Samsung SGH-S108 Page 17 Service Manual Download

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SAMSUNG Proprietary-Contents may change without notice

4. SGH-S108 PCB Diagrams

1. Main PCB Top Diagram

C1003

C1004

C1005

C1007

C1008

C1009

C1011

C1012

C1013

C1014

C1015

C1017

C1018

C1019

C1020

C1021

C1024

C1025

C211

C212

C400

C401

C402

C403

C404

C405

C406

C407

C408

C409

C410

C411

C412

C414

C417

C419

C423

C424

C425

C426

C427

C428

C504

C512

C513

C516

C517

C518

C519

C600

C601

C602

C603

C604

C605

C606

C607

C608

C609

C610

C611

C612

C613

C614

C615

C616

C617

C700

C705

C706

C707

C708

C709

C710

C711

C712

C713

C714

C715

C716

C717

C718

C719

C810

C900

C901

C902

C903

C905

C906

C910

C911

C916

C917

C918

C919

C920

C922

C923

C924

C925

CN401

F1002

F1004

F1005

F1006

F200

F201

F202

F203

F204

L1001

L1002

L1004

L1005

L1006

L900

MAIN_MIC

OSC601

Q400

R1000

R1001

R1002

R1003

R1004

R1005

R1006

R1008

R1009

R1010

R1011

R1012

R1018

R400

R401

R403

R404

R405

R406

R407

R408

R409

R410

R412

R413

R414

R415

R420

R421

R422

R423

R424

R429

R431

R506

R600

R606

R608

R609

R611

R612

R613

R700

R709

R710

R900

R901

TP600

TP602

TP705

TP708

U1000

U400

U401

U501

U502

U601

U700

U900

U901

U902

ZD305

ZD309

ZD310

ZD311

Summary of Contents for SGH-S108

Page 1: ...S108 SERVICE Manual China Cellular GSM Telephone CONTENTS 1 Exploded Views and Parts List 2 Electrical Parts List 3 Block Diagrams 4 PCB Diagrams 5 Flow Chart of Troubleshooting CHINA CELLULAR GSM TELEPHONE ...

Page 3: ... 2 2203 005288 C1017 C CERAMIC CHIP 0 001nF 0 1pF 50V NP0 TP 1005 2 2203 000359 C1018 C CERAMIC CHIP 0 15NF 5 50V C0G TP 1005 2 2203 005288 C1019 C CERAMIC CHIP 0 001nF 0 1pF 50V NP0 TP 1005 2 2203 005482 C1020 C CERAMIC CHIP 100nF 10 10V X5R TP 1005 2 2203 000278 C1021 C CERAMIC CHIP 0 01NF 0 5PF 50V C0G TP 1005 2 2404 001100 C1022 C TA CHIP 33uF 20 6 3V GP TP 3719 2 2404 001297 C1023 C TA CHIP 6...

Page 4: ...00nF 80 20 16V Y5V TP 1005 2 2203 000995 C211 C CERAMIC CHIP 0 047NF 5 50V C0G TP 1005 2 2203 000995 C212 C CERAMIC CHIP 0 047NF 5 50V C0G TP 1005 2 2203 000233 C213 C CERAMIC CHIP 0 1NF 5 50V C0G TP 1005 2 2203 000233 C214 C CERAMIC CHIP 0 1NF 5 50V C0G TP 1005 2 2203 000438 C215 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2 2203 000438 C216 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2 2203 000438 C217 C CE...

Page 5: ...P 1005 2 2203 005061 C516 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C517 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C518 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C519 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 000254 C600 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2 2203 005496 C601 C CERAMIC CHIP 220nF 80 20 10V Y5V TP 1005 2 2203 005496 C602 C CERA...

Page 6: ...7R TP 1005 2 2203 000278 C806 C CERAMIC CHIP 0 01NF 0 5PF 50V C0G TP 1005 2 2203 000254 C807 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2 2203 000254 C808 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2 2203 000254 C809 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2 2203 000233 C900 C CERAMIC CHIP 0 1NF 5 50V C0G TP 1005 2 2203 000233 C901 C CERAMIC CHIP 0 1NF 5 50V C0G TP 1005 2 2203 000233 C902 C CERAMIC CHIP 0 ...

Page 7: ...P 1805 18 2 2901 001193 F200 FILTER EMI SMD 25V 0 1A 35pF 3 2x1 6x0 75MM TP 2 2901 001193 F201 FILTER EMI SMD 25V 0 1A 35pF 3 2x1 6x0 75MM TP 2 2901 001193 F202 FILTER EMI SMD 25V 0 1A 35pF 3 2x1 6x0 75MM TP 2 2901 001193 F203 FILTER EMI SMD 25V 0 1A 35pF 3 2x1 6x0 75MM TP 2 2901 001193 F204 FILTER EMI SMD 25V 0 1A 35pF 3 2x1 6x0 75MM TP 2 2703 001257 L1000 INDUCTOR SMD 3 9nH 0 3nH 1 6x0 8X0 8mm 2...

Page 8: ...7 007008 R1016 R CHIP 300OHM 5 1 16W DA TP 1005 2 2007 000174 R1017 R CHIP 47ohm 5 1 16W DA TP 1005 2 2007 007698 R1018 R CHIP 5 1Kohm 1 1 16W DA TP 1005 2 2007 000167 R102 R CHIP 390Kohm 5 1 16W DA TP 1005 2 2007 007200 R103 R CHIP 2 4OHM 5 1 16W DA TP 1005 2 2007 007771 R104 R CHIP 0OHM 5 1 16W DA TP 1005 2 2007 007771 R105 R CHIP 0OHM 5 1 16W DA TP 1005 2 2007 007771 R106 R CHIP 0OHM 5 1 16W DA...

Page 9: ...0 C CERAMIC CHIP 0 033NF 5 50V C0G TP 1005 2 2007 000172 R506 R CHIP 10ohm 5 1 16W DA TP 1005 2 2007 000162 R600 R CHIP 100Kohm 5 1 16W DA TP 1005 2 2007 000172 R606 R CHIP 10ohm 5 1 16W DA TP 1005 2 2007 000157 R608 R CHIP 47Kohm 5 1 16W DA TP 1005 2 2007 000157 R609 R CHIP 47Kohm 5 1 16W DA TP 1005 2 2007 000170 R610 R CHIP 1Mohm 5 1 16W DA TP 1005 2 2007 007142 R611 R CHIP 10Kohm 1 1 16W DA TP ...

Page 10: ...SGH S100 144K 2 1209 001219 U602 IC SENSOR LM60C SOT 23 3P 115MIL PLASTIC 2 1204 001984 U700 IC SIGNAL PROCESSOR CSP1093CR1 RT10 DB FSBGA 108P 8X8MM PL 2 0504 001042 U701 TR DIGITAL BCR10PN NPN PNP 250mW 10K 10K 2 0504 001042 U702 TR DIGITAL BCR10PN NPN PNP 250mW 10K 10K 2 0504 001042 U703 TR DIGITAL BCR10PN NPN PNP 250mW 10K 10K 2 0801 002345 U801 IC CMOS LOGIC 7S04 INVERTER SOT 353 5P 49MIL SING...

Page 11: ...SAMSUNG Proprietary Contents may change without notice 2 SGH S108 Exploded View and its Parts list 2 1 1 Cellular phone Exploded View 1 2 3 4 5 6 7 8 9 11 14 12 10 13 15 16 18 20 19 17 21 22 ...

Page 12: ...EAKER 3001 001297 6 FOLDER LOWER GH75 02079A 7 SCREW 6001 001478 8 SCREW CAP GH74 02036A 9 WINDOW LCD GH72 04716A 10 FRONT COVER GH75 02076A 11 MIC GH59 00138A 12 VOLUME KEY GH75 02123A 13 KEYPAD GH75 02307A 14 DOME SHEET GH59 00425A 15 SHIELD COVER GH75 02203A 16 MAIN PBA GH92 01359A 17 CONNECTOR COVER GH73 01230A 18 ANTENNA GH42 00193A 19 RF COVER GH73 01229A 20 REAR COVER GH75 02077A 21 SCREW 6...

Page 13: ... change without notice SGH S108 Exploded view and its Part list 2 3 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00093A 3 2 Test Cable GH39 00165A 3 3 Serial Cable 3 5 DATA CABLE GH39 00176A 3 4 Power Supply Cable 3 6 TA GH44 00312D ...

Page 14: ...SAMSUNG Proprietary Contents may change without notice 2 4 SGH S108 Exploded view and its Part list M ME EM MO O ...

Page 15: ...T 1 2 RF PLL PGA SERIAL DATA INTERFACE GSM 890MHz 915MHz PCS 1850MHz 1910MHz PAM GSM 925MHz 960MHz PCS 1930MHz 1990MHz I Q CSP1093 TRIDENT DSP16000 ARM7TDMI UI SERIAL DATA CLK LE RF FILTER DCS 1805MHz 1880MHz L N A PGA A D C A D C IF PLL DCS 1710MHz 1785MHz D E T 100KHz CHANNEL FILTER D A C D A C PGA PGA R X TCVCXO 13 MHz C L K A F C T X I Q SI4201 ...

Page 16: ...DC CHARGER SIM X TAL 13MHz RS232 CSP1093 Audio Part LCD KEYBOARD SRAM 8M FLASH ROM 64M TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL RF DIRVER TXI Q RX I Q TXP SERCK SERLE SERDA OCTL IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB ARM JTAG ICE DAICK DAIRN DAIDO DAIDI DAI DSPJTAG JTAG GPRS ACC PPI Programmable Peripheral I O RTC JTAG ICE ...

Page 17: ...C617 C700 C705C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C810 C900 C901 C902 C903 C905 C906 C910 C911 C916 C917 C918 C919 C920 C922 C923 C924 C925 CN401 F1002 F1004 F1005 F1006 F200 F201 F202 F203 F204 G1 G2 G3 G4 G5 G6 G7 G8 L1001 L1002 L1004 L1005 L1006 L900 MAIN_MIC OSC601 Q400 R1000 R1001 R1002 R1003 R1004 R1005 R1006 R1008 R1009 R1010 R1011 R1012 R1018 R400 R401 R40...

Page 18: ...227 C228 C229 C230 C231 C232 C233 C301 C302 C413 C415 C416 C800 C801 C802 C803 C804 C805 C806 C807 C808 C809 C908 C914 C915 C921 CN100 CN1001 CN200 CN201 CN302 D202 D203 D204 D300 D301 F1000 F1001 F_WE_IN L1000 L801 LED200 M101 OSC801 Q100 Q101 Q700 Q701 Q702 R100 R101 R1013 R1014 R1015 R1016 R1017 R102 R103 R104 R105 R106 R110 R111 R112 R113 R200 R303 R305 R306 R307 R308 R309 R310 R312 R430 R610 ...

Page 19: ...ge the Battery pin 15 2 8V Check U100 and C113 pin 46 and pin 39 2 8V Check U100 and C112 Freq 13MHz Vrms 300mV and Vpp ㆃ 900mVpp Check the clock generation circuit related to OSC801 and U801 END No Yes Yes Yes Yes Yes No No No No pin 13 1 8V No Yes Check the V bat Voltage Check the pin of U100 Check the clock signal at pin 4 of U801 Check the initial operation Check the current consumption ...

Page 20: ...s some problem it has to be replaced END No Yes Is the pin 28 of U100 Low High Yes Check the U601 There is 32 768kHz wave forms at the C614 and C616 Check the LCD Part Yes No No Yes Yes Yes The Voltage is High at the C114 C116 C117 Check the Audio Part No Check the U100 If it has some problem it has to be replaced Check the U700 The pin 22 of U100 is High Check the U100 LCD display is O K No No Ye...

Page 21: ... of CN300 is TA_VEXT ㆃ 5V Abnormal charging operation The pin 2 of U102 is low Replace TA or Check CN300 Check the U102 Check the Q101 END No Yes Yes Yes No No The pin 3 of Q101 is low The pin 5 of U101 is 3 2 4 2V Check the U101 No Yes The ICHRG 1V during charging and ㆃ 180mV full charging No Solder again or change R111 Yes ...

Page 22: ...notice 2 4 SGH S108 Exploded view and its Part list 4 Sim Is there any Signals pin 64 65 66 of CN100 Insert SIM is displayed on the LCD Check the U601 Check the SIM Card END No Yes Yes Yes No Check the U100 Is there any Signals pin 61 62 63 of CN100 ...

Page 23: ...st 2 5 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C409 ㆃ 2 0V Reassemble the microphone Solder the microphone again or Replace C400 C409 R405 R406 R409 R410 END No Yes Yes Yes Yes No Is microphone ok No Check U700 Check the reference voltage on mic path ...

Page 24: ...er Are there any signals at the C221 C228 Check LCD or Replace CN201 Check U401 Is there any signals at the pin 5 and pin 7 of U400 END No Yes Yes Yes No No The type of sound from the Speaker is Melody Replace the Speaker Yes No The pin 4 of U400 is No No Yes Yes Yes Check U400 Is there any signals at the pin 2 and pin 10 of U400 The pin 4 of U400 is High No Check U700 ...

Page 25: ... L1005 F1004 solder again or change C1007 C1011 L1001 solder again or change U100 pin39 C116 check or solder again U902 CHECK pin 7 13MHz Vp p 860mV OSC801 CHECK pin 4 2 85V U902 change or solder again U901 CHECK pin 14 23 26 32 2 85V C808 solder again OSC801 change or solder again U100 pin 46 C114 check or solder again U901 pin 3 4 Vp p U900 CHECK pin 6 20 2 8V U900 solder again or change U901 pi...

Page 26: ... or solder again YES U901pin 9 10 12 13 20dBm U901pin 5 6 7 8 YES U700 change NO NO U1001 change or solder again YES U902 pin5 25 28 NO U100 pin 39 C116 change or solder again NO U902 pin 7 13MHz YES U902 pin 9 10 11 YES YES U901 change or solder again OSC801 pin 3 13MHz Vp p 950mV OSC801 change or solder again U700 check or change OSC801 pin 4 U100 pin 39 C116 change or solder again U902 change o...

Page 27: ...04 F1006 solder again or change C1014 C1017 L1002 solder again or change U100 pin39 C116 check or solder again U902 CHECK pin 7 13MHz Vp p 860mV OSC801 CHECK pin 4 U902 change or solder again U901 CHECK pin 14 23 26 32 2 85V C808 solder again OSC801 change or solder again U100 pin 46 C114 check or solder again U901 pin 3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U900 solder again or change U901 pin 1 ...

Page 28: ...YES U901pin 9 10 12 13 20dBm U901pin 5 6 7 8 1 7V YES U700 change NO NO U1001 change or solder again YES U902 pin5 25 28 3V NO U100 pin 39 C116 change or solder again NO U902 pin 7 13MHz Vp p 950mV YES U902 pin 9 10 11 12 13 3V YES YES U901 change or solder again OSC801 pin 3 13MHz Vp p 950mV OSC801 change or solder again U700 check or change OSC801 pin 4 3V U100 pin 39 C116 change or solder again...

Page 29: ... change C1021 F1005 solder again or change C1015 C1019 L1006 solder again or change U100 pin39 C116 check or solder again U902 CHECK pin 7 13MHz Vp p 860mV OSC801 CHECK pin 4 2 85V U902 change or solder again U901 CHECK pin 14 23 26 32 2 85V C808 solder again OSC801 change or solder again U100 pin 46 C114 check or solder again U901 pin 3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U900 solder again or c...

Page 30: ...gain YES U901pin 9 10 12 13 20dBm U901pin 5 6 7 8 1 7V YES U700 change NO NO U1001 change or solder again YES U902 pin5 25 28 3V NO U100 pin 39 C116 change or solder again NO U902 pin 7 13MHz Vp p 950mV YES U902 pin 9 10 11 12 13 3V YES YES U901 change or solder again OSC801 pin 3 13MHz Vp p 950mV OSC801 change or solder again U700 check or change OSC801 pin 4 3V U100 pin 39 C116 change or solder ...

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