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Samsung SGH-E780, Service Manual

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Samsung SGH-E780 Service Manual Download Page 49

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-

12

9-6. Speaker Part(MP3/Spk)

Stereo Speaker does not work

Yes

Peplace Speaker

Yes

No

Check the Speaker

contact pins

No

Yes

Change U601 (Analog switch)

Check the signal at 2,10

pins of U601

No

Yes

Check 1 pin of U601 is 2.6V

Check the signal at 1

pins of U601

END

Summary of Contents for SGH-E780

Page 1: ...y Precautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View and Parts List 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Flow Chart of Troubleshooting 10 Reference data 11 Disassembly and Assembly instructions ...

Page 2: ...ntrol 4 1 Downloading Binary Files 4 4 4 2 Pre requsite for Downloading 4 4 4 3 S W Downloader Program 4 5 5 Exploded View and Parts list 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Parts list 5 2 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 7 1 RF Solution Block Diagram 7 1 7 2 BT Solution Block Diagram 7 2 7 3 Base Band Solution Block Diagram 7 3 8 1 PCB Top Diagram 8...

Page 3: ... 9 13 9 8 Receiver Part 9 14 9 9 LCD Part 9 15 9 10 Camera part 9 16 9 11 Main Key EL sheet part 9 17 9 12 Bluetooth part 9 18 9 13 EGSM Receiver 9 20 9 14 EGSM Transmitter 9 21 9 15 DCS Receiver 9 22 9 16 PCS Transmitter 9 23 9 17 DCS PCS Transmitter 9 24 10 Reference data 10 1 Reference Abbreviate 10 1 11 Disassembly and Assembly instructions 11 1 Disassembly 11 1 11 2 Assembly 11 4 ...

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 13dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dB...

Page 7: ...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 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 PCS1900 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...

Page 8: ... 7 5 dBm 19 5 5 dBm TX Power control level DCS1800 2 26 4 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 12 3 dBm 9 10 3 dBm 10 14 3 dBm 11 12 4 dBm 12 10 4 dBm 13 8 4dBm 14 6 4 dBm 15 4 4 dBm TX Power control level PCS1900 2 26 4 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 12 3 dBm 9 10 3 dBm 10 14 3 dBm 11 12 4 dBm 12 10 4 dBm 13 8 4dBm 14 6 4 dBm 15 4 4 dBm ...

Page 9: ...Specification 2 4 ...

Page 10: ...ion 3 1 This Document can not be used without Samsung s authorization Main Function Camera and camcorder Image editor MP3 player Phonebook Name card Multimedia Message Service MMS E mail Voice recorder Bluetooth Get personal with photo caller ID Web browser Java Calendar ...

Page 11: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 12: ...SUNG Proprietary Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization RF Test Cable GH39 00283A Test JIG BOX GH80 03306A USB JIG Cable ...

Page 13: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 2 This Document can not be used without Samsung s authorization Test Cable GH39 00499A Serial Cable Power Supply Cable ...

Page 14: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 3 This Document can not be used without Samsung s authorization Data Test Cable GH39 00444A TA GH44 01060A ...

Page 15: ...sung s authorization Software Downloading 4 1 Downloading Binary Files Two files for downloading SGH E780 E780XXYY cla Main source binary code E780XXYY tfs Application code 4 2 Pre requsite for Downloading Downloader Program Downloader_Rabia_V1 2_060216_MINI exe E780 Mobile Phone Data Cable Binary files Application files ...

Page 16: ...may change without notice Array course control 4 5 This Document can not be used without Samsung s authorization 4 3 S W Downloader Program 1 Load the binary download program by executing the Downloader_Rabia_V1 2_060216_MINI exe 1 ...

Page 17: ...rray course control 4 6 This Document can not be used without Samsung s authorization 2 Select the BIN TFS and Click the BIN and select E780XXYY cla file Click the TFS and select E780XXYY tfs file 3 Select the Serial Port when the download cable is connected ...

Page 18: ...ect the START and Power on the Phone Click the 확인 button Up to 51 ports are supported Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone However Downloader_Rabia_V1 2_060216_MINI will use a slower speed if either the PC s or the phone s serial hardware is incapable of handling the selected speed ...

Page 19: ...g s authorization 5 Click DOWNLOAD ant then start Downloading 6 When downloading is finished successfully there is a Download completed message 7 After finishing downloading Certain memory resets should be done to guarantee the normal performance 8 Confirm the downloaded version name and etc 5002 8376263 Full Reset 2767 3855 ...

Page 20: ...an not be used without Samsung s authorization 5 1 Cellular phone Exploded View QWD02 QCW01 QFU01 QVO07 QME03 QBR02 QLC01 QCA01 QFL01 QCR06 QSC11 QMW01 QFR01 QMI03 QKP01 QME01 QBR01 QAN02 QMP01 QSP02 QSP01 QAR01 QMO01 QAN06 QCR06 QSC03 QBA01 QBA00 QCK01 QVO01 QRF08 QBR03 QRE01 QSC02 QRF01 QCR05 QRF03 QCB01 ...

Page 21: ...SE LOWER FOLDER GH75 09014A QKP01 MEC KEYPAD MAIN XET BLK GH75 09019A QLC01 LCD LCD MODULE GH07 00847A QME01 UNIT EL KEY PBA GH59 02884A QME03 UNIT MP3 KEY FPCB GH59 02883A QMO01 MOTOR DC SGHE780 GH31 00219A QMP01 PBA MAIN SGHE780 GH92 02714A QMW01 MEC MAIN WINDOW GH75 09022A QRF01 MPR TAPE RF JACK GH74 21935A QRF08 MPR TAPE RF CABLE GH74 21934A QSC02 RMO COVER SCREW TOP GH73 06257A QSC03 RMO COVE...

Page 22: ...GH69 03845A BOX UNIT EU GH69 03890A MPR BOHO VINYL LCD CONN GH74 14737A MPR CUSHION LCD SUB LDI GH74 21911A MPR CUSHION DUAL WINDOW GH74 21912A MPR TAPE CAMERA CONN GH74 21929A MPR TAPE FRONT ANTI DUST GH74 21930A MPR TAPE PCB MASKING GH74 21931A MPR VINYL BOHO UPPER OUT GH74 21937A MPR VINYL BOHO LOWER OUT GH74 21938A MPR VINYL BOHO UPPER IN GH74 21939A MPR TAPE LCD COND 1 GH74 21944A MPR VINYL B...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Exploded View and Parts List 5 4 This Document can not be used without Samsung s authorization ...

Page 24: ...HIP 2203 000812 SA C126 C CER CHIP 2203 005682 SA C127 C CER CHIP 2203 006260 SA C130 C CER CHIP 2203 000233 SA C131 C CER CHIP 2203 005444 SA C133 C CER CHIP 2203 000854 SA C134 C CER CHIP 2203 000679 SA C137 C CER CHIP 2203 000466 SA C140 C CER CHIP 2203 000254 SA C143 C CER CHIP 2203 000530 SA C147 C CER CHIP 2203 000278 SA C149 C CER CHIP 2203 000425 SA C150 C CER CHIP 2203 005057 SA C151 C CE...

Page 25: ...628 SA C408 C CER CHIP 2203 006257 SA C409 C CER CHIP 2203 000233 SA C411 C CER CHIP 2203 000812 SA C412 C CER CHIP 2203 006208 SA C413 C CER CHIP 2203 006562 SA C414 C CER CHIP 2203 006208 SA C415 C CER CHIP 2203 006257 SA C416 C CER CHIP 2203 006257 SA C418 C CER CHIP 2203 006208 SA C419 C CER CHIP 2203 005482 SA C422 C CER CHIP 2203 006208 SA C423 C CER CHIP 2203 006208 SA C424 C CER CHIP 2203 ...

Page 26: ...83 SA C716 C CER CHIP 2203 005683 SA C717 C CER CHIP 2203 005683 SA C718 C CER CHIP 2203 005683 SA C719 C CER CHIP 2203 005683 SA C720 C CER CHIP 2203 005683 SA C721 C CER CHIP 2203 005683 SA C722 C CER CHIP 2203 005683 SA C723 C CER CHIP 2203 005683 SA C724 C CER CHIP 2203 005683 SA C725 C CER CHIP 2203 005683 SA C726 C CER CHIP 2203 005683 SA C727 C CER CHIP 2203 005683 SA C728 C CER CHIP 2203 0...

Page 27: ...SMD 2703 002207 SA L105 INDUCTOR SMD 2703 002313 SA L108 INDUCTOR SMD 2703 002314 SA L109 INDUCTOR SMD 2703 002313 SA L113 INDUCTOR SMD 2703 002267 SA L114 INDUCTOR SMD 2703 001752 SA L115 BEAD SMD 3301 001729 SA L116 INDUCTOR SMD 2703 002281 SA L118 INDUCTOR SMD 2703 002268 SA L125 INDUCTOR SMD 2703 001723 SA L126 INDUCTOR SMD 2703 002313 SA L127 INDUCTOR SMD 2703 002281 SA L200 BEAD SMD 3301 001...

Page 28: ...SA R314 R CHIP 2007 001303 SA R315 R CHIP 2007 000157 SA R318 R CHIP 2007 000171 SA R327 R CHIP 2007 000171 SA R328 R CHIP 2007 000171 SA R401 R CHIP 2007 000171 SA R402 R CHIP 2007 007100 SA R405 R CHIP 2007 000162 SA R406 R CHIP 2007 002796 SA R504 R CHIP 2007 000148 SA R505 R CHIP 2007 000162 SA R506 R CHIP 2007 000152 SA R508 R CHIP 2007 000170 SA R509 R CHIP 2007 000170 SA R510 R CHIP 2007 00...

Page 29: ...01402 SA TCX100 OSCILLATOR VCTCXO 2809 001281 SA TR300 FET SILICON 0505 001325 SA TR500 TR DIGITAL 0504 001151 SA U102 IC TRANSCEIVER 1205 002817 SA U103 IC POWER AMP 1201 002280 SA U301 BLUETOOTH MODULE 4709 001426 SA U302 IC CMOS LOGIC 0801 003025 SA U303 IC CMOS LOGIC 0801 002237 SA U305 IC ASIC GH13 00032A SA U400 IC POWER SUPERVISOR 1203 003882 SA U401 IC POSI FIXED REG 1203 003737 SA U402 IC...

Page 30: ...out Samsung s authorization Design LOC Description SEC Code STATUS VR501 VARISTOR 1405 001082 SA VR700 VARISTOR 1405 001082 SA VR701 VARISTOR 1405 001082 SA ZD400 DIODE TVS 0406 001253 SA ZD500 DIODE ZENER 0403 001547 SA ZD502 DIODE ZENER 0403 001547 SA ZD700 DIODE ZENER 0403 001511 SA ZD701 DIODE TVS 0406 001201 SA ...

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

Page 32: ...ument can not be used without Samsung s authorization 7 Block Diagrams 7 1 UAA3587EHN FAR F5EA 897M50 D27CH LMSP54HA 350 BGY292E FESW1 FESW2 FESW3 Tx GSM900 H L L Tx DCS1800 1900 L H L Rx GSM900 L L L Rx DCS1800 L L L Rx DCS1900 L L H 7 1 RF Solution Block Diagram ...

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

Page 34: ...g Circuit Li Ion Battery Slim Standard PCF5213EL1 VIBRATOR SYSTEM CLOCK 26MHz RTC_CLOCK 32 768KHz KEY_BOARD RECEIVER MIC LCD RF INTERFACE D3VDD AVDD VINT PMU D2VDD Serial Data Interface I O Interface A D Interface BB INTERFACE MELODY IC 64 Poly SPEAKER IOVDD VDD_RX_TX VCC_SYN MIC_BIAS CPVDD D1VDD SIMEN GPO VCHG VSAVE SIM CARD MV319DNQ Ext SPEAKER 1G OneNAND MEMORY 7 3 Base Band Solution Block Diag...

Page 35: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 7 4 ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization 8 1 PCB Top Diagram ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization 8 2 PCB Bottom Diagram ...

Page 38: ...s not work Change the Battery END No Yes C408 VINT 2 7V Check the PMU related to VINT No Yes Check the Clock at R402 32KHz Resolder OSC400 No Yes C424 C425 H C424 VDD_IO_HIGH 2 9V C425 VDD_IO_LOW 1 8V Check the related citcuit No Yes C401 VDD_GSM_CORE 1 875V Check the VDD_GSM_CORE circuit No Yes Check for the clock at C116 26MHz No Yes Check the initial operation Yes Yes Check the clock generation...

Page 39: ...23 22 RF1VDD RF2VDD 24 SCL 2 SCN 38 SCP 37 SDA 3 LPVDD 19 MICBIAS 12 NC 53 54 NC OSCI 26 OSCO 25 PWREN1 6 PWREN2 5 GPO1 48 GPO2 47 46 GPO3 18 HCVBAT HCVDD 17 IOD2VBAT 15 14 IOVDD 20 LPD1VBAT CPVDD 35 D1VDD 21 16 D2VDD D3VDD 39 GND 49 50 GND GND 51 52 GND U400 CHGCUR BATMAX 34 CHGDRV 33 CLK32K 4 CPVBAT 36 OSC400 V400 C413 R406 C408 C423 C417 C412 0 R405 C415 POS C426 BAT400 NEG C425 R408 R404 C424 ...

Page 40: ...ange without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 26MHz Clock Typical 3 7V 2 9V L401 C401 L400 C404 GND 2 GND 5 6 IN 1 LX OUT 3 4 _SHDN U402 VDD_IO_HIGH VBAT VDD_GSM_CORE ...

Page 41: ...an not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 9 2 Initial Is UCP200 RSTON is HIGH Initial Failure Check the circuit related to reset END No Yes Is UCP200 R214 R216 OK Yes Yes No Check the UCP200 Check the 16bit data signal memory CE Yes ...

Page 42: ...prietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 Initial PCF50603 U400 PCF5213 UCP200 I2C Communication RSTON SIMIO IT_PMU ...

Page 43: ...Chart of Troubleshooting 9 6 9 3 Charging Part Check the U502 pin 1 4 9V Abnormal charging part END No Yes U502 pin 5 L No Yes Check the U502 pin 10 4 2V No Yes Check the the circuit related to V_EXT_CHARGE Resolder or replace U502 Check the circuit related to AUX_ON signal Yes U502 pin 8 L Yes No Resolder or replace U502 ...

Page 44: ...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 45: ...on Flow Chart of Troubleshooting 9 8 9 4 Sim Part SIM400 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 clock After Power ON Check SIM_CLK Signal on pin3 of SIM400 in a few second Yes No Replace PBA After SIM card insert SIM400 pin 2 H SIM_RST Yes ...

Page 46: ...ts may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 SIM P M U SIM_VCC SIM_CLK SIM_RST SIM_IO C419 C422 C418 7 8 G G 9 10 G SIM400 1 2 3 4 5 6 G 2 292292 7 ...

Page 47: ... authorization Flow Chart of Troubleshooting 9 10 9 5 Microphone Part Check the connection from MIC Check the circuit from UCP200 to MIC Resolder MIC Resolder the C603 C606 L600 and L601 END No Yes Yes Yes Yes No U600 is OK No Check the U600 Microphone does not work Yes Check the MIC No Replace the MIC ...

Page 48: ...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 49: ...authorization Flow Chart of Troubleshooting 9 12 9 6 Speaker Part MP3 Spk Stereo Speaker does not work Yes Peplace Speaker Yes No Check the Speaker contact pins No Yes Change U601 Analog switch Check the signal at 2 10 pins of U601 No Yes Check 1 pin of U601 is 2 6V Check the signal at 1 pins of U601 END ...

Page 50: ...t Samsung s authorization Flow Chart of Troubleshooting 9 13 9 7 Key Data Input When one of the keys is pushed KEY_ROW 0 4 KEY_COL 0 4 signal is OK Yes No Replace the PBA Check Initial Operation Yes Yes No END Check the Dome sheet Key Pad When one of the keys is pushed is it displayed on LCD ...

Page 51: ...t can not be used without Samsung s authorization 9 14 9 8 Receiver Part END Yes Receiver does not work Yes No Change LCD Module Yes No Resoldering of the wire Check the soldering at SPK SPK PAD of the LCD Module Yes Is it working No change Receiver Check the signal at SPK SPK PAD of the LCD Module ...

Page 52: ...t notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 9 9 LCD Part END Yes LCD does not work Check the board to board FPC Change the board to board FPC No Yes Is it working Check LCD Module No Yes ...

Page 53: ...s authorization 9 16 9 10 Camera part Camera function does not work Yes No Reconnect the camera module Check the Camera connector on LCD module Yes Check the voltage of 38 pin of HDC700 2 9V No Check U305 Yes Check the 26 32 pins clock of HDC700 No Check the related circuit of U305 Yes Is it working No Change Camera Module END Yes ...

Page 54: ...roubleshooting This Document can not be used without Samsung s authorization 9 17 9 11 Main Key EL sheet part END Yes Is it working Yes Yes Check the 4 pin of U707 is high Check the U707 No Yes Main key LED does not work Check the 6 pin of U709 and C754 Check the U709 No ...

Page 55: ...Document can not be used without Samsung s authorization 9 18 9 12 Bluetooth part END Yes Change the Bluetooth Module No Is it working Yes Check the contact point R306 No Check the contact of Bluetooth Intenna Yes Check the 2 pin of U301 is high Change the U301 No Yes Bluetooth does not work ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 19 ...

Page 57: ...Yes Yes Yes Yes C144 C145 1V Resolder U102 Check Resolder U102 R103 R105 R106 RF26MHz RF PSU Part Check U102 pin23 26 28 31 2 7V U102 pin7 8 9 10 1V END No No No Yes Yes Yes Resolder C119 C121 L114 Resolder F101 Check ANT Switch control circuit U102 pin29 70dBm pin30 70dBm F101 pin5 pin6 65dBm Check F101 pin9 10 12 L RX ON RF input 62CH Amp 50dBm Yes No Resolder RFS100 C101 F101 pin8 65dBm ...

Page 58: ...1 pin11 18dBm Check F101 pin10 H 2 68V pin9 pin12 L No Yes Check ANT Switch control circuit Yes Change or Resolder F101 No U103 pin16 18dBm Yes Resolder L116 C131 C132 Check U103 VBAT pin7 14 OK No U103 pin12 11dBm Yes Yes Resolder or Change U103 Check VBAT or U103 control signal No No U102 pin7 8 9 10 1V Check U102 pin23 26 28 31 2 7V OK No No Check Resolder U102 R103 R105 R106 RF26MHz RF PSU Par...

Page 59: ...es Yes Yes Yes C144 C145 1V Resolder U102 Check Resolder U102 R103 R105 R106 RF26MHz RF PSU Part Check U102 pin23 26 28 31 2 7V U102 pin7 8 9 10 1V END No No No Yes Yes Yes Resolder C111 C115 L113 Resolder F101 Check ANT Switch control circuit U102 pin35 70dBm pin36 70dBm F101 pin1 pin2 65dBm Check F101 pin9 10 12 L RX ON RF input 698CH Amp 50dBm Yes No Resolder RFS100 C101 F101 pin8 65dBm ...

Page 60: ...Yes Yes Yes C144 C145 1V Resolder U102 Check Resolder U102 R103 R105 R106 RF26MHz RF PSU Part Check U102 pin23 26 28 31 2 7V U102 pin7 8 9 10 1V END No No No Yes Yes Yes Resolder L104 L106 C100 Resolder F101 Check ANT Switch control circuit U102 pin32 70dBm pin33 70dBm F101 pin3 pin4 65dBm Check F101 pin9 H pin10 12 L RX ON RF input 661CH Amp 50dBm Yes No Resolder RFS100 C101 F101 pin8 65dBm ...

Page 61: ...101 pin13 18dBm Check F101 pin12 H 2 68V pin9 pin10 L No Yes Check ANT Switch control circuit Yes Change or Resolder F101 No U103 pin18 18dBm Yes Resolder L107 L120 C133 Check U103 VBAT pin7 14 OK No U103 pin4 11dBm Yes Yes Resolder or Change U103 Check VBAT or U103 control signal No No U102 pin7 8 9 10 1V Check U102 pin23 26 28 31 2 7V OK No No Check Resolder U102 R103 R105 R106 RF26MHz RF PSU Pa...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 25 ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 26 ...

Page 64: ...PSK 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 Di...

Page 65: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 66: ...ion and transformation of HOOK 1 In disassembling FOLDER notice that FPCB isn t torn and folded 1 2 3 4 5 6 1 Remove 4 screws 2 Remove the COXIAL CABLE TAPE 2 refer to the picture guideline 1 Use disassembling JIG to remove REAR COVER 3 After remove left right HOOK unlock lower HOOK 1 Remove LCD CON 2 Remove KEY CON 3 Remove ANT CABLE 1 Unlock HOOK and then remove the PBA 1 Remove 2 screws of INT ...

Page 67: ...e of the rear not to fall separately it pays attention 2 In order for the speaker FPCB not to become the cut it pays attention 7 1 It uses the disassembly jig it removes the hook of folder right and left side 8 1 It removes the tape which fixes the mp3 key connector 2 With the picture together it hands down the con and it separates the mp3 key 9 1 It removes the tape which fixes the camera module ...

Page 68: ...ssembly instructions 11 3 This Document can not be used without Samsung s authorization 1 Warning LCD CRACK 13 1 It catches the both sides end of the folder loser it separates the lcd slowly 2 The LCD broke and the LDI shade TAPE should have come to come off it confirms 14 ...

Page 69: ...h it after sticking the tape 11 2 Assembly 1 1 Put the lcd ass y on the folder lower safely 1 Put speaker motor and receiver on the folder 1 After inserting the mp3 FPCB on CON stick a sticker on it 1 Assemble the FOLDER UPPER as the picture 1 Turn the folder upper screw to the right and put the SHEET on it 2 1 First insert the camera FPCB on the CON then put the camera on the folder Stick a tape ...

Page 70: ... same as the picture 1 Confirm the CABLE is pushed or the appliance are pressing it 7 8 9 10 11 12 1 Insert FRONT FPCB on the connecter carefully not to damage the FPCB 2 Push the hinge to connect folder and front after checking the connection condition 1 Put the EL KEY ASS Y to the front safely 1 Affix the light shut out SHEET And combine an INTENNA 1 Combine the coxial cable as the picture 1 Com...

Page 71: ...check that the connectors not be pushed under the PBA 13 14 15 16 1 As the picture put the PBA safely 2 And then combine the LCD KEY and CABLE to the each CON 1 After removing the shell of the CAMERA and KEY VOLUME KEY with the picture it arrives safely together 1 After removing the shell of the CAMERA and KEY VOLUME KEY with the picture it arrives safely together 2 Top SCREW 4POINT it tightens ...

Page 72: ...Electronics Co Ltd GH68 11384A 2006 05 Rev 1 0 ⓒ 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 ...

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