LG C3380 Service Manual Download Page 61

Page: 61 / 149

(1) Checking Regulator Circuit

4. TROUBLE SHOOTING

- 62 -

U503.3

U503.5

U503

RF_LDO

(1608)

RF2.85V

VBAT

C536

4.7u

C537

BYP

GND

OUT

22n

C535

U503

MIC5255-2.85BM5

CLKON

Regulator Circuit is OK

See next Page to check

VCTCXO

Voltage at

Pin5 of U503

Is 2.8V?

Level at

Pin3 of U503

Is high?

YES

Replace U503

YES

Change main board

Test Points

Circuit Diagram

Checking Flow

Figure 4-2

Summary of Contents for C3380

Page 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...

Page 2: ... 8 Speaker Trouble 78 4 9 SIM Card Interface Trouble 80 4 10 Earphone Trouble 82 4 11 KEY backlight Trouble 84 4 12 Receiver Trouble 86 4 13 Microphone Trouble 88 4 14 RTC Trouble 90 4 15 Indication LED Trouble 92 4 16 Folder on off Trouble 94 4 17 Bluetooth Trouble 96 5 DOWNLOAD AND CALIBRATION 100 5 1 Download 100 5 2 Calibration 106 6 BLOCK DIAGRAM 109 7 CIRCUIT DIAGRAM 111 8 PCB LAYOUT 117 9 E...

Page 3: ... 4 ...

Page 4: ...t be responsible for any charges that result from such unauthorized 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 do...

Page 5: ...ment medical equipment etc Interference from unsuppressed 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 boar...

Page 6: ...Bm 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 Intermediate Frequency LCD Liquid Crystal Display LDO Low D...

Page 7: ...al 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 VCTCXO Voltage Control Temperature Compensated Crystal Osci...

Page 8: ...urs RX Sensitivity GSM EGSM 107dBm DCS 107dBm TX output power GSM EGSM 33dBm Level 5 DCS 30dBm Level 0 GPRS compatibility Class 10 SIM card type 3V Small Display Main LCD CSTN 128 x 160 pixel 65K Color Sub LCD STN 96 x 64 pixel MONO Color Hard icons Key Pad 0 9 Up Down Navigation Key Status Indicator Menu Key Clear Key Send Key END PWR Key Soft Key Left Right ANT Internal EAR Phone Jack Yes mono P...

Page 9: ...y Error 0 1 ppm GSM EGSM 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 DCS 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 24...

Page 10: ...1 800 60 1 800 3 000 63 3 000 6 000 65 5 Output RF Spectrum 6 000 71 due to modulation DCS 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 GSM EGSM Offset from Carrier kHz Max dBm Output RF Spectrum 400 19 6 due to switching transient 600 21 1 200 21 1 800 24 ...

Page 11: ...BER Class II 2 439 102 dBm DCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 11 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 7 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3 400 2 10 4 000 2 Mean that Adopt a straight line in between 300 Hz ...

Page 12: ...68KHz tolerance 30ppm At least 65 dBspl under below conditions 20 Ringer Volume 1 Ringer set as ringer 2 Test distance set as 50 cm 21 Charge Current Fast Charge 430 mA Slow Charge 160 mA Antenna Bar Number Power 5 85 dBm 4 90 dBm 86 dBm 22 Antenna Display 3 95 dBm 91 dBm 2 100 dBm 96 dBm 1 105 dBm 101 dBm 0 105 dBm Battery Bar Number Voltage 0 3 51V 3 61V 23 Battery Indicator 1 3 62V 3 69V 2 3 70...

Page 13: ...ification 25 Forced shut down Voltage 3 35 0 03 V 1 Li ion Battery 26 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 1000mAh Switching mode charger 27 Travel Charger Input 100 240 V 50 60Hz Out put 5 2V 800mA ...

Page 14: ...ceiver is the integrated RF front end for multi band GSM GPRS digital cellular handsets and wireless data modems The integrated solution eliminates the IF SAW filter external low noise amplifier LNA for three bands transmit and RF voltage controlled oscillator VCO modules and other discrete components found in conventional designs 3 TECHNICAL BRIEF Figure 3 1 RECEIVER FUNCTIONAL BLOCK DIAGRAM ...

Page 15: ... control the Rx and Tx paths And the input signals VC1 and VC2 of a FL500 are directly connected to baseband controller to switch either Tx or Rx path on The logic and current is given below Table 3 1 Three differential input LNAs are integrated in SI4205 The GSM input supports the GSM 850 824 849 MHz or E GSM 900 925 960MHz bands The DCS input supports the DCS 1800 1805 1880 MHz band The PCS inpu...

Page 16: ...o remove blocking and reference interference signals The selectivity setting CSEL 0 or a low selectivity setting CSEL 1 The low selectivity filter has a flatter group channelization filter is in the baseband chip After channel selection the digital output is scaled with a digital PGA which is controlled with the DGAIN 5 0 bits in register 05h The amplified digital output signal go through with DAC...

Page 17: ...gnal The baseband software is able to cancel out differential DC offsets in the I Q baseband signals caused by imperfections in the D A converters The Tx Modulator implements a quadrature modulator A quadrature mixer upconverts the differential in phase TXIP TXIN and quadrature TXQP TXQN signals with the IFLO to generate a SSB IF signal that is filtered and used as the reference input to the OPLL ...

Page 18: ...used for the GSM 850 and E GSM 900 bands and low side injection is used for the DCS 1800 and PCS 1900 bands The I and Q signals are automatically swapped when switching bands Additionally the SWAP bit in register 03h can be used to manually exchange the I and Q signals Low pass filters before the OPLL phase detector reduce the harmonic content of the quadrature modulator and feedback mixer outputs...

Page 19: ...t by programming the N Divider registers NRF1 NRF2 and NIF Programming the N Divider register for either RF1 or RF2 automatically selects the proper VCO The output frequency of each PLL is as follows fout N x fø The DIV2 bit in register 31h controls a programmable divider at the XIN pin to allow either a 13 or 26 MHz reference frequency For receive mode the RF1 PLL phase detector update rate fø sh...

Page 20: ...supply pins to distribute current The GaAs die the Silicon Si die and the passive components are mounted on a multi layer laminate substrate The assembly is encapsulated with plastic overmold RF input and output ports of the SKY77325 are internally matched to a 50 load to reduce the number of external components for a quad band design Extremely low leakage current 2 5 A typical of the dual PA modu...

Page 21: ...IC5255 U503 and the other is one port of AD6537B U102 MIC5255 U503 supplies power to transceiver SI4205 U505 One port of AD6537B supplies power to VCTCXO X500 Main power VBAT from battery is used for PAM SKY77325 U501 because PAM requires high power 0 1u C531 10K R511 C533 2 2u R510 100 100p C530 GND 2 OUT 3 4 VCC VCONT 1 X500 26MHz 2V75_VVCXO AFC Figure 3 6 VCTCXO CIRCUIT DIAGRAM Supplier Voltage...

Page 22: ...3 TECHNICAL BRIEF 23 RF_LDO 1608 1608 RF2 85V VBAT C536 4 7u 4 7u C537 4 BYP EN 3 GND 2 1 IN 5 OUT 22n C535 U503 MIC5255 2 85BM5 CLKON Figure 3 7 RF LDO CIRCUIT DIAGRAM ...

Page 23: ...F Timing VOICE i f Buzzer AFC JTAG BSDO ASDO ASFS ASDI ASDO GPIO IRQ GPCS 1 0 AUXCS 1 0 WR RD HWR UBS LWR LBS DISPLAYCS 1 0 Generic Serial Port C AD6527 AD6527B GSM PROCESSOR MicroSM RF Interface Generic Serial Port D A Generic Serial Port D B ROMCS 1 0 ADD 24 0 Servicelight CLKOUT ABBRESET VCO 32kHz 26MHz 13 control serial port Power Management AD6535 Audio Baseband Processor VMEM VEXT VCC VMMC V...

Page 24: ...st and Page Mode Flash Support for Pseudo SRAM Ciphering module for GPRS supporting GAE1 and GAE2 encryption algorithms Parallel and Serial Display Interface 8 x 8 Keypad Interface Four independent programmable backlight plus One Service Light 1 8V and 3 0V 64 kbps SIM interface Universal System Connector Interface Slow Medium and Fast IrDA transceiver interface Enhanced Generic Serial Port Dedica...

Page 25: ..._LCD_CS MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin L_SUBMLCD_CS SUB LCD driver chip enable SUB LCD driver IC has own CS pin LCD_RESET This pin resets LCD module This signal comes from DBB directly GPIO 15 LCD_WR Enable writing to LCD Driver LCD_RD Enable reading to LCD Driver LCD_RS This pin determines whether the data to LCD module are display data or control data LCD_RS can se...

Page 26: ...6 steps GPO 23 FLASH_LED Voltage source for FLASH LED MLED Current source for backlight LED MLED 1 3 This pins are returned paths for backlight LED current source MLED Table 3 4 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 11 Antenna switch Band Select CLKON RF LDO Enable Disable PA_EN GPO 16 PAM En...

Page 27: ...ROW5 The AD6527 detects whether key is pressed or not by using interrupt method F AD6537B Interrupt AD6537B provides an active high interrupt output signal Interrupt signals are generated by the Auxiliary ADC audio and charger modules Signals Description SIM_DATA This pin receives and sends data to SIM card This model can support 1 8volt and 3 0 volt interface SIM card SIM_CLK Clock 3 25MHz freque...

Page 28: ...e the initialization of the external Flash Memory via code download using the on chip serial interface to the external Flash Memory interface The peripheral subsystem is composed of system peripherals such as interrupt controller real time clock watch dog timer power management and a timing and control module It also includes peripheral interfaces to the terminal functions keyboard battery supervi...

Page 29: ...3 TECHNICAL BRIEF 30 3 6 Analog Main Power Management Processor AD6537B U102 B AD6527 SI4205 Figure 3 11 AD6537B FUNCTIONAL BLOCK DIAGRAM ...

Page 30: ... Transmit DACs and Filters Power Ramping DAC 2 BB Receiver section I channel Q channel Receive ADCs and Filters 3 Auxiliary section Voltage Reference Automatic Frequency Control DAC Auxiliary ADC Light Controllers 4 Audio Section 8 kHz 16 kHz Voiceband Codec 48 kHz Monophonic DAC Power Amplifiers 5 Power Management section Voltage Regulators Battery Charger Battery Protection 6 Digital Processor s...

Page 31: ...n consists of two identical ADC channels that process baseband in phase I and quadrature Q input signals Active CT Filter GMSK Modulator PGA Control Serial Port Baseband Serial Port Tx DAC CSFS CSDI CSDO BSIFS BSDI SC Filter Active CT Filter PGA SC Filter Tx DAC Active CT Filter SC Filter Ramp DAC Ramp RAM PGA AD6537B IP IN QP QN PA Figure 3 12 AD6537B BASEBAND TRANSMIT SECTION Digital Filter Base...

Page 32: ...and Voltage Reference IDAC 10 bits The Auxiliary ADC provides Two differential inputs for temperature sensing A differential input for the battery charger current sensor AD6537B Control Serial Port CSFS CSDI CSDO AFC DAC AIN1P AIN2P REFTXCM REFOUT REFCHG AFCDAC REF AUXADC1 AUXADC2 BATTYPE VBATSENSE ISENSE REFBB Aux ADC TEMP1 TEMP2 LIGHT1 LIGHT2 LIGHT3 Light Controllers Voltage Reference Figure 3 1...

Page 33: ...ller a microphone interface and multiple analog input and output channels 4 It interconnects with external devices like main microphone main receiver and headset The descriptions of audio port used in This model are given bellow in detail Up Link AIN1P AIN1N Main microphone positive negative terminal AIN2P AIN2N Headset microphone positive negative terminal AIN3P AIN3N External Analog Input termin...

Page 34: ...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 is turned on REFOUT is also enabled Reset is generated and send to the AD6527 Figure 3 16 AD6537B POWER MANAGEMENT SECTION ...

Page 35: ...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 20mA VRTC supplies the Real Time Clock module 1 8 V 20 A VABB supplies the analog portions of the AD6537B VMIC supplies the microphone interface circuitry 2 5 V 1 mA VVCXO supplies the voltage controlled crystal oscillator 2 75 V 10 mA...

Page 36: ...r than 3 2V the precharge low current charge mode starts firstly And the battery voltage reach to 3 2V the CC CV charging starts 3 Pins used for charging VCHG charger supply GATEDRIVE charge DAC output ISENSE charge current sense input VBATSENSE battery voltage sense input BATTYPE battery type identification input REFCHG voltage reference output 4 TA Travel Adaptor Input voltage AC 85V 260V 50 60H...

Page 37: ...EADSET SPEAKER CIRCUIT AD6537B CLOSE TO AD6537B 39p C136 10u 39p C607 C139 39p C142 C132 39p T8 SGND1 R8 SGND2 NC_R12 R12 M2 DGND C2 GPI LGND N15 T11 AOUT3N K16 J16 AOUT3P B16 AGND1 R16 AIN1N P16 AIN1P AIN2N R15 AIN2P P15 AIN3L R13 R14 AIN3R AOUT1N K15 AOUT1P J15 AOUT2N1 T9 AOUT2N2 R9 AOUT2P1 R11 AOUT2P2 39p C133 C130 39p R108 4 7 C131 NA 39p C138 39p 4 7 R111 C143 C141 39p AUXIN VINNORP VINNORN S...

Page 38: ... VBATSENSE B8 NC_B5 B5 NC_B7 B7 G16 NC_G16 R1 NC_R1 T15 NC_T15 GATEDRIVE A6 T5 GND_NET1 A7 ISENSE 4 7u C126 VBAT 4 S 5 Q100 TPCF8102 TE85L F D1 1 D2 2 D3 3 D4 6 D5 7 D6 8 G R104 0 2 R105 330 VCHARGE 5 1 10W ERHZ0000757 R225 7 5K R228 20 R226 10K 100K R610 VBAT NA R224 2V8_VEXT 2 5 6 3 1 4 UMX1NTN Q401 15 R219 LD200 1u C220 0 R222 1K R223 NA R227 VCHARGE 390 R220 3 1 2SC5585 Q200 2 VCHARGE RPWRON F...

Page 39: ...lel bus But for the future Default is low low is 16bits interface L_WR Write control Signal L_RD Read control Signal But this pin used only for debugging L_DATA 00 15 Parallel data lines LCD_ID 1 2 LCD type selection signals LCD_ID1 LCD maker 2 4V is SII 0V is HyeLCD LCD_ID 2 3 for the future using For using 65K color data buses should be 16 bits Properties Spec Unit Active Screen Size 28 022 H X ...

Page 40: ...OUT_B3 INOUT_B4 6 2V8_VEXT FL601 ICVE21054E250R401FR G1 5 G2 10 INOUT_A1 1 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE21054E250R401FR FL602 5 G1 10 R604 470 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 6 INOUT_B4 FL603 ICVE21054E250R401FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 54 55 56 57 58 59 6 60 7 8 9 4 40 41 42 43 44 45 46 47 48 49 5 50 ...

Page 41: ...peed Image data processing and so on Also the CL761A supports 80 Type Indirect Parallel Interface so developers can easily distinguish Bypass Mode fron Camera Mode by adding CORE LOGIC s CL761A chip at the head of the LCD Interface In addition the CL761A supports various types of STN TFT OLED LCD Driver Controllers of 8 bpp 12 bpp 16 bpp adn 18 bpp color depths With the built in CMOS CCD based Ima...

Page 42: ...CS_N D9 M_8BIT M_ADS C8 J3 GNDI3 GNDI4 K6 J1 GPIO_0 H3 GPIO_1 H1 GPIO_2 K9 LS_CS_N K3 L_ADS L1 L_CS_N L_DA0 L10 J9 L_DA1 L_DA10 F10 L_DA11 E10 F9 L_DA12 L_DA13 D10 E9 L_DA14 L_DA15 C10 C_D7 J8 C_HS K4 M1 C_MCLK C_PCLK L4 L3 C_PWDN M3 C_RST M5 C_SCK C_SDA M4 C_VS M2 A5 GNDC1 B5 GNDC2 C5 GNDC3 GNDC4 F2 L5 GNDC5 GNDI1 B2 GNDI2 E8 U401 EUSY0240501 V CIS_TYPE0 M10 C9 CIS_TYPE1 CIS_TYPE2 B8 L7 C_D0 K7 C...

Page 43: ...to go low and generate an interrupt The columns rows are then scanned by AD6527 to identify the pressed key 4 CAMERA 2 T UP 3 CLR 0 DOWN END RIGHT FAV 1 6 5 7 LEFT SEL 9 VOL_UP VOL_DOWN 8 MENU SEND CONF R345 680 R344 R343 680 680 SW323 SW306 SW327 SW305 680 R342 100 R306 SW322 SW300 SW304 SW301 SW309 VA300 ECVAS1005 14A30 120NBT ECVAS1005 14A30 120NBT VA303 SW319 SW317 680 R316 SW307 SW321 SW320 S...

Page 44: ...he case of C3380 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 The main speaker is driven directly by AD6537B AOUT1P and AOUT1N pins and the gain is controlled by the PGA in an AD6537B The receiver is placed in the folder cover and connected to AOUT1x termin...

Page 45: ... goes from high to low Audio path is switched from earphone to receiver by JACK_DETECT interrupt Hook detection If hook button is pressed HOOK_DETECT is changed from high to low This is detected by AUXADC2 And then hook is detected H L CLOSE TO EARJACK JACK_DETECT REMOVE INSERT C219 39p C208 NA 1 2 3 4 5 J200 C206 0 1u 39p C213 R214 4 7 C209 22u 2V5_JACK GND 2 OUT 1 VCC 5 VIN 3 4 VIN LMV7291MGX NO...

Page 46: ...T110 2 R365 12K LD303 LEBB S14H 1u C308 1u C312 R351 75 75 R357 LD313 LEBB S14H 75 R347 R355 75 R364 10 1u C309 1u C318 C317 1u 1u C307 C316 1u R348 75 VBAT 75 R350 R366 10 LD302 LEBB S14H 75 R392 LEBB S14H LD301 R391 75 LEBB S14H LD312 LEBB S14H 75 R354 LD304 LD309 LEBB S14H R363 10 R367 10 R362 12K 1u C378 C379 1u 75 R352 C323 27p VBAT C315 LEBB S14H 1u LEBB S14H LD305 LD311 1u C313 C324 27p C31...

Page 47: ...420 R406 7 5K C419 1u R405 1 5K FB403 1u C418 VBAT 22 R404 1u C416 FB400 1u C421 13 VOUT_BL 3 VOUT_FL V 11 C1 C1 12 C2 14 15 C2 C3 2 1 C3 EN_FLSH 16 10 EN_SET GND 9 5 ISINK1 6 ISINK2 ISINK3 7 NC 8 17 PGND VIN 4 U404 AAT2807AIXN 4 5 C417 1u C_FLASH MLED MLED1 MLED2 MLED3 FLASH_LED LCD_DIM_CTL Figure 3 31 MAIN LCD BACKLIGHT ILLUMINATION ...

Page 48: ...tor 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 VIBRATOR VBAT 220 R370 R368 47K 1 5K R371 4 7u C325 VBAT R372 7 5K 2 3 6 4 1 5 EMZ2 Q300 R369 20 MOTOR VIBRATOR ...

Page 49: ...717EBC T R229 0 47 R236 47 R235 FEED NC1 NC2 ANT201 L515 NA 22nH L511 NA C229 2 2u C225 47 R238 C226 15p C223 2 2u 47 R230 16 RESETB SPI_CLK 13 14 SPI_CSB SPI_MISO 15 12 SPI_MOSI 26 UART_CTS UART_RTS 23 24 UART_RX UART_TX 27 22 VDD_1_8V VDD_DIG 21 VDD_VREGIN 3 ANT 5 4 GND1 6 GND2 GND3 11 GND4 25 28 NC 20 PCM_CLK PCM_IN 19 PCM_OUT 17 18 PCM_SYNC PIO0 1 2 PIO1 PIO2 7 8 PIO3 PIO4 9 10 PIO5 2V8_VBT LB...

Page 50: ...ensitivity 83 dBm Max Dimensions 6 9 7 9 1 5 unit mm Wide operating temperature range Target 40 to85C Storage 40 to 100C D C Supply voltage range 1 8V or 3 0V Nominal Interfaces UART and SPI for data and PCM for voice Stack layer HCI or RFCOMM Compatibility with Bluetooth Specification 1 2 ...

Page 51: ... 4 1 RX Trouble 4 TROUBLE SHOOTING U501 U505 FL500 U503 X500 SW500 1 Checking Regulator Circuit 2 Checking VCTCXO Circuit 3 Checking Ant SW Mobile SW 4 Checking SAW Filt er Circuit 5 Checking RX IQ Figure 4 1 a Test Points ...

Page 52: ...ircuit Re download SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check ANT SW Mobile SW Check SAW filter circuit Check RX IQ Checking Flow ...

Page 53: ... RF2 85V VBAT C536 4 7u 4 7u C537 4 BYP EN 3 GND 2 1 IN 5 OUT 22n C535 U503 MIC5255 2 85BM5 CLKON Regulator Circuit is OK See next Page to check VCTCXO Voltage at Pin5 of U503 Is 2 8V Level at Pin3 of U503 Is high YES NO Replace U503 YES NO Change main board Test Points Circuit Diagram Checking Flow ...

Page 54: ...Waveform Check Pin 3 Refer to Graph 4 1 b 26 MHz OK No No VCTCXO Circuit is OK See next Page to check ANT SW Mobile SW Yes Check Pin 4 Refer to Graph 4 1 a 2 7V OK No Yes Change X500 Check U101 PMIC 0 1u C531 10K R511 C533 2 2u R510 100 100p C530 GND 2 OUT 3 4 VCC VCONT 1 X500 26MHz 2V75_VVCXO AFC Graph 4 1 a Graph 4 1 b ...

Page 55: ...L507 L510 3 3nH 33nH NA C517 C508 SW500 ENWY0002201 ANT G1 G2 RF 22p 3 3p C534 ANT500 22nH L500 NA C513 8 ANT 1 DCS_RX DCS_TX 3 10 EGSM_RX EGSM_TX 5 GND1 4 GND2 6 GND3 7 GND4 9 GND5 12 GND6 13 14 GND7 VC1 11 VC2 2 SHS C090DR FL500 27p C524 1 2p C501 ANT501 ANT502 ANT_SW2 ANT_SW1 Figure 4 5 ANT SW Control GSM DCS RX Mode Graph 4 3 Table 4 2 Test Points Circuit Diagram Waveform ANT_SW1 ANT_SW2 GSM_T...

Page 56: ...able Connected Short Yes For these 2 test case No Call connection is needed No No Check RF Level of FL500 10 for GSM FL500 1 for DCS Ant SW Mobile SW is OK See next Page to check Rx IQ Signal Pin10 62dBm Pin 1 63dBm No Yes No For this RF Level test case RX Stand alone Mode is needed refer to chapter 11 Change SW500 Change the Main Board Change FL500 Checking Flow Table 4 2 ANT_SW1 ANT_SW2 GSM_TX H...

Page 57: ...ge L501 C523 C525 for GSM L503 C526 C529 for DCS Change FL401 for GSM FL402 for DCS For the test RX Stand alone Mode is needed Refer to chapter Check the parts are well Soldered For GSM L501 C523 C525 For DCS L503 C526 C529 FL401 Soldering check FL402 FL401 FL402 1p C526 G1 2 G2 5 IN 1 O1 3 O2 4 FL401 EFCH942MTCA7 G1 2 G2 5 IN 1 3 O1 O2 4 FL402 EFCH1842TCA7 C523 1p C525 1p 1p C529 L503 6 8nH L501 ...

Page 58: ...e U505 Yes No Check C518 C521 Check if there is any Major difference Refer to graph 4 4 U505 U101 C518 C521 C518 39p TXIP 4 TXQN 7 TXQP 6 32 VDD2 27 RXIN 3 2 RXIP 1 RXQN 28 RXQP TXIN 5 GND2 29 30 GND3 GND4 31 C521 39p IP QP QN IN Test Points Checking Flow Waveform Circuit Diagram Figure 4 7 Graph 4 4 ...

Page 59: ...SHOOTING 60 4 2 TX Trouble U501 U505 FL500 U503 X500 SW500 1 Checking Regulator Circ uit 2 Checking VCTCXO Circuit 3 Checking Ant SW Mobile SW 4 Checking PAM Control Signal 5 Checking TX IQ Figure 4 8 Test Points ...

Page 60: ...eck regulator circuit Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check PAM control signal Check TX IQ Check ANT SW Mobile SW ...

Page 61: ...AT C536 4 7u 4 7u C537 4 BYP EN 3 GND 2 1 IN 5 OUT 22n C535 U503 MIC5255 2 85BM5 CLKON Regulator Circuit is OK See next Page to check VCTCXO Voltage at Pin5 of U503 Is 2 8V Level at Pin3 of U503 Is high YES NO Replace U503 YES NO Change main board Test Points Circuit Diagram Checking Flow Figure 4 2 ...

Page 62: ...XO Circuit is OK See next Page to check ANT SW Mobile SW Yes Check Pin 4 Refer to Graph 4 1 a 2 7V OK No Yes Change X500 Check U101 PMIC 0 1u C531 10K R511 C533 2 2u R510 100 100p C530 GND 2 OUT 3 4 VCC VCONT 1 X500 26MHz 2V75_VVCXO AFC Test Points Circuit Diagram Waveform Checking Flow Figure 4 3 Graph 4 1 a Graph 4 1 b ...

Page 63: ...42TCA7 L507 L510 3 3nH 33nH NA C517 C508 SW500 ENWY0002201 ANT G1 G2 RF 22p 3 3p C534 ANT500 22nH L500 NA C513 8 ANT 1 DCS_RX DCS_TX 3 10 EGSM_RX EGSM_TX 5 GND1 4 GND2 6 GND3 7 GND4 9 GND5 12 GND6 13 14 GND7 VC1 11 VC2 2 SHS C090DR FL500 27p C524 1 2p C501 ANT501 ANT502 ANT_SW2 ANT_SW1 Figure 4 5 Graph 4 6 b Graph 4 6 a Test Points Circuit Diagram Waveform ...

Page 64: ...as TX mode Refer to Graph4 6 Refer to Table 4 3 Yes Check VC1 VC2 Check RF Level of FL500 Pin 5 for GSM Pin 3 for DCS Pin5 29 5dBm Pin3 26 5dBm No Yes No Change board END For the test TX Stand alone Mode is needed Refer to chapter 11 PL 7 for GSM PL 2 for DCS Check PAM control signal Change SW501 Change SW501 Checking Flow Table 4 3 ANT_SW1 ANT_SW2 GSM_TX H L DCS_TX L H RX L L ...

Page 65: ...APC 20 VBATT 3 VCC1A VCC1B 8 VSENSE 19 U501 BS 4 5 DCS_PCS_IN DCS_PCS_OUT 17 7 GND1 9 GND2 GND3 10 11 GND4 GND5 13 14 GND6 16 GND7 18 GND8 GND9 21 GSM_IN 6 12 SKY77325 180 R508 100 R501 C504 33p C520 0 01u C502 27p PA_BAND TX_RAMP PA_EN Similar Yes No Similar Yes No Re download S W Go to Next Step Similar Yes No Check TX_RAMP and PA_EN Check if there is Any Major Difference or not Refer to Graph 4...

Page 66: ...2 RXIP 1 RXQN 28 RXQP TXIN 5 GND2 29 30 GND3 GND4 31 C521 39p IP QP QN IN Check if there is Any Major Difference or not Refer to Graph 4 8 Similar Yes No Similar Yes No Replace U102 Re download the Software And calibrate Similar Yes No Test Points Circuit Diagram Waveform Checking Flow Figure 4 13 Graph 4 8 ...

Page 67: ...5_VSIM 0 1u 1u C114 2V8_VMEM 1V8_VCORE 2V5_VMIC 2V75_VABB 1K R102 1V8_VRTC C117 2 2u C113 1u 1u C116 1u C118 2V8_VEXT 2V75_VVCXO VMIC N16 T7 VRTC VSIM T6 VVCXO D16 T4 VBAT_NET VCORE1 P1 N1 VCORE2 VEXT1 A4 B4 VEXT2 T3 VMEM1 VMEM2 T2 H16 VABB F16 E15 NC_E15 E16 NC_E16 NC_F16 VBAT C122 1u 1u C121 BACK_BATT Test Points Circuit Diagram Figure 4 14 ...

Page 68: ... work properly THE PHONE WILL POWER ON Charge or Change Battery Check the contact of power key Or dome switch Replace U102 VCORE 1 8V VVCXO 2 75V VMEM 2 8V VRTC 1 8V VEXT 2 8V VSIM 1 8V or 2 85V VABB 2 75V VMIC 2 5V Re download software The power on procedure is Completed The problem may be elsewhere Does it work properly Replace the main board YES YES YES YES YES NO NO NO NO NO NO Checking Flow ...

Page 69: ...25 1u CUS02 D102 A5 VCHG VMEMSEL R3 VBATSENSE B8 NC_B5 B5 NC_B7 B7 G16 NC_G16 R1 NC_R1 T15 NC_T15 GATEDRIVE A6 T5 GND_NET1 A7 ISENSE 4 7u C126 VBAT 4 S 5 Q100 TPCF8102 TE85L F D1 1 D2 2 D3 3 D4 6 D5 7 D6 8 G R104 0 2 R105 330 VCHARGE Test Points Circuit Diagram Figure 4 15 ...

Page 70: ...across R104 is about 10 100mV YES 0 7V voltage R105 1 3V YES Battery is charged YES Charging is properly operating NO NO NO NO NO NO Re solder the CN300 Pin 4 5 VCHARGE Pin12 19 GND The TA is out of order Change the TA Re solder the Q100 D102 R104 Replace the Q100 D102 Replace the Q100 The battery may have problems Change the battery Checking Flow ...

Page 71: ... Vibrator Trouble Soldering C heck in LC D Module R372 R371 R368 R369 Q300 VIBRATOR VBAT 220 R370 R368 47K 1 5K R371 4 7u C325 VBAT R372 7 5K 2 3 6 4 1 5 EMZ2 Q300 R369 20 MOTOR VIBRATOR Test Points Circuit Diagram Figure 4 16 ...

Page 72: ...t pin 2 of Q300 low YES Is the voltage at pin 1 of Q300 high YES Check the soldering of CN601 YES Check the soldering of vibrator YES Replace Vibrator YES Vibrator is Working well Check the soldering of R371 R372 YES NO Re solder R368 Check the soldering of R368 YES NO NO NO Re solder CN601 Check the soldering of R369 YES NO Re solder R369 Replace Q300 NO Re solder vibrator NO Checking Flow ...

Page 73: ... TROUBLE SHOOTING 74 4 6 LCD Trouble FL602 FL600 FL604 FL601 FL603 CN601 Test Points Figure 4 17 LCD Module LCD Module connection connector 4 0Pin m ale Camera Module conne ction Connect or 20Pin f emale ...

Page 74: ... connection LCD module with connector On FPCB NO Reassemble LCD module with connector on FPCB Check the soldering of CN601 NO Change the FPCB and try again YES YES YES Check the soldering of EMI filter Re solder CN601 NO Re solder EMI filter FL600 FL604 Does LCD work properly NO Replace LCD module YES LCD is working well YES Checking Flow ...

Page 75: ...414 4 7u V B9 VDDI1 C7 VDDI2 VDDL J2 K5 VDDS XIN A2 A1 XOUT SCAN_EN M6 STROBE G2 TEST_EN L6 M7 T_MODE0 VDDC1 A8 VDDC2 A10 VDDC3 D2 VDDC4 H10 J3 GNDI3 GNDI4 K6 J1 GPIO_0 H3 GPIO_1 H1 GPIO_2 C_D7 J8 C_HS K4 M1 C_MCLK C_PCLK L4 L3 C_PWDN M3 C_RST M5 C_SCK C_SDA M4 C_VS M2 A5 GNDC1 B5 GNDC2 C5 GNDC3 GNDC4 F2 L5 GNDC5 GNDI1 B2 GNDI2 E8 U401 EUSY0240501 CIS_TYPE0 M10 C9 CIS_TYPE1 CIS_TYPE2 B8 L7 C_D0 K7...

Page 76: ...he voltage of pin 3 of Q400 is 3V Check the voltage of pin 12 of CN601 if 3V YES Check the signals of the FL605 FL608 YES YES Camera will work properly NO Check the voltage of pin 1 of Q400 C_PWDN LOW NO YES Go to the LCD trouble Replace the U401 NO Check the soldering of CN601 NO Replace the Q400 NO Does the image appears on LCD YES YES Camera will work properly Replace FL605 FL608 NO Checking Fl...

Page 77: ...3 31 _RD 4 _RST 28 _WR 12 EQ2 13 14 EQ3 HPOUT_L 10 HPOUT_R 11 IOVDD 32 2 LED MTR 19 NC 5 6 PLLC SPOUT1 17 18 SPOUT2 15 SPVDD 16 SPVSS VDD 7 VREF 9 8 30 A0 1 CLK1 D0 27 D1 26 D2 25 D3 24 23 D4 22 D5 21 D6 20 D7 EQ1 YMU762C QZE2 U207 C236 1000p 82K R240 C235 390p 0 01u C234 C242 1u VBAT R233 0 1u C241 R241 3 3K SPK_P SPK_N 13MHz SPKP_P ADD00 DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 _M...

Page 78: ...act of dual mode speaker Speaker is Working well Yes Voltage across C241 2 8 V Check the signal level of C237 C238 No Yes Replace C241 Check the soldering of C241 No Yes Re soldering C241 Re solder C237 C238 or Replace U207 No Re soldering C237 C238 Replace speaker No No Yes Checking Flow ...

Page 79: ... Interface Trouble C230 J300 1 J300 SIM CONNECTOR VCC 1 VPP 5 J300 3 CLK 4 GND I_O 6 2 RST 2V85_VSIM 220n C320 C321 22p 2V85_VSIM 0 R361 1000p C322 20K R359 C319 NA 0 R360 SIM_RST SIM_DATA SIM_CLK Test Points Circuit Diagram Figure 4 20 ...

Page 80: ...ly 3V SIM card YES Voltage at pin1 of J300 is 3V NO Re solder J300 YES YES Replace J300 YES Voltage output of VSIM LDO Is 3V Change the SIM Card And try again Does it work Properly YES Change SIM Card Re download SW Does it work Properly NO Change the main board NO YES SIM Card will be detected Checking Flow ...

Page 81: ...6 0 1u 39p C213 R214 4 7 C209 22u 2V5_JACK GND 2 OUT 1 VCC 5 VIN 3 4 VIN LMV7291MGX NOPB U202 2V8_VEXT 1M R210 2V8_VEXT R202 1K C214 33u NA R207 C217 39p R204 1 5K R203 20K R212 4 7 1M R217 VA204 AVL5M02 200 0 1u C201 330K R216 0 1u C606 R205 12K NA C207 HOOK_DETECT AUXIP AUXIP AUXIN JACK_DETECT AUXOP Test Points Circuit Diagram Figure 4 21 ...

Page 82: ...art of the test Equipment to echo mode Change the earphone and try again NO Can you hear your voice from the earphone YES Can you hear the sound from the earphone No Set the audio part of the test equipment to PRBS or continuous wave mode Download software YES Does it work well Change the main board YES NO Voltage at C209 1 2V Check soldering C209 R210 YES Change the main board YES Download softwa...

Page 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...

Page 84: ...R350 R366 10 LD302 LEBB S14H 75 R392 LEBB S14H LD301 R391 75 LEBB S14H LD312 LEBB S14H 75 R354 LD304 LD309 LEBB S14H R363 10 R367 10 R362 12K 1u C378 C379 1u 75 R352 C323 27p VBAT C315 LEBB S14H 1u LEBB S14H LD305 LD311 1u C313 C324 27p C310 C311 1u 1u R358 75 C314 R353 75 1u R349 75 KEY_BACKLIGHT Circuit Diagram START Is the level at R362 High NO Check U101 YES Are all LEDs Working NO YES Check t...

Page 85: ...1 39p C136 39p C139 39p C142 SGND2 M2 DGND C2 GPI LGND N15 T11 AOUT3N K16 J16 AOUT3P AOUT1N K15 AOUT1P J15 AOUT2N1 T9 AOUT2N2 R9 AOUT2P1 R11 AOUT2P2 R108 4 7 39p C138 39p 4 7 R111 C143 C141 39p SPKP_P AUXOP RCV_N RCV_P Test Points Circuit Diagram Figure 4 23 ...

Page 86: ...CN601 connected properly NO YES Receiver will work properly 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 Is receiver connected Properly YES Reassemble CN601 NO Re solder receiver Checking Flow ...

Page 87: ... R211 C210 R201 R206 CLOSE TO MIC C215 39p C211 39p 39p C216 2V5_VMIC R211 100 0 R209 2 2K R206 AVL5M02 200 VA203 1 2 MIC200 SOB 413S44 RC3310 C203 10u 39p C202 2 2K R213 1K R201 0 1u C212 100 R208 C210 39p AVL5M02 200 VA202 VINNORN VINNORP Test Points Circuit Diagram Figure 4 24 ...

Page 88: ...erly SETTING After initialize Agilent 8960 Test EGSM DCS mode YES Check the signal Level at each side of MIC200 Is it a few tens mV AC Check the soldering of C210 R208 R211 R209 C212 Voltage VMIC of U102 DC 2 5V NO Replace microphone YES NO Re solder component Checking Flow ...

Page 89: ...T C9 F9 PWRON V6 NAUXCS1 T5 NGPCS1 N9 GPIO_42_NMAIN_LCD_CS V7 GPIO_43_NSUB_LCD_CS L14 GPIO_1_IRDA_RX GPIO_2_NIRDA_EN K16 L18 GPIO_0_IRDA_TX P13 CLKON N10 CLKIN C608 NA 32 768KHz 1 2 3 4 MC 146_7pF X101 NA C128 BT_EN CLKON _SUB_CS _LCD_CS _RESET _MIDI_CS 26MHz Test Points Circuit Diagram Figure 4 25 ...

Page 90: ...4 TROUBLE SHOOTING 91 RTC will work properly Is the voltage level at R106 about 1 2V START Replace X101and try again Check the soldering of R106 NO YES YES Checking Flow ...

Page 91: ...R226 1 2V Q401 R225 5 1 10W ERHZ0000757 VCHARGE R220 390 Q200 2SC5585 2 3 1 R223 1K R227 NA VCHARGE R219 15 LD200 1u C220 R222 0 2V8_VEXT Q401 UMX1NTN 2 5 6 3 1 4 10K R226 R610 10K VBAT R224 NA 7 5K R225 20 R228 RPWRON Test Points Circuit Diagram Figure 4 26 ...

Page 92: ...ill work properly Is the voltage at R226 1 2V START Is LED working Check the soldering of R225 or Q 401 NO YES YES Indication LED only operates in trickle charging mode Check the soldering of Q200 R218 LD200 R226 NO Checking Flow ...

Page 93: ...4 TROUBLE SHOOTING 94 4 16 Folder on off Trouble U403 1 U403 FLIP SWITCH 0 1u C404 GND OUT VDD A3212ELH U403 R401 100K 10p C405 C406 2V8_VEXT 330p FLIP Test Points Circuit Diagram Figure 4 27 ...

Page 94: ...Place the magnet properly NO YES Voltage at pin 1 of U403 2 8V YES NO Voltage of VEXT at U102 2 8V NO Re solder U403 YES Open folder Voltage at pin 1 of U403 2 8V Re solder R401 and U403 NO YES Close folder Voltage at pin 1 of U403 0V YES Replace U403 NO Does it work properly YES Change Main board NO Checking Flow ...

Page 95: ...238 C226 15p C223 2 2u 47 R230 16 RESETB SPI_CLK 13 14 SPI_CSB SPI_MISO 15 12 SPI_MOSI 26 UART_CTS UART_RTS 23 24 UART_RX UART_TX 27 22 VDD_1_8V VDD_DIG 21 VDD_VREGIN 3 ANT 5 4 GND1 6 GND2 GND3 11 GND4 25 28 NC 20 PCM_CLK PCM_IN 19 PCM_OUT 17 18 PCM_SYNC PIO0 1 2 PIO1 PIO2 7 8 PIO3 PIO4 9 10 PIO5 2V8_VBT LBMA 2C67B3 M201 R218 33p 330 R221 47 R231 C224 0 1u 2V8_VBT 2 2u 4 5 VCC C230 U205 TC7SH08FS ...

Page 96: ...4 TROUBLE SHOOTING 97 Checking Flow Bluettooth Power on 2V8_VBT at C230 2 8V No Yes Replace U101 Yes No No Yes BT_EN at R221 2 8V No Yes Replace U204 Check PCB pattern Replace U101 Replace U101 ...

Page 97: ...Replace U101 Yes No Resolder Replace U101 Yes No Replace M201 Connect BT Headset Not available Yes IF RF level at Antenna Feeding about 0dBm No Yes Is soldering of R218 L515 good No Yes Replace M201 Replace Headset Resolder ...

Page 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...

Page 99: ...5 1 Download A Download Setup Figure 5 1 describes Download setup Figure 5 1 Download Setup 5 DOWNLOAD AND CALIBRATION If you have battery no TA is needed UART 5 DOWNLOAD AND CALIBRATION 100 ...

Page 100: ...ON 101 B Download Procedure 1 Access Flash loader program in PC and select Erase Don t check OWCD 2 Press Start and Wait until Erase is completed 1 Select Erase 3 Check 4 Donít Check OWCD 2 Select Model 1 Press Start and Wait ...

Page 101: ...5 DOWNLOAD AND CALIBRATION 102 3 Press Write to start Download and press Key to choose software AlchemyData mot 4 Choose software 1 Press 2 Press 1 Select File 2 Press Open ...

Page 102: ... until converting from MOT to BIF is completed Don t check OWCD 6 Press Start and Power on the phone using JIG remote Power on Switch 1 2 Wait until completion 0x435b 34 ADI TI ON PS VBAT 1 2 3 4 2 Turn on Switch OFF 1 Press Start 0x435b34 ...

Page 103: ...TION 104 7 Wait until Sending Block is completed 8 Press Write to start Download and press Key to choose software CodeData mot 1 Wait Until Sending Block is completed 0x435b 34 4310 1 Press 2 Press 0x435b34 Writing Completed ...

Page 104: ...ss Start and Power on the phone using JIG remote Power on Switch 1 10 Wait until Sending Block is completed ADI TI ON PS VBAT 1 2 3 4 2 Turn on Switch OFF 1 Press Start 0x63e538 0x01000000 1 Wait Until Sending Block is completed 6393 0x63e538 0x01000000 ...

Page 105: ... Test Set HP 8960 Agilent RS 232 Cable and Test JIG LG RF Cable LG Power Supply HP 66311B Agilent GPIO interface card HP GPIB Agilent Calibration Final test software LG Test SIM Card PC for Software Installation Pentium II class above 300MHz Table 5 1 Calibration Equipment List Mobile Switch Cable Battery Simulator PC TA GSM Test Set 8960 GPIB Cable GPIB Cable Power Supply ...

Page 106: ...wer Source Description Power Supply Usually 4 0V Travel Adaptor Use TA name is TA 20G 24pin Table 5 2 Jig 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 Tabl...

Page 107: ...RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Power ON PC then enter into Windows 98 Remark Windows 2000 system could be feasible 3 Run AUTOCAL exe the AUTOCAL application window will be appeared LED Number Name Description LED 1 Power Power is provided for Test Jig LED 2 TA Indicate charging state of the phone battery LED 3 UART Indicate data transfe...

Page 108: ...nd AD6537B 32 768 KHz 26MHz SIM Socket Backup battery Main LCD Sub LCD IO Connector BtoB Conn 60pin Q I Q I RF Transceiver PAM SAW Filter ANT Switch ANT RF Keypad MIC Vibrator Ear Jack LDO Camera Flash FOLDER SPK RCV Camera Chip Flip Switch Charge Pump Yamaha Bluetooth Module Switch BT ANT BT Headset ...

Page 109: ...Note 110 ...

Page 110: ...0 2 R104 TXON 2V8_VMEM C135 1u 39p C138 1K R102 RPWRON C110 2V5_VMIC 22p 2V8_VEXT C107 47n 0 1u C105 KDR331E 3 1 2 1V8_VRTC D101 0 1u C103 22u C112 47n C111 C117 2 2u _WR C109 0 1u OJ4 MCLKEN _RAM_CS1 VBAT C113 VBAT 39p 1u C130 4 7 R108 C124 47n OJ2 R106 10M C120 0 068u 1u C116 C131 NA C126 4 7u 1u C118 47n C101 C133 39p 0 1u 2V8_VEXT ASM C137 2V8_VEXT R611 NA R110 100K 2V75_VVCXO VMEMSEL VMIC N16...

Page 111: ..._R 32 IOVDD LED 2 19 MTR 5 NC PLLC 6 17 SPOUT1 SPOUT2 18 U207 YMU762C QZE2 A0 30 CLK1 1 27 D0 26 D1 25 D2 24 D3 C225 2V8_VEXT C203 2 2u 10u R238 47 C236 15p 1000p R202 C226 1K C223 R219 15 2 2u C214 LD200 33u 82K 1u R240 C220 C202 39p R222 0 R236 47 FEED NC1 NC2 R235 47 2V5_JACK ANT201 NA L515 L511 22nH C240 0 1u C233 0 1u 2V8_VEXT 2 GND 1 OUT 5 VCC 3 VIN VIN 4 U202 LMV7291MGX NOPB 2V8_VEXT VA203 ...

Page 112: ...A303 ECVAS1005 14A30 120NBT 1u 100 R323 47 R322 SW319 SW317 R316 680 R370 220 SW307 1u SW320 SW321 C312 SW315 VA306 ECVAS1005 14A30 120NBT SW322 C304 3p LEBB S14H LD310 SW301 SW300 2V8_VEXT SW304 LEBB S14H LD308 IMX9T110 Q301 2 5 6 3 1 4 12K R365 2V8_VEXT NA R328 SW309 LEBB S14H LD303 R333 47 R339 47K ECVAS1005 14A30 120NBT VA300 CN301 1 2 3 4 C329 26 3 4 5 6 7 8 9 0 1u 12 13 14 15 16 17 18 19 2 2...

Page 113: ..._DA1 J9 F10 L_DA10 E10 L_DA11 L_DA12 F9 D10 L_DA13 L_DA14 E9 C10 L_DA15 H2 L_DA16 L_DA17 G1 K10 L_DA2 H8 L_DA3 C_PWDN L3 C_RST M3 C_SCK M5 M4 C_SDA M2 C_VS GNDC1 A5 GNDC2 B5 GNDC3 C5 F2 GNDC4 GNDC5 L5 B2 GNDI1 E8 GNDI2 GNDI3 J3 K6 GNDI4 GPIO_0 J1 GPIO_1 H3 M10 CIS_TYPE0 CIS_TYPE1 C9 B8 CIS_TYPE2 C_D0 L7 C_D1 K7 M8 C_D2 L8 C_D3 K8 C_D4 C_D5 M9 C_D6 L9 J8 C_D7 K4 C_HS C_MCLK M1 L4 C_PCLK 2V8_VEXT V ...

Page 114: ...0p RFIPN 16 RFIPP RFOD 22 RFOG 23 3 RXIN RXIP 2 RXQN 1 RXQP 28 13 SCLK 14 SDI 11 SDO 5 TXIN 4 TXIP 7 TXQN 6 TXQP VDD1 9 VDD2 SI4205 24 DIAG1 DIAG2 25 15 GND1 29 GND2 GND3 30 31 GND4 GND5 33 34 GND6 GND7 35 36 GND8 19 RFIDN 18 RFIDP 21 RFIGN 20 RFIGP 17 U505 4 7u C536 C537 4 7u C515 1000p EGSM_RX 10 5 EGSM_TX 4 GND1 6 GND2 7 GND3 9 GND4 12 GND5 13 GND6 GND7 14 11 VC1 2 VC2 FL500 SHS C090DR ANT 8 DC...

Page 115: ...NOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 INOUT_B4 6 2V8_VEXT ICVE21054E250R401FR FL601 FL602 ICVE21054E250R401FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 4 7K R609 ICVE21184E150R500FR FL607 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 100K R601 100K R605 ...

Page 116: ... 117 8 PCB LAYOUT ...

Page 117: ... 118 8 PCB LAYOUT ...

Page 118: ...ing 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 9 ENGINEERING MODE Engineering Mode BB Test RF Test MF Mode Trace option Call Timer LCD Camera Backlight Buzzer Vibrator ADC Battery Audio DAI bluetoothl SAR Test All Auto Test Backlight Buzzer Vi...

Page 119: ...est the LCD Backlight and Keypad Backlight 1 Backlight on LCD Backlight and Keypad Backlight light on at the same time 2 Backlight off LCD Backlight and Keypad Backlight light off at the same time 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...

Page 120: ...etting the control register of Voiceband Baseband Codec chip Although the actual value can be written over it returns to default value after switching off and on the phone 1 VbControl1 VbControl1 bit Register Value Setting 2 VbControl2 VbControl2 bit Register Value Setting 3 VbControl3 VbControl3 bit Register Value Setting 4 VbControl4 VbControl4 bit Register Value Setting 5 VbControl5 VbControl5 ...

Page 121: ... LCD Backlight is on for about 1 5 seconds at the same time then off 9 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 9 3 4 Vibrator Vibrator is on for about 1 5 seconds 9 3 5 LCD 1 LCD Main LCD screen resolution tests horizontally and vertically one by one and fills the screen 2 SubLCD Sub LCD scre...

Page 122: ...isplays total conversation time User cannot reset this value 2 Reset settings This resets total conversation time to this 00 00 00 3 DAI DOWNLINK Speech decoder test 4 DAI OFF DAI mode off 9 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 Factory Reset should be only used du...

Page 123: ...COM port Baud rate 38400 Leave the rest as default values B Tx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM between 5 19 or DCS between 0 15 c Scaling Factor A Ramp Factor appears on the screen You may adjust the shape of the Ramp or directly input the values C...

Page 124: ...LONE TEST 125 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 HW test program ...

Page 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...

Page 126: ...Current Calibration settings to setting file cal File F Load Setting Load saved Calibration setting File F Make BIN ALL Make binary file after calibration finished File F Make BIN BAT Cal only Make binary file of battery cal data only after calibration finished File F Make Write BIN Make binary file after calibration finished then download it to the Flash Memory View V Tools Enable or disable Tool...

Page 127: ...nd DCS Screen GPIB Primary address Enter the SS Ag8960 and PS Tektronix PS2521G GPIB address Screen ADC Channel Default ADC Calibration Channel Screen Auto Calibration Item Default Calibration Settings about Tx Rx ADC and write BIN file Figure 11 1 Auto Calibration Program ...

Page 128: ...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 This is useful when you want to process only one item 11 8 How to do calibration A Connect cable between phone and serial port of PC B Connect Ag8960 equipment and Power Supply and phone C Set correct port and b...

Page 129: ... 130 ...

Page 130: ...LODED VIEW 62 69 65 17 60 67 18 64 35 56 59 14 39 38 41 40 28 26 43 32 45 49 9 49 10 61 57 11 57 49 68 19 58 63 30 13 37 54 39 42 6 34 2 47 33 66 52 55 53 51 51 31 44 3 22 48 29 21 25 27 1 49 7 16 49 8 49 36 49 49 20 4 5 53 15 50 24 46 23 49 11 12 45 26 ...

Page 131: ... 132 ...

Page 132: ... SWITCH MMAA0001601 7100 magnetic Silver 37 5 MPBF00 PAD FLEXIBLE PCB MPBF0008301 C3300 PAD FPCB Noise Black 39 5 MPBG00 PAD LCD MPBG0027002 C3380 PAD LCD MAIN Black 42 5 MPBJ00 PAD MOTOR MPBJ0027301 C3380 PAD MOTOR Black 46 5 MTAA00 TAPE DECO MTAA0097701 C3380 TAPE DECO RECEIVER Black 58 5 MTAD00 TAPE WINDOW MTAD0041901 C3380 TAPE WINDOW MAIN Black 5 MTAZ00 TAPE MTAZ0043901 GE200 TAPE CAMERA LOWE...

Page 133: ... LED MIAA0013301 C3300 INDECATOR Milk 31 5 MPBH00 PAD MIKE MPBH0014601 C3300 C3400 PAD MIKE Black 44 5 MSGB00 STOPPER HINGE MSGB0008103 C3400 BUMPER HINGE Black Black 52 5 MSGY00 STOPPER MSGY0008502 C3400 BUMPER FOLDER Black Black 51 5 MTAZ00 TAPE MTAZ0036001 C1300 CGRSV 27 X 9 X 0 05t Blue 53 5 MTAZ01 TAPE MTAZ0059801 C3300 TAPE BUMPER Transparent 55 4 AWAZ00 WINDOW ASSY AWAZ0007601 C3380 CAMERA ...

Page 134: ... 4 MCJN00 COVER REAR MCJN0040401 C3380 REAR Black 16 4 MGAD00 GASKET SHIELD FORM MGAD0065501 GE200 REAR Gold 25 4 MLEY00 LOCKER MLEY0000801 SIM LOCKER Silver 36 3 GMZZ00 SCREW MACHINE GMZZ0015101 1 4 mm 3 0 mm MSWR3 FN N Silver 3 MCCF00 CAP MOBILE SWITCH MCCF0019903 C3380 CAP MOBILE SWITCH Black Black 8 3 MLAK00 LABEL MODEL MLAK0006301 LG 30 5x21 5 4 1R Pearl White 5 ADCA00 DOME ASSY METAL ADCA002...

Page 135: ...SJMY0002602 3 0 V 80 mA 12 3 4 66 4 SUSY00 SPEAKER SUSY0014101 ASSY 8 ohm 92 dB 16 mm 4 0T 0 7W 50 4 SVCY00 CAMERA SVCY0004001 6 3 SAFY00 PCB ASSY MAIN SAFY0144603 4 SAFB00 PCB ASSY MAIN INSERT SAFB0039506 4 SAFF00 PCB ASSY MAIN SMT SAFF0068903 48 5 SAFC00 PCB ASSY MAIN SMT BOTTOM SAFC0060602 6 C307 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0004904 1 uF ...

Page 136: ... Blue 1608 R TP Blue SMD LED 6 LD306 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue SMD LED 6 LD307 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue SMD LED 6 LD308 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue SMD LED 6 LD309 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue SMD LED 6 LD310 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue SMD LED 6 LD311 DIODE LED CHIP EDLH0006001 Blue 1608 R TP Blue S...

Page 137: ...HY0000217 75 ohm 1 16W J 1005 R TP 6 R392 RES CHIP ERHY0000217 75 ohm 1 16W J 1005 R TP 6 R401 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 U403 IC EUSY0129501 SC 74A 3 PIN R TP HALL EFFECT SWITCH Pb Free 6 VA202 RES VARIABLE ETC ERVZ0000101 ohm PIN SMD R TP 1005 SIZE CHIP VARISTOR Pb Free 6 VA203 RES VARIABLE ETC ERVZ0000101 ohm PIN SMD R TP 1005 SIZE CHIP VARISTOR Pb Free 6 VA300 VARISTOR S...

Page 138: ...68 nF 6 3V K X5R HD 1005 R TP 6 C121 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C122 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C123 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C124 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C125 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C126 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 ...

Page 139: ... 39 pF 50V J NP0 TC 1005 R TP 6 C216 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C217 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C219 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C220 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C222 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C223 CAP CERAMIC CHIP ECCH0005801 2 2 uF 6 ...

Page 140: ... J NP0 TC 1005 R TP 6 C324 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C325 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C326 CAP CERAMIC CHIP ECCH0000167 0 1 uF 6 3V K X5R HD 1005 R TP 6 C327 CAP CERAMIC CHIP ECCH0000167 0 1 uF 6 3V K X5R HD 1005 R TP 6 C328 CAP CERAMIC CHIP ECCH0000167 0 1 uF 6 3V K X5R HD 1005 R TP 6 C329 CAP CERAMIC CHIP ECCH0000167 0 1 uF 6 3V...

Page 141: ... 27 pF 50V J NP0 TC 1005 R TP 6 C510 CAP CERAMIC CHIP ECCH0000186 33 pF 50V J NP0 TC 1005 R TP 6 C511 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C512 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C514 CAP CERAMIC CHIP ECCH0000101 5 pF 50V C NP0 TC 1005 R TP 6 C515 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C516 CAP CERAMIC CHIP ECCH0000115 22 pF 50V ...

Page 142: ...D TO BOARD ENBY0013008 60 PIN 0 4 mm STRAIGHT AU STACKING HEIGHT 1 5 SOCKET FOR LCM FPCB 6 D101 DIODE SWITCHING EDSY0016001 ESM 15 V 100 mA R TP PB FREE 6 D102 DIODE SWITCHING EDSY0012101 US FLAT 30 V 1 A R TP 2 5 1 25 0 6 t 6 FB101 FILTER BEAD CHIP SFBH0007102 10 ohm 1005 Ferrite Bead 6 FB400 FILTER BEAD CHIP SFBH0007102 10 ohm 1005 Ferrite Bead 6 FB403 FILTER BEAD CHIP SFBH0007102 10 ohm 1005 Fe...

Page 143: ...ee 6 Q300 TR BJT ARRAY EQBA0002701 EMT6 150 mW R TP NPN PNP 150 mA 6 Q301 TR BJT NPN EQBN0004801 SMT6 0 2 W R TP 6 Q401 TR BJT ARRAY EQBA0000406 SC 70 0 2 W R TP CDMA Common use 6 Q402 TR FET P CHANNEL EQFP0004501 SOT 323 29 W 1 8 V 86 A R TP P Chanel MOSFET Pb free 6 R101 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R102 RES CHIP ERHY0000241 1K ohm 1 16W J 1005 R TP 6 R103 RES CHIP ERHY0000225 ...

Page 144: ... 1608 R TP 6 R221 RES CHIP ERHY0000230 330 ohm 1 16W J 1005 R TP 6 R222 RES CHIP ERHY0000401 0 ohm 1 16W J 1608 R TP 6 R223 RES CHIP ERHY0000241 1K ohm 1 16W J 1005 R TP 6 R229 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R230 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R231 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R232 RES CHIP ERHY0000131 20K ohm 1 16W F 1005 R TP 6 R233 RES CHIP ER...

Page 145: ...6 R332 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R333 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R334 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R335 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 R336 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R337 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R338 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 R339 RES CHIP ERHY0000273...

Page 146: ...HIP ERHY0000258 7 5K ohm 1 16W J 1005 R TP 6 R407 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R408 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R499 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R501 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R502 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R503 RES CHIP MAKER ERHZ0000469 36 ohm 1 16W J 1005 R TP 6 R504 RES CHIP ERHY00002...

Page 147: ...TP 150mA CMOS LDO WITH OUTPUT CONTROL 2 8V 6 U205 IC EUSY0227901 SON5 P 0 35 fSV 5 PIN R TP 2 INPUT AND GATE Pb Free 6 U206 IC EUSY0163901 uCSP 10 PIN R TP Dual Analog Switch 300MHz Bandwidth 6 U207 IC EUSY0111601 32 PIN QFN 32 PIN R TP MA 3 40 TONES FM WAVEFORM TABLE 6 U302 IC EUSY0206101 80 ACTIVE BALL STACKED CSP 88 PIN R TP 128 MLC NOR L30 TYAX 64 PSRAM PB FREE 6 U401 IC EUSY0240501 6 2 7 2 SC...

Page 148: ...l Location No Description Part Number Specification Color Remark 6 X500 VCTCXO EXSK0005002 26 MHz 1 PPM 10 pF SMD 3 2 2 5 1 1 5 SPFY00 PCB MAIN SPFY0117801 FR 4 1 0 mm BUILD UP 8 3 SNGF00 ANTENNA GSM FIXED SNGF0006301 3 0 2 0 dBd EGSM DCS Intenna 1 ...

Page 149: ...ion Color Remark 3 MHBY00 HANDSTRAP MHBY0002101 T5100 RUSSV Square Coupling Cow Leather Metal Silver 3 SBPL00 BATTERY PACK LI ION SBPL0076308 3 7 V 1000 mAh 1 CELL PRISMATIC GC200 K PJT BATTERY 523450 INNERPACK Silver 3 SGDY00 DATA CABLE SGDY0004401 DK 20G G7000 Cable bulk 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003204 L1200 MONO TYPE 3 SSAD00 ADAPTOR AC DC SSAD0007837 FREE 50 Hz 5 2 V 800 mA CE CB ...

Search results

Summary of Contents for C3380

Reviews:

Related manuals for C3380

Brands by name

Popular brands

LG C3380, Service Manual

Search results

Summary of Contents for C3380

Reviews:

Related manuals for C3380

Brands by name

Popular brands