Summary of the content on the page No. 1
GSM T ELEPHONE
SGH- i7 00
GSM TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. Block Diagrams
6. PCB Diagrams
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1. SGH-i700 Specification 1 . 1 P DA specif icatio n Par t s N am e Descriptio n Note PXA255 Co re : In tel( r ) X scale( T M ) CP U Core Freq u e n cies : 1 0 0 ~ 40 0 MHz C lo ck : 3. 68 64 MH z , 3 2 ,76 8 KH z ROM R D4 8F 3 30 0L 0ZD Q0 , Fl ash Memo r y, 16 M * 32 B it Memo ry RAM K4 M5 13233, SDRAM, 4 Bank, 16 M * 32 Bi t LC D Reso lution : 2 40 * 3 20 Aui d o C OD E C WM 970 5, 1 8 -bit ster eo audio , 4 - w ire to uch scre e n Melody YM U 7 6 2 , 4 0 p o l y SD Card SP I M o d e 1/4" VG
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SGH- I700 Sp e c ification 1 . 2 P hon e Specif icatio n Parts Nam e Descri ption Note T r iden t E F v ersio n C o r e : DS P 16 00 0 /AR M 7 IDM CP U DSP Core : RAM(20k * 16), ROM(144K * 1 6) ARM C ORE : RAM( 4K * 3 2) , R O M (2 K * 3 2 ) C lo ck : 13 MH z , 32 ,76 8 KH z LRS1 826A Memo ry ROM: 4M *16Bit *2 RAM : 2M * 1 6 B it Single-cellLi-lonCharger,SIU,LED Driver P o w e r - On / O f f an d r eset co n t ro l l o g ic PMIC 8-bit A DC, S ev en p r o g r am mable l o w-dro p-o ut r eg u l at
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2. SGH-i700 Flow Chart o f T roubleshooting 1.Po wer On ' P O W E R O N ' d oe s n ot w o rk Ye s No C h eck t h e cu rren t Press nPo we r K ey o r Hardware consumpti on more than 20 m A Reset Ye s No C h eck the pi n 1 of C h arge th e B a t tery U316 or U317 is Hi gh Ye s No C h eck the pi n 1 of C h arge th e B a t tery U3 23 i s H i gh Ye s No Ch e ck th e VB at more C h arge th e B a t tery than 3. 6V Ye s Che ck the p i n No C h eck to the path f rom p i n 1 of 4of U308ismore than C N 301
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 2- 2 SAMSUNG Proprietary-Contents may change without notice Th i s Do c u m e nt c a n not b e u se d w i t h out S a m s ung's a uth or i z a ti on VBAT nPOW ER_FAIL VBAT R356 U307 R332 R333 100K n32VDET 22K 220K 1 6 R1,C1 R2 U308 R334 NC 2 5 ON/OFF 1 8 R357 V.C1-1 EN GND 510K 3 4 VIN,R1 2 7 U317 V.C1-2 IN GND 3 6 1 4 FLG GND OUT GND R3 35 C329 4 5 2 3 100K OUT GND VDD NC 1UF 16V VCC_CPU nPOW ER_FAIL C3
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g 2 . I n itial p ar t Ini tial Fai l u re Ye s Ch eck th e "n RE SET _IN " No Ch eck th e U 1 1 0 si gn al at th e p i n 2 o f U10 9 i s "H i gh " Ye s Ch eck th e No "nGP I O _R ESET " at the C h eck th e R 125 p i n 1 of Q1 01 is "Hig h " Ye s Ch eck th e " S OFT WARE_R ESE T" at No D o w n l o ad agai n th e i n 1 of Q10 1 i s "H i g h " Ye s C h eck th e co n n ecti o n s an d i n i ti ali zati o n usi n g F actor y T e st P rog ram Ye s
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 3. C h arge Part A b n o rma l ch argi n g p a rt Ye s No Ch eck th e p i n 1 6 of R e p l ace T C C N 605 ≒ 4 .2 V Ye s No C h eck the pi n 1 of Che ck to the p ath fr om CN60 5 to C N 301 ≒ 4 .2 V p i n 1 of C N 301 Ye s Ch arg ing Ye s END 2- 4 SAMSUNG Proprietary-Contents may change without notice Th i s Do c u m e nt c a n not b e u se d w i t h out S a m s ung's a uth or i z a ti on
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g 4. S IM Par t P h o n e can ' t acce ss SIM card Ye s No C h eck the pi n 1 of C N 7 0 1 . v ol tage i s 2 . 8 V C h eck th e ci rcu i t rel ated to C N 70 1 ? Ye s Ch e ck th e SI M No con n e c t o r' s C N 7 0 1 Re solde r C N 7 0 1 C o n n e cti o n t o S I M card Ye s C h eck t h e ci rcu i t a rou n d U 7 0 1 ( S er ial EEPROM) an d data stored in it Ye s END 2- 5 SAMSUNG Proprietary-Contents may change without notice Th i s Do c u m e
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g SIM_IO CN701 1 6 1 6 2 5 2 5 3 4 3 G G G G 4 C70 2 C703 2.2UF 100NF 10 9 8 7 C70 1 33PF C70 6 C70 5 33PF 33PF SIM_RST C704 SIM_CLK 100NF VCCA VCCB R708 0 VREF VBAT VBAT VOSC R712 49 50 51 48 29 30 28 6 0 54 40 UP_RST VLDO_7 SIMRST 53 SIMCLK UP_CLK 52 41 UP_IO VDD67 SIMDATA 44 42 ADC_AUX1 VLDO_6 45 ADC_AUX2 56 ADC_TRIG 32 C719 C720 VL5S_A 31 470NF 470NF 3 VACC VL5S_B 2 VBAT 33 U701 VLDO_
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g 5. Micr oph o ne Phone MicropHon e does no t work Ye s ch e c k th e con n e c ti on No Ch an ge M ai n Ke y F-P CB from CN60 4 Ye s A u d i o l oop b ac k i s No en abl e d b y b o a rd t e st Re solde r R4 49, R 451 , R 40 6, R4 50 prog ram. R4 49 , R 45 1 ≒ 2 . 2 V Ye s H a rdw a re R e set o r R esode r i n g o r No C h eck the pi n 2 2 , 2 3 of U4 03 != Si n e W av e D ow n l oad Image Ye s END C465 L402 1UF 1u H AUDIO3 3 MICP MIC+
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 6. S p eaker P ar t Speakerdoesnot work Ye s No CN 6 0 2 p i n 7 , 8 Replace Speakerand If speakeris != si ne w ave ? w e ll , than repl ace si de ke y F-P C B Ye s No C h eck the pi n 1 of Hard w are R e s e t o r D ow n l oad I ma ge U4 05 i s "H " ? Ye s No C h eck the pi n 4 of Hard w are R e s e t o r D ow n l oad I ma ge U4 07 i s "H " ? Ye s Is theresinewavesignal H a rdw a re res e t o r R e soderi n g o r No on th e U 40 3 p i n 35, 36
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g AMP36 C450 1UF U405 AGND 1 C485 33UF 8 SPK- VO2 _SHDN nAMP_EN 6.3V 2 7 GND BYPA 3 6 C452 VDD +IN R430 AGND 330NF 27K,1% C484 33UF 5 4 SPK+ VO1 SPKOUT -IN 6.3V C458 C457 1UF 180PF R434 47K,1% AGND AUDIO33 C462 100NF U407 1 10 AGND V+ NO2 2 9 SPKOUT NO1 COM2 LINEOUTR 3 8 LINEOUTL COM1 IN2 SPK_SEL 4 7 IN1 NC2 SPK_SEL RCVOUTR 5 6 RCVOUTL NC1 GND AGND 2- 9 SAMSUNG Proprietary-Contents may change without notice Th i s Do c u m e nt c a n not b e u
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 7. Receiv er Par t Re ce i v e r does n ot w or k Ye s No C N 401 pi n R e p l ace R e ce i v e r. =sine wave ? Ye s No Ch e c k th e p i n 2 , 4 of C h eck U 404 (pi n 1 m u s t b e " H " ) U40 4 i s si n e w ave ? Ye s Ch e c k th e p i n 3 , 9 of No C h ech U 407 , ( p i n 4 m u st "H ") U4 07 i s si n e w ave ? Ye s H a rdw a re res e t o r R e soderi n g o r Ch e ck th e p i n 3 5 , 3 6 of No U4 03 i s si n e w ave ? d o w n l o ad i m ag e
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g AUDIO33 C462 100NF U407 1 10 AGND V+ NO2 2 9 SPKOUT NO1 COM2 LINEOUTR 3 8 LINEOUTL COM1 IN 2 SPK_SEL 4 7 SPK_SEL IN 1 NC 2 RCVOUTR 5 6 RCVOUTL NC 1 GND AGND AMP36 C427 R412 20K,1% 1UF C428 NC AGND C46 3 CN401-1 33UF U40 4 6.3V R429 0 R41 0 0 1 1 10 SPK_SEL SELECT VO2 R420 20K,1% 2 9 RCVOUTL IN- VDD C429 38 MODE NC 220NF R422 20K,1 % 4 7 RCVOUTR IN+ GND R41 30 5 6 C430 BYPASS VO1 220NF
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 8 . K e y M atr ix P ar t C h eck k ey i n i ti al o perati o n Ye s Che ck the No Check the pin4,5,6,7 of CN 6 0 4 i s " Hi gh " R 6 4 6 , R 6 50, R 651 , R 65 3 Ye s Wh e n on e o f th e ma in No key s i s pu sh ed , one of R e p l ace th e M ai n k e y P C B pin4,5,6,7 of CN602 is "Hig h " Ye s W h en on e of the si de No key s i s pu sh ed , one of R e p l ace th e S i d e k e y P C B pin4,5,6,7 of CN602 is "Hig h " Ye s END 2- 12 SAMSUNG Pr
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g CN602 2 1 1 KBR(1) 2 KBR(0) 4 3 nPOW ER 4 3 KBR(2) 6 5 KBC_3 6 5 KBC_2 8 7 SPK- 8 7 SPK+ 10 9 10 9 MOTOR 12 11 12 11 KBR(3) 14 13 14 13 16 15 16 15 C623 NC SMF05.TB SMF05.TB 5 4 3 1 5 4 3 1 ZD601 ZD602 2 2 SIDE KEY CN604 2 1 KBC_1 2 1 KBC_0 4 3 KBR(0) KBC_2 4 3 6 5 KBR(2) 6 5 KBR(1) 8 7 KBC_3 8 7 KBR(3) R605 0 10 9 MIC+ 10 9 MIC- 12 11 LED+ LED+ 12 11 14 13 LED- 14 13 LED- 16 15 TSMY 16 15 TSM X
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 9 . L e d I n d icato r P ar t LE D I n d i cator does n ot w or k Ye s C h eck the pi n 2 of No Check U1 08 Q6 01 , Q602, Q6 03 , Q605 b y Factory T e st P rogram is "High " Ye s C h eck the pi n 3 of No Q6 01 , Q602, Q6 03 , Q605 R e pl ace R 621 , R 62 4 is "High " Ye s No C h eck the pi n 4 of R e p l ace th e U 3 1 4 U31 4 i s "H i gh " Ye s END STATUS LED 2- 14 SAMSUNG Proprietary-Contents may change without notice Th i s Do c u m e nt c
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g 1 0 . B ack lig h t P ar t Back l i gh t d oe s n ot w o rk Ye s No Back l i gh t " O N " m od e i n Se l e ct b ack l i gh t " O N " m od e th e m e n u ? Ye s No pi n 1 , 2 o f U3 19 = Che ck U10 8 "Hi gh" ? usi n g F actor y T e st P rog ram Ye s Ch e ck th e conn e c t i on No from CN 60 4 to Main R e p l ace M ai n k e y F -P C B key F-P C B Ye s No LC D b ack l i gh t o n ? Rep l ac e LCD M odule Ye s END 2- 15 SAMSUNG Proprietary-Cont
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SGH- I700 F l ow Char t o f T r o ublesh o o tin g 11 . E GSM R eceiv e r C O NT INUOUS RX ON RF INPUT : 6 2 CH AM P : -5 0 d Bm NO NORMAL C O NDITI O N C heck soldered status of catch th e c h a n n e l ? L1 006 , L 100 2 YE S NO F1 00 1 CHE CK CN 7 0 3 pi n 1 5 ≥ - 6 5dB m ? re s o l d e r or ch an ge YE S NO F1 001 C H EC K F 1 001 pi n 1 , 2 ≥ - 6 5 d B m ? re s o l d e r or ch an ge YE S NO C 1 016 .C 10 17 , L1 003 U1 00 2 C H E C K re s o l d e r or ch an ge pi n 2 1, 22 ≥ - 65 dB m ? YE
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SGH- I70 0 F l ow Cha r t o f T r o ubl e s hoot i n g 12 . E GSM T ran smitter F1 001 pi n NO NO C O NT INUS T X ON COND IT I O N F1 0 0 1 U9 01 12 : abo ut TX PO WER D A C: 5 0 0 CO DE pi n1 3 : 2 . 8 V ? ch e ck & ch an ge 2~ 3 d B m? AP PLI ED CH:62 YE S RBW : 1 0 0 K H z YE S VBW : 10 0KHz YE S S PAN : 10M Hz RE F L E V . : 1 0 d B m NO Betwe en ATT . : 2 0dB C N 70 3, C 1 038 F1001&C1043: ch e ck & c h an ge ≒4~5dBm? F1 0 0 1 ch e ck & ch an g e NO C1 0 3 1 : BATT ERY , U70 1 3. 7V ? ch e
