Samsung SGH x495 - Cell Phone - T-Mobile Service Manual Download Page 47 | Manualshive

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SAMSUNG Proprietary-Contents may change without notice

Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

7-

19

7-9. LCD Part (for Color Main )

Is LCD Contrast set on

high level in the Menu?

Set LCD Contrast on high level

END

No

Yes

Yes

LCD does not work

HEA1 pin 2 = 2.8V?

Check the U502

No

Yes

HEA1 pin 19(HWR_N)

21(HA(1)) is OK?

Check the U202

No

Yes

Yes

Replace the LCD Module

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Summary of Contents for SGH x495 - Cell Phone - T-Mobile

Page 1: ...SM TELEPHONE SGH X495 GSM TELEPHONE CONTENTS 1 Specification 2 Circuit Description 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams 7 Flow Chart of Troubleshooting ...

Page 2: ...o Ltd June 2005 Printed in Korea Code No GH68 07423A BASIC This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ⓒ ...

Page 3: ...30 1990 ARFCN range 128 251 512 885 512 810 Tx Rx spacing 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm 100dBm 100dBm TDMA Mu...

Page 4: ... 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm 1 2 GSM TX power class TX Power control level PCS1900 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm ...

Page 5: ...T After additional process the reference clock applies to the U100 Rx IQ demodulator and Tx IQ modulator And then the oscillator is controlled by serial data to select channel and use fast lock mode for GPRS high class operation Transceiver U101 The receiver front end which amplifies the GSM DCS aerial signal converts the chosen channel down to a low IF signal of 100 kHz The first stages are symme...

Page 6: ...ter provides support for 1 8V 3 0VSIMs while a self resetting electronically fused switch supplies power to external accessories Ancillary support functions such as RTC module and High Voltage Charge pump Clock generator aid in reducing both board area and system complexity I2C BUS serial interface provides access to control and configuration registers This interface gives a microprocessor full co...

Page 7: ...closed to the OM6359 This uses the hall effect IC A321ELH SAMSUNG A magnet under main LCD enables A321ELH SAMSUNG 2 2 4 EMI ESD Filter This system uses the EMI ESD filter EMIF09 to protect noise from IF CONNECTOR part 2 2 5 IF connetor It is 18 pin connector They are designed to use VBAT V_EXT_CHARGE TXD0 RXD0 RTS0 CTS0 JIG_REC CHARGER_OK RXD1 TXD1 AUX_MIC AUX_SPK and GND They connected to power s...

Page 8: ... and SRAM During reading process HRD_N is low and it enables reading process to flash memory and SRAM Reading or writing procedure is processed after HWR_N or HRD_N is enabled 2 2 9 OM6359 OM6359 is consisted of ARM core and DSP core It has 8x1Kword on chip program data RAM 55 Kwords on chip program ROM in the DSP It has 4K 32bits ROM and 2K 32bits RAM in the ARM core DSP is consisted of KBS JTAG ...

Page 9: ... n d P a r t s L i s t 3 1 Th i s Do c u me n tc a n n o tb e u s e d wi t h o u tSa ms u n g s a u t h o r i z a t i o n 3 1 Exploded View QIF01 QFR01 QSC14 QMP01 QKP01 QVO01 QME01 QAN02 QRE01 QCR1 1 QRF03 QMI01 QBA01 QFU01 QSP01 QMO01 QLC01 QFL01 QMW02 QSC01 QCR17 QRF01 QVK01 ...

Page 10: ...ULE UG 12R168 C SGH GH07 00763A QME01 ㅤ UNIT METAL DOME SGH X497 SSM5017P850 GH59 02046A QMI01 ㅤ MICROPHONE ASSY SGHX497 2 130 500uA GH30 00198A QMO01 ㅤ MOTOR DC SGHZ130 DMJBRK20C SGH Z130 GH31 00154D QMP01 ㅤ PBA MAIN SGHX495 SGH X495 TMB USA PB GH92 02214A QMW02 ㅤ PCT WINDOW MAIN SGH X495 ACRYLIC SHE GH72 19918B QRF01 ㅤ MPR RF SHEET SGH X495 PC SHEET 0 3T GH74 14435C QSC01 ㅤ MPR SCREW SHEET SGH X...

Page 11: ...UP CLAM SGH X495 HI GH69 03059A CUSHION SGHX495 LOW CLAM SGH X495 H GH69 03060A BOX P SGHX495 IN BOX_WALL SGH X495 GH69 03076B BOX P SGHX495 CLAM_MASTER SGH X495 GH69 03130A BOX P SGHX495 PATTION SGH X495 SC3 GH69 03132A PMO BATT LOCKER SGH X495 PC K2261 BL GH72 19954B PCT WINDOW SUB SGH X495 ACRYIC SHEET GH72 19964A PMO STOPPER SGH X495 POLY URETHANE W GH72 21517B RMO RUBBER TOP LCD A SGH X495 CR...

Page 12: ...tL i s t 3 4 Th i s Do c u me n tc a n n o tb e u s e d wi t h o u tSa ms u n g s a u t h o r i z a t i o n 3 3 Test Jig GH80 01909A 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00217A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00219A 3 3 6 TA GH44 00184G ...

Page 13: ...P 2203 000233 C113 C CERAMIC CHIP 2203 000233 C114 C CERAMIC CHIP 2203 005482 C115 C CERAMIC CHIP 2203 005057 C116 C CERAMIC CHIP 2203 005138 C117 C CERAMIC CHIP 2203 001383 C118 C CERAMIC CHIP 2203 000359 C119 C CERAMIC CHIP 2203 000696 C120 C CERAMIC CHIP 2203 000836 C121 C CERAMIC CHIP 2203 001101 C122 C CERAMIC CHIP 2203 005482 C123 C CERAMIC CHIP 2203 005057 C124 C CERAMIC CHIP 2203 006053 C1...

Page 14: ... 2203 000995 C155 C CERAMIC CHIP 2203 000995 C156 C CERAMIC CHIP 2203 000438 C157 C CERAMIC CHIP 2203 001239 C158 C CERAMIC CHIP 2203 001239 C200 C CERAMIC CHIP 2203 005061 C203 C CERAMIC CHIP 2203 005061 C204 C CERAMIC CHIP 2203 000254 C206 C CERAMIC CHIP 2203 005061 C207 C CERAMIC CHIP 2203 000254 C208 C CERAMIC CHIP 2203 000254 C210 C CERAMIC CHIP 2203 006423 C212 C CERAMIC CHIP 2203 005061 C21...

Page 15: ...03 000386 C314 C CERAMIC CHIP 2203 005482 C315 C CERAMIC CHIP 2203 006257 C316 C CERAMIC CHIP 2203 000628 C317 C CERAMIC CHIP 2203 006562 C318 C CERAMIC CHIP 2203 000628 C319 C CERAMIC CHIP 2203 006562 C320 C CERAMIC CHIP 2203 006053 C321 C CERAMIC CHIP 2203 000885 C322 C CERAMIC CHIP 2203 006208 C323 C CERAMIC CHIP 2203 006324 C324 C CERAMIC CHIP 2203 000812 C325 C CERAMIC CHIP 2203 005065 C326 C...

Page 16: ... 2203 000679 C412 C CERAMIC CHIP 2203 005482 C413 C CERAMIC CHIP 2203 000679 C415 C CERAMIC CHIP 2203 000489 C416 C CERAMIC CHIP 2203 000679 C418 C CERAMIC CHIP 2203 000278 C419 C CERAMIC CHIP 2203 006423 C420 C CERAMIC CHIP 2203 005736 C421 C CERAMIC CHIP 2203 000885 C422 C CERAMIC CHIP 2203 000254 C423 C CERAMIC CHIP 2203 001153 C424 C CERAMIC CHIP 2203 005483 C425 C CERAMIC CHIP 2203 005483 C42...

Page 17: ...783 CON101 CONNECTOR COAXIAL 3705 001358 EAR400 JACK PHONE 3722 002067 F100 FILTER SAW 2904 001571 F101 FILTER SAW 2904 001580 F102 FILTER SAW 2904 001570 HEA1 CONNECTOR HEADER 3711 005728 L101 INDUCTOR SMD 2703 002207 L102 INDUCTOR SMD 2703 002199 L103 INDUCTOR SMD 2703 002207 L104 INDUCTOR SMD 2703 002203 L105 INDUCTOR SMD 2703 002700 L106 INDUCTOR SMD 2703 001726 L107 INDUCTOR SMD 2703 002308 L...

Page 18: ...LED 0601 001790 LED508 LED 0601 001790 LED509 LED 0601 001790 LED510 LED 0601 001790 LED511 LED 0601 001790 LED512 LED 0601 001790 OSC100 OSCILLATOR VCO 2806 001326 OSC101 OSCILLATOR VCTCXO 2809 001281 Q100 TR DIGITAL 0504 001151 R101 R CHIP 2007 000162 R102 R CHIP 2007 000162 R103 R CHIP 2007 000162 R104 R CHIP 2007 007148 R105 R CHIP 2007 000141 R106 R CHIP 2007 007528 R107 R CHIP 2007 001288 R1...

Page 19: ...7 008213 R131 R CHIP 2007 008213 R132 R CHIP 2007 008213 R133 R CHIP 2007 008213 R134 R CHIP 2007 000140 R135 R CHIP 2007 000140 R136 R CHIP 2007 000171 R200 R CHIP 2007 000174 R201 R CHIP 2007 008055 R204 R CHIP 2007 000162 R205 R CHIP 2007 008055 R206 R CHIP 2007 008055 R207 R CHIP 2007 008055 R208 R CHIP 2007 008052 R209 R CHIP 2007 008516 R210 R CHIP 2007 008055 R211 R CHIP 2007 007107 R212 R ...

Page 20: ...7 008117 R305 R CHIP 2007 000151 R306 R CHIP 2007 007100 R400 R CHIP 2007 002796 R401 R CHIP 2007 000140 R402 R CHIP 2007 000148 R403 R CHIP 2007 008054 R404 R CHIP 2007 000140 R405 R CHIP 2007 008542 R406 R CHIP 2007 008055 R407 R CHIP 2007 002796 R408 R CHIP 2007 008055 R409 R CHIP 2007 007334 R410 R CHIP 2007 001313 R411 R CHIP 2007 008542 R412 R CHIP 2007 007334 R413 R CHIP 2007 007589 R414 R ...

Page 21: ...7 001301 R515 R CHIP 2007 001301 R516 R CHIP 2007 001301 R517 R CHIP 2007 001301 R518 R CHIP 2007 001301 R519 R CHIP 2007 001301 R520 R CHIP 2007 001301 R521 R CHIP 2007 001301 R522 R CHIP 2007 008055 R529 R CHIP 2007 008055 R530 R CHIP 2007 008055 R531 R CHIP 2007 009084 R532 R CHIP 2007 009084 R533 R CHIP 2007 009084 R534 R CHIP 2007 009084 R535 R CHIP 2007 009084 R536 R CHIP 2007 009084 R537 R ...

Page 22: ...002607 U300 IC 1203 003109 U301 DIODE TVS 0406 001200 U302 IC 1205 002350 U303 IC 1203 003808 U401 IC 1202 001036 U402 IC 1001 001306 U404 TR DIGITAL 0504 001100 U406 IC 1204 002461 U407 IC 1001 001231 U408 IC 0801 002237 U501 FILTER EMI SMD 2901 001325 U502 IC 0801 002882 U503 FILTER EMI SMD 2901 001246 U504 FILTER EMI SMD 2901 001325 U506 FILTER EMI SMD 2901 001325 U507 FILTER EMI SMD 2901 00132...

Page 23: ...Description SEC CODE V506 VARISTOR 1405 001121 V507 VARISTOR 1405 001121 V509 VARISTOR 1405 001121 X300 CRYSTAL UNIT 2801 004373 ZD300 DIODE ZENER 0403 001427 ZD401 DIODE TVS 0406 001201 ZD402 DIODE TVS 0406 001197 ZD406 DIODE TVS 0406 001201 ZD501 DIODE ZENER 0403 001387 ZD502 DIODE TVS 0406 001167 ZD503 DIODE TVS 0406 001197 ZD504 DIODE TVS 0406 001197 ...

Page 24: ...SAMSUNG Proprietary Contents may change without notice Electrical Parts List 4 12 This Document can not be used without Samsung s authorization ...

Page 25: ...LK DATA DCS PCS S W OFFSET Mixer input power 16dBm max 22dBm min fcompRF 26MHz Philips Transceiver UAA3536 Pins IA IB QA and QB V I Q 1 25V ty p 1 15V mi n 1 35Vmax Vmod 0 5V p p QUAD DIV PFD CP VREG Vcc_RF_LO FracN DIV 1 1 2 VREG 26MHz Vcc_REF 2 4V typ Vcc_SYN FE_SW1 FE_SW2 3W BUS CTL REG PWR EN GSM DCS PCS DIV QUAD PFD CP fTXIF 60MHz I OUT FESWON SYNON TXON GSM S W PMU HV S VDD1 1 35V min 2 95V ...

Page 26: ... Voltage Battery Temperature AFC RAMP Charging Circuit Li Ion Battery Standard OM6359 VIBRATOR SYSTEM CLOCK 13MHz RTC_CLOCK 32 768KHz KEY_BOARD RECEIVER MIC LCD RF INTERFACE VCC_RX_TX VCC_RF_VCO VCC_TX_BURST PMU VCC_SYN Serial Data Interface I O Interface A D Interface BB INTERFACE MELODY IC 40 Poly SPEAKER VDD1 VDD2 VDD3 VDD_VIB MIC_BIAS VCC_CP VDD_KEY VDD_AMP AVDD AVDD_TEMP SIM CARD BL_VDD ...

Page 27: ...SAMSUNG Proprietary Contents may change without notice 6 PCB Diagrams 6 1 This Document can not be used without Samsung s authorization 6 1 PCB Top Diagram ...

Page 28: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 6 2 This Document can not be used without Samsung s authorization 6 2 PCB Bottom Diagram ...

Page 29: ... than 3 4V Power On does not work Change the Battery END No Yes C315 V_ISUP 2 7V Check the PMU related to V_ISUP No Yes Check the Clock at R306 32KHZ Resolder X300 No Yes C340 VDD1 H Check the VDD1 circuit No Yes C339 VDD2 C338 VDD3 2 85V Check the VDD2 VDD3 circuit No Yes Check for the clock at C135 13MHz Check the clock generation circuit related to U101 No Yes Check the initial operation Yes Ye...

Page 30: ...C329 C327 C302 MIC_BIAS_2V1 C338 C325 C340 AVDD_TEMP_2V65 C321 VBAT VDD_KEY_2V95 C301 C312 34 4 55 66 7 G G 8 9 G G 10 G6 VCC_CP_4V CN300 11 2 2 3 D4 VSS20 VSS21 C4 F4 VSS3 G4 VSS4 VSS5 J3 G5 VSS6 VSS7 K5F6 VSS8 VSS9 E6 E7 VSS14 VSS15 D7 C7 VSS16 D6 VSS17 E5 VSS18 VSS19 D5 F5 VSS2 C2 VCC VIBVBAT B3 A3 VIBVDD H7 VPROG VSS1 E4 G7 VSS10 VSS11 G8F7 VSS12 VSS13 B8 A1 SIMSCN B1 SIMSCP B2 SIMVBAT SLPMOD ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 3 C339 ...

Page 32: ... not be used without Samsung s authorization Flow Chart of Troubleshooting 7 4 7 2 Initial R204 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U201 Pin memory CE OK Yes Yes No Check the U201 Check the circuit around LCD U201 Short or not solder Yes ...

Page 33: ... J5 HA15 GPIO3 M9 GPIO4 P7 L7 GPIO5 GPIO6 L9 GPIO7 N7 GPIO8 P6 GPIO9 N8 GPON1 L10 CS_N2 CS_N3 G3 B5 CTS0_N A11 EARN EARP B10 M12 GPIO0 K9 GPIO1 K8 GPIO10 GPIO2 L8 D8 E9 CDO D9 CEN CKI P11 P13 CKI32I CKI32O P14 CS_N0 N4 CS_N1 G5 M5 P10 AVSS BDIO E11 BIEN F10 F11 BIOCLK BOEN G11 B11 BUZ CCLK E10 CDI E12 D13 AUXDAC2 D12 AUXDAC3 AUXMICN A14 B14 AUXMICP K14 AUXON AUXSP A10 AUXST G10 P12 AVDD ACLK ADI A...

Page 34: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 6 ...

Page 35: ...without Samsung s authorization 7 7 7 3 Charging Part Check the U300 pin 2 4 9V Abnormal charging part END No Yes U300 pin 4 H No Yes Check the C300 4 2V No Yes Check the the circuit related to DCVOLT Resolder or replace U300 Check the circuit related to CHG_ON signal Yes U300 pin 5 L Yes No Resolder or replace U300 ...

Page 36: ... without Samsung s authorization Flow Chart of Troubleshooting 7 8 Charging CHARGER IC R302 R303 VDD2_2V85 VBAT C306 UDZS8 2B DCVOLT_5V C307 R300 C308 C300 C303 C304 R304 12 G 3 GND IN 2 ISET 4 1 VL 6 _ACOK _CHG 8 5 _EN U300 7 BATT 9 G 10 GG 11 MES_BATT CHARGER_OK END_OF_CHARGE CHG_ON ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 9 ...

Page 38: ...tion Flow Chart of Troubleshooting 7 10 7 4 Sim Part CN300 pin 1 5 H Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the 32k OSC After Power ON Check SIMCLK Signal on CN300 pin3 in a few second Yes No Replace PBA After SIM card insert CN300 pin 2 H SIM_RST Yes ...

Page 39: ...ment can not be used without Samsung s authorization 7 11 7 5 Microphone Part Check the connection from MIC Check the circuit from U202 to MIC Resolder MIC Resolder the R400 R401 R404 R407 L400 L401 C408 and C412 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Page 40: ... Chart of Troubleshooting 7 12 Close to MCP Close to microphone MICROPHONE R400 C405 C412 VDD2_2V85 MIC_BIAS_2V1 R401 C407 V402 C400 C414 C411 V401 5 6 7 R409 U401 2 C418 R416 L401 VDD2_2V85 C408 R415 R404 C406 C417 R412 VDD2_2V85 R402 L400 2 8 1 U401 1 4 3 C416 C413 R407 M400 MIC MIC_P MIC_N JACK_IN EAR_SWITCH Microphone ...

Page 41: ...408 pin 5 1 9V Speaker does not work Check the Clock signal at E2 CLKI of U406 13MHz Check the clock generation circuit related to OSC101 and U406 END No Yes No Resolder or replace U408 R405 R411 Around U406 1 8V When U406 operate Resolder U406 Yes No HEA1 pin 24 26 1 8V Check the circuit related to SPK_P SPK_N signal Yes No Is Speaker working No Yes Change the Speaker Yes Yes ...

Page 42: ... G3 RD SI G4 DVDD E1 CLKI E2 E3 A1 MCLK E6 IRQ E7 IOVDD1 E8 A0 F1 D7 F2 C8 SPVDD DVSS D1 PLLC D2 RST D3 D4 INDEX D6 TESTI0 DVDD D7 DVSS D8 SPVSS B8 AVDD C1 TXOUT C2 RXIN C3 EXTIN C4 BBR C5 EXTOUT C6 TESTI3 C7 SPOUT1 A8 AVSS B1 VREF B2 HPC B3 EQ1 B4 BBL B5 HPOUTL B6 SPOUT1 B7 NC 2 A1 RXIN EXC A2 EQ2 A3 EQ3 A4 A5 HPVSS HPOUTR A6 SPOUT2 A7 U406 YMU788 NC 1 C424 VDD_1 9V R417 R405 VDD_1 9V C421 C420 R...

Page 43: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 15 ...

Page 44: ...d without Samsung s authorization Flow Chart of Troubleshooting 7 16 7 7 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key rubber END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the PBA No Yes ...

Page 45: ...in 3 15 1 5V Resolder or replace U402 END No Yes Yes Receiver does not work SPK PAD 1 5V Change LCD module No Yes Is Receiver working Replace the Receiver No Yes No Resolder or replace U402 Yes No Resolder EAR400 EAR400 pin 5 2 short Yes HEA1 pin 24 26 1 5V No Resolder HEA1 Yes Check the soldering of the speaker wire No Modify the speaker wire soldering Yes U402 pin 8 12 1 5 ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 18 ...

Page 47: ...not be used without Samsung s authorization 7 19 7 9 LCD Part for Color Main Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes LCD does not work HEA1 pin 2 2 8V Check the U502 No Yes HEA1 pin 19 HWR_N 21 HA 1 is OK Check the U202 No Yes Yes Replace the LCD Module ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 20 TP212 ...

Page 49: ...ts may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 21 7 10 Key Back Light C333 H Check the PMU related to VDD_KEY END No Yes Key Backlight does not work Yes ...

Page 50: ...nput CH center freq Amp 50dBm Check U100 pin2 L pin4 L pin8 L U100 pin5 65dBm F101 pin1 70dBm U101 pin6 7 8 9 1V U101 pin32 70dBm pin33 70dBm Check ANT Switch control circuit Resolder U100 Resolder F101 C107 L115 Resolder L112 L113 L114 Check U101 pin10 22 28 2 7V pin20 4 0V Check Resolder RF PSU Part Check Resolder U101 RF26MHz part R104 R105 R130 R131 R132 R133 1V Yes Yes Yes Yes Yes Yes Yes Yes...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 23 ...

Page 52: ...SC100 pin1 6Bm U101 Pin6 7 8 9 500mV Resolder CN101 C102 Check U100 pin2 L pin4 H pin8 L Resolder C119 L117 Check U101 pin4 4 0V pin22 28 2 7V Change or Resolder U100 Check ANT Switch control circuit Check Resolder RF PSU part Resolder U101 or check Txcpo R129 Yes No Yes Yes Yes Yes Yes Yes No No No No No No No Check U102 VBATT pin42 43 OK Resolder or change U102 or check PAM control signal Check ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 25 ...

Page 54: ... U100 pin1 65dBm F102 pin1 70dBm U101Pin38 70dBm Pin39 70dBm U101 pin6 7 8 9 1V R130 R131 R132 R133 1V Check U202 END Resolder CN101 C102 Check U100 pin2 L pin4 L pin8 L Check ANT Switch control circuit Resolder U100 No Yes Resolder F102 C104 L111 Resolder L105 L106 L108 Check U101 pin22 28 2 7V pin4 4 0V Check Resolder RF PSU Part Check Resolder U101 RF26MHz part R104 R105 Yes Yes Yes Yes Yes Yes...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 27 ...

Page 56: ...der U100 Check U100 pin2 L pin4 L pin8 H Yes Resolder CN101 C102 END Check U202 U101 Pin6 7 8 9 500mV OSC100 pin2 6Bm U102 Pin37 3dBm U102 Pin31 20dBm U100 Pin9 20dBm U100 Pin7 20dBm Resolder U101 or check Txcpo R129 Check Resolder RF PSU part Check U101 pin4 4 0V pin22 28 2 7V Resolder R115 R120 R121 No Yes Yes Yes Check U102 VBATT pin42 43 OK Resolder or change U102 or check PAM control signal C...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 29 ...

Page 58: ... C103 L104 Check ANT Switch control circuit Change or Resolder U100 Check U100 pin2 H pin4 L pin8 L Resolder CN101 C102 END Check U202 R130 R131 R132 R133 1V U101 Pin 6 7 8 9 1V U101 Pin35 36 70dBm F100 Pin1 70dBm U100 Pin3 65dBm U100 Pin7 65dBm Check Resolder U101 RF 26MHz part R104 R105 Check Resolder RF PSU part Check U101 pin4 4 0V pin22 28 2 7V Resolder L101 L102 L103 Yes No Yes Yes Yes Yes Y...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 31 ...

Page 60: ...U101 pin4 4 0V pin22 28 2 7V Resolder R115 R120 R121 Check VBATT Check U102 VBATT pin42 43 OK Resolder or change U102 or check PAM control signal Resolder C117 L116 Check ANT Switch control circuit Change or Resolder U100 Check U100 pin2 L pin4 L pin8 H Yes Resolder CN101 C102 END Check U202 U101 Pin6 7 8 9 500mV OSC100 pin2 6Bm U102 Pin37 3dBm U102 Pin31 20dBm U100 Pin9 20dBm U100 Pin7 20dBm No N...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 33 ...

Page 62: ...XCPO 3 TXCPVCC 45 TXON 46 35 PCSIA 36 PCSIB 8 QA QB 9 REFGND 14 15 REFIN REFVCC 16 RFCPO 21 20 RFCPVCC 34 RFGND1 GND2 42 43 GND3 GND4 44 27 GNDTUNE 32 GSMIA 33 GSMIB 6 IA 7 IB IFVCC 10 45 NC1 NC2 CLKFDBX 11 CLKOUT DATA 17 38 DCSIA 39 DCSIB EN 19 EXTRES 2 FESW1 29 30 FESW2 40 FESWON 41 GND1 U101 12 CAFCSUP 18 CLK 13 R124 VCC3DCS PCS 21 18 VCC3GSM VCCOUT 19 VCCOUT 20 VRAMP 45 NC 15 TXENABLE 41 VBATT...

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