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Samsung SGH-E760, Service Manual

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Samsung SGH-E760 Service Manual Download Page 39

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

7-19

7-8. Receiver Part(<- recheck?)

U600 EAR1, EAR2

= 1.5V?

Resolder U200 or change PBA

END

No

Yes

Yes

Receiver does not work

LCD MODULE

SPK +,- PAD

= 1.5V?

Change the LCD Module

No

Yes

No

Resolder CN700

Yes

Check LCD connector

CN700 pin 37, 38

제목확인바람

Summary of Contents for SGH-E760

Page 1: ...SM TELEPHONE SGH E760 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: ...Ltd September 2005 Printed in Korea Code No GH68 08106A 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: ... 1023 512 885 512 810 Tx Rx spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 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 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl ...

Page 4: ...3 dBm 16 11 5 dBm 17 9 5 dBm 18 7 5 dBm 19 5 5 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 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 8 14 3 dBm 9 12 4 dBm 1...

Page 5: ...s of the system through the transceiver pin VCXOOUT1 Transceiver U100 This chip is a RF transceiver IC for GSM850 900 DCS1800 and PCS1900 Quad band cellular system and incorporates GPRS transceiver capability and integrates most of the low power silicon functions of a transceiver It incorporates triple RF LNAs direct conversion mixers which are IQ demodulator an auto offset calibrated programmable...

Page 6: ... Brightness Modulator BBM contains a programmable Pulse width modulator PWM and FET to modulate the intensity of a series of LED s or to control a DC DC converter that drives LCD backlight Clock Generator The Clock Generator CG generates all clocks for internal and external usage The 32 768 kHz crystal oscillator provides an accurate low clock frequency for the PCF50603 and other circuitry 2 2 2 L...

Page 7: ...ng s memory KBJ10KB00A The KBJ10KB00A is a Multi Chip Package Memory whichcombines 256Mbit Synchronous Burst Multi Bank NOR Flash Memory and 1Gbit NAND Flash and 128Mbit Synchronous Burst U tRAM It has 16 bit data line HD 1 16 which is connected to PCF5213 and MV3315DOQ also has 24 bit address lines HA 1 24 There are 3 chip select signals CS0n_FLASH CS4n_NAND and CS1n_RAM In the Wrting process WEn...

Page 8: ...ls requency from 26MHz x tal It generates the clock frequency This clock is connected to PCF5213EL1 YMU765 and MV3315DOQ 2 2 11 Camera DSP MV3315DOQ MV3315DOQ provides rich video functions up to 30 frame display with minimized tasks in the handset main processor as well as hardware based real time JPEG compression and decompression MV3315DOQ directly transmits and previews the RGB data to the LCD ...

Page 9: ... View and Parts List 3 1 This Document can not be used without Samsung s authorization 3 1 Exploded View QCA01 QLC01 QMO01 QAR01 QFL01 QHI01 QSC05 QMW02 QFU01 QLC02 QFR01 QKP01 QVK01 QCA02 QMP01 QAN02 QCK02 QRE01 QCR06 QBA01 QRF01 QCR06 QSC07 QME01 QRF03 QVO02 QIF01 ...

Page 10: ...OVER V1 SGH E760 PC URETHANE GH72 22976A QKP01 ㅤ MEC KEY PAD SGH E760 EU SIL GH75 07398A QLC01 ㅤ LCD SGH E760 MAIN LTS180QC F02 SGH E GH07 00737A QLC02 ㅤ LCD SGH SUB MODULE PM09EC015A SGH E7 GH07 00741A QME01 ㅤ UNIT METAL DOME SGH E760 EU 12V GH59 02227A QMO01 ㅤ MOTOR DC SCHX460 DMJBRK32M SCH X460 GH31 00036A QMP01 ㅤ PBA MAIN SGHE760 SGH E760 XET EU PBA GH92 02239A QMW02 ㅤ PCT MAIN WINDOW SGH E760...

Page 11: ...EE CARD COMM SEC ENGLISH UN GH68 07013A MANUAL USER SGH E760 XEG GERMAN GERM GH68 07680A LABEL R MAIN EU SGH E760 EU POLYES GH68 07758A CUSHION CASE MAIN SGH E750 PULP T0 5 GH69 03134A BOX P UNIT EU SGH E760 SC350 SC350 GH69 03138A PMO BATT LOCKER SGH E760 PC K2261 B GH72 22975A RMO PBA MCP RUBBER SGH E760 CR RUBBE GH73 05327A MPR BOHO VINYL IF SGH E720 950 85X1 GH74 13606A MPR TAPE FPCB HOLE SGH ...

Page 12: ... view and Part List 3 4 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 03306A 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00337A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00219A 3 3 6 TA GH44 00954A ...

Page 13: ...RAMIC CHIP 2203 006399 C148 C402 C406 C408 C CERAMIC CHIP 2203 000628 C200 C306 C400 C401 C CERAMIC CHIP 2203 006208 C206 C207 C208 C211 C CERAMIC CHIP 2203 005482 C212 C213 C214 C216 C CERAMIC CHIP 2203 005482 C300 C626 C CERAMIC CHIP 2203 000254 C301 C302 C305 C307 C CERAMIC CHIP 2203 005482 C304 C CERAMIC CHIP 2203 000725 C308 C311 C312 C315 C CERAMIC CHIP 2203 005482 C309 C CERAMIC CHIP 2203 0...

Page 14: ...03 002840 L600 L601 L602 L603 INDUCTOR SMD 2703 001259 L700 CORE FERRITE BEAD 3301 001534 LED600 LED601 LED602 LED 0601 002055 LED603 LED604 LED605 LED 0601 002055 LED606 LED607 LED608 LED 0601 002055 LED609 LED610 LED611 LED 0601 002055 LED612 LED613 LED614 LED 0601 002055 LED615 LED616 LED617 LED 0601 002055 MIC600 MIC CONDENSOR 3003 001107 MODULE1 FILTER 2911 000007 OSC100 OSCILLATOR VCTCXO 280...

Page 15: ...R CHIP 2007 007480 R701 R702 R703 R704 R CHIP 2007 002970 R705 R706 R707 R708 R CHIP 2007 002970 R709 R710 R711 R712 R CHIP 2007 002970 R720 R CHIP 2007 000162 R721 R722 R723 R724 R CHIP 2007 002970 R725 R726 R CHIP 2007 002970 SIM400 CONNECTOR CARD EDGE 3709 001384 U100 IC 1205 002709 U101 IC RF 1201 002223 U103 U303 IC 0801 002237 U200 IC 1205 002647 U300 IC IMAGE GH13 00030A U301 IC 1204 002138...

Page 16: ...ent can not be used without Samsung s authorization SEC CODE Description Design LOC V500 THERMISTOR 1404 001221 V601 V602 V702 V705 VARISTOR 1405 001082 ZD500 DIODE ZENER 0403 001547 ZD501 DIODE ZENER 0403 001427 ZD502 ZD600 ZD602 DIODE TVS 0406 001203 ZD601 ZD700 ZD701 DIODE TVS 0406 001208 ...

Page 17: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 Block Diagrams 5 1 5 1 RF Solution Block Diagram ...

Page 18: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 5 2 5 2 Base Band Solution Block Diagram ...

Page 19: ...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 20: ...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 21: ...e initial operation Yes No Check the clock generation circuit related to U100 Check for the clock at C303 26MHz Check the VDD_GSM_CORE circuit C400 VDD_GSM_CORE 1 8V No C424 VDD_IO_LOW C423 VDD_IO_HIGH H Yes No Resolder OSC400 Check the Clock at R402 32KHZ Yes No Change the PMU U400 Yes No END Change the Battery Power On does not work Check the Battery Voltage is more than 3 4V Yes ...

Page 22: ...0 _IRQ 27 _ONKEY 1 _REC1 13 _REC2 11 _RSTHC 44 _SIMRSCD 7 _SIMRSHC 40 SIMD3VBAT 45 SIMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 VBAT 32 VCHG 29 VINT RF1VDD 22 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 SDA 43 SIMCKCD 8 SIMCKHC 53 NC NC 54 26 OSCI 25 OSCO 6 PWREN1 5 PWREN2 28 REFC 23 RF12VBAT 46 GPO3 HCVBAT 18 17 HCVDD 15 IOD2VBAT IOVDD 14 LPD1VBAT 20 19 LPVDD 12 MICBIAS D2VDD 16 39 D3VDD 49 GND GND 50 51 GND GND ...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 3 ...

Page 24: ...low Chart of Troubleshooting 7 4 7 2 Initial U200 pin 12 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U200 R203 R204 OK Yes Yes No Check the U200 Check the 16bit data signal Yes Yes Check the Battery Voltage is more than 3 4V No Change the Battery Yes No Check U405 pin 4 32MHz Change the PMU ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 5 ...

Page 26: ...w Chart of Troubleshooting 7 6 7 3 Charging Part Yes Resolder or replace U503 Check the circuit related to AUX_ON signal Resolder or replace U503 Check the circuit related to V_EXT_CHARGE Yes No Check the U503 pin 10 4 2V Yes No U503 pin 3 L Yes No U503 pin 5 L Yes No END Abnormal charging part Check the U503 pin 1 4 9V ...

Page 27: ...ng This Document can not be used without Samsung s authorization 7 7 BATTERY CHARGING VBAT R513 C501 R511 C504 C503 ZD500 C507 VDD_IO_HIGH R514 _CHG 5 _EN _PPR 3 BAT 1 CRDL GND 11 8 GND ICDL 9 IMIN 6 2 USB 7 USBON 4 U503 10 ZD501 V_EXT_CHARGE CHG_ON END_OF_CHG USB_CHG_ON VBUS AUX_ON ...

Page 28: ...zation Flow Chart of Troubleshooting 7 8 7 4 Sim Part SIM400 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 Clock After Power ON Check SIMCLK Signal on pin3 of SIM400 in a few Yes No Replace PBA After SIM card insert SIM400 pin 2 H SIM_RST Yes ...

Page 29: ...IMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 VBAT 32 VCHG 29 VINT RF1VDD 22 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 SDA 43 SIMCKCD 8 SIMCKHC 53 NC NC 54 26 OSCI 25 OSCO 6 PWREN1 5 PWREN2 28 REFC 23 RF12VBAT 46 GPO3 HCVBAT 18 17 HCVDD 15 IOD2VBAT IOVDD 14 LPD1VBAT 20 19 LPVDD 12 MICBIAS D2VDD 16 39 D3VDD 49 GND GND 50 51 GND GND 52 48 GPO1 47 GPO2 34 CHGCUR BATMAX 33 CHGDRV 4 CLK32K 36 CPVBAT 35 CPVDD 21 D1VDD C...

Page 30: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 10 ...

Page 31: ...ation Flow Chart of Troubleshooting 7 11 7 5 Microphone Part Replace the MIC No Check the MIC Yes Microphone does not work Check the JACK_EN signal No Check CN601 PIN 8 H No Yes Yes Yes Yes No END Resolder the C600 R603 R607 C603 C608 Resolder MIC Check the circuit from U200 to MIC Check the connection from MIC ...

Page 32: ...ow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 12 Close to microphone Close to MCP MAIN_MIC C606 C602 ZD600 R603 C608 R607 C610 OSF213 42D MIC600 R601 R600 C600 C607 C601 ZD602 C612 MIC_BIAS C603 MIC_CP MIC_N MIC_P ...

Page 33: ...bleshooting 7 13 7 6 Speaker Part Melody Check the U301 Pin 3 15 Speaker does not work Check the U600 Pin 11 EAR1 Replace the U600 No Yes No Check the U301 Resolder C312 C315 Yes Check LCD connector CN700 PIN 37 38 Resolder CN700 No Yes No END Check speaker SPK SPK Operate Replace SPK Yes Yes Check LCD Module Replace LCD Module No Yes ...

Page 34: ...13 C604 L602 R606 C611 C614 C628 L603 VOMR 5 VSS 6 VOPR 7 VDD 8 VSS 9 VDD VDD 22 VIML 23 VREFL 24 VIPL GND 25 26 NC NC 27 3 VDD 4 VSS 15 VDD 16 VOML 17 VSS 18 VOPL 19 VDD 2 VSS 20 VSS 21 1 EN_L 10 VIMR 11 VREFR 12 VIPR 13 EN_R 14 U712 3 4 4 R602 CN600 spk_con 1 1 2 2 3 L601 L600 C627 C609 100 R608 C706 NO 6 V 2 VBAT DG2011 U606 5 COM 3 GND 1 IN NC 4 SPK_L_P SPK_L_N AMP_EN AMP_EN SPK_R_N SPK_R_P EA...

Page 35: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 15 ...

Page 36: ...t can not be used without Samsung s authorization 7 16 7 7 Key Data Input When one of the keys is pushed Isn t it displayed on LCD Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KEY_ROW 0 4 KEY_COL 0 4 signal is OK Resolder V702 ZD700 ZD701 No Yes ...

Page 37: ...otice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 17 VOLUME_KEY CAMERA_KEY End_Key SW701 3 GND 1 IN 2 OUT V702 ZD701 END 12 SW700 SIDE KEY ZD700 KEY_COL 1 KEY_COL 0 KEY_ROW 3 KEY_ROW 3 KEY_ROW 4 ONKEYN ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 18 ...

Page 39: ...ut Samsung s authorization Flow Chart of Troubleshooting 7 19 7 8 Receiver Part recheck U600 EAR1 EAR2 1 5V Resolder U200 or change PBA END No Yes Yes Receiver does not work LCD MODULE SPK PAD 1 5V Change the LCD Module No Yes No Resolder CN700 Yes Check LCD connector CN700 pin 37 38 제목확인바람 ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 20 ...

Page 41: ...out Samsung s authorization 7 21 7 9 Back Light for Color Main LCD Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes Backlight does not work IC8 pin 5 H Change the board to board Connector No Yes IC8 PIN 2 Vbat Check the IC8 the related circuit No Yes Yes Replace the LCD Module ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 22 ...

Page 43: ... change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 23 7 10 Key Back Light U700 pin 3 6 H Check the U200 related to KEY_LED_ON END No Yes Yes Main Key LED does not work ...

Page 44: ...e to 0601 002055 KEY_LED 56 R711 LED600 LED617 NC STBY 1 3 VIN VOUT 4 U700 2 GND GND 6 5 LED606 56 R706 R701 56 56 R724 R722 56 56 R702 LED612 R705 56 LED607 LED616 LED601 LED610 R726 56 R709 56 R723 56 LED609 56 R725 R703 56 56 R712 56 R721 VBAT LED611 LED614 LED613 C704 56 R708 R707 56 LED603 LED604 R704 56 LED615 LED602 56 R710 C700 LED608 LED605 KEY_LED_ON ...

Page 45: ...oubleshooting 7 25 7 11 Camera part Camera function does not work Yes No Reconnect the camera module Check the Camera connector Yes CN 704 Pin 1 20 2 8V No Check the U405 or IC5 Yes END CN704 Pin 17 19 2 8V Yes No Check the U405 or I C CN 704 Pin 1 20 2 8V Yes No Replace the Camera Module Check the camera module Change the PBA No Yes ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 26 ...

Page 47: ...ay change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 27 7 13 BLUETOOTH BLUETOOTH does not work Yes R110 H No Check the U200 Yes Replace ANT102 No Replace U711 Yes END ...

Page 48: ...n8 65dBm Resolder CON1 C103 No Yes RX ON RF input 62CH Amp 50dBm Check Module1 pin9 pin10 pin12 L Module1 pin1 pin2 65dBm Check ANT Switch control circuit Resolder Module1 Yes Yes No No END U100 H7 H8 J7 J8 1V U100 E1 70dBm F1 70dBm Resolder C112 C108 L107 Check U100 J2 A6 B6 A9 E9 2 7V Check Resolder U100 U709 RF26MHz RF PSU Part Resolder U100 Yes Yes Yes Yes No No No Check U200 ...

Page 49: ...e1 pin10 H 2 68V pin9 pin12 L Module1 pin11 18dBm U101 pin8 18dBm U101 7pin 11dBm Change or Resolder Module1 Check ANT Switch control circuit Resolder R122 C104 C107 Yes Check U101 VBAT pin4 pin6 OK Resolder or Change U101 Check VBAT or U101 control signal No No No No Yes Yes Yes Yes Yes No Yes No No No Check Resolder U100 U709 RF26MHz RF PSU Part Check U100 J2 A6 B6 A9 E9 2 7V U100 H7 H8 J7 J8 1V...

Page 50: ...8 65dBm Resolder CON1 C103 No Yes RX ON RF input 698CH Amp 50dBm Check Module1 pin9 pin10 pin12 L Module1 pin3 pin4 65dBm U100 D1 70dBm C1 70dBm Check ANT Switch control circuit Resolder Module1 Resolder C106 L104 L105 Yes Yes Yes No No No END U100 H7 H8 J7 J8 1V Check U100 J2 A6 B6 A9 E9 2 7V Check Resolder U100 U709 RF26MHz RF PSU Part Resolder U100 Yes Yes Yes No No Check U200 ...

Page 51: ...dule1 pin12 H 2 68V pin9 pin10 L Module1 pin13 18dBm U101 pin9 18dBm U101 pin1 11dBm Change or Resolder Module1 Check ANT Switch control circuit Resolder L123 Yes Check U101 VBAT pin4 pin6 OK Resolder or Change U101 Check VBAT or U101 control signal No No No No No Yes Yes Yes Yes Yes No Yes U100 H7 H8 J7 J8 1V Check Resolder U100 U709 RF26MHz RF PSU Part Yes No No END Check U200 Resolder U100 Yes ...

Page 52: ... 65dBm Resolder CON1 C103 No Yes RX ON RF input 661CH Amp 50dBm Check Module1 pin9 H pin10 pin12 L Module1 pin5 pin6 65dBm U100 B1 70dBm A1 70dBm Check ANT Switch control circuit Resolder Module1 Resolder C115 L109 L110 Yes Yes Yes No No No END U100 H7 H8 J7 J8 1V Check U100 J2 A6 B6 A9 E9 2 7V Check Resolder U100 U709 RF26MHz RF PSU Part Resolder U100 Yes Yes Yes No No Check U200 ...

Page 53: ...le1 pin12 H 2 68V pin9 pin10 L Module1 pin13 18dBm U101 pin9 18dBm U101 pin1 11dBm Change or Resolder Module1 Check ANT Switch control circuit Resolder L123 Yes Check U101 VBAT pin4 pin6 OK Resolder or Change U101 Check VBAT or U101 control signal No No No No No Yes Yes Yes Yes Yes No Yes U100 H7 H8 J7 J8 1V Check Resolder U100 C147 U709 RF26MHz RF PSU Part Yes No No END Check U200 Resolder U100 Y...

Page 54: ... GNDLNA J1 VCCOPLL J2 VCCTXVCO J3 TXOUTD J4 TXOUTG J5 GSM0GND VCCMASH G8 CLKOUT1 G9 GSM0LNAIB H1 GNDOPLL H2 GNDTXVCOD H3 GNDTXVCOB H4 GNDTXVCOG1 H5 VCCTXVCOG H6 GNDCLK E8 VCCCLK E9 GSM1LNAIB F1 GSM1GSM0GND F2 CLK F8 SDATA F9 GSM0LNAI G1 G2 CLK2CONT C8 GNDBUF2 C9 DCSLNAIB D1 DCSGSM1GND D2 DIVON D8 CLKOUT2 D9 GSM1LNAI E1 GND E2 CAPQB B5 VCCRFVCO B6 GNDRFSYN B7 GNDBUF1 B8 TCXOIN B9 DCSLNAI C1 PCSDCSG...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 35 ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 36 ...

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