Samsung SGH-I750 Series Service Manual Download

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GSM TELEPHONE

SGH-i750

GSM TELEPHONE

CONTENTS

Specification

Circuit Description

Exploded Views and Parts List

Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

Disassembly and

Assembly

instructions

Summary of Contents for SGH-I750 Series

Page 1: ...0 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 8 Disassembly and Assembly instructions ...

Page 2: ...k Downlink 890 915 935 960 880 915 925 960 1710 1785 1805 1880 ARFCN range 1 124 0 124 975 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz 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 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 19pcl 5p...

Page 3: ...m 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 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 GSM900 5 33 3 dBm 6 31 3 dBm 7 29 3 dBm 8 27 3 dBm 9 25 3 dBm 10 23 3 dBm 11 21 3 dBm 12 19 3 dBm 13 17 3 dBm 14 1...

Page 4: ...passive component in it And also fully integrated fractional N RF synthesizer with AFC control possibility RF VCO with integrated supply regulator Semi integrated reference oscillator with integrated supply regulator RF Receiver front end amplifies the EGSM900 DCS1800 and PCS1900 aerial signal convert the chosen channel down to a low IF of 100kHz In IF section further amplifies the wanted channel ...

Page 5: ...ugh the transceiver pin CLKOUT 2 2 Logic Circuit description of SGH i750 2 2 1 Power Supply U204 PCF50603 8 low dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system performance and long battery life Dedicated SIM supply supports 3 0 V and 1 8 V cards including a power saving ECO mode for the power down mode of the SIM card Serial 400 kHz I...

Page 6: ...as 24kx16 bits PRAM 104k 16 bits 32k 16 XYRAM and 63k 16 XYROM in the DSP The ARM946E S consists of an ARM9E S processor core 8 kbyte instruction cache and 8 kbyte data cache tightly coupled ITCM Instruction Tightly Coupled Memory and DTCM Data Tightly Coupled Memory memories a memory protection unit and an AMBA Advanced Microcontroller Bus Architecture AHB Advanced High performance Bus bus interf...

Page 7: ...and UAA3587 U102 2 2 3 Audio Part EAR1 and EAR2 from PCF5213 are connected to the main speaker and receiver via Audio Codec WM9712 MIC_P and MIC_N are connected to the main MIC as well 2 2 4 PDA PART The PDA logic part consists of power supply part MPU memory part LCD part audio part and all the peripherals POWER SUPPLY When the battery is inserted to the handset VBAT makes VCC_BATT VCORE14 VPLL13...

Page 8: ... MAX1676 output path is connected to VDD30 which is MPU SDRAM voltage Backup battery supply main voltage or VDD30 If backup battery voltage is below 2V discharging path is disabled MPU Memory part MCP UCP301 RTPXA270C5C416 ARM Architecture Built in Memory Controller LCD Controller AC97 Controller and MMC Controller Intel PXA270 processor Clock and Power Controllers It has a variety of different sy...

Page 9: ...panel driver ICs a Backlight unit and a touch screen panel The resolution of 2 4inch contains 240x320 pixels and can display 65K colors Audio part PDA plays audio files via WM9712 and the voice of the phone is connected to the WM9712 Audio Codec UCD501 WM9712LEFL The WM9712 is a high quality stereo codec with an integrated touch screen controller Interfaced to PXA270 via AC 97 protocol AC 97 Rev 2...

Page 10: ...t covers only 2 4 GHz Module U801 BTEZ1702SA The Bluetooth Module which uses CSR s BC02 Audio is manufactured by SEMCO It only supports 802 15 Specification Bluetooth Specification 1 1 and communicates with CPU through UART Interface The data throughput is up to 1 Mbps in the abstractly but typically supports 723 57 6 Kbps in an asynchronous mode and 432 6 kbps in a synchronous mode Modulation met...

Page 11: ...transmission operating at 940nm for universal remote control applications USB There is a USB Client in the Phone part and PDA part each The USB signals are switched to the interface connector via MUX U712 MAX4636 The USB interface of the Phone part is used for data service The USB of the PDA part is used for downloading user files and application programs by ActiveSync to PC UART There is a UART p...

Page 12: ... not be used without Samsung s authorization 3 1 Exploded View QFU01 QFR01 QCK01 QVO03 QVO01 QCR49 QKP01 QME01 QSH01 QCR12 QMI01 QAN03 QAN04 QCR12 QCH01 QCR21 QBA01 QIF01 QKP02 QSP02 QAR01 QPC01 QLC01 QSR01 QSP01 QFL01 QCR26 QRE01 QST01 QRF01 QSC01 QAN06 QCR05 QAN02 QMO01 QCR12 QMP01 QCA01 QRF03 QME03 QMI03 ...

Page 13: ...75 09092A QFU01 MEC SLIDE UPPER GH75 07491A QIF01 PMO IF COVER GH72 22903A QKP01 MEC KEYPAD MAIN GH75 07495A QKP02 MEC KEYPAD SUB GH75 07496A QLC01 LCD SCHI819 MODULE GH07 00748A QME01 UNIT KEY PAD GH59 02271A QME03 UNIT SUB FPCB GH59 02270A QMI01 MICROPHONE ASSY SGHE640 GH30 00201A QMI03 RMO MIC HOLDER A GH73 06639A QMO01 MOTOR DC SGHI750 GH31 00224A QMP01 PBA MAIN SGHI750 GH92 02276A QPC01 MEA S...

Page 14: ...FLET GH68 09551A CUSHION CASE MAIN NEW GH69 03631A BOX P UNIT EU GH69 03666A RMO RUBBER WIFI GH73 06322A RMO CUSION RUBBER BT GH73 07074A RMO RUBBER CAMERA UPPER GH73 07177A MPR BOHO VINYL LCD CONN GH74 15350A MPR SPONGE BATTERY GH74 20583A MPR TAPE CONN A GH74 20584A MPR TAPE CONN B GH74 20585A MPR TAPE CONN C GH74 20586A MPR TAPE CONNECTER GH74 20587A MPR TAPE INTENNA GH74 20589A MPR SPONGE KEY ...

Page 15: ...st 3 4 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 03308A 3 3 2 RF Test Cable GH39 00261A 3 3 3 Test Cable GH39 00477A 3 3 5 Power Supply Cable 3 3 6 DATA CABLE GH39 00350A 3 3 7 TC GH44 01193A 3 3 1 USB JIG Cable 3 3 4 Serial Cable CSA LL64151 A ...

Page 16: ...02709 SNA C134 C CER CHIP 2203 000854 SA C137 C CER CHIP 2203 000254 SA C138 C CER CHIP 2203 000854 SA C140 C CER CHIP 2203 000585 SA C141 C CER CHIP 2203 000530 SA C142 C CER CHIP 2203 000585 SA C143 C CER CHIP 2203 000585 SA C144 C CER CHIP 2203 000812 SA C145 C CER CHIP 2203 002677 SA C148 C CER CHIP 2203 000425 SA C149 C CER CHIP 2203 001072 SA C152 C CER CHIP 2203 005234 SA C154 C CER CHIP 22...

Page 17: ...24 SA C241 C CER CHIP 2203 006048 SA C244 C CER CHIP 2203 006824 SA C245 C CER CHIP 2203 006257 SA C246 C CER CHIP 2203 006824 SA C247 C CER CHIP 2203 006257 SA C248 C CER CHIP 2203 006646 SA C249 C CER CHIP 2203 006562 SA C250 C CER CHIP 2203 001259 SA C301 C CER CHIP 2203 006562 SA C303 C CER CHIP 2203 006047 SA C304 C CER CHIP 2203 006562 SA C305 C CER CHIP 2203 006626 SA C306 C CER CHIP 2203 0...

Page 18: ...A C404 C CER CHIP 2203 002709 SNA C405 C CER CHIP 2203 002709 SNA C407 C CER CHIP 2203 002709 SNA C408 C CER CHIP 2203 006562 SA C409 C CER CHIP 2203 006562 SA C410 C CER CHIP 2203 002709 SNA C411 C CER CHIP 2203 002709 SNA C412 C CER CHIP 2203 006626 SA C413 C CER CHIP 2203 002709 SNA C414 C CER CHIP 2203 006562 SA C415 C CER CHIP 2203 006048 SA C416 C CER CHIP 2203 006048 SA C418 C CER CHIP 2203...

Page 19: ...66 SA C579 C CER CHIP 2203 006562 SA C580 C CER CHIP 2203 006048 SA C581 C CER CHIP 2203 000585 SA C582 C CER CHIP 2203 001259 SA C583 C CER CHIP 2203 000679 SA C584 C CER CHIP 2203 001259 SA C585 C CER CHIP 2203 002709 SNA C586 C CER CHIP 2203 006562 SA C589 C TA CHIP 2404 001381 SA C590 C CER CHIP 2203 002709 SNA C591 C CER CHIP 2203 002709 SNA C592 C TA CHIP 2404 001381 SA C593 C CER CHIP 2203 ...

Page 20: ...6562 SA C648 C CER CHIP 2203 006562 SA C649 C CER CHIP 2203 006562 SA C650 C CER CHIP 2203 006562 SA C651 C CER CHIP 2203 006562 SA C652 C CER CHIP 2203 006562 SA C653 C CER CHIP 2203 006562 SA C654 C CER CHIP 2203 006562 SA C655 C CER CHIP 2203 006562 SA C656 C CER CHIP 2203 006562 SA C657 C CER CHIP 2203 006562 SA C658 C CER CHIP 2203 006562 SA C659 C CER CHIP 2203 006562 SA C660 C CER CHIP 2203...

Page 21: ...SA C806 C CER CHIP 2203 002709 SNA C807 C CER CHIP 2203 002709 SNA C808 C CER CHIP 2203 002709 SNA C809 C CER CHIP 2203 006399 SA C810 C CER CHIP 2203 002709 SNA C811 C CER CHIP 2203 002709 SNA C812 C CER CHIP 2203 000438 SA C814 C CER CHIP 2203 006399 SA C815 C TA CHIP 2404 001381 SA C816 C TA CHIP 2404 001381 SA C817 C TA CHIP 2404 001381 SA C818 C CER CHIP 2203 006048 SA C819 C CER CHIP 2203 00...

Page 22: ...2904 001537 SA F103 FILTER SAW 2904 001540 SA F104 FILTER SAW 2904 001553 SA F701 FILTER EMI ESD 2901 001347 SA F702 FILTER EMI ESD 2901 001347 SA F703 FILTER EMI ESD 2901 001347 SA F704 FILTER EMI SMD 2901 001254 SA F705 FILTER EMI ESD 2901 001396 SA F706 FILTER EMI SMD 2901 001254 SA GSM_ANT NPR ANTENNA CONTACT GH71 04302A SA HDC701 HEADER BOARD TO BOARD 3711 005793 SA IFC701 SOCKET INTERFACE 37...

Page 23: ...CTOR SMD 2703 002782 SA L701 INDUCTOR SMD 2703 002782 SA L800 INDUCTOR SMD 2703 001239 SA L801 BEAD SMD 3301 001342 SA L802 INDUCTOR SMD 2703 002767 SA L804 INDUCTOR SMD 2703 001734 SA L805 INDUCTOR SMD 2703 001949 SA MOD800 W LAN MODULE 4709 001392 SA OSC201 CRYSTAL SMD 2801 003747 SA OSC301 CRYSTAL SMD 2801 003747 SA OSC302 CRYSTAL SMD 2801 004189 SA OSC501 CRYSTAL SMD 2801 004225 SA OSC801 OSCI...

Page 24: ...SA R315 R CHIP 2007 007014 SA R317 R CHIP 2007 001119 SA R318 R CHIP 2007 001119 SA R320 R CHIP 2007 000148 SA R321 R CHIP 2007 007312 SA R322 R CHIP 2007 000162 SA R324 R CHIP 2007 000162 SA R326 R CHIP 2007 000162 SA R330 R CHIP 2007 000162 SA R338 R CHIP 2007 000148 SA R341 R CHIP 2007 000162 SA R403 R CHIP 2007 000148 SA R405 R CHIP 2007 000162 SA R406 R CHIP 2007 000162 SA R407 R CHIP 2007 00...

Page 25: ... SA R608 R CHIP 2007 000168 SA R609 R CHIP 2007 000168 SA R610 R CHIP 2007 000566 SA R612 R CHIP 2007 000144 SA R613 R CHIP 2007 000566 SA R616 R CHIP 2007 000171 SA R617 R CHIP 2007 000148 SA R618 R CHIP 2007 007592 SA R620 R CHIP 2007 000171 SA R621 R CHIP 2007 000171 SA R624 R CHIP 2007 001308 SA R625 R CHIP 2007 000171 SA R626 R CHIP 2007 007334 SA R627 R CHIP 2007 000566 SA R628 R CHIP 2007 0...

Page 26: ...R756 R CHIP 2007 007156 SA R759 R CHIP 2007 000162 SA R760 R CHIP 2007 000162 SA R802 R CHIP 2007 000172 SA R807 R CHIP 2007 000171 SA R808 R CHIP 2007 000171 SA R816 R CHIP 2007 000148 SA R818 R CHIP 2007 001298 SA R820 R CHIP 2007 000148 SA R822 R CHIP 2007 000148 SA R823 R CHIP 2007 000148 SA R833 R CHIP 2007 000148 SA R834 R CHIP 2007 000148 SA R836 R CHIP 2007 000162 SA R841 R CHIP 2007 00014...

Page 27: ...ISTOR NTC 1404 001221 SA TP100 NPR ANTENNA CONTACT GH71 04302A SA TR201 FET SILICON 0505 001518 SA TR301 TR SMALL SIGNAL 0501 002202 SA TR303 TR DIGITAL 0504 000168 SA TR400 FET SILICON 0505 001518 SA TR601 FET SILICON 0505 001376 SA TR603 FET SILICON 0505 001376 SA TR701 FET SILICON 0505 001875 SA TR702 FET SILICON 0505 001518 SA TR703 FET SILICON 0505 001518 SA TR801 FET SILICON 0505 001518 SA T...

Page 28: ...21 IC SWITCH 1205 002767 SA U623 IC CMOS LOGIC 0801 002970 SA U624 IC VOL DETECTOR 1203 002976 SA U701 IC POSI FIXED REG 1203 003340 SA U703 IC MULTI REG 1203 003342 SA U704 IC MULTI REG 1203 003341 SA U712 IC ANALOG SWITCH 1001 001284 SA U714 IC OP AMP 1201 001348 SA U716 IC CMOS LOGIC 0801 002970 SA U717 IC VOL DETECTOR 1203 002716 SA U721 IC ANALOG SWITCH 1001 001231 SA U722 IC ANALOG SWITCH 10...

Page 29: ...TVS 0406 001167 SA ZD705 DIODE TVS 0406 001169 SA ZD708 DIODE TVS 0406 001210 SA ZD709 DIODE ZENER 0403 001547 SA ZD711 DIODE ZENER 0403 001446 SA ZD712 DIODE TVS 0406 001215 SA ZD714 DIODE TVS 0406 001215 SA ZD715 DIODE TVS 0406 001215 SA ZD716 DIODE TVS 0406 001215 SA ZD717 DIODE TVS 0406 001215 SA ZD719 DIODE TVS 0406 001215 SA ZD720 DIODE TVS 0406 001215 SA ZD801 DIODE TVS 0406 001150 SA ZD802...

Page 30: ... PCF50603 Downloading serial CPU 2 4 240x320 LCD PDA Logic FLASH 128MB SDRAM 64MB BACK UP CIRCUIT DPRAM 8KB INTEL BULVERDE PXA270 PDA POWER BLOCK 3X4 KEY B d RECEIVER S W DTH USB SPEAKER MIC TSP CODEC T Flash IO IrDA R C USB OTG Wireless LAN BLUE TOOTH ANT ANT Vibrator UAA3587 EHN VC TCXO 26MHz ANT S W PAM ANT Tx Rx Debugging serial TV Out Ear Jack 2M Pixel Camera PCS Rx SAW DCS Rx SAW GSM Rx SAW ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice 6 PCB Diagrams 6 1 This Document can not be used without Samsung s authorization 6 1 Main PCB Top Diagram ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 6 2 This Document can not be used without Samsung s authorization 6 2 Main PCB Bottom Diagram ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 2 3 This Document can not be used without Samsung s authorization 6 3 SUB PCB Top Diagram ...

Page 34: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 6 4 This Document can not be used without Samsung s authorization 6 4 SUB PCB Bottom Diagram ...

Page 35: ...Part In U604 4pin 3 0V 23pin 1 3V 25pin 1 1V 33pin 1 4v Insert Power NG 2pin in U607 3 4V YES Change Batt Check ZD709 NO 4pin in U620 High YES Check U620 Neighboring Circuits NO Check U620 Neighboring Circuits NO YES 3pin in U604 High YES Check U604 Neighboring Circuits NO 34 35pin IN U604 High YES Check R621 R623 UCP301 Neighboring Circuits NO Check Other Power Circuit ...

Page 36: ... PG3 9 PK 38 PV1 13 PV2 PV3 28 12 PWM3 17 RAMP 19 REF 42 NC NC 43 ON1 35 ON2 21 ON3 34 22 ON45 PG1 36 15 PG2 33 FB3 18 GND GND 41 16 IN 24 IN45 LX1 37 14 LX2 27 LX3 BKBT 2 20 BYP 40 CC1 8 CC2 32 CC3 FB1 1 7 FB2 U604 C619 R601 R612 VCC_BATT VBAT VCC30 L600 C602 C605 VCC30 C620 VCC30 L606 L602 R606 VPLL13 VBAT C629 C622 C610 C609 C611 VCC30 C621 R682 VBAT R681 C608 SYS_EN HARD_RESET nRESET_IN nVCC_F...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 3 This Document can not be used without Samsung s authorization ...

Page 38: ...ng s authorization PHONE Part Phone ON NG 4pin in U407 High YES Check U204 Neighboring Circuits NO 1pin in U407 High YES Check U204 NO Output Powers in U604 OK YES NO 2pin in U407 High NO Check U407 YES 1pin in U404 High Check UME401 Neighboring Circuits NO YES Check U204 Neighboring Circuits Check UCP201 TCX101 Neighboring Circuits ...

Page 39: ...L G2 I O4R E7 VDD E8 I O1R E9 _SFEN F1 VDDQL F10 ODR1 F2 _BUSYL F3 A1L F4 I O5R D9 VSS E1 VSS E10 M _S E2 ODR3 E3 _INTL E4 VSS E5 VSS E6 I O2R D10 ODR2 D2 _BUSYR D3 _INTR D4 A10R D5 A12R D6 I O13R D7 I O8R D8 A2R C3 A6R C4 _LBR C5 IRR1 C6 I O14R C7 I O11R C8 I O7R C9 ODR4 D1 _CER B5 R _WR B6 _OER B7 VDD B8 I O9R B9 A0R C1 VSS C10 A1R C2 I O15R A7 I O12R A8 I O10R A9 A3R B1 I O6R B10 A4R B2 A7R B3 ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 6 This Document can not be used without Samsung s authorization ...

Page 41: ...11 _RSTHC _SIMRSCD 44 7 _SIMRSHC SIMD3VBAT 45 SIMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 VBAT 32 VCHG 29 VINT 30 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 SDA 43 SIMCKCD 8 SIMCKHC 40 53 NC NC 54 26 OSCI 25 OSCO 6 PWREN1 5 PWREN2 28 REFC 23 RF12VBAT RF1VDD 22 46 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 GPO3 34 CHGCUR BA...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 8 This Document can not be used without Samsung s authorization ...

Page 43: ...Sub High Change U200 Sub YES Check LCD Sub B d LCD YES Back Light OK NO YES 4 5pin in U805 High NO YES Check LCD Sub B d Slide FPCB 1pin in U805 12V NO YES Check U805 neighboring circuits Check LCD Sub B d LCD TSP OK NO When touch screen 46pin in UCD501 High NO YES Check LCD Sub B d Slide FPCB LCD Check 1 3 4 6 pin in ZD717 neighboring circuits 2pin in U200 Sub High NO Check LCD Sub B d Slide FPCB...

Page 44: ...14 X TL 16 XTLIN 2 XTLOUT 3 PHONE 20 11 RESETB ROUT2 36 8 SDATAIN 5 SDATAOUT SPKGND 34 38 SPKVDD 10 SYNC 21 MIC1 MIC2 22 MICBIAS 28 33 MONOOUT 58 NC NC 59 37 OUT3 19 PCBEEP 48 GPIO5 SPDIF_OUT HPGND 40 HPOUTL 39 HPOUTR 41 43 HPVDD 23 LINEINL 24 LINEINR 35 LOUT2 GND 54 55 GND GND 56 57 GND GPIO1 44 GPIO2 IRQ 45 GPIO3 PENDOWN 46 47 GPIO4 ADA MASK 9 DCVDD 4 DGND1 7 DGND2 49 GND GND 50 51 GND GND 52 53...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 11 This Document can not be used without Samsung s authorization ...

Page 46: ...sung s authorization 7 3 Audio Working Speaker Working Operate Speaker YES NG 9 13pin in U502 Signal ON Change SPK YES Check R201 Sub LCD Sub B d Slide FPCB NO 4 6 16 18pin in U201 Sub Signal ON 10pin in U502 Low NO NO Check UCD501 Neighboring Circuits NO YES 35 36pin in UCD501 Signal ON Change U502 YES 1 13pin in U201 Sub High NO ...

Page 47: ...R205 C209 C207 C211 VSS 5 VOPR 6 VSS 8 VOMR 4 VSS 2 U201 VIMR 10 VREFR 11 VIPR 12 EN_R 13 VSS 14 R201 L201 V_GND AMP_EN RSPKOUT NC 21 22 NC V 14 4S1 11 13 4S2 16 D1 D2 4 8 D3 12 D4 GND 6 GND 17 1 2IN 2 15 1S1 1S2 1 3 2S1 2S2 5 10 3 4IN 7 3S1 3S2 9 U502 TA512 C502 VAUDIO33 RSPKOUT BT_MIC BT_MIC EAR_RCV EAR_OUT RCVOUT SPK_TEMP RCV_SEL SPK_TEMP SPK_SEL LSPKOUT ...

Page 48: ...hout Samsung s authorization Reciever Working Operate Reciever NG Change RCV NO YES RCV Soldering Pad in LCD Sub B d Signal ON Check UCD501 Neighboring Circuits NO NO 2pin in U502 and 1pin in U504 Low YES 1pin in U502 and 4pin in U504 Signal ON NO Check LCD Sub B d Slide FPCB YES 37 39pin in UCD501 Signal ON Change U502 YES ...

Page 49: ... Samsung s authorization Mic Working Operate MIC NG Check 28pin in UCD501 High NO YES YES Check UCD501 Neighboring Circuits MIC MIC pin in MIC501 Signal ON Check UCD501 Neighboring Circuits NO YES 1 11 pin in U503 Signal ON NO YES 7 8 pin in U503 Low Change U503 Check UCD501 Neighboring Circuits Check ZD506 ZD504 Change MIC NO ...

Page 50: ... C584 2 Y3 4 _ENABLE R532 X0 10 X1 12 13 X2 X3 9 1 Y 15 Y0 Y1 3 Y2 16 17 GND GND 18 19 GND GND 20 5 NC NC 21 22 NC 14 VCC 11 X U503 8 A B 7 6 GND C583 VAUDIO33 R535 C508 C578 R533 R534 VMICBIAS R538 VMICBIAS R537 C582 TA505 RCV_EARCOM EAR_MIC EAR_MIC MIC MIC BT_SPKOUT BT_SPKOUT MICN MICP MIC_SEL2 MIC_SEL1 MIC501 C532 ZD506 C537 ZD504 C538 C536 C535 C531 MIC MIC ...

Page 51: ...cuits NO YES 28pin in UCD501 High YES 9pin in EAR501 High Change PBA NO NO YES NO Change UCD501 Check UCD501 Neighboring Circuits YES 7 8pin in U503 High Check EAR501 Neighboring Circuits MIC NG NO NO Check Ear501 Neighboring Circuits YES 2 3pin in EAR501 Signal ON YES NO YES 1 11pin in U503 Signal ON Check UCD501 U503 Neighboring Circuits SPK NG NO YES 39 41pin in UCD501 Signal ON YES YES 15pin i...

Page 52: ...nt can not be used without Samsung s authorization C539 L506 L507 C521 C522 VTP30 C595 R520 C523 ZD501 C524 ZD502 C517 6 78 C534 ZD503 1 2 3 4 5 L504 R539 VTP30 ZD505 C581 C586 13 G G 14 4 5 6 7 8 9 11 G G 12 EAR501 1 10 2 3 C516 L505 L503 EAR_OUT EAR_OUT EARCOM KEY_INT JACK_INT EAR_MIC EAR_MIC TV_OUT ...

Page 53: ...ing key 3X4 key Camera key NG Application key or Navigation key NG Change Side Key FPCB NO YES NO Break a Side Key FPCB YES NO Check CN804 ZD802 ZD805 KEY Metrix connection circuits Break a LCD Sub B d or Slide FPCB YES Change LCD Sub B d or Slide FPCB YES Check ZD701 ZD704 KEY Metrix connection circuits NO Power key or Lock key NG YES Break a SW601 Change SW601 YES Check SW601 neighboring circuit...

Page 54: ... 3 KBR 2 KBR 4 KBR 0 KBR 1 KBC 0 KBC 1 KBC 2 ZD805 1 2 3 4 5 6 7 8 R858 3 4 5 6 7 8 ZD802 1 2 R836 ZD801 7 8 8 9 9 18 18 19 19 2 2 20 20 3 3 4 4 5 5 6 6 7 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 CN804 1 1 10 R861 VCC30 C849 R859 C848 C852 C850 R860 C851 KBR 2 KBR 1 KBR 0 KBR 4 KBR 3 KBC 5 KBC 3 KBC 6 KBC 4 MLED D605 R680 V_BAT R655 D604 2 2 3 3 4 4 GND 5 6 GND SW601 1 1 KEY_LOCK POWER ...

Page 55: ...oubleshooting 7 21 This Document can not be used without Samsung s authorization 7 5 Vibrator Working Operate Vibrator Change U619 NO YES NG 7pin in U619 High 11pin in U619 High Change Vibrator NO YES Break a Vibrator wire YES Check D603 neighboring circuits NO Change PBA ...

Page 56: ... be used without Samsung s authorization VBAT D603 3 1 2 MOTOR VWLAN30 C658 GND C643 C651 VTV29 VWLAN18 7 VOUT4 18 REF 10 TRIM 9 VDD 3 8 VDD 4 VOUT1 5 VOUT2 6 VOUT3 1 EN2 EN3 1211 EN4 GND 13 14 GND GND 15 16 GND 17 NC NC U616 2 EN1 C661 C644 VBAT C648 C660 C646 L603 L604 VMOTOR33 VTV25 C659 C662 VWLAN_EN PWR_EN ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 23 This Document can not be used without Samsung s authorization ...

Page 58: ...ut Samsung s authorization 7 6 T Flash Card Working Insert T Flash Card Operate T Flash Card Check CN101 Sub D104 it s neighboring circuits NO YES NG 2pin in CN101 Sub Low 2pin in U200 Sub Change CN101 Sub NO YES Break a CN101 Sub YES YES Check CN101 Sub NO Change Sub B d or Slide FPCB 3pin in U200 Sub High NO Change U200 Sub ...

Page 59: ...amsung s authorization VBAT IRDA30 C202 C201 LCD30 CE1 6 CE2 4 5 GND VDD2 1 VOUT1 3 VOUT2 U200 C200 LCD_EN IO 5 NC SIM 34 VCC D104 6 CLOCK 2 GND 1 T_CLK T_DAT0 T_DAT3 T_CMD R103 TP111 TP112 TP110 R102 5 6 6 7 7 8 8 9 NC NC 10 NC 11 12 NC CN101 1 1 2 2 3 3 4 4 5 TP100 TP109 TP104 TP106 TP101 IRDA30 IRDA30 T_DAT3 T_CMD T_CLK T_DAT0 ...

Page 60: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 26 This Document can not be used without Samsung s authorization ...

Page 61: ...ing 7 27 This Document can not be used without Samsung s authorization 7 7 IrDA Working Operate IrDA NG Break a LCD Sub B d Change LCD Sub B d YES Check ZD712 ZD717 SLC701 or Change IDA100 NG Break a Slide FPCB Change Slide FPCB YES NG 6pin in IDA100 Sub High YES Change U200 Sub NG ...

Page 62: ...2 13 13 14 14 1515 SIM_VCC R760 VCC30 VBAT C726 2 1 3 T_DAT0 IRTXD LED_B F706 T_CMD RCVOUT RCVOUT RSPKOUT LSPKOUT SIM_RST SIM_CLK SIM_IO nBATT_FAIL LCD_SI SLED IrDA_SD T_DAT3 LED IRRXD KBC 0 KBC 1 KBC 2 LCD_D 14 AMP_EN LCD_D 12 LCD_D 10 T_CLK LCD_D 8 LCD_D 6 LCD_D 4 LCD_D 2 LCD_D 0 LCD_SCLK LCD_DCLK_ LCD_EN TSPX TSPY LED LCD_CS KBR 0 KBR 1 KBR 4 LCD_D 0 15 LCD_D 1 LCD_D 3 LCD_D 5 LCD_D 7 LCD_D 9 L...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 29 This Document can not be used without Samsung s authorization ...

Page 64: ...without Samsung s authorization 7 8 WLAN Working Operate WLAN NG in U616 7pin 1 8V 6pin 3 0V Check U616 neighboring circuits YES NO Change the Ant NO YES Visual Check the Soldering of WLAN ANt in MOD800 33 35 pin is signaling Check MOD800 neighboring circuits YES NO Break Down of RFS802 YES Change RFS802 NO Change MOD800 ...

Page 65: ...SPI_nCS WLAN_INT BTCX_WL BTCX_PRI BTCX_RXIND SPI_CLK SPI_MISO SPI_MOSI 52 BTCX_RXIND 6 GND 7 VCO_VDD 8 LOCK 9 VDD_D 45 GND 46 GND 47 GND 48 GND 49 BTCX_WL 5 PLL_VDD 50 BTCX_BT 51 BTCX_PRI 38 SD_DAT1 39 SD_DAT0 4 VDD18 40 SD_CLK 41 SD_CMD 42 SD_DAT3 43 LOADSCR1 44 LOADSCR0 30 UART_RX 31 UART_TX 32 SPI_EXT_INT 33 SPI_MISO 34 SPI_CLK 35 SPI_MOSI 36 SPI_SS_N 37 SD_DAT2 23 GND 24 GND 25 GND 26 GND 27 V...

Page 66: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 32 This Document can not be used without Samsung s authorization ...

Page 67: ...ument can not be used without Samsung s authorization 7 9 Bluetooth Working Operate Bluetooth NG 5pin 3 0V in U618 Check U618 neighboring circuits YES NO Change the Ant NO YES Visual Check the Soldering of Bluetooth ANt in U801 5 7 pin is signaling Check U801 neighboring circuits YES NO Change U801 ...

Page 68: ...N 38 37 SPK_P UART_CTS 28 27 PIO_1 32 PIO_10 PIO_11 33 PIO_2 26 24 PIO_3 PIO_4 17 2 PIO_5 PIO_9 GND 35 34 MIC_N MIC_P 36 PCM_CLK 13 PCM_IN 14 8 PCM_OUT 15 PCM_SYNC PIO_0 1 AIO_0 AIO_1 3 30 ANT GND 61 6 GND GND 2529 GND U801 C856 C800 C819 C821 C855 C818 C810 C811 C802 1 2 ANT801 C801 R816 R823 BT_SPKOUT BTCX_PRI BTCX_RXIND BTCX_WL BT_SPKOUT BT_TX BT_RX BT_MIC BT_MIC VBT30 R658 VBAT33 C652 3 EN1 EN...

Page 69: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 35 This Document can not be used without Samsung s authorization ...

Page 70: ...center freq 67 7kHz Amp 50dBm Check U101 pin2 pin4 pin8 L U101 pin5 65dBm F101 pin1 67dBm U102 pin7 8 9 10 1V U102 pin29 70dBm pin30 70dBm Check ANT Switch control circuit Resolder U101 Resolder F101 C107 L107 Resolder L125 L126 L106 Check U102 pin 23 26 31 2 7V Check Resolder U102 R107 R108 RF26MHz RF PSU Part Resolder U102 R117 R118 R119 R120 1V Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No ...

Page 71: ...10 20dBm PAM101 pin16 20dBm U102 pin38 11dBm PAM101 pin12 15dBm Change or Resolder U101 Check ANT Switch control circuit Resolder C130 C133 L118 Resolder R109 R110 R111 F104 L124 C149 U102 pin7 8 9 10 1V Yes Check PAM101 VBAT pin2 3 13 14 OK Resolder or Change PAM101 Check VBAT or PAM control signal Check Resolder U102 R107 R108 RF26MHz RF PSU Part Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No...

Page 72: ...ter freq 67 7kHz Amp 50dBm Check U101 pin2 pin4 pin8 L U101 pin1 65dBm F103 pin1 67dBm U102 pin7 8 9 10 1V U102 pin35 70dBm pin36 70dBm Check ANT Switch control circuit Resolder U101 Resolder F103 C121 L113 Resolder L127 L128 L112 Check U102 pin23 26 31 2 7V Check Resolder U102 R107 R108 RF26MHz RF PSU Part Resolder U102 R117 R118 R119 R120 1V Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No END ...

Page 73: ...9 20dBm PAM101 pin18 20dBm U102 pin2 11dBm PAM101 pin5 15dBm Change or Resolder U101 Check ANT Switch control circuit Resolder C139 L119 C145 Resolder R112 R114 R115 C136 L117 C151 U102 pin7 8 9 10 1V Yes Check PAM101 VBAT pin2 3 13 14 OK Resolder or Change PAM101 Check VBAT or PAM control signal Check U102 pin23 26 31 2 7V Check Resolder U102 R107 R108 RF26MHz RF PSU Part Yes Yes Yes Yes Yes Yes ...

Page 74: ...er freq 67 7kHz Amp 50dBm Check U101 pin2 H pin4 pin8 L U101 pin3 65dBm F102 pin1 67dBm U102 pin7 8 9 10 1V U102 pin32 70dBm pin33 70dBm Check ANT Switch control circuit Resolder U101 Resolder F102 C117 L111 Resolder L108 L109 L110 Check U102 pin23 26 31 2 7V Check Resolder U102 R107 R108 RF26MHz RF PSU Part Resolder U102 R117 R118 R119 R120 1V Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No END...

Page 75: ...9 20dBm PAM101 pin18 20dBm U102 pin2 11dBm PAM101 pin5 15dBm Change or Resolder U101 Check ANT Switch control circuit Resolder C139 L119 C145 Resolder R112 R114 R115 C136 L117 C151 U102 pin7 8 9 10 1V Yes Check PAM101 VBAT pin2 3 13 14 OK Resolder or Change PAM101 Check VBAT or PAM control signal Check U102 pin23 26 31 2 7V Check Resolder U102 R107 R108 RF26MHz RF PSU Part Yes Yes Yes Yes Yes Yes ...

Page 76: ...ND2 4 IN 1 OUT 3 R114 EGSMRX EGSMTX 10 6 G PCSRX 3 2 VC1 VC2 4 8 VC3 U101 ANT 7 1 DCSRX DCS PCSTX 9 5 C145 VCCIF VCCRF 31 VCCRFLO 28 VCCSYN 23 VDDL 16 17 QA 10 QB 9 REFIN 21 REFVCC 19 25 RFTUNE 32 SWBIA 33 SWBIB 40 SWON 39 TXVCC VCCCP 26 11 35 HBIA 36 HBIB HBO 2 8 IA 7 IB LBIA 29 30 LBIB 38 LBO 45 NC1 NC2 46 PGMDIV FESW3 41 GND1 GND2 42 43 GND3 GND4 44 15 GNDL 22 GNDREF 34 GNDRF1 1 GNDRF3 GNDRF4 3...

Page 77: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 43 This Document can not be used without Samsung s authorization ...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 7 44 This Document can not be used without Samsung s authorization ...

Page 79: ...Be careful about the damage of the connector 2 Take care FPCB that tear at FPCB decomposition 1 Be careful not to be scratched framework when you dismantle 1 Be careful not to be scratched framework when you dismantle 2 3 4 5 6 1 After unscrew Disjoint REAR and FRONT 1 1 Remove the GASKET CONNECTOR TAPE with tweezers 1 Open the actuator 2 Pull out the FPCB carefully 1 Remove the key pad 2 Unscrew ...

Page 80: ...he warp of the board or damage of component 8 9 10 1 Remove conductivity TAPE for FPCB fixing with tweezers 2 Open the actuator 3 Disjoint the LCD FPCB from the LCD main connector 7 1 Separate SLIDE UPPER and SUB BOARD ASS Y 1 Remove LCD FPCB CONTACT TAPE with tweezers 2 Open the actuator and Disjoint the LCD FPCB from the LCD connector 3 When you use tweezers be careful a damage of component 1 Se...

Page 81: ...olarity 1 Solder the SPEAKER WIRE in polarity with picture 1 Remove the white paper on the back of SUB B D 2 Insert the LCD FPCB to the CONNECTOR 3 Check SILK line 1 Combine LCD and PBA ASS Y homogizing 3points hole 2 Attach insulation TAPE on connector with tweezers 3 Attach white two faces TAPE 1 Attach SPEAKER according to SUB BOARD s base line after remove SPEAKER white paper 2 SPEAKER WIRE av...

Page 82: ...er paper with tweezers Insert FPCB to connector 2 SILK line agreement confirm certainly 1 Attach insulation TAPE on connector with tweezers 2 When folded FPCB Confirm whether become side by side with base line Confirm whether become side by side with base line 7 1 Screw 4 points marked in red circle 1 After insert FPCB to FRONT s FPCB HOLE Put the FRONT on slide 2 After screw 6 points sequentially...

Page 83: ...easonable force at work badness that locker of upper direction is broken happens 1 Confirm SET s assembly condition and whether there is GAP in assembly department side 20 21 22 1 Attach insulation TAPE on connector via silk line using tweezers 2 Attach GASKET TAPE on insulation TAPE 1 Put Main PBA on FRONT 2 Put MOTOR in FRONT MOTOR HOLE and put WIRELESS LAN BT ANT into each FRONT GROOVE 1 Combin...

Page 84: ...on base line remove the white paper Notice When attach lower SILK line has to be seen 1 Attach insulation TAPE on connector via PCB right side 2 Rub by top and bottom right and left so that can attach perfectly Notice That do not swerve 1 Slide FPCB inserts to connector When insert PCB s SILK line should be certainly conformable with FPCB s SILK 2 After SLIK line agreement confirmation Presses equ...

Page 85: ...A 32 X 16 X T0 1 Gold 1 5 6 8 7 1 Insert slide that FPCB silk screen BTOB is seen when we insert FPCB must be FPCB silk and PCB silk at one 2 After check silks FPCB silk and PCB silk that be at one Actuator down Notice You must check silks FPCB silk and PCB silk that be at one 1 Attach insulation TAPE on connector via SILK line Notice That do not swerve 1 Attach GASKET CONNECTOR TAPE depending on ...

Page 86: ...Exploded and assembling View This Document can not be used without Samsung s authorization SAMSUNG Proprietary Contents may change Without notice 8 8 ...

Page 87: ...Co Ltd May 2006 Printed in Korea Code No GH68 11275A 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 ⓒ ...

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