Samsung SGH-P900 Service Manual
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Samsung SGH-P900 Service Manual

Samsung SGH-P900 Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-P900
CONTENTS
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  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-P900 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Disassembly and Assembly instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams 10. Flow Chart of Troubleshooting 11. Reference data...

  • Page 2: Safety Precautions

    c o n t e n t s 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GMSK TX power Level ..............2-2 2-3. EDGE TX power Level ..............2-3 3.
  • Page 3 c o n t e n t s 10. Flow Chart of Troubleshooting 10-1. Baseband 10-1-1. Power ON ................10-1 10-1-2. Initial ..................10-6 10-1-3. Sim Part ................10-10 10-1-4. Microphone Part ..............10-12 10-1-5. Speaker Part ................10-14 10-1-6. Camera Part ................10-17 10-1-7. Mp3 play Part ..............10-19 10-1-8.

  • Page 4: Repair Precaution

    ● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Esd(Electrostatically Sensitive Devices) Precaution

    ● You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Gsm General Specification

    2. Specification 2-1. GSM General Specification DCS1800 PCS1900 GSM 900 88 0~9 15 F r e q . Ba n d [ M Hz ] 1710~1785 1850~1910 Uplink/ Downlink 92 5~9 60 1805~1880 1930~1990 0~12 4 AR FC N range 512~885 512~810 &...

  • Page 7: Gmsk Tx Power Level

    Specification 2-2. GMSK TX power Level TX Power TX Power TX Power control GSM900 control DCS1800 control PCS1900 level level level 33±2 dBm 30±2 dBm 30±2 dBm 31±3 dBm 28±3 dBm 28±3 dBm 29±3 dBm 26±3 dBm 26±3 dBm 27±3 dBm 24±3 dBm 24±3 dBm 25±3 dBm...

  • Page 8: Edge Tx Power Level

    Specification 2-3. EDGE TX Power Level TX Power TX Power TX Power control DCS1800 control PCS1900 control GSM850 level level level 27±3 dBm 26±3 dBm 26±3 dBm 24±3 dBm 24±3 dBm 25±3 dBm 23±3 dBm 22±3 dBm 22±3 dBm 20±3 dBm 20±3 dBm 21±3 dBm 18±3 dBm...

  • Page 9: Main Function

    3. Product Function Main Function -Digital Multimedia Broadcasting(DMB) -Camera and camcorder -Music player -Bluetooth -Phone to TV -Web browser -File viewer -Java -Multimedia Message Service(MMS) -E-mail SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Array Course Control

    4. Array course control Test Jig (GH80-03307A) Test Cable (GH39-00127A) RF Test Cable (GH39-00397A ) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Downloading Binary Files

    4-2. Single Downloader •HowToDo 1. Prepare 2 files which are explained before this procedure. 2. Execute the downloading SW, Optiflash for SGH-P900 3. Press '*' and Press Power Button. 4. Press Options - Settings Menu. 5. Set 'Specify hardware platform'.
  • Page 12 Choose hardware platform for the downloader file setting. Set the everything else as the default values which are shown below 'Customer T: SGH-P900 IMAGE 40MB (USB_CRC)' SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Optiflash will use to communicate with the phone. However, Optiflash will use a slower speed if either the PC’s or the phone’s serial hardware is incapable of handling the selected speed. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 “Flash Option” -> “S-Record with Contents”. Select the“Flash&Verify” -> “Browse” Set the directory path and choose the latest s/w binary, for example “P900XXFDD.s3”, for the downloader binary setting. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 Confirm the downloaded version name by key-string(*#5002#8376263#) Memory reset will be done by pressing the following key-strings. Full Reset : “*2767*3855#” will reboot the phone automatically. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Exploded View

    QSP02 QAN05 QAN02 QSP01 QFU01 QCR17 QSH01 QHI08 QAN11 QRF03 QLC01 QCH05 QRE01 QMO01 QCR05 QAR01 QSC13 QSC14 QMW01 QRF01 QCR31 QBA01 QIF01 QFL01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Cellular Phone Part List

    QVO01 MEC-SIDE KEY GH75-08539A QFU02 　 MEC-ARM UPPER GH75-08527A QHI01 MEC-HINGE GH75-08535A 　 QFL02 MEC-ARM LOWER GH75-08529A 　 　 QCR58 SCREW-MACHINE 6001-001870 　 QHI08 MEC-HINGE SWING GH75-08634A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 GH74-15350A MPR-VINYL BOHO SUB WIN A GH74-20286A MPR-VINYL BOHO ARM B GH74-20287A MPR-VINYL BOHO M/WIN B GH74-20290A MPR-CUSHION SUB MIC GH74-20528A MPR-CUSHION IF GASKET GH74-21355A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Disassembly

    1) Be careful not to damage the speaker, LCD, 1) Be careful not to scratch or deform the and CAMERA FPCB. INTENNA. 2) Be careful not to damage BGA parts. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 ※ caution 1) Be careful not to tear or crack the FPCB of 1) Be careful not to damage or scratch the LCD and CAMERA. molding. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 ※ caution ※ caution 1) Be careful not to damage or scratch the 1) Be careful not to damage or scratch the molding. molding. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 2) Separate a CAMERA from ARM UPPER. ※ caution 1) Be careful not to damage the hinge. 2) Be careful not to damage CAMERA FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Assembly

    ※ caution 1) LCD FPCB should be located lower than 1) Be careful not to damage or scratch the CAMERA FPCB like a picture. molding. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 ※ caution 1) Confirm the direction of LCD CONNECTOR. 1) Be careful not to damage or scratch the 2) When snapping, confirm the click sound. molding. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 1) Assemble PBA with SHIELD-CAN and confirm the locking. 2) Snap the connector. ※ caution 1) Put KEYPAD in place. 1) Be careful not to damage the connector. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 1) Screw 6 points like a picture. ※ caution 1) Be careful not to damage or scratch the 1) Insert 2 screw covers in the top. molding. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Main Electrical Parts List

    1105-001345 UME801 IC-DRAM 1107-001565 U809 IC-FLASH MEMORY 1108-000024 UME201 IC-MCP 1108-000038 UME601 IC-MCP 1109-001351 U616 IC-MEMORY CARD 1201-002148 U602 IC-VIDEO AMP 1201-002195 U405 IC-AUDIO AMP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 VARISTOR 1405-001082 VR501 VARISTOR 1405-001082 VR502 VARISTOR 1405-001082 VR503 VARISTOR 2007-000138 R103 R-CHIP 2007-000140 R503 R-CHIP 2007-000140 R705 R-CHIP 2007-000141 R400 R-CHIP 2007-000143 R212 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 R-CHIP 2007-000170 R604 R-CHIP 2007-000170 R606 R-CHIP 2007-000170 R607 R-CHIP 2007-000170 R649 R-CHIP 2007-000170 R703 R-CHIP 2007-000171 R108 R-CHIP 2007-000171 R114 R-CHIP 2007-000171 R118 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 R-CHIP 2007-007142 R415 R-CHIP 2007-007142 R417 R-CHIP 2007-007142 R431 R-CHIP 2007-007142 R436 R-CHIP 2007-007311 R432 R-CHIP 2007-007311 R433 R-CHIP 2007-007311 R434 R-CHIP 2007-007311 R435 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 R-CHIP 2007-008055 R425 R-CHIP 2007-008055 R427 R-CHIP 2007-008055 R504 R-CHIP 2007-008055 R608 R-CHIP 2007-008055 R613 R-CHIP 2007-008055 R614 R-CHIP 2007-008055 R615 R-CHIP 2007-008055 R619 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 R-CHIP 2007-008419 R513 R-CHIP 2007-008478 R303 R-CHIP 2007-008483 R119 R-CHIP 2007-008483 R200 R-CHIP 2007-008483 R209 R-CHIP 2007-008483 R210 R-CHIP 2007-008483 R211 R-CHIP 2007-008483 R302 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 R-CHIP 2007-009115 R305 R-CHIP 2007-009166 R306 R-CHIP 2007-009167 R308 R-CHIP 2007-009167 R809 R-CHIP 2007-009167 R810 R-CHIP 2007-009199 R107 R-CHIP 2203-000233 C410 C-CER,CHIP 2203-000233 C439 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 C-CER,CHIP 2203-000438 C822 C-CER,CHIP 2203-000550 C631 C-CER,CHIP 2203-000585 C112 C-CER,CHIP 2203-000585 C634 C-CER,CHIP 2203-000627 C637 C-CER,CHIP 2203-000627 C639 C-CER,CHIP 2203-000628 C708 C-CER,CHIP 2203-000725 C124 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 C-CER,CHIP 2203-005682 C436 C-CER,CHIP 2203-005682 C444 C-CER,CHIP 2203-005682 C456 C-CER,CHIP 2203-005683 C430 C-CER,CHIP 2203-005729 C100 C-CER,CHIP 2203-005729 C710 C-CER,CHIP 2203-005731 C211 C-CER,CHIP 2203-005731 C212 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 2203-006048 C621 C-CER,CHIP 2203-006048 C622 C-CER,CHIP 2203-006048 C626 C-CER,CHIP 2203-006048 C627 C-CER,CHIP 2203-006048 C636 C-CER,CHIP 2203-006048 C644 C-CER,CHIP 2203-006048 C707 C-CER,CHIP 2203-006048 C729 C-CER,CHIP 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 2203-006194 C205 C-CER,CHIP 2203-006194 C207 C-CER,CHIP 2203-006194 C210 C-CER,CHIP 2203-006194 C300 C-CER,CHIP 2203-006194 C301 C-CER,CHIP 2203-006194 C325 C-CER,CHIP 2203-006194 C606 C-CER,CHIP 2203-006208 C728 C-CER,CHIP 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 2203-006423 C216 C-CER,CHIP 2203-006423 C302 C-CER,CHIP 2203-006423 C303 C-CER,CHIP 2203-006423 C305 C-CER,CHIP 2203-006423 C321 C-CER,CHIP 2203-006423 C322 C-CER,CHIP 2203-006423 C326 C-CER,CHIP 2203-006423 C412 C-CER,CHIP 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 2203-006562 C433 C-CER,CHIP 2203-006562 C437 C-CER,CHIP 2203-006562 C448 C-CER,CHIP 2203-006562 C450 C-CER,CHIP 2203-006562 C458 C-CER,CHIP 2203-006562 C462 C-CER,CHIP 2203-006562 C500 C-CER,CHIP 2203-006562 C501 C-CER,CHIP 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 2203-006825 C603 C-CER,CHIP 2203-006825 C605 C-CER,CHIP 2203-006825 C610 C-CER,CHIP 2203-006825 C632 C-CER,CHIP 2203-006847 C128 C-CER,CHIP 2203-006847 C130 C-CER,CHIP 2404-001225 TA701 C-TA,CHIP 2404-001225 TA702 C-TA,CHIP 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 INDUCTOR-SMD 2801-004340 OSC601 CRYSTAL-SMD 2801-004373 OSC200 CRYSTAL-SMD 2801-004440 OSC700 CRYSTAL-SMD 2806-001363 VCO800 OSCILLATOR-VCXO 2809-001295 TCX101 OSCILLATOR-VCTCXO 2901-001308 F508 FILTER-EMI SMD 2901-001308 F509 FILTER-EMI SMD 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 BATTERY-LI(2ND) 4709-001416 U102 BLUETOOTH MODULE GH09-00038A UCP201 IC MICOM GH71-06338A ANT100 NPR-BRACKET ANT CONTACT GH71-06338A ANT700 NPR-BRACKET ANT CONTACT GH71-06338A ANT701 NPR-BRACKET ANT CONTACT 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 8. Block Diagrams 8-1. RF Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Pcb Diagrams

    9. PCB Diagrams 9-1 Main F513 RSPK LSPK RSPK+ HDC502 LSPK+ ZD508 RFS100 RFS703 U788 DUF100 PAM101 HDC503 VR503 TCX101 TA403 U404 U401 U406 TP103 TP102 HDC501 U102 TP101 TP104 TP505 TP501 TP611 TP610 TP609 TP214 TP216 TP506 TP502 TP614 TP613 TP612 TP215...
  • Page 45 PCB Diagrams F701 OSC700 U405 TA701 TP888 VR406 VR405 U402 TA402 ZD401 UME801 TDI_C TA802 TP_SPI_CS2_C U623 TCK_C TDO_C TRST_C TMS_C TP604 U306 TP607 U611 TH300 TP300 TP615 TA602 U203 UCP201 TP622 TP616 U608 UCP601 TP699 U607 TP617 TP889 U609 TP623 TP602 OSC601...

  • Page 46: Power On

    ≥ 150mA ? Check the Vbat. Vortage Voltage ≥ 3.3V ? Charge the battery Check UCD300 LDO output C312 = 1.8V ? Check the UCD300 10- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 *caution: In order to save current consumption, C632 (AP_Core) voltage level is 1.4V when LCD On, Check the Initial operation 1.1V when LCD Off and cell phone sleep status. 10- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Flow Chart of Troubleshooting 10- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 C330 C331 VBAT CSP_1.8V AP_CORE_1.4V VBAT DV_2.8V C629 AP_CORE_1.4V U615 L603 U611 R628 C631 C632 R629 C633 2 GND TA602 C642 R633 AP_EN 10- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 R113 C135 CLK13M_RF C136 VRF_2.9V C139 U104 1 NC R115 C142 C143 CLK13M_TR NC 5 R116 C144 3 GND CLK13M_MC R117 CLK13M_YMU C147 10- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Initial

    1.1V ? Check the U611 Is the voltage at the TA602 = 2.8V ? The voltage at the C603 = 2.7V Check the U623 10- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Check UCP 601 Check LCD connector assemble status, and LCD display OK ? then check LCD Part Check the Audio Part Sound operation OK? 10- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 SDS_TXD SDS_RXD KEY_COL(0:4) MCI_DAT0_EN KEY_COL(0) KEY_COL(1) MCI_CMD_EN KEY_COL(2) KEY_COL(3) KEY_COL(4) PSW1_BUF MCI_DAT0 MCI_CMD KEY_ROW(0:5) MCI_CLK KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) R212 KEY_ROW(3) KEY_ROW(4) KEY_ROW(5) VCCD_1.8V 10- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 TEST1 TEST1 SYSCLK TEST0 TEST0 TP699 SCANEN R640 C637 OSC601 C638 ground TP623 C639 RESET_A_H DV_2.8V R654 DV_2.8V C640 R655 AP_PDN_H R656 ground 10- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 55: Sim Part

    Check the UCD300 at C304, C305 ? Is there any signal Check the UCD300 at C306, C307, C308 ? Check the SIM Card 10- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting SIM300 VSIM SIM_RST SIM_IO SIM_CLK C304 C305 C306 C307 C308 10- 11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Microphone Part

    Microphone O.K? Check the DC bias voltage on Mic path. Is the voltage of VR501 Check the UCD300 about 2.2V±10%? Replace the Microphone 10- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 VCCA_2.9V R408 TA401 C424 R411 R412 MICINP MICOUTP R415 C427 R416 C428 MIC+ C429 C430 MIC- C432 R417 MICINN MICOUTN R418 C436 C435 10- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 59: Speaker Part

    Are there any signal C447, Check U402 C449? Are there any signal Check U404 RSPK+/-, LSPK+/-? Check components on audio path line Down load again 10- 14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 VIPR R434 R435 C449 22NF VIML VIMR VREFL VREFR LSPK+ RSPK+ VOPL VOPR LSPK- RSPK- VOML VOMR C457 C458 C461 C462 TA403 C464 10- 15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 MCLK0 MIC2_IN F_SDOUT SDTI1 MIC1_IN F_LRCK LRCLK1 MIC1_OUT R401 R402 C410 AK_MIC+ F_BCK BCLK1 MIC_OUT C411 F_MSCK MCLK1 PLLC2 DV_2.8V R405 C415 C416 10- 16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 62: Camera Part

    #17 =29Mhz of HDC502? Is that clock signal at the Check The UCP601 pin #15 =29Mhz of HDC502? Pin#9 of HDC502 is High? 10- 17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 10 10 CAM_RESET- CAM_DAT(6)_S CAM_DAT(5)_S 14 14 CAM_DAT(4)_S CAM_MCLK CAM_DAT(3)_S 18 18 CAM_PCLK CAM_DAT(2)_S CAM_HSYNC CAM_DAT(1)_S 22 22 CAM_VSYNC CAM_DAT(0)_S 25 26 ZD508 10- 18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 64: Mp3 Play Part

    Are there any signal at the pin #10, 12 of U405? pin (_SHDN) is High Check components on Ear path line between U405 and Earjack 10- 19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 C425 C426 INL- INR- AK_EAR_L AK_EAR_R INL+ INR+ U405 _SHDN SGND EAR_AMP_EN_H C431 18 NC2 PVSS 20 NC4 C434 2122 VCCD_2.9V C437 C438 10- 20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 66: Tv Out

    U635, C627, R626 Check the TV out cable TV_3.0V U602 TA601 C626 POWER TV_ON TA603 VOUT R625 C627 VSAG DA_OUT TV_OUT TA604 R626 10- 21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 67: Egsm Rx

    R110 = 1.5V ? Vpp = 1.2V? Vpp : 1.1V? U106 C136, R113 TCX101 Change or resolder resolder Change or resolder Check UCD300 10- 22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 68: Dcs Rx

    R110 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? U106 C136, R113 TCX101 Change or resolder resolder Change or resolder Check UCD300 10- 23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 Flow Chart of Troubleshooting 10- 24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 70: Pcs Rx

    R110 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? U106 C136, R113 TCX101 Change or resolder resolder Change or resolder Check UCD300 10- 25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 71: Egsm Tx

    R110 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? TCX101 C136, R113 U106 Pin Change or resolder resolder #46,#4,#45,#58 = 1.7V? Check Change PAM101 UCD300 10- 26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 72: Dcs & Pcs Tx

    R110 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? TCX101 C136, R113 U106 Pin Change or resolder resolder #46,#4,#45,#58 = 1.7V? Check Change PAM101 UCD300 10- 27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 Flow Chart of Troubleshooting 10- 28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 74: Reference Data

    PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 ⓒ This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No.: GH68-08897A 2006. 05. Rev.1.0...

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