349001 BGA 8 PIN R TP Class AB ...

Страница 136: ...SD Filter 100Ohm 15pF Pb free 6 FL301 FILTER EMI POWER SFEY0011601 SMD SMD 18 V 4ch EMI_ESD Filter 50 Ohm 15pF 6 FL302 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL308 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 L405 INDUCTOR CHIP ELCH0001401 15 nH J 1005 R TP Pb Free 6 LD200 DIODE LED CHIP EDLH0004501 BLUE 1608 R TP 6 ...

Страница 137: ...R ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R216 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R217 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R221 RES CHIP MAKER ERHZ0000505 680 ohm 1 16W J 1005 R TP 6 R223 RES CHIP MAKER ERHZ0000505 680 ohm 1 16W J 1005 R TP 6 R225 RES CHIP MAKER ERHZ0000505 680 ohm 1 16W J 1005 R TP 6 R226 RES CHIP MAKER ERHZ0000505 680 ohm 1 16W J 1005 R TP 6 R...

Страница 138: ...Note ...

Страница 139: ...Note ...

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