Samsung SGH-I750 manual

GSM TELEPHONE SGH-i750 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[...]

SAMSUNG Proprietary-Contents may change without notice 1. Specification This Document can not be used with out Samsung's authorizat ion 1-1 PCS1900 1850~1910 1930~1990 512~810 80MHz 270.833kbps 3.692us 576.9us 4.615ms 0.3GMSK 30dBm~0dBm 0pcl ~ 15pcl -100dBm 8 - GSM900 Phase 1 EGSM 900 Phase 2 DCS1800 Phase 1 Freq. Band[MHz] Uplink/Downlink 890[...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion Specificat ion 1-2 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 10 10±4 dBm 11 8±4dBm 12 6±4 dBm 13 4±4 dBm 14 2±5 [...]

SAMSUNG Proprietary-Contents may change without notice 2. Circuit Description This Document can not be used with out Samsung's authorizat ion 2-1 2-1. SGH-i750 RF Circuit Description 2-1-1. ANTENNA SWITCH (U 101:LMG003S-5091A) → Switching Tx, Rx path f or EGSM900, DCS18 00 and PCS1900 by logic cont rolling. <T r u t hT a b l e> 2-1-2. [...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion Circuit Description 2-2 2-1-4. Power Amplifier Module (PAM101:BGY290E) This chip is a GSM/EDGE compl iant quad band P ower amplifier module (PAM) w ith integrated pow er control loop (PCL). The GSM (GMSK) line up is sim ilar t[...]

SAMSUNG Proprietary-Contents may change without notice Circuit Description This Document can not be used with out Samsung's authorizat ion 2-3 A 32.768 kHz crystal oscilla tor which provides an a ccurate low clock frequency for the PCF 50603 and external circ uitry. For the POW ER ON, the PHONE_ON pulse signal(logic al low) for 200ms from PDA [...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion Circuit Description 2-4 In the Wrting process, WEn is fallen to low and it enables writing process to operate. Du ring reading process, OEn is fallen to low and it enables read ing process to operate. Each chi p select signals[...]

SAMSUNG Proprietary-Contents may change without notice Circuit Description This Document can not be used with out Samsung's authorizat ion 2-5 VBAT33 via U618(XC6401EE2 7DR) which is a backup battery charging voltage, VMICBAIS via UCD501(WM9712LEFL) which i s a MIC vias v oltage, VCAM15,VCAM-8,VCAM30,VCAM18 via U703 (BD6020GU) which is a Camer[...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion Circuit Description 2-6 DPRAM Memory(UME401:7 0P248L55) 4Kx16bit dual port RAM ● It is accessed by Phone and PDA, but not accesse d simultaneously. ● Generally, I nstructio ns and data used by Phone and PDA ar e stored. ?[...]

SAMSUNG Proprietary-Contents may change without notice Circuit Description This Document can not be used with out Samsung's authorizat ion 2-7 Module(MOD800:LBWA1UDBD7-093) The Wi-Fi Module wh ich uses Philips Chip is m anufactur ed by MuRata. I t only suppor ts 802.11b Specification and communicates with CPU through SPI Interface. The data th[...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion Circuit Description 2-8 IrDA(HSDL-3002) IrDA Data Complian t 115.2kbit/ s with Remot e Control Tra nsmission Inf rared Tran sceiver. A small form factor single enhanced infrared tra nsceiver module that provides the combi nati[...]

SAMSUNG Proprietary-Contents may change without notice 3. Exploded View and Parts List 3-1 This Document ca n not be used wi thout Samsun g's author ization 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 Q[...]

SAMSUNG Proprietary-Contents may change without notice Exploded v iew and Part Li st 3-2 This Document ca n not be used wi thout Samsun g's author ization 3-2. Parts List Location No Descripti on SEC CODE QAN02 　 INTENNA-SGHI750 GH42-00619A QAN03 　 INTENNA-CHIP INTENNA GH42-00621A QAN04 　 INTENNA-CHIP INTENNA GH42-00622A QAN06 　 MEC-RU[...]

SAMSUNG Proprietary-Contents may change without notice Exploded view an d Part List 3-3 This Document ca n not be used wi thout Samsun g's author ization Description SEC CODE BAG PE 6902-000634 CBF INTERFACE-AV CABL E GH39-00410A CBF INTERFACE-PC DA TA LINK CAB GH39-00567A CHARGER-BLK DTC GH44-01153A CHARGER-SGHI750 TC GH44-01193A S/W CD-USER [...]

SAMSUNG Proprietary-Contents may change without notice Exploded v iew and Part Li st 3-4 This Document ca n not be used wi thout Samsun g's author ization 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 JI[...]

SAMSUNG Proprietary-Contents may change without notice 4. Electrical Parts List 4-1 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS BTC601 HEADER-BATTERY 3711-005897 SA C100 C-CER,CHIP 2203-000233 SA C104 C-CER,CHIP 2203-000233 SA C107 C-CER,CHIP 2203-000425 SA C111 C-CER,CHIP 2203-0002[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-2 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C220 C-CER,CHIP 2203-006048 SA C221 C-CER,CHIP 2203-006626 SA C222 C-CER,CHIP 2203-006048 SA C223 C-CER,CHIP 2203-000278 SA C224 C-CER,CHIP 2203-006257 SA C2[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-3 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C326 C-CER,CHIP 2203-006423 SA C327 C-CER,CHIP 2203-006423 SA C328 C-CER,CHIP 2203-006423 SA C329 C-CER,CHIP 2203-006423 SA C330 C-CER,CHIP 2203-006423 SA C3[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-4 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C537 C-CER,CHIP 2203-000812 SA C538 C-CER,CHIP 2203-000812 SA C539 C-CER,CHIP 2203-000585 SA C543 C-CER,CHIP 2203-002709 SNA C549 C-CER,CHIP 2203-006562 SA C[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-5 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C620 C-CER,CHIP 2203-000138 SA C621 C-CER,CHIP 2203-006048 SA C622 C-CER,CHIP 2203-000254 SA C625 C-CER,CHIP 2203-006562 SA C627 C-CER,CHIP 2203-006562 SA C6[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-6 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C719 C-CER,CHIP 2203-006824 SA C720 C-CER,CHIP 2203-006348 SA C721 C-CER,CHIP 2203-002709 SNA C725 C-CER,CHIP 2203-002709 SNA C726 C-CER,CHIP 2203-006048 SA [...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-7 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS C844 C-CER,CHIP 2203-006048 SA C853 C-CER,CHIP 2203-000812 SA C855 C-CER,CHIP 2203-000278 SA C856 C-CER,CHIP 2203-000278 SA CN603 SWITCH-DETECTOR 3409-001189[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-8 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SE C Code STATUS L127 INDUCTOR-SMD 2703-001749 SA L128 INDUCTOR-SMD 2703-001749 SA L202 INDUCTOR-SMD 2703-002775 SA L401 BEAD-SMD 3301-001336 SA L501 BEAD-SMD 3301-001438 SA [...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-9 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS R205 R-CHIP 2007-000162 SA R206 R-CHIP 2007-000162 SA R212 R-CHIP 2007-000171 SA R214 R-CHIP 2007-000162 SA R216 R-CHIP 2007-007573 SA R217 R-CHIP 2007-008354[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-10 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS R431 R-CHIP 2007-000162 SA R433 R-CHIP 2007-000171 SA R516 R-CHIP 2007-007318 SA R520 R-CHIP 2007-001339 SA R531 R-CHIP 2007-001308 SA R532 R-CHIP 2007-00279[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-11 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS R705 R-CHIP 2007-007192 SA R707 R-CHIP 2007-000162 SA R708 R-CHIP 2007-000162 SA R715 R-CHIP 2007-007528 SA R716 R-CHIP 2007-007528 SA R719 R-CHIP 2007-00014[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-12 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS TA505 C-TA,CHIP 2404-001402 SA TA507 C-TA,CHIP 2404-001381 SA TA508 C-TA,CHIP 2404-001381 SA TA510 C-TA,CHIP 2404-001381 SA TA511 C-TA,CHIP 2404-001402 SA TA[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-13 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS U408 IC-CMOS LOGIC 0801-002529 SA U409 IC-CMOS LOGIC 0801-002294 SA U502 IC-ANALOG MULT IPLEX 1001-001306 SA U503 IC-ANALOG SWITCH 1001-001343 SA U504 IC-ANA[...]

SAMSUNG Proprietary-Contents may change without notice Electrical Par ts List 4-14 This Document ca n not be used wi thout Samsun g's author ization Ddsign LOC Discription SEC Code STATUS ZD506 DIODE-TVS 0406-001150 SA ZD601 DIODE-TVS 0406-001150 SA ZD701 DIODE-TVS 0406-001169 SA ZD704 DIODE-TVS 0406-001167 SA ZD705 DIODE-TVS 0406-001169 SA ZD[...]

SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorizat ion 5. Block Diagrams 5-1 PHONE RF PCF 5213 NOR FLASH 256Mb + ScRAM 64Mb PHONE Logic PHONE POWER IC PCF50603 Downloading(s erial) CPU 2.4" 240x320 LCD PDA Logic FLASH 128MB SDRAM 64MB BACK-UP CIRCUIT DPRAM 8KB INTEL BULVERDE [...]

SAMSUNG Proprietary-Contents may change without notice 6. PCB Diagrams 6-1 This Document ca n not be used wi thout Samsun g's author ization 6-1. Main PCB Top Diagram[...]

SAMSUNG Proprietary-Contents may change without notice PCB Diagrams 6-2 This Document ca n not be used wi thout Samsun g's author ization 6-2. Main PCB Bottom Diagram[...]

SAMSUNG Proprietary-Contents may change without notice PCB Diagrams 2-3 This Document ca n not be used wi thout Samsun g's author ization 6-3. SUB PCB Top Diagram[...]

SAMSUNG Proprietary-Contents may change without notice PCB Diagrams 6-4 This Document ca n not be used wi thout Samsun g's author ization 6-4. SUB PCB Bottom Diagram[...]

SAMSUNG Proprietary-Contents may change without notice 7. Flow Chart of TroubleShooting 7-1 This Document ca n not be used wi thout Samsun g's author ization 7-1. Power On PDA Part In U604 4pin = 3.0V , 23pin = 1.3V 25pin = 1.1V , 33pin = 1.4v Insert Power NG 2pin in U607 >3 . 4 V YES Change Batt. & Check ZD70 9 NO 4pin in U620 =H i g h[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-2 This Document ca n not be used wi thout Samsun g's author ization L605 R627 R610 TA606 R628 C612 C632 C634 R613 R671 C607 VBAT R672 R630 C616 VCORE14 C606 R616 VCC_BATT R674 C633 R673 C635 VCC_BATT VSRAM11 R631 VCC30 V 7 3 3 1 _MR _ R S [...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-3 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-4 This Document ca n not be used wi thout Samsun g's author ization PHONE Part Phone ON NG 4pin in U407 =H i g h YES Check U204 Neighbori ng Circuits NO 1pin in U407 =H i g h YES Check U204 NO Output Pow ers in U604 OK? YES NO 2pin in U407[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-5 This Document ca n not be used wi thout Samsun g's author ization R434 3 1 2 5 4 C416 U407 R433 +VDD_IO_LOW PMU_RSTON RSTON nPCF5213_RST U404 2 GND 1 INA 3 INB 4 OUTY VCC 5 VCC30 nINT_PCF5213 PHONE_ACTIVE nINT_DPRAM VDPRAM30 R412 R411 C4[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-6 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-7 This Document ca n not be used wi thout Samsun g's author ization GND 2 OUT 3 4 VCC 1 V C O N TCX101 R106 C123 R108 C152 C127 R107 R104 C116 V C C R F L O 2 8 V C C S Y N 2 3 VDDL 1 6 1 7 R E F I N 2 1 REFVCC 1 9 2 5 R F T U N E V C C C [...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-8 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-9 This Document ca n not be used wi thout Samsun g's author ization 7-2. LCD Wor king Insert Power NG LCD Display OK? NO YES NO NO 6pin in U200(Sub) =H i g h ? Change U200(Sub) YES Check LCD Sub B'd & LCD YES Back Light OK? NO YES[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-10 This Document ca n not be used wi thout Samsun g's author ization VB AT IR DA 30 C 202 C 201 LC D3 0 CE 1 6 CE 2 4 5 GN D VD D2 1 VO UT 1 3 VO UT 2 U 200 C 200 LC D_E N 1 3 CH2 CH3 4 CH4 5 CH5 6 VN 2 ZD717 CH1 IrDA_SD TSPX TSPY TSMY TSM[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-11 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-12 This Document ca n not be used wi thout Samsun g's author ization 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[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-13 This Document ca n not be used wi thout Samsun g's author ization R 202 R 205 C 209 C 207 C 211 VS S 5 VO PR 6 VS S 8 VO MR 4 VS S 2 U 201 VI MR 10 VR EF R 11 VI PR 12 EN _R 13 VS S 14 R 201 L 201 V_ GN D AM P_ EN RS PK OU T NC 21 22 NC[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-14 This Document ca n not be used wi thout Samsun g's author ization 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 1pi[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-15 This Document ca n not be used wi thout Samsun g's author ization Mic Working Operate MIC NG Check 28pin in UCD 501 = High? NO YES YES Check UCD501 & Neighboring Circuits MIC+, MIC- pin in MIC501 Signal ON? Check UCD501 & Neighb[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-16 This Document ca n not be used wi thout Samsun g's author ization R516 R536 C584 2 Y3 4 _ENABLE R532 X0 10 X1 12 13 X 2 X3 9 1 Y 15 Y 0 Y1 3 Y 2 16 17 G N D G N D 18 19 G N D G N D 20 5 N C NC 21 22 NC 14 V C C 11 X U503 8 A B 7 6 G N D[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-17 This Document ca n not be used wi thout Samsun g's author ization Hands-Free Stereo Headset Working Hands-Free Stereo Headset NO YES SPK , MIC & Button All NG? Change PBA Button NG? Check Ear501 & Neighboring Circuits NO YES 28p[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-18 This Document ca n not be used wi thout Samsun g's author ization C539 L506 L507 C521 C522 VTP30 C595 R520 C523 ZD501 C524 ZD502 C517 6 78 C534 Z D 5 0 3 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[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-19 This Document ca n not be used wi thout Samsun g's author ization 7-4. KEY Working Press KEY NG Volume key , Voice Recoding key , 3X4 key, Camera key NG? Application key or Navigation key NG? Change Side Key FPCB NO YES NO Break a Side [...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-20 This Document ca n not be used wi thout Samsun g's author ization 3 4 5 6 2 3 4 5 6 ZD701 1 2 ZD704 1 KBR(3) KBR(2) KBR(4) KBR(0) KBR(1) KBC(0) KBC(1) KBC(2) ZD805 1 2 3 4 5 6 7 8 R 8 5 8 3 4 5 6 7 8 ZD802 1 2 R 8 3 6 ZD801 7 8 8 9 9 18[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-21 This Document ca n not be used wi thout Samsun g's author ization 7-5. Vibrator Working Operate Vibrator Change U619 NO YES NG 7pin in U619 =H i g h 11pin in U 619 =H i g h Change Vibrator NO YES Break a Vibrator wire YES Check D603 &am[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-22 This Document ca n not be used wi thout Samsun g's author ization VBAT D603 3 1 2 MOTOR VWLAN30 C658 GND C643 C651 VTV29 VWLAN18 7 VOUT4 18 R E F 10 TRIM 9 VDD 3 8 VDD 4 V O U T 1 5 V O U T 2 6 V O U T 3 1 EN2 E N 3 12 11 E N 4 G N D 13[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-23 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-24 This Document ca n not be used wi thout Samsun g's author ization 7-6. T-Flash Card Wo rking Insert T-Flash Card & Operate T-Fla sh Card Check CN101(Sub) &D 1 0 4 it's neighboring circuits NO YES NG 2pin in CN101(Sub) =L o [...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-25 This Document ca n not be used wi thout Samsun g's author ization VB AT IR DA 30 C 202 C 201 LC D3 0 CE 1 6 CE 2 4 5 GN D VD D2 1 VO UT 1 3 VO UT 2 U 200 C 200 LC D_E N IO 5 NC SI M 34 VC C D 104 6 CL OC K 2 GN D 1 T_ CL K T _DA T0 T _D[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-26 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-27 This Document ca n not be used wi thout Samsun g's author ization 7-7. IrDA Working Operate IrDA NG Break a LCD Sub B'd Change LCD Sub B'd YES Check ZD712 , ZD717 & SLC 701 or Change IDA100 NG Break a Slide FPCB Change Sli[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-28 This Document ca n not be used wi thout Samsun g's author ization R732 R759 Z D 7 0 8 BATT_BACKUP C739 F704 2 13 7 8 8 9 9 59 6 6 60 60 61 61 62 62 63 63 64 64 65 65 7 51 52 52 53 53 54 54 55 55 56 56 57 57 58 58 59 44 45 45 46 46 47 47[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-29 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-30 This Document ca n not be used wi thout Samsun g's author ization 7-8. WLAN Working Operate WLAN NG in U616 7pin = 1.8 V 6pin = 3.0V ? Check U616 & neighboring circ uits YES NO Change the Ant. NO YES Visual Check the Soldering of WL[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-31 This Document ca n not be used wi thout Samsun g's author ization 52 BTCX_RXIND 6 G N D 7 VCO_VDD 8 LOCK 9 VDD_D 4 5 G N D 4 6 G N D 4 7 G N D 4 8 G N D 49 BTCX_WL 5 PLL_VDD 50 BTCX_BT 51 BTCX_PRI 38 SD_DAT1 39 SD_DAT0 4 VDD18 40 SD_CLK[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-32 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-33 This Document ca n not be used wi thout Samsun g's author ization 7-9. Bluetooth Working Operate Bluetooth NG 5pin = 3.0 V in U618? Check U618 & neighboring circ uits YES NO Change the Ant. NO YES Visual Check the Soldering of Bluet[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-34 This Document ca n not be used wi thout Samsun g's author ization VBT30 C853 R822 7 5 UART_RTS UART_RX 12 UART_TX 11 9 USB_DN USB_DP 10 VDD_IN 20 VDD_RF 4 31 18 RESET 19 SPI_CLK 22 SPI_CSB SPI_MISO 21 SPI_MOSI 23 SPK_N 38 37 SPK_P UART_[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-35 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-36 This Document ca n not be used wi thout Samsun g's author ization 7-10. GSM Receiver U101 Pin7 >= -65dBm Resolder RFS101, C104, L123 END No Yes RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm Check U101 pin2,pin4,pin8 = L U10[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-37 This Document ca n not be used wi thout Samsun g's author ization 7-11. GSM Transmitter U101 Pin7 < 18dBm Resolder RFS101, C104, L123 TX ON (5Level) Check U101 pin4 = H (2.68V), pin2,8 = L U101 pin10 < 20dBm PAM101 pin16 < 20dB[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-38 This Document ca n not be used wi thout Samsun g's author ization 7-12. DCS Receiver U101 Pin7 >= -65dBm Resolder RFS101, C104, L123 No Yes RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm Check U101 pin2, pi n4, pin 8 = L U10[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-39 This Document ca n not be used wi thout Samsun g's author ization 7-13. DCS Transmitter U101 Pin7 < 18dBm Resolder RFS101, C104, L123 TX ON (0Level) Check U101 pin2, pin4 = L, pin8 = H U101 pin9 <20dBm PAM101 pin18 < 20dBm U102[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-40 This Document ca n not be used wi thout Samsun g's author ization 7-14. PCS Receiver U101 Pin7 >= -65dBm Resolder RFS101, C104, L123 No Yes RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm Check U101 pin2 = H, pin4, pin8 = L U[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-41 This Document ca n not be used wi thout Samsun g's author ization 7-15. PCS Transmitter U101 Pin7 < 18dBm Resolder RFS101, C104, L123 TX ON (0Level) Check U101 pin2, pin8 = H, pin4 = L U101 pin9 <20dBm PAM101 pin18 < 20dBm U102[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-42 This Document ca n not be used wi thout Samsun g's author ization C134 GND 2 OUT 3 4 VCC 1 V C O N R109 TCX101 C132 R116 C140 R106 C133 L119 L125 HOLE5 L128 R120 IN 4 OUT L112 RFS101 MOB-140 G1 1 G2 2 3 C124 C151 C148 C123 3 OUT 4 OUT R[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-43 This Document ca n not be used wi thout Samsun g's author ization[...]

SAMSUNG Proprietary-Contents may change without notice F l o wC h a r to fT r o u b l e s h o o t i n g 7-44 This Document ca n not be used wi thout Samsun g's author ization[...]

8. Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-1                 ?[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-2                 ?[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-3            2) Bond the soldered part to[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-4  SILK line agre ement confir m certainly.            ?[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-5 1) Press equally TAPE. 1) Fix so that there may not be MAIN PBA mov e. 2) Confirm whether POWE R KEY was put properly. 1) If inflict unreasona ble force at work, badne ss that locker of upper [...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-6 names of goods CODE Specification quantity TAPE CONNECTOR GH74-20587 A 5 X 19 X T0.3 (Black)         names of goods CODE Specification quantity TAPE CONN B GH74-2058[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-7 names of goods CODE Specification quantity TAPE CONNECTER GH74-20587 A 5 X 19 X T0.3 (Black) 1        names of goods CODE Specification quantity names of goods CODE Spe[...]

Exploded and assembling View This Document can not be used without Samsung's auth orization SAMSUNG Proprietary- Conten ts may change Without notice 8-8[...]

Samsung El ectronics Co.,Ltd. May. 2006 Printed in Korea. Code No.: GH68- 11275A BASIC. This Service Manu al is a propert y of Samsung Elect ronics Co.,Ltd . Any unauthoriz ed use of Manual ca n be punished under app licable Internati onal and/o r domestic law. ⓒ[...]