Samsung SGH-i320 Service Manual Download Page 76

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SAMSUNG Proprietary-Contents may change without notice

Flow Chart of Troubleshooting and Circuit Diagrams

10-27

This Document can not be used without Samsung's authorization

10-2-5. DCS, PCS Transmitter

Continuous TX on

CONDITION

CH:698CH(DCS)

CH:660CH(PCS)

TX POWER CODE :

350CODE APPLIED

RBW : 100KHz

VBW : 100KHz

SPAN : 10MHz REF

LEV : 10dBm ATT :

20dB

U903 pin

35:26MHz?

Vp-p:860mV

UCD701 pinA13,C735

change or resolder

TA902:3.7V

UCD701

check

or change

Yes

F901

pin2=2.8V?

TCX901 check

or resolder

UCD701 pin

A13,C735

change or

resolder

U903 change

or resolder

U903 change

or resolder

UCD701

change

or resolder

PAM901

change

or resolder

TCX901

Pin4:3V?

U903

pin 32,33

=3V?

TCX901

pin3 : 26MHz?

Vp-p:1V

U903

pin25,26,27,28

=1.7V?

U903

pin1,8,31,36,41

32=2.8V?

F901 check

or change

Between

F901,PAM901

1.2V?

F901 check

or change

Battery,UCD701

check or change

Between

F901,C924

≒

4~5dBm?

RFS901,C933,

L901

check or change

UCD701 check

or change

F901 pin10

about 2-3dBm?

Yes

Summary of Contents for SGH-i320

Page 1: ...y Precautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View and Parts list 6 Disassembly and Assembly instructions 7 MAIN Electrical Parts List 8 Block Diagrams 9 PCB Diagrams 10 Flow Chart of Troubleshooting 11 Reference data ...

Page 2: ...l 2 2 3 Product Function 4 Array course control 4 1 Downloading Binary Files 4 2 4 2 Pre requsite for Downloading 4 2 4 3 S W Downloader Program 4 3 5 Exploded View and Parts list 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Parts list 5 6 6 Disassembly and Assembly instructions 6 1 Disassembly 6 1 6 2 Assembly 6 4 7 MAIN Electrical Parts List 8 Block Diagrams 9 PCB Diagrams ...

Page 3: ... 3 SIM Part 10 6 10 1 4 Microphone Part 10 7 10 1 5 Speaker Part_1 MP3 SPEAKER PHONE 10 8 10 1 6 Speaker Part_2 RECEIVER 10 10 10 1 7 Charging Part 10 11 10 2 RF 10 13 10 2 1 EGSM RX 10 13 10 2 2 DCS RX 10 15 10 2 3 PCS RX 10 16 10 2 4 EGSM TX 10 17 10 2 5 DCS TX 10 18 10 2 6 PCS TX 10 19 11 Reference data ...

Page 4: ...orn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small an...

Page 5: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Page 6: ...1850 1910 1930 1990 ARFCN range 0 124 975 1023 512 885 512 810 Tx Rx spacing 45 MHz 95 MHz 80 MHz Mod Bit rate Bit Period 270 833 kbps 3 692 us 270 833 kbps 3 692 us 270 833 kbps 3 692 us Time Slot Period Frame Period 576 9 us 4 615 ms 576 9 us 4 615 ms 576 9 us 4 615 ms Modulation 0 3 GMSK 0 3 GMSK 0 3 GMSK MS Power 33 dBm 5 dBm 30 dBm 0 dBm 30 dBm 0 dBm Power Class 5 pcl 19 pcl 0 pcl 15 pcl 0 pc...

Page 7: ... dBm 14 15 2 dBm 15 13 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 4 dBm 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 ...

Page 8: ...ion 3 1 This Document can not be used without Samsung s authorization Main Function Camera and camcorder Image editor MP3 player Phonebook Name card Multimedia Message Service MMS E mail Voice recorder Bluetooth Get personal with photo caller ID Web browser Java Calendar ...

Page 9: ...G Proprietary Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization Test Jig GH80 03311A Test Cable GH39 00582A RF Test Cable GH39 00397A ...

Page 10: ...s Document can not be used without Samsung s authorization Software Downloading 4 1 Downloading Binary Files binary file for downloading I320 I320XXYY s3 Main source code binary 4 2 Pre requsite for Downloading Downloader Program OptiFlash exe I320 Mobile Phone Data Cable Binary file ...

Page 11: ...ithout Samsung s authorization 4 3 S W Downloader Program 1 Load the binary download program by executing the OptiFlash exe 2 Select the Options Settings Generic Specify hardware platform Choose hardware platform for the downloader file setting Set the everything else as the default values which are shown below ...

Page 12: ...ation 3 Select the COM port when the download cable is connected Up to twelve ports are supported Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone However OptiFlash will use a slower speed if either the PC s or the phone s serial hardware is incapable of handling the selected speed ...

Page 13: ...orization 4 Select the Flash Verify Browse Set the directory path and choose the latest s w binary for example I320XXYY s3 for the downloader binary setting 5 Click OK button then press Flash Make sure that not to change the reserved memory regions In case of I320 the reserved regions are 0x20000000 0x2000ffff 0x21fe0000 0x21ffffff ...

Page 14: ...ush the button and END at the same time Then press Flash Downloader will upload the binary file as below for the downloading 6 When downloading is finished successfully there is a All is well message 7 After finishing downloading Certain memory resets should be done to guarantee the normal performance 8 Confirm the downloaded version name and etc 1234 Full Reset 2767 2878 ...

Page 15: ...List 5 1 This Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QCK01 QRF03 QIF01 QKP01 QME01 QMI03 QCA01 QMP01 QVO01 QLC01 QKP02 QCR12 QMO01 QCR32 QAR01 QSP02 QCR04 QAN02 QBR05 QAN10 QRE01 QCR12 QCR04 QBA01 QBA00 QRF01 QSH01 QFR01 QMI01 QMW02 ...

Page 16: ...HINE 6001 001479 QCR12 SCREW MACHINE 6001 001530 QCR32 SCREW MACHINE 6001 001700 QKP01 MEC KEYPAD MAIN OPEN BLK GH75 08942A QKP02 ASSY KEY KEYPAD SUB GH98 00984A QLC01 LCD SGHI320 GH07 00838A QMI03 RMO CUSHION MIC GH73 06180A QMO01 MOTOR DC SGHI320 GH31 00237A QMP01 PBA MAIN SGHI320 GH92 02504A QMW02 PMO COVER MAIN WINDOW GH72 28151A QRE01 MEC COVER REAR GH75 08944A QRF01 PMO COVER MOBILE GH72 281...

Page 17: ...2A LABEL R MAIN EU GH68 09839C BOX P UNIT MAIN XET GH69 03861C CUSHION CASE TA2 MA2 GH69 03864A PMO COVER FRONT GH72 28143A RMO CUSHION BGA A GH73 06184A RMO CUSHION BGA B GH73 06185A RMO CUSHION BGA D GH73 06187A RMO CUSHION BGA E GH73 06188A RMO CUSHION PCB GH73 07056A MPR DUMMY SHORT TAPE F GH74 11815A MPR CUSHION MAIN KEY CON GH74 20153A MPR CUSHION MAIN LCD CON GH74 20154A MPR CUSHION CAMERA ...

Page 18: ...CB 1 Remove the cover of the tape on the bottom of the motor stick the motor on the frame Press the motor slightly to stick the motor firmly 2 3 4 1 Remove the cover on the tape stuck on the frame insert the LCD connector through the hole in the frame Place and stick the bottom right corner of the LCD to the red guide line in the blue circle 5 6 1 Remove the cover of the tape on the bottom of the ...

Page 19: ...ector later 1 Push out two red circled hooks slightly to lift the PBA 5 6 7 8 9 10 1 Insert tweezers between the bottom of the motor and the frame to the direction that the red arrow directs 1 Take off the KEY FPCB with care not to damage KEY FPCB 1 Get rid of the screw in the A red circle You can lift the shield frame with pushing out three hooks slightly 1 Remove the sponge on the LCD connector ...

Page 20: ... may change without notice Disassembly and Assembly instructions 6 3 This Document can not be used without Samsung s authorization 1 Remove two screws in the red circles and take out the antenna with care not to damage the hook 11 ...

Page 21: ...to stick the motor firmly 2 3 4 1 Remove the cover on the tape stuck on the frame insert the LCD connector through the hole in the frame Place and stick the bottom right corner of the LCD to the red guide line in the blue circle 1 Get rid of 4 screws in the red circled corners Be careful not to damage the rear cover 1 Lift the rear cover slightly and unlock the hook on the left side the upper part...

Page 22: ... speaker assembly and screw in the right red circle Then put the speaker connector on the connector on the PBA A 1 Place the frame on the right position and lock three hooks in the red circle Screw the frame in the red A circle 1 Solder the receiver on the PCB minding silk marks of soldering pads on the PCB Be careful not to cause a short circuit when you solder 1 Stick the sponge in the guideline...

Page 23: ...s 1 Press the rear cover part around the red circle area slightly to lock the left hook on the rear cover 1 Place the PBA pushing out two hooks in the red circles slightly 1 Put on the receiver into the hole of the front cover the receiver connector the motor connector the LCD connector and the key connector on the right positions firmly 1 Put some adhesive on the soldered motor wire Be careful no...

Page 24: ...Disassembly and Assembly instructions 6 7 This Document can not be used without Samsung s authorization 17 18 1 Press the rear cover part around the red circle area slightly to lock the rightt hook on the rear cover 1 Screw four positions in the red circles ...

Page 25: ...A 2203 006305 C1028 C CER CHIP SA 2203 006423 C103 C CER CHIP SA 2203 006423 C1031 C CER CHIP SA 2203 000386 C1034 C CER CHIP SA 2203 006121 C1036 C CER CHIP SA 2203 000425 C1038 C CER CHIP SA 2203 006423 C104 C CER CHIP SA 2203 006423 C105 C CER CHIP SA 2203 006423 C106 C CER CHIP SA 2203 006423 C107 C CER CHIP SA 2203 006423 C108 C CER CHIP SA 2203 006423 C109 C CER CHIP SA 2203 006423 C110 C CE...

Page 26: ... CHIP SA 2203 006423 C146 C CER CHIP SA 2203 005806 C147 C CER CHIP SA 2203 005806 C148 C CER CHIP SA 2203 006423 C149 C CER CHIP SA 2203 005806 C150 C CER CHIP SA 2203 005806 C151 C CER CHIP SA 2203 005806 C152 C CER CHIP SA 2203 005806 C153 C CER CHIP SA 2203 006423 C154 C CER CHIP SA 2203 005806 C155 C CER CHIP SA 2203 006423 C156 C CER CHIP SA 2203 005806 C157 C CER CHIP SA 2203 006423 C158 C ...

Page 27: ... CHIP SA 2203 006562 C228 C CER CHIP SA 2203 006825 C301 C CER CHIP SA 2203 000940 C302 C CER CHIP SA 2203 006423 C303 C CER CHIP SA 2203 006423 C304 C CER CHIP SA 2203 006562 C305 C CER CHIP SA 2203 006562 C306 C CER CHIP SA 2203 006121 C307 C CER CHIP SA 2203 006120 C308 C CER CHIP SA 2203 000550 C309 C CER CHIP SA 2203 006121 C310 C CER CHIP SA 2203 006423 C311 C CER CHIP SA 2203 006423 C312 C ...

Page 28: ... CHIP SA 2203 002443 C438 C CER CHIP SA 2203 002443 C439 C CER CHIP SA 2203 000438 C440 C CER CHIP SA 2203 006423 C442 C CER CHIP SA 2203 000438 C443 C CER CHIP SA 2203 002443 C444 C CER CHIP SA 2203 002443 C445 C CER CHIP SA 2203 006562 C448 C CER CHIP SA 2203 000812 C451 C CER CHIP SA 2203 006562 C452 C CER CHIP SA 2203 000438 C453 C CER CHIP SA 2203 000438 C454 C CER CHIP SA 2203 001405 C456 C ...

Page 29: ... CHIP SA 2203 005682 C531 C CER CHIP SA 2203 005682 C532 C CER CHIP SA 2203 005682 C533 C CER CHIP SA 2203 005682 C534 C CER CHIP SA 2203 005682 C535 C CER CHIP SA 2203 005682 C536 C CER CHIP SA 2203 005682 C537 C CER CHIP SA 2203 005682 C538 C CER CHIP SA 2203 002687 C539 C CER CHIP SA 2203 000854 C601 C CER CHIP SA 2203 000854 C602 C CER CHIP SA 2203 006048 C603 C CER CHIP SA 2203 000854 C605 C ...

Page 30: ... CHIP SA 2203 006423 C802 C CER CHIP SA 2203 006423 C803 C CER CHIP SA 2203 006423 C804 C CER CHIP SA 2203 006423 C805 C CER CHIP SA 2203 006423 C806 C CER CHIP SA 2203 006423 C807 C CER CHIP SA 2203 006423 C808 C CER CHIP SA 2203 006194 C809 C CER CHIP SA 2203 006194 C810 C CER CHIP SA 2203 006194 C811 C CER CHIP SA 2203 006194 C812 C CER CHIP SA 2203 006194 C813 C CER CHIP SA 2203 006194 C814 C ...

Page 31: ...3 000254 C928 C CER CHIP SA 2203 000654 C929 C CER CHIP SA 2203 000489 C930 C CER CHIP SA 2203 000628 C932 C CER CHIP SA 2203 000940 C933 C CER CHIP SA 2203 005446 C935 C CER CHIP SA 2203 000438 C936 C CER CHIP SA 2203 000654 C937 C CER CHIP SA 2203 002759 C938 C CER CHIP SA 2203 000995 C939 C CER CHIP SA 2203 000254 C940 C CER CHIP SA 2203 000254 C943 C CER CHIP SA 2203 006562 C944 C CER CHIP SA ...

Page 32: ...3 001242 L101 INDUCTOR SMD SA 2703 002734 L302 INDUCTOR SMD SA 2703 002768 L303 INDUCTOR SMD SA 2703 001876 L401 INDUCTOR SMD SA 2703 000403 L501 INDUCTOR SMD SA 2703 002734 L701 INDUCTOR SMD SA 2703 002734 L702 INDUCTOR SMD SA 2703 002314 L901 INDUCTOR SMD SA 2703 002367 L903 INDUCTOR SMD SA 2703 002367 L904 INDUCTOR SMD SA 2703 001749 L905 INDUCTOR SMD SA 2703 001749 L906 INDUCTOR SMD SA 2703 00...

Page 33: ...IP SA 2007 008516 R120 R CHIP SA 2007 008419 R121 R CHIP SA 2007 008516 R122 R CHIP SA 2007 008516 R123 R CHIP SA 2007 008516 R124 R CHIP SA 2007 008516 R125 R CHIP SA 2007 008516 R126 R CHIP SA 2007 008419 R127 R CHIP SA 2007 008516 R128 R CHIP SA 2007 008516 R129 R CHIP SA 2007 000148 R130 R CHIP SA 2007 008516 R131 R CHIP SA 2007 008055 R132 R CHIP SA 2007 000171 R133 R CHIP SA 2007 008516 R134...

Page 34: ...IP SA 2007 008055 R310 R CHIP SA 2007 008516 R311 R CHIP SA 2007 000172 R312 R CHIP SA 2007 007009 R313 R CHIP SA 2007 003029 R315 R CHIP SA 2007 008516 R401 R CHIP SA 2007 008542 R402 R CHIP SA 2007 008542 R403 R CHIP SA 2007 000171 R404 R CHIP SA 2007 000171 R405 R CHIP SA 2007 008542 R406 R CHIP SA 2007 007142 R407 R CHIP SA 2007 007132 R408 R CHIP SA 2007 007308 R410 R CHIP SA 2007 007142 R411...

Page 35: ...IP SA 2007 008542 R507 R CHIP SA 2007 008542 R508 R CHIP SA 2007 000171 R509 R CHIP SA 2007 000171 R510 R CHIP SA 2007 007107 R601 R CHIP SA 2007 001339 R602 R CHIP SA 2007 000163 R603 R CHIP SA 2007 000163 R604 R CHIP SA 2007 000163 R606 R CHIP SA 2007 000163 R607 R CHIP SA 2007 000163 R608 R CHIP SA 2007 000171 R609 R CHIP SA 2007 000171 R610 R CHIP SA 2007 009171 R611 R CHIP SA 2007 008419 R612...

Page 36: ...HIP SA 2007 000171 R808 R CHIP SA 2007 008542 R810 R CHIP SA 2007 008542 R813 R CHIP SA 2007 008542 R819 R CHIP SA 2007 008542 R820 R CHIP SA 2007 008542 R823 R CHIP SA 2007 000171 R901 R CHIP SA 2007 000172 R902 R CHIP SA 2007 000148 R903 R CHIP SA 2007 000138 R904 R CHIP SA 2007 000758 R905 R CHIP SA 2007 002797 R906 R CHIP SA 2007 000138 R907 R CHIP SA 2007 007310 R908 R CHIP SA 2007 007310 R90...

Page 37: ...404 001381 TA1001 C TA CHIP SA 2404 001381 TA1002 C TA CHIP SA 2404 001381 TA101 C TA CHIP SA 2404 001395 TA102 C TA CHIP SA 2404 001386 TA104 C TA CHIP SA 2404 001381 TA201 C TA CHIP SA 2404 001381 TA202 C TA CHIP SA 2404 001381 TA301 C TA CHIP SA 2404 001381 TA303 C TA CHIP SA 2404 001381 TA304 C TA CHIP SA 2404 001381 TA305 C TA CHIP SA 2404 001381 TA306 C TA CHIP SA 2404 001381 TA307 C TA CHIP...

Page 38: ... TR401 TR DIGITAL SA 0501 000225 TR402 TR SMALL SIGNAL SA 0504 000168 TR702 TR DIGITAL SA 1205 002696 U1001 IC DATA COMM GEN SA 1203 001720 U1002 IC POSI FIXED REG SA 0801 000796 U101 IC CMOS LOGIC SA 0801 003016 U102 IC CMOS LOGIC SA 0801 003016 U103 IC CMOS LOGIC SA 0801 002294 U104 IC CMOS LOGIC SA 1203 002895 U105 IC RESET SA 0801 002896 U106 IC CMOS LOGIC SA 1203 002690 U201 IC POSI FIXED REG...

Page 39: ...ERVISOR SA 0902 001900 UCP101 IC MICROPROCESSOR SA GH09 00038A UCP801 IC MICOM SA 1106 001519 UME201 IC SRAM SA 1108 000054 UME202 IC MCP SA 1108 000036 UME801 IC MCP SA 1405 001093 VR601 VARISTOR SA 1405 001093 VR602 VARISTOR SA 1404 001165 VR701 THERMISTOR NTC SA 0403 001547 ZD301 DIODE ZENER SA 0406 001210 ZD401 DIODE TVS SA 0406 001167 ZD402 DIODE TVS SA 0406 001210 ZD403 DIODE TVS SA 0406 001...

Page 40: ...Main Electrical Parts List 7 16 This Document can not be used without Samsung s authorization SEC CODE Design LOC Discription STATUS 0406 001201 ZD613 DIODE TVS SA 0406 001201 ZD614 DIODE TVS SA 0406 001201 ZD615 DIODE TVS SA 0406 001201 ZD616 DIODE TVS SA ...

Page 41: ...SAMSUNG Proprietary Contents may change without notice 8 Block Diagrams 8 1 This Document can not be used without Samsung s authorization ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 2 This Document can not be used without Samsung s authorization ...

Page 43: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 3 This Document can not be used without Samsung s authorization ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 4 This Document can not be used without Samsung s authorization ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 5 This Document can not be used without Samsung s authorization ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 6 This Document can not be used without Samsung s authorization ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 8 7 This Document can not be used without Samsung s authorization ...

Page 48: ...M1_CS ROM1_CS ROM2_CS SPFS1 1 0 0 1 A T 2 0 0 1 A T 1 0 1 A T 2 0 1 A T 4 0 1 A T TA301 9 0 3 A T TA407 9 0 4 A T 0 1 4 A T 3 0 7 A T TA704 1 0 9 A T 2 0 9 A T 3 0 9 A T 1 0 9 X C T TP1002 TP1003 TP1004 TP1005 TP201 TP207 TP208 TP209 TP701 TP704 TP801 TR101 2 0 4 R T 2 0 7 R T U1002 1 0 1 U U102U103 4 0 1 U 6 0 1 U 1 0 2 U 5 0 3 U 7 0 4 U 2 0 5 U U605 U606 2 0 7 U U703 1 0 8 U 1 0 9 U 2 0 9 U 3 0 ...

Page 49: ...TA304 TA305 TA306 TA307 TA308 TA311 2 1 3 A T 3 1 3 A T 4 1 3 A T 5 1 3 A T TA316 7 1 3 A T 1 0 4 A T TA402 TA403 4 0 4 A T 5 0 4 A T TA406 TA408 1 0 6 A T 2 0 6 A T TA603 TA604 TCK3 TDI3 TDO3 TMS3 TP1001 TP202TP203 TP204 TP206 TP401 TP402 TR301 2 0 3 R T 1 0 4 R T TRST3 U1001 U105 2 0 2 U 1 0 3 U U302 3 0 3 U U304 6 0 3 U 7 0 3 U 8 0 3 U U310 1 0 4 U 2 0 4 U 3 0 4 U U408 9 0 4 U 1 0 5 U U602 U604...

Page 50: ... 10 1 1 Power ON Charge the battery Power ON Does not work Pin 3 of U301 is high If not solder U301 again or replace NO NO NO YES YES YES battery voltage 3 6V Voltage of Pin 5 of U301 3 3V Voltage of TA314 1 35V Pin 1 of U307 is high If not solder U307 again or replace Check the initial operation NO Pin 3 of U302 is high If not solder U302 again or replace YES Voltage of Pin 5 of U302 3V ...

Page 51: ... S TR302 6 GND 4 ITH 2 PLLLPF 8 1 RUN 5 SW 7 S MODE 3 VFB VIN U307 R307 L303 TA312 R315 R306 TA313 C308 VBAT R305 CORE12 C309 VCORE_EN PWR_EN 0505 001464 check 3 0V VBAT C305 BAT33 C306 D 3 G 1 S 2 R302 FDN338P TR301 VBAT C307 8 HOLE PWR 1 6 SENSE SW 7 C303 U306 2 DC 5 DEN FET 3 GND 4 3 1 2 5 4 U304 1 OUT 5 REF_BYP 4 U301 3 EN GND 2 IN TA311 VBAT C312 VBAT C304 R303 POWER_DET PDA_PWR_KEEP AUTO_PWR...

Page 52: ...ange without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 3 This Document can not be used without Samsung s authorization Layout for Power on 3 0V TA303 VCC_CPU C302 VBAT TA304 5 REF_BYP 4 U302 3 EN GND 2 IN 1 OUT SYS_EN ...

Page 53: ...eck the LCD part END Sound operation OK LCD Display OK Initial Failure Voltage of Pin 5 of U301 3 3V NO Pin 3 of U301 is high If not solder U301 again or replace YES Voltage of TA314 1 35V NO Pin 1 of U307 is high If not solder U307 again or replace YES Voltage of Pin 5 of U302 3V NO Pin 3 of U302 is high If not solder U302 again or replace YES Voltage of Pin 5 of L302 1 8V NO Pin 3 of U305 is hig...

Page 54: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 5 This Document can not be used without Samsung s authorization ...

Page 55: ...ocument can not be used without Samsung s authorization 10 1 3 SIM Part Check the voltage at SIM701 pin 1 2 8 Please insert SIM card Check the SIM701 s Connection to SIM card END NO Check the SIM Card Solder SIM701 again or change SIM701 YES Check the UCD701 NO YES Check SIM s signal when you see SIM checking display ...

Page 56: ...out Samsung s authorization Schematic for SIM connection Layout for SIM connection VBAT H11 VRTC K12 VSIM UP_IO R10 UP_RST J13 VDD12 C11 VDD34 0 1 C 5 D D V 3 1 B 7 6 D D V K14 SIM_CLK J11 SIM_IO K11 SIM_RST N9 UP_CLK P10 8 E Q D N G C732 C709 C731 R718 7 G G 8 9 G G 10 SIM701 1 1 2 2 3 3 4 4 5 5 6 6 C705 C733 C706 SIM_DET SIMCLK SIMRST SIMDATA ...

Page 57: ... and Circuit Diagrams 10 8 This Document can not be used without Samsung s authorization 10 1 4 Charging Part Check the voltage of pin 23 24 of IFC601 4 2V Replace TC Abnormal charging operation END YES NO Check the voltage of BTC301 4 2V NO YES Check the path from BTC301 Charging YES ...

Page 58: ...R616 R612 NC 27 28 NC 4 4 5 5 6 6 7 7 8 8 9 9 NC 25 26 NC 19 19 2 2 20 20 21 21 22 22 23 23 24 24 3 3 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 IFC601 1 1 10 10 R619 R622 R609 VCC_CPU VCC_1 8V D603 R623 R613 R610 3 1 6 D Z 6 1 6 D Z 5 1 6 D Z 4 1 6 D Z 1 1 6 D Z R621 R620 R629 R614 R624 0 1 6 D Z 3 4 5 6 D602 ZD608 1 2 2 1 6 D Z PWR_GND PDA_TMS PDA_TDO PDA_TCK PDA_TDI CHARGE_DET VBAT FFTXD F...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 10 This Document can not be used without Samsung s authorization Layout for charging ...

Page 60: ...Change Microphone or Check Mic path soldering or Download Image Is there signal on the C434 C437 during input signal playing If E P ON END Check the Pin 1 of U408 is Low Check the Pin 29 23 of UCD401 some signal on Yes Check UCD401 or Resolder No No Check U408 or Resolder Yes If E P OFF END Check the Pin 1 of U408 is High Check the Pin 23 30 of UCD401 some signal on Yes Chech UCD401 or Resolder No...

Page 61: ...eaker Part MIC_N SPK_P P_BAT SPK_COM N C INT ADC SPK_N P_GND MIC_P R440 C452 R437 R432 TA408 G 18 9 G 11 12 G G 13 14 G G 15 16 G 17 G 10 2 3 4 5 6 7 8 EAR401 1 R431 R430 BAT33 R426 C456 C434 R427 ZD402 1 2 3 4 5 6 TA410 BAT33 C453 R435 BAT33 R433 C436 C454 C448 R429 AUDIO30 TA407 R436 AUDIO30 1 TR402 2 3 TA409 C437 3 0 4 D Z C451 R439 SEND_END EAR_SPKL JACK_S NC_GND MIC MICINN AUXINP AUXINN MICIN...

Page 62: ... Speaker Part Speaker does not work Yes Is there sinewave signal on the UCD401 pin 39 41 during window media playing No Check UCD401 or Resolder Yes No Check the Pin 1 13 of U401 is High Check U401 or Resolder Yes No Check U401 or Resolder Is there signal on the U401 Pin 4 6 16 18 during window media playing Yes No Replace the speaker Check the speaker out of order or not Yes END ...

Page 63: ...11 12 12 13 13 14 14 2 0 5 D Z C511 C510 3 0 5 D Z MSPKRN MSPKRP FLASH_LED MSPKLP MSPKLN FLASH_LED TA406 C445 C439 C443 C440 VDD 9 C442 25 GND NC 26 27 NC VDD 3 VOMR 4 VSS 5 VOPR 6 VDD 7 VSS 8 VDD 19 VSS 2 VSS 20 VDD 21 VIML 22 VREFL 23 VIPL 24 VREFR 11 VIPR 12 EN_R 13 VSS 14 VDD 15 VOML 16 VSS 17 VOPL 18 U401 EN_L 1 VIMR 10 C444 C430 C433 C432 C431 R417 VBAT R416 R420 C438 R422 R419 R418 R421 R42...

Page 64: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 15 This Document can not be used without Samsung s authorization Layout for Speaker Part ...

Page 65: ...r Part Receiver does not work No Check UCD401 or Resolder Check the Pin 23 24 of UCD401 some signal on Yes Check the Pin 35 36 of UCD401 some signal on Check UCD401 or Resolder No Yes Check U409 or Resolder No Check the Pin 2 10 of U409 some signal on Yes Resoldering R434 R438 Check the R434 R438 some signal on No Yes Replace the Receiver No Check the Receiver Out of order or not Yes END ...

Page 66: ... Schematic for Receiver part C402 AUDIO30 IN2 8 5 NC1 7 NC2 NO1 2 NO2 10 1 V U409 3 COM1 9 COM2 6 GND IN1 4 EAR_SPKL EAR_RCVN EAR_RCVP JACK_S JACK_S EAR_SPKR RCVN RCVP MAIN MP3 MAIN RCV EAR MP3 EAR RCV 5 3 R K P S 6 3 SPKVDD 8 3 OUT3 7 3 3 3 4 T U O D N G K P S 4 3 L K P S 0 3 O N O M 1 3 HPL 9 3 2 P A C 2 3 MIC_WM_OUTP LOUD_SPKL MIC_WM_OUTN P O P _ R A E EAR_RCVN EAR_RCVP ...

Page 67: ...nts may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 18 This Document can not be used without Samsung s authorization Layout for Receiver Part C455 ZD401 TP402 R434 R438 C457 ZD404 TP401 RCVP RCVN ...

Page 68: ...ck the Pin 20 21 of UCD401 some signal on No Check UCD401 or Resolder Yes Check the Pin 35 36 of UCD401 some signal on Check UCD401 or Resolder No Yes Check the Pin 5 7 of U409 some signal on Check U409 or Resolder No Yes Resoldering TA409 TA410 No Check the TA409 TA410 some signal on Yes Resoldering Ear401 No Check the Ear401 connection Out of order or not Yes Check the Ear mic Out of order or no...

Page 69: ...9 Camera Part Mega and VGA Camera function does not work Check the connection between a camera module and HDC503 NO Re connect the camera module NO NO NO YES YES Check the R110 R111 Check the UCP100 Check U303 YES YES Replace a Camera module END Check voltages of HDC503 pin 11 2 8V pin 2 1 8V Check voltages of HDC503 pin 23 24 3V Examine the HDC 503 to find any soldering defect ...

Page 70: ... 15 16 16 17 HDC503 1 C526 C523 C521 CAM_AVDD_H28 R504 CAM_DVDD_H28 C535 C529 C528 C533 C525 C524 C520 CAMAGND C536 C538 CAM_DVDD_H18 C532 R507 C522 C531 C530 C527 C537 CAM_PCLK CAM_MCLK CAM_ENB CAM_RESETB CAM_SCLK CAM_SDA Y 5 Y 7 Y 6 Y 4 Y 2 Y 0 Y 3 Y 1 CAM_VSYNC CAM_HSYNC PU PU SCL_GPIO117 E2 B1 SDA_GPIO118 MA5 MA6 N5 R6 MA7 MA8 T7 P5 MA9 R4 MA19 MA2 MA20 T4 W5 MA21 MA22 Y4 W4 MA23 MA24 W2 V2 MA...

Page 71: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 22 This Document can not be used without Samsung s authorization Layout for CAMERA ...

Page 72: ...esolder TCX901 change or resolder C907 R902 check or resolder No No U903 check pin 25 26 27 28 Vp p 100mV U903 check pin 1 8 31 36 41 clean 2 8V No No UCD701 pin A13 C735 check or resolder TCX901 check pin 4 clean 3V TCX701 check pin3 26M Vp p 1V U903 check pin 35 26M Vp p 860mV C925 C926 L907 resolder or change No U903 check pin 6 7 65dBm Yes F901 resolder or change No F901 check pin 1 2 65dBm Ye...

Page 73: ...33 L901 check or change No No No No No Yes Yes No Yes No No Yes No Yes No Yes Yes TCX901 check or resolder UCD701 pin A13 C735 change or resolder U903 change or resolder U903 change or resolder UCD701 change or resolder PAM901 change or resolder TCX901 Pin4 3V U903 pin 32 33 3V UCD701 pinA13 C735 cgange or resolder TCX901 pin3 26MHz Vp p 1V F901 check or change Between F901 PAM901 1 2V Between F90...

Page 74: ...solder TCX901 change or resolder C907 R902 check or resolder No No U903 check pin 25 26 27 28 Vp p 100mV U903 check pin 1 8 31 36 41 clean 2 8V No No UCD701 pin A13 C735 check or resolder TCX901 check pin 4 clean 3V TCX901 check pin3 26M Vp p 1V U903 check pin 35 26M Vp p 860mV C922 L905 L906 resolder or change No U903 check pin 4 5 65dBm Yes F901 resolder or change No F901 check pin 3 4 65dBm Yes...

Page 75: ...der TCX901 change or resolder C907 R902 check or resolder No No U903 check pin 25 26 27 28 Vp p 100mV U903 check pin 1 8 31 36 41 clean 2 8V No No UCD701 pin A13 C735 C710 check or resolder TCX901 check pin 4 clean 3V TCX901 check pin3 26M Vp p 1V U903 check pin 35 26M Vp p 860mV C920 L903 L904 resolder or change No U903 check pin 2 3 65dBm Yes F901 resolder or change No F901 check pin 5 6 65dBm Y...

Page 76: ...r TA902 3 7V UCD701 check or change No No No No Yes Yes No Yes No No Yes No Yes No Yes No No Yes F901 pin2 2 8V TCX901 check or resolder UCD701 pin A13 C735 change or resolder U903 change or resolder U903 change or resolder UCD701 change or resolder PAM901 change or resolder TCX901 Pin4 3V U903 pin 32 33 3V TCX901 pin3 26MHz Vp p 1V U903 pin25 26 27 28 1 7V U903 pin1 8 31 36 41 32 2 8V F901 check ...

Page 77: ...MIXINB 10 KCOLF 39 G 49 G 50 51 G BIASDAC 11 IPAC 47 46 BIPAC QPAC 45 44 BQPAC CLK 32 CPIFSYN 30 40 NYSFRPC U903 14 OTEDMA 13 TNOC_MA C918 C913 C925 L907 VBAT 16 VDD_IC VIDO 15 VRAMP 5 VREG 3 VTXON 6 52 1DNG 4 9 1CN 1 PIN_DCS PCS 7 PIN_GSM POUT_DCS PCS 19 13 POUT_GSM 2 VBAND 17 01G 11G 41 G 01 11 G G 12 22 G G 32 42 G G PAM901 COUPLEROUT_DCS PCS 20 COUPLEROUT_GSM 12 G 8 81 R920 4 4 5 5 6 6 R934 9 ...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting and Circuit Diagrams 10 29 This Document can not be used without Samsung s authorization Layout for RF part ...

Page 79: ...ocument can not be used without Samsung s authorization 10 2 6 BLUETOOTH Bluetooth Activation Has the BT Ant no crack BT Ant Resolder or Change YES NO Check U1002 Pin 5 3V YES NO Check the R1006 Check OSC1002 Pin 3 has 13MHz signal YES NO Resolder OSC1002 Check CPL1001 s Pin 3 output 6dBm YES NO Change CPL1001 The End ...

Page 80: ...LK_IN TL_LDO_OUT B4 IO14 IO15 F7 C6 IO1 EXT_CLK_REQ_IN IO2 SCL B7 D5 IO3 SDA IO4 A6 C4 IO5 IO7 C8 D4 JTAG_TCK JTAG_TDI C3 E6 JTAG_TDO F8 H5 BB_LDO_OUT2 BB_LDO_OUT3 A4 BGAP_I A1 B1 BGAP_V D6 EMRST E8 HCI_CTS HCI_RTS E7 HCI_RX E4 E5 HCI_TX IO0 EXT_CLK_REQ_OUT D7 ANATEST1 B2 ANATEST2 C1 ANA_LDO_OUT D2 B6 AUD_CLK AUD_FSYNC A7 AUD_IN C5 C7 AUD_OUT BB_LDO_OUT1 TA1001 U1001 TA1002 C1038 VBT C1027 VBAT C1...

Page 81: ...PSK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Di...

Page 82: ...tronics Co Ltd Code No GH68 10798A 2006 05 Rev 1 0 ⓒ 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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