Samsung SGH-E740S Service Manual Download

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GSM TELEPHONE

SGH-E740S

GSM TELEPHONE

CONTENTS

Safety Precautions

Specification

Product Function

Array course control

Exploded View/Disassembly

and Assembly Instructions

MAIN Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

10.

Reference data

Summary of Contents for SGH-E740S

Page 1: ...TS 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: ...be punished under applicable International and or domestic law Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

Page 3: ...nnecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small and weak in heat Surely tune on off while using AC power plug because a repair of battery charger is dangerous when tuning ON OFF PBA and Connector after disassembling charger Don t use as you pleases after change other material than replacement registered on SEC System Otherwise engineer in charge isn t...

Page 4: ...SAMSUNG Proprietary Contents may change without notice Safety Precautions 1 2 This Document can not be used without Samsung s authorization BLUE LED ...

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: ...SAMSUNG Proprietary Contents may change without notice Safety Precautions 1 4 This Document can not be used without Samsung s authorization ...

Page 7: ...23 512 885 512 810 Tx Rx 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 4 max 33dBm 4 max 33dBm 1 max 30dBm 1...

Page 8: ...Bm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level GSM900 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power 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 1...

Page 9: ...es MTP Media Transfer Protocol Easy Fast PC sync Hands free speaker phone function Bluetooth v 2 0 EDR USB v 2 0 B T Headset FM Radio FM radio recording MP3 format support Organizer feature provides Calendar Alarms Calculator and Converter Multimedia Messaging Service send and receive text messages with animation and sound Text Messaging Service send and receive alphanumeric messages and Email Med...

Page 10: ...SAMSUNG Proprietary Contents may change without notice Operation Instruction and Installation 3 2 This Document can not be used without Samsung s authorization ...

Page 11: ...hange without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments Power Supply Cable Serial Cable CSA LL64151 A Test Jig GH80 03306A Test Cable GH39 00499A Data Cable ...

Page 12: ... v1 3 For PNX5230 tfs4 v1 6 exe E740 Mobile Phone Data Cable Binary file TFS file 4 2 2 S W Downloader Program Load the binary download program by executing the OneNAND Downloader v1 3 For PNX5230 tfs4 v1 6 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 ...

Page 13: ...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 14: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization ...

Page 15: ...ment can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QFU01 QMO01 QSP01 QKP02 QFR01 QCR57 QKP01 QME01 QSH01 QAN02 QCR72 QRE01 QRE04 QCR72 QCR72 QCR67 QSD01 QIF01 QCK01 QVO01 QBA01 QBA00 QMP01 QME16 QLC01 QCR58 QCA01 QFL01 QCR72 QSC01 QSC02 QRF12 QMI03 QMI01 QHI02 QMW02 QFU04 QCR47 QME02 ...

Page 16: ...UPPER V2 GH71 07423A QHI02 ASSY HINGE ACTUATOR BODY GH98 04898A QIF01 PMO COVER IF V3 GH72 39152A QKP01 ASSY KEYPAD MAIN TEC SIL GH98 05021A QKP02 ASSY KEYPAD EU SIL GH98 03671A QLC01 ELA ETC SGHE740 LCD MODULE M S GH96 02637B QME01 KEY FPCB MAIN KEY PBA S BLU GH59 04751A QME02 DOME SHEET DOME SHEET 10KEY SU GH59 04291A QME16 MEA SLIDER FPCB KIT E740 GH97 07815A QMI01 AS MIC SVC GH81 05445A QMI03 ...

Page 17: ...4 33987A TAPE INSU GH74 33431A MPR ELEC TAPE GH74 19116A TAPE GASK GH74 24020A TAPE INSU GH74 32907A TAPE ELEC LCD MODULE GH74 33381A TAPE INSU KEY FPCB L GH74 33780A TAPE INSU KEY FPCB R GH74 33781A BAG PE 6902 000634 LABEL P IMEI GH68 01335D LABEL R MAIN EU GH68 14766A BOX UNIT SEA GH69 05392C CUSHION CASE UK XSA_NEW GH69 05654A IC MEMORY CARD 1109 001352 BAG ZIPPER 6902 000683 S W CD SGHE740 PC...

Page 18: ...sassembly tool 1 Use a cruciform screwdriver 5 3 Disassembly and Assembly Instructions 5 3 1 Disassembly 1 Open the earjack cover downward 2 Undo a hook beside earjack cover with a disassembly tool and disassemble the rear cover in the direction which the arrow points to 1 1 Unscrew 6 rear screws 2 1 3 4 1 Undo a hook in the middle of rear with a disassembly tool and disassemble the rear in the di...

Page 19: ...rm screwdriver 1 Take care of not scratching on the slide lower 2 Use a cruciform screwdriver 3 When you remove screw caps use tweezers 1 Pull out the LCD connector raising a PBA by your own hand 5 1 Take off volume key FPCB and camera key FPCB outward from the front 2 Take off a shield can from the front 6 Pull out the connector Unscrew screws 1 Remove screw caps 2 Unscrew screws 1 Unscrew screws...

Page 20: ...atching on LCD 2 Be aware of dust inside the main window of slide upper 1 Pay special attention to surrounding components when using a soldering iron 2 Use a cruciform screwdriver 1 Undo a hook at the bottom of slide lower with a disassembly tool and disassemble the rear in the direction which the arrow points to 9 1 Take off camera speaker and motor 10 11 1 Take away SUB PBA from the slide upper ...

Page 21: ...Use a cruciform screwdriver 5 3 2 Assembly 1 2 3 4 1 Adhere a conductivity tape above the zip connector 2 Insert an FPCB into the zip connector and solder both sides of FPCB 3 Put a green insulation tape on FPCB standing on the white silk line 4 Tighten 3 screws with a SUB keypad 1 Put a sub PBA on slide upper 2 Make camera speaker and motor reach safe 1 After putting slide hinge up insert slide F...

Page 22: ...1 Make sure that slide FPCB and connector are assembled well 5 6 7 8 1 Attach screw caps to screws at the top of slide lower in accord with the direction right or left 2 Attach slide FPCB to the slide hinge in accord with 2 holes on FPCB 1 Put front into the 2 hooks at the top of slide hinge 2 Tighten 4 screws 3 Put main keypad on front 1 After putting a shield can on front stick volume key and ca...

Page 23: ...screws Top and bottom screws are identical But middle screws are different from them 2 Use a cruciform screwdriver 1 Be careful of not scratching on a rear cover and a rear 9 10 11 1 Insert key FPCB into the connector of main PBA 2 Tighten a screw at the bottom of main PBA 1 Tighten 4 screws at the top and bottom of rear 2 Tighten 2 screws in the middle of rear 1 Insert rear cover hook into rear h...

Page 24: ...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 25: ...SA C120 C CER CHIP 2203 006399 SA C121 C CER CHIP 2203 006399 SA C122 C CER CHIP 2203 005061 SA C123 C CER CHIP 2203 000233 SA C124 C CER CHIP 2203 000812 SA C125 C CER CHIP 2203 005482 SA C126 C CER CHIP 2203 005482 SA C127 C CER CHIP 2203 005482 SA C128 C CER CHIP 2203 000438 SA C130 C CER CHIP 2203 006562 SA C132 C CER CHIP 2203 000995 SA C133 C CER CHIP 2203 000995 SA C134 C CER CHIP 2203 0054...

Page 26: ...ER CHIP 2203 006423 SA C318 C CER CHIP 2203 006194 SA C319 C CER CHIP 2203 006423 SA C400 C CER CHIP 2203 006562 SA C401 C CER CHIP 2203 006562 SA C403 C CER CHIP 2203 006208 SA C404 C CER CHIP 2203 006208 SA C405 C CER CHIP 2203 006257 SA C406 C CER CHIP 2203 005571 SA C407 C CER CHIP 2203 006257 SA C409 C CER CHIP 2203 006257 SA C410 C CER CHIP 2203 006562 SA C411 C CER CHIP 2203 006257 SA C412 ...

Page 27: ...CER CHIP 2203 005682 SA C521 C CER CHIP 2203 005682 SA C522 C CER CHIP 2203 005682 SA C523 C CER CHIP 2203 005682 SA C524 C CER CHIP 2203 005682 SA C525 C CER CHIP 2203 005682 SA C526 C CER CHIP 2203 005682 SA C527 C CER CHIP 2203 005682 SA C530 C CER CHIP 2203 006562 SA C531 C CER CHIP 2203 006307 SA C532 C CER CHIP 2203 006260 SA C600 C CER CHIP 2203 005482 SA C601 C CER CHIP 2203 006562 SA C602...

Page 28: ...A L104 INDUCTOR SMD 2703 002700 SA L105 INDUCTOR SMD 2703 002369 SA L106 INDUCTOR SMD 2703 002369 SA L107 INDUCTOR SMD 2703 002700 SA L108 INDUCTOR SMD 2703 002369 SA L109 INDUCTOR SMD 2703 002365 SA L110 INDUCTOR SMD 2703 001729 SA L111 INDUCTOR SMD 2703 001613 SA L112 INDUCTOR SMD 2703 002369 SA L113 INDUCTOR SMD 2703 002597 SA L114 INDUCTOR SMD 2703 002596 SA L115 INDUCTOR SMD 2703 002597 SA L1...

Page 29: ...HIP 2007 008055 SA R211 R CHIP 2007 008542 SA R213 R CHIP 2007 008542 SA R217 R CHIP 2007 008050 SA R218 R CHIP 2007 008516 SA R220 R CHIP 2007 000140 SA R221 R CHIP 2007 008055 SA R222 R CHIP 2007 008516 SA R224 R CHIP 2007 001319 SA R225 R CHIP 2007 001319 SA R226 R CHIP 2007 009314 SA R227 R CHIP 2007 009314 SA R231 R CHIP 2007 007318 SA R232 R CHIP 2007 000148 SA R300 R CHIP 2007 008516 SA R30...

Page 30: ...07 R CHIP 2007 008483 SA R508 R CHIP 2007 008055 SA R509 R CHIP 2007 008516 SA R510 R CHIP 2007 007142 SA R511 R CHIP 2007 008516 SA R512 R CHIP 2007 007334 SA R515 R CHIP 2007 007312 SA R517 R CHIP 2007 008516 SA R518 R CHIP 2007 009168 SA R519 R CHIP 2007 009168 SA R521 R CHIP 2007 009168 SA R522 R CHIP 2007 009168 SA R523 R CHIP 2007 009168 SA R524 R CHIP 2007 009361 SA R525 R CHIP 2007 009168 ...

Page 31: ...IC 0801 003022 SA U400 IC POSI FIXED REG 1203 003737 SA U401 IC POSI FIXED REG 1203 003737 SA U402 IC POSI FIXED REG 1203 003688 SA U403 IC POWER SUPERVISOR 1203 004382 SA U405 IC POSI FIXED REG 1203 003737 SA U406 IC POSI FIXED REG 1203 003737 SA U407 IC POSI FIXED REG 1203 003787 SA U502 IC ANALOG SWITCH 1001 001401 SA U503 IC CMOS LOGIC 0801 003130 SA U600 IC CODEC 1205 003214 SA U601 IC AUDIO ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 8 This Document can not be used without Samsung s authorization ...

Page 33: ...15 DSP TCC8222 BT BCM2048 w FM LCD CAM VIB NAVI SPK CODEC WM1808 AMP LM4946SQ I2S I2C CODEC_R L HD 0 15 HFR_P N AFR L FM UART2 PCM I F MIC_IN_P N ESD filter PACUSBU3 USB_D EXT Conn USB2 0 1 1 EXT Conn USB2 0 1 1 USB S W FSUSB30L10X USBDP M USB_MODEM USB_MP3 T FLASH SIM SD_DET CTL SIMIO CLK EXT Conn EXT Conn SLIDE FPCB SPK SLIDE FPCB SPK SPK_P N EARSPK_RL ANT ANT EXT Conn Pin1 EXT Conn Pin1 FM_ANT ...

Page 34: ... C090SF Integrated Power Control LB_RFOUT HB_RFOUT I ADC Q ADC Digital Filter Baseband Interface Baseband Interface Low_IF DET VCO Frequency Synthesizer PA CTRL TCXO 0 90 0 90 LB_RFIN HB_RFIN RAMP MODE_SELECT PON_PA VBAT BAND_SELECT PAM RF3159 Transceiver PMB6272 PCS1900_RX GSM900_RX DCS1800_RX MODEM PNX5230EL1 XTAL2 XTAL1 D_REF_CLK XOUT RF_CLK RF_DATA RF_EN RX_TX_QN RX_TX_QP RX_TX_IN RX_TX_IP VC2...

Page 35: ...8 PCB Diagrams 8 1 Top ...

Page 36: ...PCB Diagrams 8 2 Bottom ...

Page 37: ...thorization 9 1 9 1 Power On Yes Yes Check the initial operation Check the VDD_GSM_CORE circuit C433 VDD_GSM_CORE 1 2V No C403 VDD_IO_LOW C405 VDD_IO_HIGH H Yes No Check the Clock at R405 32KHz Yes No Change the PMIC U403 Yes No END Change the Battery Power On does not work Check the Battery Voltage is more than 3 5V Yes Resolder OSC400 ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 ...

Page 40: ...ng s authorization Flow Chart of Troubleshooting 9 4 9 2 Initial Initial Failure END Is R224 R225 OK Yes No Check the U403 Check the 16bit data signal Yes Yes Check the Battery Voltage is more than 3 5V No Change the Battery Yes Check the circuit related to reset No Check U403 pin 14 32KHz_DIGIT Yes ...

Page 41: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 ...

Page 42: ...ng s authorization Flow Chart of Troubleshooting 9 6 9 3 Charging Part Yes Resolder or replace U403 Check the circuit related to AUX_ON signal Check the circuit related to V_EXT_CHARGE Yes No Check the U403 pin 46 1 4V Yes No U403 pin 34 L Yes No END Abnormal charging part Check the U403 pin 38 4 9V ...

Page 43: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 ...

Page 44: ...hart of Troubleshooting 9 8 9 4 Sim Part Phone can t access SIM Card Yes T SIM500 pin 11 or 14 SIM_VCC H No Resolder or replace U403 Yes After Power ON Check SIMCLK Signal on pin15 of T SIM500 in a few second Check the Clock No Yes After SIM card insert T SIM500 pin 13 SIMRST H Replace PBA No Yes Check the SIM Card Yes END ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 ...

Page 46: ...rization Flow Chart of Troubleshooting 9 10 9 5 Microphone Part Check the MIC Yes Microphone does not work Check the JACK_IN signal No Check F500 PIN 5 H No Yes Yes Yes Yes No END Resolder the TA602 R605 R608 R609 Resolder MIC Check the circuit from UCP200 to MIC Check the connection of MIC Replace the MIC No ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 11 ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 ...

Page 49: ...Yes U601 pin 7 2 9V Resolder or replace U601 No Yes No Resolder HCD500 HCD500 pin 2 3 1 8V When U601 operate Yes Resolder of change the Speaker Is the Speaker working END No Yes No Resolder U601 U601 pin 15 17 1 8V When U601 operating Yes No Yes Check the clock generation circuit related to U101 and TCX100 Check the Clock signal at Pin 1 of TCX100 26MHz L104 pin 1 2 1 8V No Resolder or change L104...

Page 50: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 14 ...

Page 51: ...cument can not be used without Samsung s authorization 9 15 9 7 Key Data Input When one of the keys is pushed Isn t it displayed on LCD Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KEY_ROW 0 4 KEY_COL 0 4 signal is OK Replace the PBA No Yes ...

Page 52: ...ceiver does not work Yes No Resolder UCP200 or change PBA Check the U601 Pin 22 23 HFR_P N 1 4V Yes Check the U601 Pin 15 17 SPK_P N 1 8V Yes No Resolder or replace the U601 Resolder or replace the HCD500 Check the HCD500 Pin 2 3 1 8V No Yes Modify the speaker wire soldering Check the soldering of the speaker wire No Yes Is Receiver working No Replace the Speaker Yes END ...

Page 53: ... 3 3 30 30 31 31 32 32 33 33 34 34 35 35 36 36 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 14 15 15 16 16 17 17 18 18 19 19 2 2 20 20 21 21 1 1 10 10 11 11 12 12 13 13 14 HCD500 C528 C530 SPK_N FLM KEY_COL 2 VDD_WHEEL WHEEL_SW1 WHEEL_SW2 SPK_P VGH_DETECT Y 3 Y 5 Y 7 KEY_ROW 2 P_CLK M_CLK RS LCD_RESET LD 15 LD 14 LD 13 LD 12 LD 11 LCD_MAIN_CS L_WR LD 7 LD 6 LD 5 LD 4 LD 3 LD 2 SLIDER_KEY_ON VIB LD...

Page 54: ...of Troubleshooting 9 18 9 9 Back Light for Color Main LCD Backlight does not work Yes Set LCD Contrast on high level Is LCD Contrast set on high level in the Menu No Yes No Resolder HCD500 or change PBA Check the HCD500 pin 58 H Yes Change the LCD Module Yes END Check the SLC100 pin 58 H Yes Resolder SLC100 or change SUB PBA No ...

Page 55: ... 3 3 30 30 31 31 32 32 33 33 34 34 35 35 36 36 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 14 15 15 16 16 17 17 18 18 19 19 2 2 20 20 21 21 1 1 10 10 11 11 12 12 13 13 14 HCD500 C528 C530 SPK_N FLM KEY_COL 2 VDD_WHEEL WHEEL_SW1 WHEEL_SW2 SPK_P VGH_DETECT Y 3 Y 5 Y 7 KEY_ROW 2 P_CLK M_CLK RS LCD_RESET LD 15 LD 14 LD 13 LD 12 LD 11 LCD_MAIN_CS L_WR LD 7 LD 6 LD 5 LD 4 LD 3 LD 2 SLIDER_KEY_ON VIB LD...

Page 56: ...ion Flow Chart of Troubleshooting 9 20 9 10 Key Back Light Main Key LED does not work Yes No Resolder or change the UCP200 Check the UCP200 related to BACKLIGHT Yes END Check the U103 pin 2 H Yes No Resolder or change the U103 on Sub PBA Check the U103 pin 5 8 C112 C117 H Resolder or change the U103 on Sub PBA No ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 21 ...

Page 58: ...ization Flow Chart of Troubleshooting 9 22 9 11 Camera part Camera function does not work Yes Check the Camera connector on Sub PBA Reconnect the camera module No HCD500 Pin 27 H Yes Resolder HCD500 or change PBA No Yes Check U302 related to 32MHz No R336 or SLC101 pin 8 32MHz Yes Replace the camera module END ...

Page 59: ... 3 3 30 30 31 31 32 32 33 33 34 34 35 35 36 36 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 14 15 15 16 16 17 17 18 18 19 19 2 2 20 20 21 21 1 1 10 10 11 11 12 12 13 13 14 HCD500 C528 C530 SPK_N FLM KEY_COL 2 VDD_WHEEL WHEEL_SW1 WHEEL_SW2 SPK_P VGH_DETECT Y 3 Y 5 Y 7 KEY_ROW 2 P_CLK M_CLK RS LCD_RESET LD 15 LD 14 LD 13 LD 12 LD 11 LCD_MAIN_CS L_WR LD 7 LD 6 LD 5 LD 4 LD 3 LD 2 SLIDER_KEY_ON VIB LD...

Page 60: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 24 ...

Page 61: ... notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 25 9 12 BLUETOOTH END Yes Replace ANT102 No Check ANT102 Yes Resolder U102 or Replace UCP200 No RTS2 TXD2 TP106 TP107 H Yes BLUETOOTH does not work ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 26 ...

Page 63: ... RF input 62CH Amp 50dBm Yes MOD100 pin8 65dBm No Resolder CNS100 C102 Yes MOD100 pin1 2 65dBm Check MOD100 pin10 12 L No No Check ANT Switch control circuit Yes Resolder MOD100 Yes U101 pin27 28 70dBm No Resolder L113 L114 L115 Yes No No Check or resolder TCX100 26MHz RF PSU Part Check U101 pin 5 15 17 20 31 38 2 7V U101 pin1 2 3 4 1V Yes Yes Resolder U101 Check UCP200 END ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 ...

Page 65: ... No Check ANT Switch control circuit MOD100 pin13 18dBm Check MOD100 pin12 H and pin10 L Yes Yes No Change or Resolder MOD100 Yes Resolder C107 L111 PAM100 pin12 18dBm Check PAM100 pin4 pin6 H No PAM100 pin7 11dBm Yes Yes Resolder or Change PAM100 No Check VBAT or PAM100 control signal No U101 pin1 2 3 4 1V Check Resolder U101 TCX100 26MHz RF PSU Part Check U101 pin 5 15 17 20 31 38 2 7V No No Res...

Page 66: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 30 ...

Page 67: ...ck UCP200 No No Yes Yes Yes Resolder U101 Check Resolder TCX100 26MHz RF PSU Part Check U101 pin 5 15 17 20 31 38 2 7V U101 pin1 2 3 4 1V END No No No Yes Yes Yes Resolder L107 L108 L112 Resolder MOD100 Check ANT Switch control circuit U101 pin24 25 70dBm MOD100 pin3 4 65dBm Check MOD100 pin10 12 L RX ON RF input 698CH Amp 50dBm Yes No Resolder CN100 C102 MOD100 pin8 65dBm ...

Page 68: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 ...

Page 69: ... 15 17 20 31 38 2 7V Yes Resolder U101 Check UCP200 END No Yes Check Resolder TCX100 26MHz RF PSU Part Yes Yes Yes Yes Yes Yes Check VBAT or PAM100 control signal Resolder or Change PAM100 Yes Resolder C108 C112 L110 Check ANT Switch control circuit Change or Resolder MOD100 PAM100 pin1 11dBm PAM100 pin18 18dBm MOD100 pin11 18dBm Check MOD100 pin12 L pin10 H TX ON 0Level Resolder CN100 C102 MOD100...

Page 70: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 34 ...

Page 71: ...ck UCP200 No No Yes Yes Yes Resolder U101 Check Resolder TCX100 26MHz RF PSU Part Check U101 pin 5 15 17 20 31 38 2 7V U101 pin1 2 3 4 1V END No No No Yes Yes Yes Resolder L104 L105 L106 Resolder MOD100 Check ANT Switch control circuit U101 pin22 23 70dBm MOD100 pin5 6 65dBm Check MOD100 pin10 12 L RX ON RF input 661CH Amp 50dBm Yes No Resolder CN100 C102 MOD100 pin8 65dBm ...

Page 72: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 36 ...

Page 73: ...2 No MOD100 pin11 18dBm Check MOD100 pin12 L pin10 H No Yes Check ANT Switch control circuit Yes Change or Resolder MOD100 No PAM100 pin18 18dBm Yes Resolder C108 C112 L110 Check PAM100 pin4 6 H No PAM100 pin1 11dBm Yes Yes Resolder or Change PAM100 Check VBAT or PAM100 control signal No No U101 pin1 2 3 4 1V Check U101 pin 5 15 17 20 31 38 2 7V No No Check Resolder TCX100 26MHz RF PSU Part Yes Re...

Page 74: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 38 ...

Page 75: ...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 76: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

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