Samsung SGH-E420 Service Manual Download Page 15

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SAMSUNG Proprietary-Contents may change without notice

Exploded View/Disassembly&Assembly Instructions

5-2

This Document can not be used without Samsung's authorization

5-2. Cellular phone Parts list

Design LOC

Description

Sec Code

QAN02

INTENNA-SGHE420

GH42-01018A

QAN05

ASSY MEC-INTENNA CONTACT

GH75-08168A

QBA00

PMO-COVER BATTERY

GH72-33285A

QBA01

INNER BATTERY PACK-750MAH,BLK,

GH43-02483A

QCA01

UNIT-CAMERA MODULE

GH59-03566A

QCA02

UNIT-CAMERA KEY

GH59-03606A

QCK01

PMO-CAMERA KEY

GH72-33287A

QCR05

SCREW-MACHINE

6001-001478

QCR12

SCREW-MACHINE

6001-001530

QCR26

SCREW-MACHINE

6001-001850

QFU01

ASSY CASE-FOLDER UPPER

GH98-01842A

QKP01

ASSY KEYPAD-(SER/UWA)

GH98-02645A

QLB01

ASSY BRACKET-LCD

GH98-01846A

QME01

UNIT-METAL DOME

GH59-03605A

QME15

ELA ETC-EL SHEET(PNK)

GH96-02356A

QMI01

MICROPHONE-ASSY-SGHE420

GH30-00311A

QMO01

MOTOR DC-SGHE420

GH31-00198C

QMP01

PBA MAIN-SGHE420

GH92-03133A

QRF01

RMO-COVER RF

GH73-08169A

QSC01

RMO-COVER SCREW

GH73-08170A

QSP01

SPEAKER

3001-002064

QVK01

UNIT-VOLUME KEY

GH59-03595A

QVO01

PMO-VOLUME KEY

GH72-33286A

QFR01

ASSY CASE-FRONT

GH98-01844A

QRF03

PMO-COVER EAR

GH72-33281A

QFL01

ASSY CASE-FOLDER LOWER

GH98-01843A

QHI01

ASSY MEC-HINGE(CAN TYPE)

GH75-04662A

QLC01

LCD-M/S SGH-E420

GH07-01014A

QMW01

AS-LCD WINDOW SVC

GH81-06126A

QRE01

ASSY CASE-REAR

GH98-01845A

QMI03

RMO-RUBBER MIC

GH73-08187A

Summary of Contents for SGH-E420

Page 1: ...S 1 Safety Precautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View Disassembly and Assembly Instructions 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Flow Chart of Troubleshooting 10 Reference data ...

Page 2: ...ion 2 1 2 2 GSM Tx Power Class 2 2 3 Product Function 4 Array course control 4 1 Software Adjustments 4 1 4 2 Software Downloading 4 2 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Parts list 5 2 5 3 Disassembly Assembly Instructions 5 4 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams ...

Page 3: ...icrophone Part 9 10 9 6 Speaker Part 9 12 9 7 Key Data Input 9 14 9 8 Receiver Part 9 15 9 9 LCD Part 9 16 9 10 Key Back Light 9 18 9 11 Camera Part 9 19 9 12 GSM Receiver 9 21 9 13 GSM Transmitter 9 22 9 14 DCS Receiver 9 23 9 15 DCS Transmitter 9 24 9 16 PCS Receiver 9 25 9 17 PCS Transmitter 9 23 10 Reference data ...

Page 4: ...orn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small an...

Page 5: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Page 6: ...spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm...

Page 7: ... control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 ...

Page 8: ...not be used without Samsung s authorization Main Function VGA Camera 65536 Color OLED Main Screen 128 160 65536 Color OLED Sub Screen 96 96 SMS EMS MMS Message Service WAP Http support J2ME JAVA MIDP 2 0 CLDC 1 1 Speaker phone 40 Poly Melody vCard vCalendar E mail Client Tri band 900 1800 1900MHz ...

Page 9: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 10: ...ce 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments Test Jig GH80 01909A Test Jig GH80 01909A Test Cable SGH E420 VER2 Test Cable SGH E420 VER2 Power Supply Cable Serial Cable CSA LL64151 A ...

Page 11: ...Program Lily Downloader 2 0 exe E420 Mobile Phone Data Cable Binary file TFS file 4 2 2 S W Downloader Program Load the binary download program by executing the Lily Downloader 2 0 exe 1 Select the connected serial port and the rate of speed 2 Select the check box the mode you want to download if the binary file wanted check only BIN if the tfs file wanted check only TFS if all the files wanted ch...

Page 12: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 3 This Document can not be used without Samsung s authorization 3 Select the file s what you want to download ...

Page 13: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization ...

Page 14: ...thout Samsung s authorization 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QFU01 QME15 QLB01 QFR01 QRF03 QCA01 QLC01 QMO01 QVK01 QFL01 QCR26 QSC01 QSP01 QHI01 QKP01 QME01 QCA02 QMI01 QCR12 QAN02 QCK01 QRE01 QMI03 QCR05 QBA01 QBA00 QAN05 QVO01 QRF01 QMP01 ...

Page 15: ...SCREW MACHINE 6001 001850 QFU01 ASSY CASE FOLDER UPPER GH98 01842A QKP01 ASSY KEYPAD SER UWA GH98 02645A QLB01 ASSY BRACKET LCD GH98 01846A QME01 UNIT METAL DOME GH59 03605A QME15 ELA ETC EL SHEET PNK GH96 02356A QMI01 MICROPHONE ASSY SGHE420 GH30 00311A QMO01 MOTOR DC SGHE420 GH31 00198C QMP01 PBA MAIN SGHE420 GH92 03133A QRF01 RMO COVER RF GH73 08169A QSC01 RMO COVER SCREW GH73 08170A QSP01 SPEA...

Page 16: ... MAIN SER GH68 12806A BOX UNIT SER GH69 04579A CUSHION CASE EU GH69 04581A MPR INSU TAPE GH74 18047A MPR TAPE MIC GH74 25834A MPR GASKET LCD CONN GH74 25836A MPR VINYL BOHO F LOWER GH74 26366A MPR VINYL BOHO F UPPER 2DN GH74 26368A MPR TAPE 9 1X3 1XT0 06 3M1361 GH74 26419A MPR INSULATION TAPE 11 2X7 5XT GH74 26425A MPR INSU TAPE EL CONN GH74 27032A MPR TAPE MAIN LCD GH74 27500A MPR SPONGE LCD GH74...

Page 17: ...t to make scratch and molding damage 2 Be careful not to be torn the dust prevention tape 3 Be careful not to damage LCD FPCB 1 Unscrew the REAR at the four points 1 1 Break both side hooks in rear and disassemble the rear from front like the figure 2 3 1 Disassemble the LCD CONNECTOR 2 Disassemble the VOL KEY and CAMERA KEY FPCB from the FRONT ASS Y using a pincette 3 Disassemble the PBA from the...

Page 18: ...ing damage 1 Be careful not to damage camera FPCB and EL sheet FPCB 1 Be careful not to damage camera FPCB and EL sheet FPCB 5 6 7 8 1 Remove screw caps 2 Unscrew the FOLDER Upper SCREW CAP POINTS 1 Be separated Folder upper from folder lower using the stick 1 Remove the cusion tape on the camera connector and some parts using a pincette 2 Remove the insulation tapes on the camera connector and EL...

Page 19: ...다 1 Be careful not to damage the speaker and a motor wire 1 Be careful when you disassemble because the LCD module was fixed by the tape 2 Be careful not to damage the LCD FPCB when disassemble 1 Be careful not to make scratch and molding damage 10 1 Disassemble the speaker pushing a pincette in a groove 2 Disassemble the motor in the same way 1 Disassemble LCD module from Folder lower 9 1 Disasse...

Page 20: ...en inserting the FPCB be careful not to damage the FPCB 2 When attaching an insulation TAPE be careful not to cover the LCD 1 2 3 4 1 Insert the Camera FPCB to CONNECTOR 2 Insert the camera into FOLDER LOWER before LCD moudle inserting 3 I n s e r t t h e L C D C O N N E C T O R F P C B t o H I N G E 1 Insert the Moter into Lower 2 Twist the Speker Wire three times 3 Insert the Speker into Lower 1...

Page 21: ...ul not to damage the LCD CONNECTOR FPCB 2 When attaching the dust prevention TAPE be careful not to cover the keypad groove 1 Be careful not to insert keypad into FRONT incorrectly 5 6 7 8 1 Assemble the UPPER and LOWER 1 Screw up the two points 2 Insert the SCREW CAP 1 When assembling the Folder Assy and the Front pass the LCD CONNECTOR in first and assemble the HINGE 2 Attach the dust prevention...

Page 22: ...rder for the sound to be born tightly it contracts with thumb 1 Be careful not to damage LCD CONNECTOR FPCB 1 Be careful not to make scratch and molding damage 9 10 11 1 Insertin the PBA arrives the PBA in the HOOKER lower part which is visible in the lower part picture 2 Insert the VOL KEY and CAMERA KEY FPCB 3 Insert LCD CONNECTOR correctly 1 Insert the Camera Key and Volume Key 2 Assembling the...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Exploded View Disassembly Assembly Instructions 5 10 This Document can not be used without Samsung s authorization ...

Page 24: ... 000233 SA C116 C CER CHIP 2203 000233 SA C117 C CER CHIP 2203 006562 SA C118 C CER CHIP 2203 000438 SA C119 C CER CHIP 2203 005482 SA C120 C CER CHIP 2203 005057 SA C121 C CER CHIP 2203 000254 SA C122 C CER CHIP 2203 006562 SA C123 C CER CHIP 2203 000585 SA C124 C CER CHIP 2203 000585 SA C125 C CER CHIP 2203 000233 SA C126 C CER CHIP 2203 000609 SA C127 C CER CHIP 2203 000585 SA C128 C CER CHIP 2...

Page 25: ... CER CHIP 2203 000643 SA C407 C CER CHIP 2203 005482 SA C409 C CER CHIP 2203 006562 SA C410 C CER CHIP 2203 006562 SA C411 C CER CHIP 2203 005061 SA C500 C CER CHIP 2203 006208 SA C501 C CER CHIP 2203 005482 SA C502 C CER CHIP 2203 006825 SA C503 C CER CHIP 2203 005482 SA C504 C CER CHIP 2203 005482 SA C505 C CER CHIP 2203 005482 SA C506 C CER CHIP 2203 006208 SA C507 C CER CHIP 2203 005395 SA C50...

Page 26: ...ER CHIP 2203 000679 SA C612 C CER CHIP 2203 000425 SA C615 C CER CHIP 2203 000425 SA C616 C CER CHIP 2203 006562 SA C617 C CER CHIP 2203 005482 SA C620 C CER CHIP 2203 005061 SA C700 C CER CHIP 2203 000812 SA C701 C CER CHIP 2203 005683 SA C702 C CER CHIP 2203 005683 SA C703 C CER CHIP 2203 005683 SA C704 C CER CHIP 2203 005683 SA C705 C CER CHIP 2203 005683 SA C706 C CER CHIP 2203 005683 SA C707 ...

Page 27: ...001254 SA F700 FILTER EMI SMD 2901 001286 SA F701 FILTER EMI SMD 2901 001286 SA F702 FILTER EMI SMD 2901 001286 SA F703 FILTER EMI SMD 2901 001286 SA F704 FILTER EMI SMD 2901 001286 SA IFC600 SOCKET INTERFACE 3710 002442 SA L100 INDUCTOR SMD 2703 002201 SA L101 INDUCTOR SMD 2703 002176 SA L103 INDUCTOR SMD 2703 002176 SA L105 INDUCTOR SMD 2703 002208 SA L106 INDUCTOR SMD 2703 002208 SA L107 INDUCT...

Page 28: ... 2007 000162 SA R208 R CHIP 2007 000162 SA R210 R CHIP 2007 000171 SA R212 INDUCTOR SMD 2703 002208 SA R300 R CHIP 2007 000174 SA R301 R CHIP 2007 000171 SA R302 R CHIP 2007 000162 SA R306 R CHIP 2007 007107 SA R307 R CHIP 2007 000162 SA R308 R CHIP 2007 000162 SA R312 R CHIP 2007 000171 SA R313 R CHIP 2007 000141 SA R314 R CHIP 2007 000141 SA R315 R CHIP 2007 000162 SA R316 R CHIP 2007 000143 SA ...

Page 29: ...HIP 2007 000140 SA R612 R CHIP 2007 000148 SA R614 R CHIP 2007 008531 SA R615 R CHIP 2007 008531 SA R616 R CHIP 2007 007306 SA R617 R CHIP 2007 007306 SA R618 R CHIP 2007 007107 SA R620 R CHIP 2007 000162 SA R621 R CHIP 2007 000171 SA R622 R CHIP 2007 000171 SA R623 R CHIP 2007 000168 SA R624 R CHIP 2007 001339 SA R625 R CHIP 2007 000171 SA R626 R CHIP 2007 001339 SA R627 R CHIP 2007 001339 SA R62...

Page 30: ...H13 00036A SA U402 FET SILICON 0505 001923 SA U403 FET SILICON 0505 002088 SA U500 IC CONTROLLER 1205 002350 SA U503 IC POSI FIXED REG 1203 003787 SA U505 IC BATTERY 1203 003663 SA U600 IC ANALOG MULTIPLEX 1001 001345 SA U601 IC ANALOG SWITCH 1001 001362 SA U602 IC VOLTAGE COMP 1202 001068 SA U603 FILTER EMI ESD 2901 001349 SA U605 TR DIGITAL 0504 001100 SA U800 IC MELODY 1204 002690 SA U801 IC CM...

Page 31: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 8 This Document can not be used without Samsung s authorization ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice 7 1 This Document can not be used without Samsung s authorization 7 Block Diagrams ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 7 2 This Document can not be used without Samsung s authorization ...

Page 34: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 35: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 36: ...re than 3 4V Power On does not work Change the Battery END No Yes C512 2 7V Check the PMU related to the ISUP No Yes Check the Clock at R504 32KHZ Resolder X500 No Yes C532 VDD1 H Check the VDD1 circuit No Yes C531 VDD2 C533 VDD3 2 85V Check the VDD2 VDD3 circuit No Yes Check for the clock at C121 13MHz Check the clock generation circuit related to U100 No Yes Check the initial operation Yes Yes ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 Power On ...

Page 38: ...ubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial R302 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U400 Pin memory CE OK Yes Yes No Check the U400 Check the circuit around LCD U400 Short or not solder Yes ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 Initial ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 ...

Page 41: ...low Chart of Troubleshooting 9 6 9 3 Charging Part Check the U505 pin 1 4 9V Abnormal charging part END No Yes U505 pin 7 H No Yes Check the U505 pin8 4 2V No Yes Check the the circuit related to DCVOLT Resolder or replace U505 Check the circuit related to CHG_ON signal Yes U505 pin 4 L Yes No Resolder or replace U505 ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 Charging ...

Page 43: ...ation Flow Chart of Troubleshooting 9 8 9 4 Sim Part CN500 pin 1 5 H Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the 32k OSC After Power ON Check SIMCLK Signal on CN500 pin3 in a few second Yes No Replace PBA After SIM card insert CN500 pin 2 H SIM_RST Yes ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 ...

Page 45: ...amsung s authorization Flow Chart of Troubleshooting 9 10 9 5 Microphone Part Check the connection from MIC Check the circuit from U300 to MIC Resolder MIC Resolder the R605 R606 R609 R610 L602 L603 C606 and C610 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 11 Microphone ...

Page 47: ...801 pin 5 2 85V Speaker does not work Check the Clock signal at pin1 CLKI of U800 13MHz Check the clock generation circuit related to OSC101 and U800 END No Yes No Resolder or replace U801 C809 C810 Around U800 1 8V When U800 operate Resolder U800 Yes No is Speaker Contact in proper position Check the speaker Contact Yes No Is Speaker working No Yes Change the Speaker Yes Yes ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 Speaker ...

Page 49: ...d without Samsung s authorization Flow Chart of Troubleshooting 9 14 9 7 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key rubber END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the PBA No Yes ...

Page 50: ...eshooting This Document can not be used without Samsung s authorization 9 15 9 8 Receiver Part U600 pin11 L during call established Ceck U600 END No Yes Yes Receiver does not work Is Receiver working Replace the Receiver No Yes No Resolder or replace U600 Yes U600 pin 4 16 1 5 ...

Page 51: ...uthorization Flow Chart of Troubleshooting 9 16 9 9 LCD Part for Color Main Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes LCD does not work SOC700 pin 29 30 2 8V Resolder LCD module No Yes F703 pin 3 4 5 6 is OK Check the U401 No Yes Yes Replace the LCD Module ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 ...

Page 53: ...ts may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 18 9 10 Key Back Light C530 H Check the PMU related to VDD_KEY END No Yes Key Backlight does not work Yes ...

Page 54: ...oting This Document can not be used without Samsung s authorization 9 19 9 11 Camera part Reconnect the camera module No Yes Camera function does not work Yes Check the Camera connector on PCB HDC700 C718 2 8V Yes Resolder U401 No Check U801 pin2 pin4 related to 26MHz and R812 No ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 20 ...

Page 56: ...ND No Yes RX ON RF input CH center freq Amp 50dBm Check MODULE200 pin9 L pin12 L MODULE200 pin5 6 65dBm U100 pin32 70dBm pin33 70dBm U100 pin6 7 8 9 1V Check ANT Switch control circuit Resolder MODULE200 Resolder C101 L105 L106 Check U100 pin10 22 28 2 7V pin20 4 0V Check Resolder RF PMU Part Check Resolder U100 RF26MHz part R100 R101 R110 R113 R114 R115 1V Yes Yes Yes Yes Yes Yes Yes No No No No ...

Page 57: ...2 L Change or Resolder MODULE200 MODULE200 Pin11 20dBm Yes Yes No No Check ANT Switch control circuit Yes Resolder C217 C219 L216 MODULE200 Pin11 20dBm Check U200 VBATT pin17 OK No Resolder or change U200 or check PAM control signal Yes Yes MODULE200 Pin11 3dBm No Check VBATT No OSC100 pin1 6Bm Resolder R206 Yes No Check Resolder RF PSU part Check U100 pin4 4 0V pin22 28 2 7V U100 Pin6 7 8 9 500mV...

Page 58: ... MODULE200 Pin8 65dBm MODULE200 Pin1 2 65dBm U100Pin38 70dBm Pin39 70dBm U100 pin6 7 8 9 1V Yes Yes No Resolder CN201 C209 No Yes No Resolder MODULE200 Check ANT Switch control circuit Check MODULE200 pin9 L pin12 L Yes Yes Resolder L107 L108 L104 No Check U100 pin22 28 2 7V pin4 4 0V Check Resolder RF PSU Part No No Check Resolder U100 RF26MHz part R100 R101 Yes Yes R110 R113 R114 R115 1V Yes Che...

Page 59: ...er MODULE200 Yes Resolder CN201 C209 END Check U300 U100 Pin6 7 8 9 500mV OSC100 pin5 6Bm U200 Pin3 3dBm U200 Pin15 20dBm MODULE200 Pin13 20dBm 20dBm MODULE200 Pin8 20dBm No Check MODULE200 pin9 L pin12 H Yes Yes No No Yes No Check U200 VBATT pin17 OK Yes Yes Resolder or change U200 or check PAM control signal No No Check VBATT Yes Resolder R205 No Check U100 pin4 4 0V pin22 28 2 7V Yes Yes Check ...

Page 60: ...dBm Check ANT Switch control circuit Change or Resolder MODULE200 Resolder CN201 C209 MODULE200 pin3 4 65dBm MODULE200 Pin8 65dBm Yes No Yes Check MODULE200 pin9 L pin12 L No No Yes Yes U100 Pin35 36 70dBm No Resolder L101 L103 L102 Yes Check U100 pin4 4 0V pin22 28 2 7V U100 Pin 6 7 8 9 1V No Check Resolder RF PSU part Check Resolder U100 RF 26MHz part R100 R101 R110 R113 R114 R115 1V Yes Check U...

Page 61: ...0 pin4 4 0V pin22 28 2 7V Resolder R205 Check VBATT Check U200 VBATT pin17 OK Resolder or change U200 or check PAM control signal Resolder C219 L216 C217 Check ANT Switch control circuit Change or Resolder MODULE200 Yes Resolder CN201 C209 END Check U300 U100 Pin6 7 8 9 500mV OSC100 pin5 6Bm U200 Pin3 3dBm U200 Pin15 20dBm MODULE200 Pin13 20dBm MODULE200 Pin8 20dBm No Check MODULE200 pin9 L pin12 ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 27 ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 29 ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 30 ...

Page 66: ...K Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Divi...

Page 67: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 68: ...This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd 2006 12 Rev 1 0 ...

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