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Samsung SGH-A200, Руководство по обслуживанию


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5-23

Flow chart of trouble shooting and Circuit Diagram

(DCS)

(GSM)

Coilcraft

Film Cap

1%

Coilcraft

1%

2012

1%

1%

6.8K,1%

R341

R337 330

0

R343

C325

1NF

C724

10PF

L308

68nH

C339

27PF

C373

1NF

L323

22nH

R338

6.8K,1%

R370

22

0

R351

C333

100PF

51

470PF

C365

R314

100PF

C695

C312

0.5PF

C374

10NF

6PF

C310

R339

6.8K,1%

L619

NC

NC

L630

24

R325

10PF

1NF

C383

1NF

C358

C360

C338

4.7K

R700

1NF

L637

2.2nH

22

R369

C697

33PF

OUT1

OUT2

10

SW

7

VCC

5

VT

3

V0F1748C28KRDV0F1748C28KRD

U200

G1

12

G2

G3

89

G4

G5

11

12

G6

4

NC

6

1nH

L636

C309

6PF

R331

100

C400

4.7PF

C387

27PF

3

5

G3

IN

2

OUT1

4

6

OUT2

82nH

L310

18K,1%

F303

B4121

1

G1

G2

C300

R333

150PF

C329

NC

27NH

L316

C345

27PF

L635

15nH

NC

L322

NC

C311

100PF

C725

27PF

C322

NC

C356

42

VCCIF

45

VCCIFLO

29

VCCIQ

22

VCCMIX

51

VCCPLL/LNA

12

VCCRELO

48

VCOIN

11

17

QOUT

25

QOUTB

24

RESET

21

RFLOIN

47

SDATA

1

TESTOUT

37

VCCCOMP

14

VCCCTRL

43

NC

36

34

NC

PLLOUT

15

POONRX1

33

POONRX2

32

POONTX

38

QIN

18

QINB

55

3

MIX1DCSIN

MIX1DCSINB

2

MIX1GSMIN

53

MIX1GSMINB

54

MIX1OUT

49

MIX1OUTB

50

MIX2OUT

44

MIX2OUTB

31

IFIN

41

IFINB

40

IFLOIN

30

IIN

20

IINB

19

IOUT

27

IOUTB

26

LE

28

GNDIQ

23

GNDMIX

52

13

GNDPLL/LNA

GSMB

6

GSMC

4

GSME

5

ICURAD

16

IFDIVSEL

35

CLK

56

DCSB

10

DCSC

8

DCSE1

9

DCSE2

7

GNDCTRL

39

GNDIF

46

GNDIFLO

HD155128TF

U305

BAND

C403

100

R667

1.2NF

C330

1NF

R371

47

27PF

C392

22nH

L324

OUT2

47

R666

F302

B4133

1

G1

G2

3

5

G3

IN

2

OUT1

4

6

8.2PF

C379

L318

6.8nH

C321

10NF

1NF

C324

6.8K,1%

R340

C367

NC

C348

18PF

NC

L309

NFM39R12C471T1

F306

C349

1NF

2.2nH

L638

1NF

C362

R315

1K

C335

5.6pF

C627

47PF

12PF

C313

2.7nH

L613

1NF

C327

3

G2

5

G3

G4

7

IN1

6

8

IN2

2

OUT1

OUT2

4

MKFC225.000MBA701X-TC11

U601

1

G1

1NF

C326

G4

IN1

1

3

IN2

7

OUT1

OUT2

5

1K

R319

FAR-G6CH-1G8425-L218

U603

G1

24

G2

G3

68

C366

10NF

1UF

NC

L312

C391

C359

22NF

L306

82nH

82nH

L305

33PF

C698

27PF

C337

L639

2.7nH

C314

12PF

C378

8.2PF

GSMRX

DCSRX

1NF

C344

3VRF

DCSTX

GSMTX

ITXN

TXEN1

RXEN2

3VBANDSEL

3VTXEN1

SDATA

SCLK

AGC_EN

RXEN1

QTXP

QTXN

ITXP

3VRF

RFLO

IRXP

IRXN

QRXP

IFLO

QRXN

Содержание SGH-A200

Страница 1: ...bile Cellular Phone SGH A288 C ABC GHI JKL DEF MNO PQRS TUV WXYZ 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 trouble shooting ...

Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 01895A ELECTRONICS ...

Страница 3: ...ams 2 1 Main Top 2 2 Main Bottom 3 Electrical Parts List 3 1 Main Parts List Top 3 2 Main Parts List Bottom 4 Block Diagrams 4 1 Main Base Band 4 2 Main RF 4 2 1 RF Tx Part 4 2 2 RF Rx Part 5 Flow chart of trouble shooting 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 GSM Receiv...

Страница 4: ...nd Parts List 1 1 Main 1 2 1 1 3 2 9 2 7 2 5 2 3 2 8 2 2 2 6 2 10 2 1 2 11 2 4 1 1 19 16 13 2 26 12 14 25 22 18 21 15 20 6 7 3 4 3 6 3 1 3 3 3 2 8 11 3 5 24 23 31 37 4 36 33 32 34 35 28 29 10 17 27 30 9 22 5 2 5 1 4 2 4 1 4 8 4 3 4 5 4 9 4 6 4 7 4 4 3 5 ...

Страница 5: ...R SPONGE CMIC SNA 1 3 6 GH74 01296A MPR SHIELD FOAM SNA 2 4 GH75 00927A MEC REAR COVER WHITE SA 1 4 1 GH61 00008A SPRING LOCKER SNA 1 4 2 GH61 00011A SPRING SIM LOCKER SNA 2 4 3 GH71 00380A NPR BRACKET ANT SNA 1 4 4 GH72 02102A PMO REAR COVER WHITE SNA 1 4 5 GH72 02103A PMO LOCKER BATT WHITE SNA 1 4 6 GH72 02104A PMO EAR JACK COVER LIGHT GRAY SNA 1 4 7 GH72 02330A PMO SIM KNOB WHITE SNA 1 4 8 GH74...

Страница 6: ... NPR CONTACT ANT SA 1 25 GH72 00602A PCT WINDOW LCD SA 1 26 GH72 00647B PMO SPEAKER COVER SA 1 27 GH73 00578A RMO CONNECTOR COVER SA 4 28 GH73 00579A RMO MOBILE CAP SA 1 29 GH73 00667A RMO ANT CONTACT RUBBER SA 1 30 GH74 40518A MCT BACKUP TAPE SA 1 31 GH68 01684A LABEL R MAIN CHNA SNA 1 32 GH68 01685A LABEL R MAIN A288 SNA 1 33 GH42 00076B ANTENNA SGHA288 SA 1 34 GH43 00283A BATTERY SLIM SGHA288 S...

Страница 7: ...1 4 Exploded Views and Parts List 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 8: ...Exploded Views and Parts List 1 5 Ciger Light Adapter 1 5 1 6 Ciger Light Adapter Parts List DESCRIPTION SEC CODE REMARK Ciger Light Adapter Code GH44 00170A BLACK ...

Страница 9: ...Exploded Views and Parts List 1 6 1 7 Test Jig TEST JIG GH80 10508A TEST JIG CABLE GH39 00079A RF JIG CABLE GH39 00089A ...

Страница 10: ...d Views and Parts List 1 7 DM CABLE GH39 00080A 1 7 1 Test Jig 8922 or 8960 WIRELESS COMMVNCATIONS TEST SET TEST JIG DC POWER SUPPLY RF JIG CABLE TEST JIG CABLE 232 CABLE C ABC GHI JKL DEF MN O PQRS TUV WXY Z ...

Страница 11: ...1 8 Exploded Views and Parts List 1 8 Wearable EAR Microphone Wearable EAR Microphone GH59 00168A 1 9 Data Kit DATA KIT GH39 00078A ...

Страница 12: ...Exploded Views and Parts List 1 9 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...

Страница 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...

Страница 14: ...PCB Diagrams 2 2 2 1 1 Main RF Top ...

Страница 15: ...PCB Diagrams 2 3 2 1 2 Main Base Band Top ...

Страница 16: ...PCB Diagrams 2 4 2 2 Main Bottom ...

Страница 17: ...2 5 PCB Diagrams 2 2 1 Main RF Bottom ...

Страница 18: ...PCB Diagrams 2 6 2 2 2 Main Base Band Bottom ...

Страница 19: ...SIGNAL FDG6323L FDG6323L 17 U301 0506 000151 LED UMZ1N TR UMZ1N TR 18 U644 0801 000794 IC TC7S08FUTE85L TC7S08FUTE85L 19 U646 0801 002345 IC TC7S04FU TE85L TC7S04FU TE85L 20 U642 U643 0801 002510 IC TC7W74FK TE85L TC7W74FK TE85L 21 U103 0801 002540 IC NC7SZ19P6X NC7SZ19P6X 22 U113 U115 1001 001145 IC MAX4599EXT T NC7SZ19P6X 23 U109 1106 001301 IC LRS1337 LRS1337 24 U306 1201 001018 IC LM7131ACM5 L...

Страница 20: ... 5 ERJ2GEJ470X 58 R310 R301 2007 000242 R CHIP 1 5K 5 ERJ2GEJ152X 59 R115 2007 000982 R CHIP 5 6K 5 ERJ2GEJ562X 60 R329 2007 001119 R CHIP 680 5 ERJ2GEJ681X 61 R314 R360 2007 001298 R CHIP 51 5 ERJ2GEJ510X 62 R110 R175 R176 R323 2007 002796 R CHIP 510 5 ERJ2GEJ511X 63 R324 2007 002797 R CHIP 560 5 ERJ2GEJ561X 64 R304 2007 007021 R CHIP 75K 5 ERJ2GEJ753X 65 R333 2007 007135 R CHIP 18K 1 ERJ2RKF1802...

Страница 21: ...50V GRM36COG220J50PT 103 C152 C153 C158 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 104 C159 C161 C165 C167 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 105 C337 C339 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 106 C345 C356 C369 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 107 C394 C709 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270...

Страница 22: ... 2703 001293 INDUCTOR SMD HK1608 82NJ T HK1608 82NJ T 144 L308 2703 001514 INDUCTOR SMD 0603CS 68NXJBC 0603CS 68NXJBC 145 L310 2703 001685 INDUCTOR SMD 0603CS 82NXJBC 0603CS 82NXJBC 146 L385 2703 001708 INDUCTOR SMD HK1005 5N6K T HK1005 5N6K T 147 L316 2703 001726 INDUCTOR SMD LL1005 FH27NJ LL1005 FH27NJ 148 L323 L324 2703 001727 INDUCTOR SMD LL1005 FH22NJ LL1005 FH22NJ 149 L635 2703 001730 INDUCT...

Страница 23: ...PT 20 R667 2007 000138 R CHIP 100 5 RK73K1ETP101J 21 C383 2203 000278 C CERAMIC CHIP C100D 10PF 50V GRM36C0G100D50PT 22 R666 2007 000174 R CHIP 47 5 ERJ2GEJ470X 23 R337 2007 001313 R CHIP 330 5 ERJ2GEJ331X 24 C755 2203 000995 C CERAMIC CHIP C470J 47PF 50V GRM36C0G470J50PT 25 C754 2203 000995 C CERAMIC CHIP C470J 47PF 50V GRM36C0G470J50PT 26 ZD107 1405 001082 IC VC040205X150R VC040205X150R 27 C169 ...

Страница 24: ...K73K1ETP473J 62 C192 2203 000812 C CERAMIC CHIP C330J 33PF 50V GRM36C0G330J50PT 63 R171 2007 000162 R CHIP 100K 5 RK73K1ETP104J 64 C157 2203 000812 C CERAMIC CHIP C330J 33PF 50V GRM36C0G330J50PT 65 C115 2203 000254 C CERAMIC CHIP C103K 10NF 16V GRM36X7R103K16PT 66 C732 2203 001221 C CERAMIC CHIP C821K 820PF 50V GRM36C0G470J58PT 67 C727 2203 001221 C CERAMIC CHIP C821K 820PF 50V GRM36C0G470J58PT 68...

Страница 25: ...061 C CERAMIC CHIP C104Z 100NF 16V GRM36C0G470J84PT 104 R428 2007 003028 R CHIP 750K 5 ERJ2GEJ754X 105 R421 2007 000170 R CHIP 1M 5 ERJ2GEJ105X 106 C745 2404 001105 C TA CHIP 10UF 6 3V GRM36C0G470J127PT 107 Q303 0501 002346 TR SMALL SIGNAL 2SB1427 2SB1427 108 U116 1203 002077 IC LP2985AIM5 3 3 LP2985AIM5 3 3 109 C190 2203 000233 C CERAMIC CHIP C101J 100PF 50V GRM36C0G101J50PT 110 C111 2203 000679 ...

Страница 26: ...84PT 133 C714 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 134 C201 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 135 L200 2703 001752 INDUCTOR SMD LL1005 FH39NJ LL1005 FH39NJ 136 C740 C741 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT 137 V205 V206 1405 001082 IC VC040205X150R VC040205X150R 138 C739 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRM36C0G270J50PT...

Страница 27: ...XVCC 3VBRIGHT RTC_3V3 LDO AVcc LDO Vcc LDO Serial Data Interface I O Interface A D Interface AGC AFC PLL DC DC CONVERTER Charging Circuit Li Ion Battery Slim Standard Long ONE C VIBRATOR SYSTEM CLOCK 13MHz SRAM FLASH1 FLASH2 EEPROM RTC_CLOCK 32 768KHz KEY_BOARD SIM CARD SPEAKER MIC BB INTERFACE RF INTERFACE LCD ...

Страница 28: ...z GSM 540MHz I Q Mod GSM 270MHz DCS 135MHz Phase Detector Loop filter GSM 270MHz DCS 135MHz Baseband Block Dual Directional Coupler 880 915MHz CH 62 902 4MHz 1710 1785MHz CH 698 1747 2MHz Tx Dual VCO Mixer 2 Serial data interface 45MHz 270MHz GSM 1150 1185MHz DCS 1580 1655MHz I I Q Q I Q Demo CLK SDATA LE bias circuit Mixer 1 RF VCO Rx SAW filter 540MHz GSM 1150 1185MHz DCS 1575 1650MHz CH 62 947 ...

Страница 29: ...10 Dual PAM U312 APC Circuit 890 915 MHz 1710 1785 MHz Coupler 15 3 1 3 7 5 U318 U318 8 8 13 7 2 540 MHz PCN 1575 1650 MHz Tx GSM 1150 1185 MHz 4 14 11 4 5 38 35 20 19 18 17 30 47 10 6 8 1 4 2 5 2 1 Ant S W Control Circuit 3VTX TXEN2 VC1 VC2 VC3 VC3 VC2 VC1 GSM Tx DCS Tx Rx H H H L L L L L L 11 SI4133 MLP28 U302 VCTCXO 13MHz U303 IF VCO 1080MHz PLL1 PLL2 RF VCO AFCDAC 10 23 15 3 2 1 ...

Страница 30: ...45MHz 1 2 30 47 9 16 1 3 7 5 2 8 4 6 4 6 53 54 2 3 49 50 6 8 2 4 40 41 27 SDATA SCLK SYNEN1 46dBm 947 067 MHz 50dBm 1842 467 MHz 47dBm 30dBm 33dBm 38dBm 52dBm 43dBm 9dBm 1172 MHz 9 5dBm 1617 4 MHz GSM 1150 1185 MHz PCN 1580 1655 MHz Rx 8dBm 540 MHz 24 4dBm G 29dBm D 224 933 MHz 31dBm G 35dBm D 22dBm G 25dBm D 45 067 MHz 50dBm G 54dBm D 67 kHz 26 25 24 33 32 44 43 RF SAW Filter F303 RF SAW Filter F...

Страница 31: ...V No Yes Yes Check U116 and the path from VBATT to BAT101 The node between D110 and BAT101 3V No Yes U117 pin 1 4 10 3 2V Check the circuit related to U117 No END U463 pin 1 3 H Check the circuit related to U463 No Yes Check the initial operation U463 pin5 7 2 9V Check U463 and related circuit No Yes Check for the clock signal at R301 Check the clock generation circuit related to U303 and U301 No ...

Страница 32: ...GND NO PS1 PS2 3 L102 U463 C555 U111 1 3 2 C328 R157 R567 C708 C209 D107 1 2 3 4 5 C701 C208 C202 C211 C535 C700 C190 R161 ON OFF 1 VIN VOUT 5 U116 4 BYPASS 2 GND 3 C203 C746 R167 D108 AVCC CLSEL FB 1 8 GND 2 LBI LX 9 OUT 10 REF 5 3 _LBO _SHDN 6 U117 BATT 7 4 C699 VCC BAT101 2 1 R164 DCIN 3 3V RTC_VCC RTC_3V3 BB_PWR ON_OFF RTC_3V3 DCVOLT VBATT ...

Страница 33: ...as follows END No U103 pin 4 H The node between R162 and C183 H RST No Check U112 R114 H BOOT No Resolder R114 Yes R673 H MSIZE No Resolder R673 Yes R165 L EXTPROC No Resolder R165 Yes Replace PBA Check all the other connection by Test S W Check the circuit around LCD Check the circuit around U107 EEPROM and data stored in it Yes ...

Страница 34: ...5 4 Flow chart of trouble shooting and Circuit Diagram U108 U645 U103 U109 VCC VCC R162 C183 R114 R673 R156 VCC MSIZE SIMPWDN_BOOT F_WP F_WP 6 4 F_BE0 F_BE1 F_VCCW SYSRST GPIO3 GPIO4 DTR1 ...

Страница 35: ... 5 3 Charging Part Abnormal charging part Replace TA Check the CN502 pin 17 18 5 2V No Yes Yes Check the U639 pin 3 5 2 V Resolder C111 L632 C710 Yes No U639 pin 4 L Resolder R328 Yes No Resolder components around U639 Check the U639 pin 5 4 2V END Yes No ...

Страница 36: ...5 6 Flow chart of trouble shooting and Circuit Diagram L ON H OFF R328 R671 C704 L632 5 VSENSE U639 6 DRIVE 2 GND 1 ISENSE 4 PROG 3 VCC C111 R320 C710 Q303 1 2 3 VBATT DCVOLT BAT_VOLT ICHRG CHG_ON ...

Страница 37: ...1 pin 5 H U101 pin 2 3 3 V Replace the PBA Replace U101 Yes No No CN102 pin 1 5 3 V Resoldering CN102 and check open connection from U101 to CN102 No After Power ON Check SIMCLK Signal on CN102 pin 3 in a few second After SIM card insert CN102 pin 2 H SIMRST Replace PBA Replace the PBA Yes Yes No No R699 2 9 V Yes No Check the circuit related to U463 U463 pin1 3 V Yes No Check the circuit related ...

Страница 38: ..._VCC FDG6323L 5 ON OFF R1 C1 6 R2 1 2 V C1 1 3 V C1 2 VIN R1 4 U101 C424 C104 C748 C423 R428 C107 R103 R421 C749 C3 3 4 C5 C6 5 6 C7 CN102 C1 1 2 C2 C750 VCC R699 R698 C751 5 C1 C1 4 GND 2 6 1 3 MODE VIN VOUT U649 SIMDATA SIM_5V3V SIMPWDN_BOOT SIMRST SIMCLK SIMALIM ...

Страница 39: ...lder CN503 pin 10 11 and ZD109 ZD112 Check the connection from CN503 pin 10 11 U113 U115 pin 2 AVCC 2 9V Check the circuit from U108 to U113 U115 Check the circuit related to Q102 END Resolder the R174 R175 R176 R177 C187 C188 and C204 Yes No Yes Yes Yes No No Check the Key PCB Replace the Key PCB Yes No ...

Страница 40: ...5 10 Flow chart of trouble shooting and Circuit Diagram CN503 10 11 ZD112 ZD109 U115 U113 AVCC AVCC U463 AVCC C188 C187 R177 R174 R176 R175 U108 ...

Страница 41: ...Part Speaker does not work Resoler J101 J101 pin 2 3 short Is Speaker working Replace the Speaker END No J101 pin 2 3 6 1 5V No Yes Yes Yes CN 105 pin 22 23 1 5V No Yes Check the depression of the SPK pins No Yes Yes No Replace the PBA Resolder CN105 Modify the SPK pins ...

Страница 42: ...Input Check Initial operation Replace the PBA Are the pin 19 20 21 22 and 23 of CN503 low When one of the keys is pushed one of pin 19 20 21 22 and 23 of CN503 is high Key PCB is OK Resolder pin 19 20 21 22 and 23 of CN503 END Replace the Key PCB Yes No Yes Yes Yes No No ...

Страница 43: ... ALERT by Test S W Is there alert wave form on the R110 during alert tone test Is there alert wave form on the Q102 pin 3 during alert tone test U116 pin 5 3 3V Check the circuit related to Q102 END Check the circuit related to U116 Yes No Yes Yes No No Buzzer is ok Change the Buzzer Yes No ...

Страница 44: ...5 14 Flow chart of trouble shooting and Circuit Diagram R110 R109 Q102 D104 C102 BUZ BUZ RTC 3V3 From U116 pin5 3 2 1 From IC ...

Страница 45: ...oting and Circuit Diagram 5 9 Ring Indicator Ring Indicator LED does not work GPO2 by Test S W Q101 pin 2 H Q101 pin 3 L CN503 pin 3 L Replace Q101 END Resolder CN503 LED Yes No Yes Yes No No Key PCB is OK Replace the Key PCB Yes No ...

Страница 46: ...Flow chart of trouble shooting and Circuit Diagram 5 16 RI_LIGHT R706 Q101 3 CN503 KPCB A SSY ...

Страница 47: ...de Backlight ON mode in the menu U108 pin J3 H GPO1 by test S W No Yes Yes No Check the CN105 pin 17 Check the CN105 pin 17 H LCD backlight on Replace EL sheet No Yes No LCD BACKLIGHT KEY PCB LED Resolder R141 R149 Q107 pin 1 H No Yes Resolder Q107 Q107 pin 3 L No Yes Yes END Key PCB LED on Resolder CN503 or Replace Key PCB No ...

Страница 48: ...m Yes U305 Pin 53 54 60 dBm Yes U305 Pin 49 50 225 MHz 50 dBm Check C301 CH 225MHz 20 dBm C315 1080MHz 20 dBm Yes Yes U305 Pin 43 44 45 MHz 55 dBm Yes Yes Check U305 Pin 32 33 2 5V Pin 35 0 5V Yes Rx On RF input CH center freq 67 7 kHz Amp 50 dBm U305 Pin 24 25 26 27 40 mV Resolder U603 Resolder L613 L635 L639 C659 Resolder F303 C333 L323 L324 Resolder U601 C309 C310 C312 C313 C314 C400 R700 Resol...

Страница 49: ...der U304 Resolder U318 C353 Resolder or Change C698 R335 R364 R366 Resolder U200 R343 U305 pin 30 47 U107 10 dBm Resolder U305 U302 U305 Pin 17 18 19 20 40 mV Resolder OneC U108 Check U305 Pin 38 2 5 V Pin 35 0 5 V Resolder U201 Pin35 Pin38 Resolder U108 No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Check Ant S W Control Circuit Check U312 VBATT Pin 2 APC OK Resolder or Cha...

Страница 50: ...Bm Yes U305 Pin 2 3 60 dBm Yes U305 Pin 49 50 225 MHz 50 dBm Check C301 CH 225MHz 20 dBm C315 1080MHz 20 dBm Yes Yes U305 Pin 43 44 45 MHz 55 dBm Yes Yes Check U305 Pin 32 33 2 5V Pin 35 2 5V Yes Rx On RF input CH center freq 67 7 kHz Amp 50 dBm U304 Pin 24 25 26 27 40 mV Resolder U603 Resolder C627 C724 C725 L636 Resolder F302 C335 L638 L637 Resolder U601 C309 C310 C312 C313 C314 C400 R700 Resold...

Страница 51: ... VC3 L Change or Resolder U304 Resolder U318 C364 Resolder or Change C697 C346 R365 R363 Resolder U200 R343 U305 pin 30 47 U107 10 dBm Resolder U305 U302 U305 Pin 17 18 19 20 40 mV Resolder OneC U108 Check U305 Pin 38 Pin 35 2 5 V Resolder U201 Pin35 Pin38 Resolder U108 No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Check Ant S W Control Circuit Check U312 VBATT Pin 2 APC OK...

Страница 52: ... 11 XIN 15 8 NC 14 21 NC 13 PWDNB RFLA 6 RFLB 5 RFLC 3 RFLD 2 RFOUT 4 GNDR 7 GNDR 9 28 GNDR IFLA 19 IFLB 20 IFOUT 23 NC 1 NC SI4133 MLP28 AUXOUT 12 29 GND GNDD 16 18 GNDD GNDI 22 GNDR R311 U302 C304 100NF 0 C316 0 R302 C303 100NF 100NF 5 6NF 2 5 1 3 6 4 C305 1NF U301 UMZ1N TR R301 C302 R304 1 5K R303 R305 1K 1K 10NF C306 R308 1K C320 10NF R313 1K 10NF C319 10 R312 SYNEN1 IFLO 3VRF RFLO CLK13M AFC ...

Страница 53: ... POONRX1 33 POONRX2 32 POONTX 38 QIN 18 QINB 55 3 MIX1DCSIN MIX1DCSINB 2 MIX1GSMIN 53 MIX1GSMINB 54 MIX1OUT 49 MIX1OUTB 50 MIX2OUT 44 MIX2OUTB 31 IFIN 41 IFINB 40 IFLOIN 30 IIN 20 IINB 19 IOUT 27 IOUTB 26 LE 28 GNDIQ 23 GNDMIX 52 13 GNDPLL LNA GSMB 6 GSMC 4 GSME 5 ICURAD 16 IFDIVSEL 35 CLK 56 DCSB 10 DCSC 8 DCSE1 9 DCSE2 7 GNDCTRL 39 GNDIF 46 GNDIFLO HD155128TF U305 BAND C403 100 R667 1 2NF C330 1...

Страница 54: ... C1 1 2 C361 56PF 0 R372 R366 15 NC L633 C372 NC 3VTXEN2 1K 1 R327 9 GSM_RX 7 GSM_TX 4 VC1 VC2 14 11 VC3 G 1 3 G G 5 6 G G 810 G G 1215 G SHS L090DE U304 ANT 2 DCS_RX 16 DCS_TX 13 F307 NFM39R12C471T1 3VTXEN2 10NF C377 1 2K 1 R322 C364 NC C390 C394 27PF 2 7PF MHC 175 3 GND1 GND2 4 5 GND3 GND4 6 1 IN 2 OUT B1 2 B2 5 6 C1 C2 3 1 E1 E2 4 J301 BCR08PN U309 27PF C369 6 3 C2 E1 1 4 E2 120 5 R330 U314 BCR...

Страница 55: ... 80mA 1 2 9V 100mA C549 10NF 10NF 10NF C551 C550 VIN VO1 1 9 VO2 16 VO3 VO4 12 14 VO5 C116 100NF NS1 8 NS2 6 NS3 3 PS1 7 PS2 5 PS3 11 PS4 15 PS5 4 MM1448CYFE U457 10 GND 13 NC 2 R587 0 R591 NC C124 4 7uF C106 100NF C125 1UF 10UF 6 3V C105 R678 10K 100NF C705 2 3 1 2 3 1 DTB113ZK U443 DTC114EE TR U445 C117 4 7uF SYNEN SYSCLKENA BANDSEL 3 3V 3VTX XVCC TXEN1 3VRF 3VTXEN1 3VBANDSEL ...

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