Samsung SGH-N500 Скачать руководство пользователя

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3-5

SGH-N500 Electrical Parts List

NO SEC CODE Reference

Part Description

Vendor Part No.

2203-000679

C262

0.027nF,5%,50V,NP0,TP,1005

CM05CG270J50AH

2203-000812

C263

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C264

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000679

C267

0.027nF,5%,50V,NP0,TP,1005

CM05CG270J50AH

2203-000679

C269

0.027nF,5%,50V,NP0,TP,1005

CM05CG270J50AH

2203-000438

C270

1nF,10%,50V,X7R,TP,1005,-

CM05X7R102K50AH

2203-005061

C301

100nF,+80-20%,16V,Y5V,TP,1005

CM05Y5V104Z16AH

2203-000233

C305

0.1nF,5%,50V,NP0,TP,1005

CM05CG101J50AH

2404-001105

C306

10UF,20%,6.3V,GP,TP,2012

TCSCS0J106MPAR

2203-000254

C307

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000254

C309

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000812

C310

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C311

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C312

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000254

C313

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-005065

C318

80-20%,10V,Y5V,TP,1608

CL10F105ZONC

2203-000254

C319

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000254

C326

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000812

C327

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2404-001105

C328

10UF,20%,6.3V,GP,TP,2012

TCSCS0J106MPAR

2203-003054

C329

0.009nF,0.25pF,50V,NP0,TP,1005

CM05CG9R0C50AH

2203-000812

C330

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000254

C331

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-005061

C332

100nF,+80-20%,16V,Y5V,TP,1005

CM05Y5V104Z16AH

2203-000254

C335

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000254

C354

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000330

C401

0.012nF,5%,50V,NP0,TP,1005

CM05CG120J50AH

2203-005061

C427

100nF,+80-20%,16V,Y5V,TP,1005

CM05Y5V104Z16AH

2203-005065

C431

80-20%,10V,Y5V,TP,1608

CL10F105ZONC

2203-000254

C434

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2404-001134

C436

100UF,20%,6.3V,LZ,TP,4028

595D107X06R3B2T

2203-000812

C437

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C438

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C439

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000254

C440

10nF,10%,16V,X7R,TP,1005,-

CM05X7R103K16AH

2203-000812

C441

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C442

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000812

C443

0.033nF,5%,50V,NP0,TP,1005

CM05CG330J50AH

2203-000679

C444

0.027nF,5%,50V,NP0,TP,1005

CM05CG270J50AH

2203-000679

C445

0.027nF,5%,50V,NP0,TP,1005

CM05CG270J50AH

2404-001151

C446

33UF,20%,6.3V,-,TP,3718

F950J336MAAGZT

2203-000995

C447

0.047nF,5%,50V,NP0,TP,1005

CM05CG470J50AH

Содержание SGH-N500

Страница 1: ... BAND Mobile Cellular Phone SGH N500 Manual DUAL BAND MOBILE CELLULAR PHONE CONTENTS 1 Exploded Views and Parts List 2 PCB Diagrams 3 Electrical Parts List 4 Block Diagrams 5 Flow Chart of Troubleshooting and Circuit Diagrams ...

Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 1 2002 Rev 1 0 GH68 02684A ELECTRONICS ...

Страница 3: ...ain Bottom 3 Electrical Parts List 3 1 Main Parts List Top 3 2 Main Parts List Bottom 4 Block Diagrams 4 1 Main Baseband 4 2 Main RF 4 2 1 RF Transmit Part 4 2 2 RF Receive Part 5 Flow Chart of Troubleshooting and Circuit Diagrams 5 1 Power ON 5 2 Initial 5 3 Charging Part 5 4 Sim Part 5 5 Microphone Part 5 6 Speaker Part 5 7 Key Data Input 5 8 Alert Tone 5 9 Ring Indicator 5 10 Back Light 5 11 GS...

Страница 4: ...SGH N500 Exploded Views and Parts List 1 1 1 SGH N500 Exploded Views and Parts List 1 1 Main 2 3 4 1 5 7 8 9 6 1 6 2 10 11 12 6 13 ...

Страница 5: ... GH43 00463C GH43 00463B UK Silver Black Navy Blue Dark Gray SEC Code 1 2 1 the Continent of Europe No Description Remark MEC FRONT ASSY GH75 01413E GH75 01413F GH75 01413G Dark Silver Fine Gold Warm Silver SEC Code 1 2 2 the Continent of Asia MAIN PBA GH92 01271A GH92 01271A GH92 01271A GH92 01271A 13 SCREW 6001 001346 6001 001346 6001 001346 6001 001346 1 MEC KEYPAD GH75 01415A GH75 01415A GH75 ...

Страница 6: ...500 Exploded Views and Parts List 1 3 1 4 Travel Adapter Parts List TYPE SEC CODE REMARK A GH44 00171A CHINA B GH44 00184A EUROPE C GH44 00171C UNITED KINGDOM D Gh44 00171E TAIWAN 1 3 Travel Adapter A B C D ...

Страница 7: ...1 4 1 5 Ciger Light Adapter SGH N500 Exploded Views and Parts List 1 6 Ciger Light Adapter Parts List DESCRIPTION SEC CODE REMARK Ciger Light Adapter Code GH44 00170A BLACK ...

Страница 8: ...1 5 SGH N500 Exploded Views and Parts List 1 7 Test Jig TEST JIG GH80 10508A TEST JIG CABLE GH39 00079A RF CABLE GH39 00135A ...

Страница 9: ...1 6 SGH N500 Exploded Views and Parts List 1 7 1 Test Jig DC POWER SUPPLY 232 CABLE TEST JIG CABLE RF CABLE 8922 or 8960 WIRELESS COMMVNCAATIONS TEST SET Note PC ...

Страница 10: ...SGH N500 Exploded Views and Parts List 1 7 1 8 EAR Microphone EAR MICROPHONE GH59 00168A 1 9 Data Kit DATA KIT GH39 00078A 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...

Страница 11: ...SGH N500 PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...

Страница 12: ...SGH N500 PCB Diagrams 2 2 2 2 Main Bottom ...

Страница 13: ... 2203 005444 C404 0 003nF 0 1pF 50V NP0 TP 1005 CL05C030BBNC 19 1405 001093 D421 14V 20A 1x0 5x0 6mm TP VC040214X300 20 2203 000236 D420 0 1nF 5 50V NP0 TP 1608 CL10C101JBNC 21 2203 000236 D419 0 1nF 5 50V NP0 TP 1608 CL10C101JBNC 22 2007 001292 R727 33ohm 5 1 16W DA TP 1005 MCR01MZSJ330 23 0504 001012 Q408 DTC114YE NPN 150MW 10K 47K EMT3 TP DTC114YE 24 2203 000679 C758 0 027nF 5 50V NP0 TP 1005 C...

Страница 14: ...1 1X0 8MM 468NM SLS NNBL102TS 58 0601 001547 D431 CHIP BLUE 1 1X0 8MM 468NM SLS NNBL102TS 59 2007 000139 R572 220ohm 5 1 16W DA TP 1005 RC1005J221CS 60 2007 000139 R574 220ohm 5 1 16W DA TP 1005 RC1005J221CS 61 2007 000139 R725 220ohm 5 1 16W DA TP 1005 RC1005J221CS 62 2007 000172 R742 10ohm 5 1 16W DA TP 1005 RC1005J100CS 63 2007 000172 R743 10ohm 5 1 16W DA TP 1005 RC1005J100CS 64 2007 007015 R7...

Страница 15: ... 50V X7R TP 1005 CM05X7R102K50AH 92 2007 000172 R740 10ohm 5 1 16W DA TP 1005 RC1005J100CS 93 2007 000172 R741 10ohm 5 1 16W DA TP 1005 RC1005J100CS 94 2007 000142 R402 2 7Kohm 5 1 16W DA TP 1005 RC1005J272CS 95 2203 000812 C664 0 033nF 5 50V NP0 TP 1005 CM05CG330J50AH 96 2203 000679 C764 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 97 2203 000679 C774 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 98 2203 ...

Страница 16: ...0 10nF 10 16V X7R TP 1005 CM05X7R103K16AH 20 2203 000438 C211 1nF 10 50V X7R TP 1005 CM05X7R102K50AH 21 2203 000359 C212 0 15nF 5 50V NP0 TP 1005 CM05CG151J50AH 22 2203 001017 C213 0 004nF 0 25pF 50V NP0 TP 1005 CM05CG4R0C50AH 23 2203 002668 C214 0 0005nF 0 1pF 50V NP0 TP 1005 C1005C0G1H0R5BT 24 2203 001153 C215 0 068nF 5 50V NP0 TP 1005 CM05CG680J50AH 25 2203 000628 C217 0 022nF 5 50V NP0 TP 1005...

Страница 17: ...1005 CM05CG330J50AH 60 2404 001105 C328 10UF 20 6 3V GP TP 2012 TCSCS0J106MPAR 61 2203 003054 C329 0 009nF 0 25pF 50V NP0 TP 1005 CM05CG9R0C50AH 62 2203 000812 C330 0 033nF 5 50V NP0 TP 1005 CM05CG330J50AH 63 2203 000254 C331 10nF 10 16V X7R TP 1005 CM05X7R103K16AH 64 2203 005061 C332 100nF 80 20 16V Y5V TP 1005 CM05Y5V104Z16AH 65 2203 000254 C335 10nF 10 16V X7R TP 1005 CM05X7R103K16AH 66 2203 00...

Страница 18: ...203 000438 C562 1nF 10 50V X7R TP 1005 CM05X7R102K50AH 103 2203 000679 C569 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 104 2203 000466 C575 0 001nF 0 25pF 50V NP0 TP 1005 CM05CG1R0J50AH 105 2404 001134 C579 100UF 20 6 3V LZ TP 4028 595D107X06R3B2T 106 2203 000438 C580 1nF 10 50V X7R TP 1005 CM05X7R102K50AH 107 2203 000696 C582 0 002nF 0 25pF 50V NP0 TP 1005 CM05CG2R0C50AH 108 2203 000254 C587 10nF 1...

Страница 19: ...TP 1005 CM05CG270J50AH 144 2203 000254 C763 10nF 10 16V X7R TP 1005 CM05X7R103K16AH 145 2203 000679 C766 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 146 2203 000679 C767 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 147 2203 000812 C769 0 033nF 5 50V NP0 TP 1005 CM05CG330J50AH 148 2203 000233 C770 0 1nF 5 50V NP0 TP 1005 CM05CG101J50AH 149 2203 000679 C771 0 027nF 5 50V NP0 TP 1005 CM05CG270J50AH 150 2404...

Страница 20: ...86 0505 001570 Q102 N P 0 4W SC70 6 SI1865DL T1 187 0505 001570 Q402 N P 0 4W SC70 6 SI1865DL T1 188 0501 000162 Q403 2SA1576 PNP 200MW SOT 323 TP 180 390 STA1576G 189 0502 001201 Q405 ZXT13P20DE6 PNP 1100MW SOT 23 6 TP 300 900 ZXT13P20DE6TA 190 0504 001012 Q406 DTC114YE NPN 150MW 10K 47K EMT3 TP DTC114YE 191 0504 001012 Q407 DTC114YE NPN 150MW 10K 47K EMT3 TP DTC114YE 192 0505 001570 Q410 N P 0 4...

Страница 21: ...1005 RC1005J103CS 228 2007 000152 R429 20Kohm 5 1 16W DA TP 1005 RC1005J203CS 229 2007 000162 R430 100Kohm 5 1 16W DA TP 1005 RC1005J104CS 230 2007 000162 R432 100Kohm 5 1 16W DA TP 1005 RC1005J104CS 231 2007 000141 R433 2 2Kohm 5 1 16W DA TP 1005 RC1005J222CS 232 2007 000141 R434 2 2Kohm 5 1 16W DA TP 1005 RC1005J222CS 233 2007 000148 R435 10Kohm 5 1 16W DA TP 1005 RC1005J103CS 234 2007 000162 R4...

Страница 22: ...1 16W DA TP 1005 RC1005J100CS 270 2007 000172 R578 10ohm 5 1 16W DA TP 1005 RC1005J100CS 271 2007 000162 R579 100Kohm 5 1 16W DA TP 1005 RC1005J104CS 272 2007 000162 R583 100Kohm 5 1 16W DA TP 1005 RC1005J104CS 273 2007 000140 R584 1Kohm 5 1 16W DA TP 1005 RC1005J102CS 274 2007 008117 R594 2 7Kohm 1 1 16W DA TP 1005 RK73H1ETP2701F 275 2007 000148 R604 10Kohm 5 1 16W DA TP 1005 RC1005J103CS 276 200...

Страница 23: ...6 1203 001204 U470 2981 SOT 23 5P 59MIL PLASTIC 3 LP2981AIM5X 3 3 307 0505 001376 U474 FDC6329L N P 8V 2 5A 0 7W SC 74 SI3865DV T1 308 1203 002247 U475 S 809 SOT 23 5 5P 150MW 40TO 85C 50MA TP S 80926ALMP DAP T2 309 1201 001785 U476 08122 8P DUAL 34DB 7V 25TO 100C PF08122B 310 0504 001058 U492 RN4985 NPN PNP 200mW 2 2Kohm 47Kohm UMD6 TP RN4985 TE85L 311 0504 001058 U493 RN4985 NPN PNP 200mW 2 2Koh...

Страница 24: ...mperature 3VTX XVCC RTC_3V3 Serial Data Interface I O Interface A D Interface AGC AFC PLL LOAD SWITCH Charging Circuit Li Ion Battery Standard ONE C VIBRATOR SYSTEM CLOCK 13MHz SRAM FLASH2 EEPROM RTC_CLOCK 32 768KHz KEYPAD SIM CARD SPEAKER MIC LCD BB INTERFACE RF INTERFACE ALERT_VCC AVCC VDD 3VRF FLASH1 ...

Страница 25: ... 4 MHz 1080 MHz DCS 270 MHz EGSM 540 MHz I Q Mod 45 MHz 270 MHz EGSM 270 MHz DCS 135 MHz Phase Detector TX VCO U200 EGSM 880 915 MHz CH62 902 4 MHz DCS 1710 1785 MHz CH698 1747 4 MHz F204 HD155128TF U454 F200 C212 L200 VP40575 U618 1st Dual SAW Filter F203 LNA Serial data Interface Loop Filter U624 Dual PAM U476 VCTCXO 13MHz U100 PLL1 PLL2 SI4133 XM2 U478 RF VCO IF VCO 1 2 1 2 90 deg Shift 1 2 1 6...

Страница 26: ... VCO 1080MHz PLL1 PLL2 RF VCO AFCDAC 10 23 15 880 915MHz EGSM 890 915MHz PGSM 1710 1785MHz DCS HD155128TF U454 Antenna S W U203 VP40553 2 U647 TXEN1 RAMPDAC BAND Selection GSM Low DCS High ITXP ITXN QTXP QTXN Loop Filter TX VCO U200 Dual PAM U476 TXEN1 BAND Selection RAMPDAC 17 18 19 20 38 35 30 47 23 11 15 3 7 10 6 8 1 5 4 2 5 3 1080 MHz 3VTX TXEN2 4 9 5 8 VC1 VC2 2 11 8 RF Conector CN1 10 1080 M...

Страница 27: ... 1 8 7 5 53 54 2 3 49 50 1 2 5 6 40 41 27 SDATA SCLK SYNEN1 EGSM 1150 1185 MHz DCS 1580 1655 MHz 26 25 24 32 33 44 43 4 3 6 10 10 23 2nd Dual SAW Filter F204 RF Conector CN1 1080 MHz VCTCXO 13MHz U100 PLL1 PLL2 SI4133 XM2 U478 RF VCO IF VCO 2 3 Antenna S W U203 DCS Path EGSM Path 50dBm 947 067 MHz 50dBm 1842 467 MHz 51dBm 32dBm 34dBm 38dBm 52dBm 43dBm 6dBm 1172 MHz 9dBm 1617 4 MHz 5dBm 540 MHz 25d...

Страница 28: ...e than 3 2V No Yes Yes Replace Keypad When the END key is pressed the voltage of D304 pin1 3 6V No Yes U474 pin 2 3 3 2V Check the circuit related to U474 No END U623 pin5 3 0 V Check the circuit related to U623 No Yes Check the initial operation U622 pin5 3 0 V Check U622 and related circuit No Yes Check for the clock signal at R107 Check the clock generation circuit related to U100 and Q100 No Y...

Страница 29: ...RT_VCC 10NF 100uF H403 C326 10NF C307 C536 10NF AVCC C318 1UF 10NF C587 10UF 6 3V C750 H405 BAT1 H404 RB414 1UF C753 10UF 6 3V C306 10UF C535 H407 H409 LP2981AIM5X 3 0 U622 2 GND NC 4 3 ON OFF 1 VIN VOUT 5 D441 MCL4154 10NF C319 NC 4 3 ON OFF VIN 1 5 VOUT R1 C1 6 1 R2 4 S2 U623 LP2981AIM5X 3 0 GND 2 SI3865DV U474 2 D2 3 D2 5 ON OFF 10UF 6 3V C328 100NF C427 LP2981AIM5X 3 3 U621 GND 2 NC 4 3 ON OFF...

Страница 30: ...D No Downloading SW is OK Is CSROM signal OK The node between R661 and C712 H RST No Check the circuit related to reset R348 H BOOT No Resolder R348 Yes R440 H MSIZE No Resolder R440 Yes R438 L EXTPROC No Resolder R438 Yes Replace PBA Check all the other connection by Test S W Check the circuit around LCD Check the circuit around U617 EEPROM and data stored in it Yes ...

Страница 31: ...SGH N500 Flow Chart of Troubleshooting and Circuit Diagrams 5 4 U467 U475 U466 VCC VCC R661 C712 R348 R440 R552 VCC SIM_5V3V SIMPWDN_BOOT F_WP F_WP F_VCCW SYSRST GPIO3 MSIZE GPO2 Q403 R551 CSRAM _CE ...

Страница 32: ...ams 5 5 5 3 Charging Part Abnormal charging part Replace TA Check the J403 pin 17 18 4 9 V No Yes Yes Check the U614 pin 3 4 9 V Resolder C710 Yes No R594 CHG_ON side L Resolder R594 Yes No Resolder components around U614 Check the U614 pin 5 4 2V END Yes No ...

Страница 33: ...ng and Circuit Diagrams 5 6 1 2 5 6 4 ZXT13P20DE6 Q405 3 100NF C711 82K 1 R659 R658 100K 1 6 3V 10UF 10V C708 10UF C710 GND 2 1 ISENSE PROG 4 3 VCC 5 VSENSE 2 7K 1 R594 BAT_VOLT U614 LTC1734ES6 4 2 TR DRIVE 6 DCVOLT CHG_ON VBATT I_CHARGE ...

Страница 34: ...erial EEPROM and data stored in it Yes Phone can t access SIM card Yes Q402 pin 2 3 3 0 V Replace Q402 or Resolder C434 Yes No After Power ON Check SIMCLK Signal on J402 pin 3 in a few second After SIM card insert J402 pin 2 H SIMRST Resoldering C718 or Replace PBA Yes No No Q402 pin4 3 0 V Yes No Check the circuit around U623 Resoldering C770 or Replace PBA ...

Страница 35: ... 5 3 2 1 SIM CONNECTOR GND CLK RST VCCSIM SIMDATA VPP C770 100PF J402 5 5 J402 6 6 BLM10A121S L607 3 J402 4 4 1 J402 2 2 J402 3 C719 J402 1 100PF 3 5 ON OFF R1 C1 6 R2 1 S2 4 SIMVCC C718 100PF VCC Q402 SI1865DL D2 2 D2 C434 10NF 1UF C431 SIMPWREN SIMCLK SIMDATA SIMRST R430 100K ...

Страница 36: ...ophone does not work Resoler U400 U400 pin 4 5 short U622 pin 3 AVCC 3 0V Check the circuit from U467 to MIC1 Check the circuit related to U622 END Resolder the R444 R445 R446 R447 C446 C450 C451 Yes No Yes Yes Yes No No Check the tension of MIC Module Replace the Mic or Mic Holder No Yes ...

Страница 37: ...SGH N500 Flow Chart of Troubleshooting and Circuit Diagrams 5 10 U400 MIC1 U467 PWI1P PWI1N MIC MIC 1 5 4 MIC MIC RC FILTER ...

Страница 38: ... Diagrams 5 11 5 6 Speaker Part Speaker does not work Yes U400 pin 2 3 short Resoler U400 U400 pin 2 3 6 1 25 V No No Replace the PBA Yes Yes Modify the SPK pins Check the tension of the Speaker Is Speaker working Replace the Speaker END No Yes Yes No ...

Страница 39: ...5 12 SGH N500 Flow Chart of Troubleshooting and Circuit Diagrams U400 SPK300 U467 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...

Страница 40: ...low Chart of Troubleshooting and Circuit Diagrams 5 7 Key Data Input Check Initial operation Replace the Keypad When one of the keys is pushed is it displayed on LCD Keypad is OK END Replace the PBA Yes No Yes Yes No ...

Страница 41: ... tone ALERT by Test S W Is there alert wave form on the R305 during alert tone test Is there alert wave form on the Q300 pin 3 during alert tone test U470 pin 5 3 3V Check the circuit related to Q300 END Check the circuit related to U470 Yes No Yes Yes No No Buzzer is ok Change the Buzzer Yes No ...

Страница 42: ... 15 SGH N500 Flow Chart of Troubleshooting and Circuit Diagrams BUZ BUZ 3 D302 DAN222TL From U470 pin 5 From U467 ALERT 1 2 R304 100K RTC_3V3 R305 3 3K Q300 2SD2114KT146V BRT 03S BUZ300 100NF C308 1 3 2 ...

Страница 43: ...icator LED does not work Check the circuit related to U621 U621 pin 3 3 0V Is Green color of 3 LEDs correctly work Is Red color LED of 3 LEDs correctly work Check Q408 R727 LED1 END Check Q407 R726 LED1 Yes No Yes Yes No No Is Blue color LED of 3 LEDs correctly work No Check Q406 R728 LED2 Yes ...

Страница 44: ...low Chart of Troubleshooting and Circuit Diagrams 5 17 R727 33 220 R726 Q408 DTC114YE 2 3 1 DTC114YE Q407 2 3 1 Q406 DTC114YE 2 3 1 R728 56 LED1 CL 165HR YG D SLS NNBL102TS LED2 ALERT_VCC BLUE_RI RED_RI GREEN_RI ...

Страница 45: ...N mode Backlight ON mode in the menu R575 H GPO1 by test S W No Yes Yes No Resolder R575 R579 or replace U620 U620 pin 3 L LCD backlight on Replace LCD No Yes No LCD BACKLIGHT KEY PCB LED Resolder R575 R579 or resolder U625 U620 pin 3 L No Yes Yes END Key PCB LED on Resolder R747 R572 R748 R749 R574 R750 R725 U619 or Replace PBA No ...

Страница 46: ...SGH N500 Flow Chart of Troubleshooting and Circuit Diagrams 5 19 U620 U467 R575 R579 KeyPAD LED 4 CON1 LCD LED 17 GPO1 ...

Страница 47: ...m Resolder CN1 Resolder U203 Pin 10 65 dBm Check VC1 L VC2 L Resolder F203 Resolder C234 L209 C596 L218 C582 C732 R220 Resolder F204 C722 L204 C600 Check C481 CH 225MHz 20 dBm C137 1080MHz 20 dBm Resolder U478 Resolder F200 C698 C699 C494 C215 C213 L201 R223 L212 L213 C242 L201 U454 Pin 24 25 26 27 40 mV Resolder OneC U467 U454 Check U454 Pin 32 33 2 5 V Pin 35 0 5 V Resolder U454 Pin 32 33 35 Res...

Страница 48: ... Resolder U625 C264 Resolder C204 R214 R217 R753 R203 Resolder U478 U454 pin 30 47 10 dBm Check U454 Pin 38 2 5 V Pin 35 0 5 V Resolder U454 Pin35 Pin38 Check U618 Resolder U618 No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Check Ant S W Control Circuit Check U476 VBATT Pin 2 APC OK Resolder or Change U476 Yes Check VBATT or APC Control No U454 Pin 17 18 19 20 40 mV Resolder OneC ...

Страница 49: ...Resolder CN1 Resolder U203 Pin 1 65 dBm Check VC1 L VC2 L Resolder F203 Resolder F204 C721 L595 C413 Check C481 CH 225MHz 20 dBm C137 1080MHz 20 dBm Resolder U478 U454 Pin 24 25 26 27 40 mV Resolder OneC U467 U454 Check U454 Pin 32 33 2 5 V Pin 35 2 5 V Resolder U454 Pin 32 33 35 Resolder U467 No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Resolder C248 L594 C214 R224 L4...

Страница 50: ...U203 Resolder U318 C263 Resolder C217 R212 R211 R754 R204 U454 Pin 17 18 19 20 40 mV Resolder OneC U618 Check U454 Pin 38 Pin 35 2 5 V Resolder U454 Pin35 Pin38 Check U618 Resolder U618 No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Check Ant S W Control Circuit Check U476 VBATT Pin 2 APC OK Resolder or Change U476 Yes Check VBATT or APC Control No Yes Resolder U478 U454 pin 30 47 10 dBm ...

Страница 51: ...5 8 IFLA 19 20 IFLB 23 IFOUT 13 PWDNB RFLA 6 5 RFLB 3 RFLC GNDD2 14 GNDI 22 21 GNDI1 GNDR 4 9 GNDR1 GNDR2 7 28 GNDR3 1 GNDR4 U478 SI4133G XM2R AUXOUT 12 29 GND4 GND5 30 31 GND6 32 GND7 18 GNDD GNDD1 16 10K 10K R101 560 R117 R582 R106 1K L404 10nH C137 560PF 220PF C114 560PF C481 C110 220PF C112 220PF 220PF C111 C126 1NF R102 10 1 10NF C101 Q100 2SC4617 2 3 1K C102 10NF NC R107 SCLK 3VRF C768 XVCC ...

Страница 52: ...DIFLO 28 4 1 3 U454 HD155128TF BAND 35 NFM39R12C471T1 E200 2 R123 NC 33PF C234 NC C704 C232 27PF L218 6 8nH C757 27PF C777 1UF 27PF L200 82nH 10 4 SAVE 7 SELECT SUPPLY 5 C759 3 1 GND GND 2 8 GND GND 9 11 GND GND 12 OUT1 6 OUT2 C732 33PF U200 VOF1748C28KRF CONTROL 27PF C200 L213 47nH 10 R224 300 R212 1NF C562 C201 5 6nH L406 NC 22NF L201 68nH 15nH C203 10NF L211 C210 24 27PF C262 R217 2PF C722 R753...

Страница 53: ...R618 1 8K C774 27PF 3 1 R679 68 U209 DTC114YE 2 1NF R238 10K C264 33PF C720 L612 33nH C267 27PF C237 22PF 2 5 6 3 1 4 RN4985 U493 100PF L596 3 3nH L408 33nH C658 U624 1 C OUT GND 2 4 IN OUT 3 C270 1NF DCS214E 1747 C713 47PF 100PF C144 27PF C764 C249 220UF R651 10K C657 120PF C665 27PF C664 33PF 4 R617 10K 1 U492 RN4985 2 5 6 3 1 G 9 G 12 G 10 GSM_RX 5 GSM_TX 2 VC1 VC2 11 ANT 8 DCS_RX 1 DCS_TX 3 G ...

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