Samsung SGH-R220 Service Manual Download

Page: 54 / 55

Flow Chart of Troubleshooting and Circuit Diagrams

5-25

(GSM)

(DCS)

SEM

Film Cap

2012

X7R

2012

SEM

C728

10PF

C206

1NF

C240

C227

1NF

C725

10NF

100

R200

OUT

C202

470PF

F200

855844

C600

1.8PF

68PF

C494

R217

R220

10NF

C238

C211

1NF

82nH

L200

R221

C234 33PF

27PF

C232

C200

33PF

C204

10NF

C210

L212

47nH

C413

OUT2

22K

R213

IN1

IN2

OUT1

F204

B4215

C727

2.2PF

7PF

C755

0.5PF

C214

C217

33PF

C212

150PF

C239

C201

10PF

C235

15PF

6PF

C248

C704

R123

E200

NFM39R12C471T1

R223

2.2K

R224

IN1

IN2

OUT1

OUT2

B4215

F203

1NF

C138

3.3nH

L594

L209

8.2nH

L406

5.6nH

C754

7PF

120

R211

R210

15nH

L211

L204

12nH

L595

4.7nH

C262 27PF

1.2PF

C596

220

R203

R739

1NF

C580

10K

L218

8.2nH

R723

0.5PF

C242

VCOIN

270

R218

VCCCOMP

VCCCTRL

VCCIF

VCCIFLO

VCCIQ

VCCMIX

VCCPLL/LNA

VCCRELO

QIN

QINB

QOUT

QOUTB

RESET

RFLOIN

SDATA

TESTOUT

MIX2OUT

MIX2OUTB

PLLOUT

POONRX1

POONRX2

POONTX

IOUTB

MIX1DCSIN

MIX1DCSINB

MIX1GSMIN

MIX1GSMINB

MIX1OUT

MIX1OUTB

ICURAD

IFDIVSEL

IFIN

IFINB

IFLOIN

IIN

IINB

IOUT

GNDIF

GNDIFLO

GNDIQ

GNDMIX

GNDPLL/LNA

GSMB

GSMC

GSME

U454

BAND

CLK

DCSB

DCSC

DCSE1

DCSE2

GNDCTRL

39PF

HD155128TF

C220

1UF

C698

68nH

L201

R202

C556

1NF

C203

22NF

1NF

C229

C758

33PF

C261 1NF

1NF

C557

C562

1NF

220

R204

C582 2PF

47nH

L213

R569

C575

1PF

7PF

C753

C699

C752

27PF

3.3PF

39PF

OUT1

OUT2

VCC

C213

U200

V0F1748C28KRFV0F1748C28KRF

1NF

C221

C721

2.7PF

1NF

C230

68PF

C215

DCSTX

GSMTX

TXEN1

3VRF

3VBANDSEL

3VRF

GSMRX

DCSRX

AGC_EN

IRXN

IRXP

ITXN

ITXP

SCLK

IFLO

3VTXEN1

RFLO

RXEN1

SDATA

QRXN

QRXP

QTXN

QTXP

Summary of Contents for SGH-R220

Page 1: ... BAND Mobile Cellular Phone SGH R220 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 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 02128B ...

Page 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...

Page 4: ...Exploded Views and Parts List 1 1 1 Exploded Views and Parts List 1 1 Main ...

Page 5: ... 02984A SA 3 MAIN PBA GH92 01202A GH92 01202A GH92 01202A SA 4 BUZZER 3002 001098 3002 001098 3002 001098 SA 5 DISPLAY LCD GH07 00075B GH07 00075B GH07 00075B SA 6 I F COVER GH73 00758A GH73 00758B GH73 00758C SA 7 MEC REAR COVER GH75 01165A GH75 01165B GH75 01165C SA 7 1 REAR COVER GH72 02674A GH72 02674B GH72 02674C SNA 7 2 VIBRATOR GH31 00019A GH31 00019A GH31 00019A SA 7 3 BRACKET ANT GH71 005...

Page 6: ...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 ...

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

Page 8: ...1 5 Exploded Views and Parts List 1 7 Test Jig TEST JIG GH80 10508A TEST JIG CABLE GH39 00079A RF CABLE GH39 00090A ...

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

Page 10: ...Exploded Views and Parts List 1 7 1 8 EAR Microphone EAR MICROPHONE GH59 00225B 1 9 Data Kit DATA KIT GH39 00078A 1 10 Battery Charger BATTERY CHAGER GH44 00221A ...

Page 11: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...

Page 12: ...PCB Diagrams 2 2 2 2 Main Bottom ...

Page 13: ...Ó 0502 001201 Q405 TR POWER ÒZXT13P20DE6 PNP 1100MW SOT 23 6Ó 0504 000167 Q409 TR DIGITAL ÒRN1102 NPN 100MW 10K 10K SSM TPÓ 0504 000167 U615 TR DIGITAL ÒRN1102 NPN 100MW 10K 10K SSM TPÓ 0504 001012 Q406 TR DIGITAL ÒDTC114YE NPN 150MW 10K 47K EMT3 TPÓ 0504 001012 Q407 TR DIGITAL ÒDTC114YE NPN 150MW 10K 47K EMT3 TPÓ 0504 001012 Q408 TR DIGITAL ÒDTC114YE NPN 150MW 10K 47K EMT3 TPÓ 0504 001012 U209 TR...

Page 14: ...002127 U614 IC BATTERY Ò1734 SOT 23 6P 150MIL PLASTICÓ 1203 002247 U475 IC VOL DETECTOR ÒS 809 SOT 23 5 5P 150MWÓ 1205 001881 U618 IC COMM CONTROLLER ÒVP40575 BGA 180P 472MIL PLASTICÓ 1205 001935 U454 IC TRANSCEIVER ÒHD155128TF TP 56P 3V 400mWÓ 1209 001337 U478 IC PLL SYNTHESISER ÒSI4133G XM2R LCC 28PÓ 1209 001379 U611 ÒIC ETC LINEARÓ ÒHD155173ANPEL 16P 3 4VÓ 1404 001005 TH1 THERMISTOR NTC Ò47Kohm...

Page 15: ... R238 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R240 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R241 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R303 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R313 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R315 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R348 R CHIP Ò10Kohm 5 1 16W DA TP 1005Ó 2007 000148 R424 R CHIP Ò10Kohm 5 1 16W DA TP 1...

Page 16: ...07 000162 R605 R CHIP Ò100Kohm 5 1 16W DA TP 1005Ó 2007 000162 R606 R CHIP Ò100Kohm 5 1 16W DA TP 1005Ó 2007 000168 R440 R CHIP Ò470Kohm 5 1 16W DA TP 1005Ó 2007 000168 R735 R CHIP Ò470Kohm 5 1 16W DA TP 1005Ó 2007 000172 R220 R CHIP Ò10ohm 5 1 16W DA TP 1005Ó 2007 000172 R224 R CHIP Ò10ohm 5 1 16W DA TP 1005Ó 2007 000172 R577 R CHIP Ò10ohm 5 1 16W DA TP 1005Ó 2007 000172 R578 R CHIP Ò10ohm 5 1 16...

Page 17: ...TP 1005Ó 2007 007318 R456 R CHIP Ò1Kohm 1 1 16W DA TP 1005Ó 2007 007318 R457 R CHIP Ò1Kohm 1 1 16W DA TP 1005Ó 2007 007318 R458 R CHIP Ò1Kohm 1 1 16W DA TP 1005Ó 2007 007318 R459 R CHIP Ò1Kohm 1 1 16W DA TP 1005Ó 2007 007590 R659 R CHIP Ò82Kohm 1 1 16W DA TP 1005Ó 2007 007771 R319 R CHIP Ò0OHM 5 1 16W DA TP 1005Ó 2007 007771 R401 R CHIP Ò0OHM 5 1 16W DA TP 1005Ó 2007 007771 R733 R CHIP Ò0OHM 5 1 1...

Page 18: ...nF 10 16V X7R TP 1005 Ó 2203 000254 C712 ÒC CERAMIC CHIPÓ Ò10nF 10 16V X7R TP 1005 Ó 2203 000254 C725 ÒC CERAMIC CHIPÓ Ò10nF 10 16V X7R TP 1005 Ó 2203 000254 C744 ÒC CERAMIC CHIPÓ Ò10nF 10 16V X7R TP 1005 Ó 2203 000254 C745 ÒC CERAMIC CHIPÓ Ò10nF 10 16V X7R TP 1005 Ó 2203 000278 C206 ÒC CERAMIC CHIPÓ Ò0 01nF 0 5pF 50V NP0 TP 1005Ó 2203 000278 C239 ÒC CERAMIC CHIPÓ Ò0 01nF 0 5pF 50V NP0 TP 1005Ó 22...

Page 19: ...F 5 50V NP0 TP 1005Ó 2203 000679 C665 ÒC CERAMIC CHIPÓ Ò0 027nF 5 50V NP0 TP 1005Ó 2203 000679 C713 ÒC CERAMIC CHIPÓ Ò0 027nF 5 50V NP0 TP 1005Ó 2203 000679 C740 ÒC CERAMIC CHIPÓ Ò0 027nF 5 50V NP0 TP 1005Ó 2203 000679 C741 ÒC CERAMIC CHIPÓ Ò0 027nF 5 50V NP0 TP 1005Ó 2203 000679 C752 ÒC CERAMIC CHIPÓ Ò0 027nF 5 50V NP0 TP 1005Ó 2203 000696 C582 ÒC CERAMIC CHIPÓ Ò0 002nF 0 25pF 50V NP0 TP 1005Ó 22...

Page 20: ...02525 C137 ÒC CERAMIC CHIPÓ Ò0 56nF 10 50V X7R TP 1005Ó 2203 002525 C481 ÒC CERAMIC CHIPÓ Ò0 56nF 10 50V X7R TP 1005Ó 2203 002668 C214 ÒC CERAMIC CHIPÓ Ò0 0005nF 0 1pF 50V NP0 TP 1005Ó 2203 002668 C242 ÒC CERAMIC CHIPÓ Ò0 0005nF 0 1pF 50V NP0 TP 1005Ó 2203 003054 C329 ÒC CERAMIC CHIPÓ Ò0 009nF 0 25pF 50V NP0 TP 1005Ó 2203 003054 C444 ÒC CERAMIC CHIPÓ Ò0 009nF 0 25pF 50V NP0 TP 1005Ó 2203 003054 C4...

Page 21: ...065 C748 ÒC CERAMIC CHIPÓ Ò1000nF 80 20 10V Y5V TP 1608Ó 2203 005065 C749 ÒC CERAMIC CHIPÓ Ò1000nF 80 20 10V Y5V TP 1608Ó 2203 005234 C596 ÒC CERAMIC CHIPÓ Ò0 0012nF 0 25pF 50V NP0 TP 1005Ó 2203 005382 C248 ÒC CERAMIC CHIPÓ Ò0 006nF 0 1pF 50V NP0 TP 1005Ó 2203 005383 C753 ÒC CERAMIC CHIPÓ Ò7pF 0 1pF 50V NPO TP 1005 Ó 2203 005383 C754 ÒC CERAMIC CHIPÓ Ò7pF 0 1pF 50V NPO TP 1005 Ó 2203 005383 C755 Ò...

Page 22: ... 0X0 5X0 5MMÓ 2703 001943 L600 INDUCTOR SMD Ò10nH 5 1 0x0 5x0 5mmÓ 2703 001949 L595 INDUCTOR SMD Ò4 7nH 10 1 0x0 5x0 5mmÓ 2703 001950 L204 INDUCTOR SMD Ò12nH 10 1 0x0 5x0 5mmÓ 2703 001952 L209 INDUCTOR SMD Ò8 2nH 5 1 0x0 5x0 5mmÓ 2703 001952 L218 INDUCTOR SMD Ò8 2nH 5 1 0x0 5x0 5mmÓ 2703 001952 L597 INDUCTOR SMD Ò8 2nH 5 1 0x0 5x0 5mmÓ 2703 002209 L212 INDUCTOR SMD Ò47NH 5 1 6X0 8X0 8MMÓ 2703 0022...

Page 23: ...NE Ò6P 2 6PI AG BLK Ó 4302 001119 BAT1 BATTERY LI 2ND Ò3V 0 1MAH 3 1V Ó 4709 001144 U318 COUPLER DIRECTION Ò897 5 1747 5MHZ 19DB 14DB 24DBÓ GH07 00075B LCD LCD SGHR220 LCD ÒUG 12B98 FLHTX A 128X64Ó GH41 00181A PCB PCB SGHR210 MAIN ÒMR500 6L 0 8T 118X155MMÓ GH61 00019A A200 SPRING ANT CONTACT ÒSGH N105 BE CU GLDÓ ...

Page 24: ...0ohm 5 1 16W DA TP 1005Ó RK73K1ETP221J 21 2007 000139 R573 ÒR CHIP 220ohm 5 1 16W DA TP 1005Ó RK73K1ETP221J 22 2007 000139 R572 ÒR CHIP 220ohm 5 1 16W DA TP 1005Ó RK73K1ETP221J 23 2007 000139 R574 ÒR CHIP 220ohm 5 1 16W DA TP 1005Ó RK73K1ETP221J 24 2007 000143 R305 ÒR CHIP 4 7Kohm 5 1 16W DA TP 1005Ó RK73K1ETP472J 25 2007 000148 R238 ÒR CHIP 10Kohm 5 1 16W DA TP 1005Ó RK73K1ETP103J 26 2007 000148 ...

Page 25: ...05Y5V1C104ZT 54 2203 005061 C418 ÒC CERAMIC CHIP 100nF 80 20 16V 1005Ó C1005Y5V1C104ZT 55 2203 005061 C419 ÒC CERAMIC CHIP 100nF 80 20 16V 1005Ó C1005Y5V1C104ZT 56 2203 005061 C420 ÒC CERAMIC CHIP 100nF 80 20 16V 1005Ó C1005Y5V1C104ZT 57 2203 005061 C421 ÒC CERAMIC CHIP 100nF 80 20 16V 1005Ó C1005Y5V1C104ZT 58 2203 005065 C411 ÒC CERAMIC CHIP 1000nF 80 20 10V 1608Ó GRM39Y5V105Z10PT 59 2203 005065 ...

Page 26: ...perature 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 FLASH EEPROM RTC_CLOCK 32 768KHz KEYPAD SIM CARD SPEAKER MIC LCD BB INTERFACE RF INTERFACE ALERT_VCC AVCC VCC 3VRF ...

Page 27: ...80 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 Dual Coupler U318 Dual PAM U476 VCTCXO 13MHz U100 PLL1 PLL2 SI4133 XM2 U478 RF VCO IF VCO 1 2 1 2 90 deg Shift 1 2...

Page 28: ...IF 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 VP405575 U618 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 1 7 2 5 3 1080 MHz 3VTX TXEN2 4 9 5 8 VC1 VC2 2 11 8 RF Conector CN1 10 1...

Page 29: ... 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 1080 MHz 25dBm G ...

Page 30: ...re than 3 2V No Yes Yes Check the Dome sheet 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 U619 pin 5 3 0 V Check the circuit related to U619 No Yes Check the initial operation U620 pin 5 3 0 V Check U620 and related circuit No Yes Check for the clock signal at R107 Check the clock generation circuit related to U100 and ...

Page 31: ... 6 3V C535 D441 MCL4154 U621 LP2981AIM5X 3 3 H403 100UF C579 100NF C427 1 VIN VOUT 5 C751 100NF LP2981AIM5X 3 0 U620 2 GND 4 NC ON OFF 3 100K R583 H400 100PF C305 10UF 6 3V C306 C555 27PF 10NF C307 BAT1 RB414 1K R584 10NF C587 1UF 1UF C749 H401 C318 10NF C319 VCC AVCC GND 2 4 NC ON OFF 3 VIN 1 5 VOUT U619 LP2981AIM5X 3 0 H402 10UF 6 3V C750 LP2981AIM5X 3 3 U470 2 GND 4 NC ON OFF 3 VIN 1 5 VOUT RTC...

Page 32: ...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 ...

Page 33: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 4 U618 U475 U466 VCC VCC R661 C712 R348 R440 R654 VCC SIM_5V3V SIMPWDN_BOOT F_WP F_WP F_VCCW SYSRST GPIO3 MSIZE GPO2 Q404 R655 CSROM _CE ...

Page 34: ... 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 ...

Page 35: ...cuit Diagrams 5 6 4 L ON H OFF ZXT13P20DE6 Q405 3 1 2 5 6 100NF 100K 1 R658 C711 R659 82K 1 6 3V 10UF C708 10V 10UF C710 VSENSE 5 R594 2 7K 1 6 DRIVE 2 GND ISENSE 1 4 PROG VCC 3 DCVOLT CHG_ON VBATT I_CHARGE BAT_VOLT LTC1734ES6 4 2 TR U614 ...

Page 36: ...U617 Serial 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 Replace PBA Yes No No Q402 pin4 3 0 V Yes No Check the circuit around U620 ...

Page 37: ...8 SIM CONNECTOR GND CLK RST VCCSIM SIMDATA VPP J402 6 6 3 J402 4 4 J402 5 5 J402 1 1 J402 2 2 J402 3 100PF C718 C719 100PF R1 C1 1 R2 V C1 1 2 V C1 2 3 VIN R1 4 SIMVCC VCC FDG6323L Q402 ON OFF 5 6 10NF C434 C431 1UF SIMRST 10K R430 SIMPWREN SIMCLK SIMDATA ...

Page 38: ...e does not work Resolder U400 U400 pin 4 5 short U619 pin 5 AVCC 3 0V Check the circuit from U618 to MIC1 Check the circuit related to U619 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 ...

Page 39: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 10 U400 MIC1 U618 PWI1P PWI1N MIC MIC 1 5 4 MIC MIC RC FILTER ...

Page 40: ...rams 5 11 5 6 Speaker Part Speaker does not work Yes U400 pin 2 3 short Resolder 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 ...

Page 41: ...5 12 Flow Chart of Troubleshooting and Circuit Diagrams U400 SPK300 U618 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...

Page 42: ...hart of Troubleshooting and Circuit Diagrams 5 7 Key Data Input Check Initial operation Check the Dome sheet When one of the keys is pushed is it displayed on LCD Keypad is OK END Replace the PBA Yes No Yes Yes No ...

Page 43: ... 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 ...

Page 44: ...5 15 Flow Chart of Troubleshooting and Circuit Diagrams From U470 pin 5 BUZ300 BDT 03S 1 1 2 2 BUZ BUZ From U618 Q300 2SD2114KT146V 1 3 2 C308 100NF 100K R304 DAN222TL D302 3 1 2 RTC_3V3 ALERT 4 7K R305 ...

Page 45: ...r LED does not work Check the circuit related to U621 U621 pin 5 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 ...

Page 46: ...Chart of Troubleshooting and Circuit Diagrams 5 17 ALERT_VCC BLUE_RI RED_RI GREEN_RI LED1 CL 165HR YG D 1 3 1 Q408 DTC114YE 2 3 2 3 1 DTC114YE Q407 2 Q406 DTC114YE R726 390 75 R727 R728 56 SLS NNBD102TS LED2 ...

Page 47: ...e Backlight ON mode in the menu R575 H GPO1 by test S W No Yes Yes No Resolder R575 R579 or replace Q403 Q403 pin 3 L LCD backlight on Replace LCD No Yes No LCD BACKLIGHT KEY PCB LED Resolder R575 R579 or Resolder Q403 Q403 pin 3 L No Yes Yes END Key PCB LED on Resolder R572 R573 R574 R725 R745 R746 R747 R748 or Replace PBA No ...

Page 48: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 19 Q403 U618 R575 R579 KeyPAD LED 4 CON1 LCD LED 17 GPO1 ...

Page 49: ...Resolder CN1 Resolder U203 Pin 10 65 dBm Check VC1 L VC2 L Resolder F203 Resolder C234 L209 C596 L218 C582 C758 R220 Resolder F204 C727 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 U454 Pin 24 25 26 27 40 mV Resolder OneC U618 U454 Check U454 Pin 32 33 2 5 V Pin 35 0 5 V Resolder U454 Pin 32 33 35 Resolder U...

Page 50: ...Resolder U318 C264 Resolder C204 R210 R211 R203 Resolder U478 U454 pin 30 47 10 dBm Check 454 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 U618 Ch...

Page 51: ... dBm Resolder CN1 Resolder U203 Pin 1 65 dBm Check VC1 L VC2 L Resolder F203 Resolder F204 C721 L595 Check C481 CH 225MHz 20 dBm C137 1080MHz 20 dBm Resolder U478 U454 Pin 24 25 26 27 40 mV Resolder OneC U618 U454 Check U454 Pin 32 33 2 5 V Pin 35 2 5 V Resolder U454 Pin 32 33 35 Resolder U618 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 L406 C2...

Page 52: ...03 Resolder U318 C263 Resolder C217 R218 R217 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 No No C...

Page 53: ...10NF 2SC4617 Q100 2 10NF C102 25 SENB VDDD 17 VDDI 24 11 VDDR 15 XIN 560 R107 13 PWDNB RFLA 6 5 RFLB 3 RFLC RFLD 2 RFOUT 10 SCLK 26 27 SDAT 9 GNDR1 GNDR2 7 GNDR3 28 1 GNDR4 GNDR5 8 IFLA 19 20 IFLB 23 IFOUT 31 GND6 32 GND7 18 GNDD GNDD1 16 GNDD2 14 GNDI 22 21 GNDI1 GNDR 4 SI4133G XM2R U478 AUXOUT 12 29 GND4 GND5 30 TCO 9133S 13MHz U100 GND 2 OUT 3 1 VC 4 VCC L402 2 2nH 3VRF 91K R105 XVCC AFC CLK13M...

Page 54: ...N 270 R218 14 VCCCOMP 42 VCCCTRL 45 VCCIF 29 VCCIFLO 22 VCCIQ VCCMIX 51 12 VCCPLL LNA 48 VCCRELO 18 QIN 17 QINB 25 QOUT 24 QOUTB 21 RESET 47 RFLOIN 1 SDATA 37 TESTOUT 44 MIX2OUT 43 MIX2OUTB 36 NC NC 34 15 PLLOUT POONRX1 33 32 POONRX2 38 POONTX 26 IOUTB 55 LE MIX1DCSIN 3 2 MIX1DCSINB 53 MIX1GSMIN 54 MIX1GSMINB 49 MIX1OUT 50 MIX1OUTB 16 ICURAD 31 IFDIVSEL 41 IFIN 40 IFINB 30 IFLOIN 20 IIN 19 IINB 27...

Page 55: ...F 10K R241 C720 1NF L596 3 9nH C267 27PF 1PF C747 C244 39PF KMS 157 CN1 A 2 3 C 1 G 4 G 4PF C538 6 G 7 G 9 G G 12 10 GSM_RX 5 GSM_TX 2 VC1 VC2 11 ES A5010B U203 ANT 8 DCS_RX 1 DCS_TX 3 G 4 C664 R617 10K 1 33PF 6 GD 2 GD1 GI 1 GO 7 TM 4 68 R665 VCC2 U318 LDC15D190A0007A 8 CO DI 3 DO 5 7 AMP0 AMPIB 6 5 DACin 14 GND1 11 GND2 3 IN 2 IN 15 IN2 8 ModeSW 10 PS 12 RFin1 13 RFin2 1 VAPC1 16 VAPC2 4 VCC1 9 ...

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