Samsung SGH-P730C Service Manual Download

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GSM TELEPHONE

SGH-P738

GSM TELEPHONE

CONTENTS

Specification

Flow Chart of Troubleshooting

Exploded Views and Parts List

Electrical Parts List

PCB Diagrams

Block Diagrams

Summary of Contents for SGH-P730C

Page 1: ...GSM TELEPHONE SGH P738 GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 PCB Diagrams 6 Block Diagrams ...

Page 2: ...Ltd Nov 2004 Printed in South Korea Code No GH68 06167A BASIC ⓒ 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 ...

Page 3: ...24 975 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz Mod Bit rate Bit Period 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 Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm 100dBm TDMA Mux 8 8 8 Cell Radius 35K...

Page 4: ... dBm 10 23 3 dBm 11 21 3 dBm 12 19 3 dBm 13 17 3 dBm 14 15 3 dBm 15 13 3 dBm 16 11 3 dBm 17 9 3 dBm 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 10 10 4 dBm 11 8 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm ...

Page 5: ...oad again Power ON does not work No Yes Yes END Yes Check the Initial Operation Check U101 and C116 Yes Yes Check U101 pin 39 2 8V No No Yes Charge the battery No Check the Voltage of the Battery more than 3 5V check keypad No Check the pin11 of U101 is more than 2 8V Check Power On key No check U101 and C117 Yes U101 pin9 1 8V ...

Page 6: ... phone is boot on Initial Failure Check pin4 of OSC402 Voltage is 2 8V Check U401 Check pull_up R603 pin39 of U101 OSC600 C613 No Yes Yes No No Check pin5 of U103 Voltage is 2 5V Check or Change U300 Yes Yes No Check pin3 of OSC600 Frequency is 13MHz Check or change OSC600 Check OSC300 is working No Check the soldered status of U103 U401 ...

Page 7: ...M card Check the SIM connector s CN104 connection to SIM card Check the circuit related to U101 Resolder or change CN104 END No Yes Yes Yes No Check the circuit around CN104 input circuitry Check the related circuit of CN104 Yes No Check the circuit around U401 output and voltage supply circuitty Check the related circuit of U401 and U101 Yes No ...

Page 8: ...e Part Call with Sim before testing Check the soldered status of microphone MicroPhone does not work Resolder microphone END No Yes Yes Check the reference voltage on mic path C201 2 0V Yes Resolder or change R203 C209 R204 R201 R200 C200 No Is microphone OK Yes Check U501 No ...

Page 9: ...Diagrams 2 5 5 Directional MIC Part Directional MIC does not work When you play MPEG file if Audio is not active Check MIC terminal Bias Voltage 2 6V Yes Resolder R249 No Check pin21 of U200 Voltage 1 76V Yes Resolder C244 No Change directional MIC Yes ...

Page 10: ...all before testing Check the soldered status of Speaker Receiver does not work Check the pin 7 of U202 High Resolder Speaker Check U202 and the audio path of U501 END No Yes Yes No Is Speaker working Is Speaker working Check the path from U501 to CN304 Change Speaker No Yes Yes No ...

Page 11: ...t Check soldered status of CN302 and connecting status between KEY FPCB and PBA Check the Initial Operation END Yes When pad pressed Pin 11 of CN302 2 8V high Yes Resolder CN302 or change FPCB No Check U401 No Yes Check the Keypad Dome Sheet Replace or Adjust the Keypad Dome Sheet ...

Page 12: ... and Circuit Diagrams 2 8 8 LCD backlight Backlight ON mode in the menu Backlight does not work Check conecting between PBA and LCD conector Select backlight ON mode Check FPCB END No Yes No Check CN304 pin 28 high Check the LCD Yes Yes No ...

Page 13: ...n 1 65 dbm Check U600 pin 20 21 65dBm Yes No No Check F601 pin 12 13 65 dbm Yes No Yes Check ANT1 C615 Resolder or change C629 Resolder or change F601 Resolder or change C605 C606 L602 Resolder or change U501 CONTINOUS RX ON RF INPUT 62CH AMP 50dbm Check U600 pin 9 26 2 8V Yes Resolder or change U101 pin 39 C110 R600 Yes No No ...

Page 14: ...in 1 65 dbm Check U600 pin 18 19 65dBm Yes No No Check F601 pin 10 11 65 dbm Yes No Yes Check ANT1 C615 Resolder or change C629 Resolder or change F601 Resolder or change C607 C608 L603 CONTINOUS RX ON RF INPUT 698CH AMP 50dbm Check U600 pin 9 26 2 8V Yes Resolder or change U101 pin 39 C110 R600 Yes No No Resolder or change U501 ...

Page 15: ... pin 1 65 dbm Check U600 pin 16 17 65dBm Yes No No Check F601 pin 8 65 dbm Yes No Yes Check ANT1 C615 Resolder or change C629 Resolder or change F601 Resolder or change C609 C610 L604 F602 CONTINOUS RX ON RF INPUT 660CH AMP 50dbm Check U600 pin 9 26 2 8V Yes Resolder or change U101 pin 39 C110 Yes No No Resolder or change U501 ...

Page 16: ...NDITION TX POWER DAC 554 CODE APPLIED CH 62ch RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U601 pin6 about 4 5dbm Yes No Yes U601 pin 43 42 3 7V F601 check change No Battery U101 check change Yes U601 pin 45 1 2V No U501 check Yes U601 pin41 3V No U501 check U600 pin 9 26 2 8V U601 change or resolder U101 pin39 C110 R600 change or resolder No Yes U600 change or resolder Yes U601 pin 48 ...

Page 17: ...1 pin 5 9 2 8V U601 pin31 about 4 5dbm No Check F601 pin 6 about 2 3 dbm No Check and change U501 U503 U504 Yes No Yes Check and change CN601 C629 Yes F601 check change No Battery U101 check change Yes No U501 check Yes No Yes No U501 check Yes U601 change or resolder U600 pin 9 26 2 8V No U101 pin39 C110 R600 change or resolder Yes U600 change or resolder U601 pin 43 42 3 7V U601 pin 45 1 2V U601...

Page 18: ...8 7 N C VI N 1 CBYP 4 EN1 2 3 EN2 G ND 6 G N D 1112 G N D VCCA VCCB U106 6 3V 10UF VCCD C122 100PF C129 33 42 VLDO _6 40 VLDO _7 VR EF 30 VRTC 12 V SI M 48 36 VL4S_A VL4S_B 35 32 VL5S_A VL5S_B 31 VLDO _1 9 VLDO _2 11 39 VLDO _3 VLDO _4 37 VLDO _5 3 VBAT 2 10 VDD12 VDD34 38 VDD5 34 41 VDD67 1 VEXT VI B _D R V 4 15 SDO 16 SI M _C LK 50 51 SI M _I O 49 SI M _R ST UP_CLK 53 UP_I O 52 UP_RST 54 VACC 21...

Page 19: ...53 NC NC 54 PC B EEP 12 13 PHON E 52 G ND 40 HPGND 39 HPOUTL 41 HPOUTR 46 HSDET LI NEI NL 23 LI NEI NR 24 LI N EO U TL 35 30 D N C 31 D N C D VD D 1 1 D VD D 2 9 EAPD 47 G ND 49 50 G ND G ND 51 D G N D 2 7 14 DNC DNC 15 16 DNC DNC 17 D N C 25 26 D N C D N C 29 32 C A P2 CDGN D 19 18 CDL 20 CDR CI D0 45 C X3D 1 33 34 C X3D 2 D G N D 1 4 U200 42 AGND AVDD2 38 B I TC LK 6 C202 100NF R210 R219 NC 68K ...

Page 20: ... N D 1 I N 2 I N I N 2 I N 3 I N 4 8 O U T O U T 7 6 O U T 5 O U T F301 9 G N D 1 I N 220 R378 220 R375 R356 R327 100K 0 R 319 100K VDD_CO RE R391 NC VC01_2 5 5 6 7 8 2K R334 ZD306 1 2 3 4 4 7K ZD 301 R352 1UF C301 4 7K R349 V_LED VDD_CO RE Q 304 1 3 2 0 6 D G 4 7 K K 8 S3 R322 Q 300 1 A 2 A D 5 C302 NC B_LE D 220 R382 C314 10PF R365 0 0 R339 1 2 3 4 5 6 7 8 V_LED ZD305 0 R362 100K R 318 R 317 100...

Page 21: ...CP_A18 K14 L14 XCP_A19 E14 XCP_A2 L15 XCP_A20 XCP_A21 L16 XCP_A3 D15 XCP_A4 B15 XCP_A1 F11 XCP_A10 D16 F14 XCP_A11 G 14 XCP_A12 XCP_A13 G 13 G 17 XCP_A14 XCP_A15 J12 XCP_A16 K12 X1RTC X2RTC D10 XAG 0 B11 A11 XAG 1 E11 XAG 2 XAG 3 D11 B7 XBSW N M 12 XCPTSTSTO P_CKO XCP_A0_BEO N B13 G 9 VS S VS S G 10 H 7 VS S H 11 VS S VS S J7 VS S K 6 V SS A E 10 V SS _D P LL E 15 A7 L6 VS S VS S L10 M 7 VS S VS S...

Page 22: ...CTL3 O CTL4 B7 D5 O CTL5 O CTL6 A6 E6 O CTL7 O CTL8 C7 C8 K7 M C A13 M I CI N B12 M I CO UT 1 NC NC 2 O CTL0 B4 A5 O CTL1 O CTL10 A9 E9 DB8 F2 E2 DB9 DI NTR L4 G NDA E11 K11 G NDB G NDC F10 L10 G NDD I O K2 DB14 C2 B1 DB15 DB2 J5 J1 DB3 DB4 H3 G 3 DB5 DB6 F5 DB7 G 2 DAI DO B8 DAI RN D10 DB0 J2 H2 DB1 DB10 D2 D4 DB11 DB12 E1 DB13 E4 F13 AO UTBN E14 D13 AO UTBP AUXI N A14 AUXO UT B14 CI NTR L5 B10 D...

Page 23: ...I D N 18 RFI D P 21 RFI G N 20 RFI G P 17 RFI PN 16 RFI PP 22 R FO D 23 G ND 15 29 G N D G N D 30 31 G N D G N D 33 G N D 34 35 GN D GN D U600 24 D I A G 1 25 D I A G 2 10NF C616 C611 10NF 2 A C 3 G 1 G 4 5 G G 6 CN601 C602 10NF 18 R609 R603 46 VCC1G SM VC C 2D C S PC S 35 2 VC C 2G SM 21 VC C 3D C S PC S VC C 3G SM 18 19 VC C O U T 20 VC C O U T 45 VRAM P 12 N C 13 N C 14 N C 15 N C 41 TXENABLE 4...

Page 24: ...ploded View Q VO 01 Q SP01 Q M O 02 Q LC01 Q LC38 Q FB01 Q FL01 Q M W 02 Q KP01 Q SH01 Q M E01 Q M P01 QM I 01 Q AN01 Q BA19 Q RF01 Q RE01 Q CK01 Q CR09 Q SC13 Q W D02 Q FU01 Q CA01 Q M E03 Q SC16 Q SC18 Q HI 03 Q CR05 Q FR01 Q CR08 Q CW 01 Q G I 01 Q G I 02 Q BA03 ...

Page 25: ...LDER CAP BUTTOM GH73 03274A QCK01 CAMERA KEY GH75 03009A QHI03 HINGE HOUSING GH75 04213A QFR01 SUB FRONT COVER ASSY GH75 04668A QVO01 VOLUME KEY GH75 03008A QME03 UNIT NAVI KEY GH59 01354A QCA01 UNIT CAMERA GH59 01362A QCR08 SCREW 6001 001456 QKP01 KEYPAD GH75 05349A QSH01 REAR SHIELD GH71 03329A QME01 UNIT KEYPAD GH59 01355A QMP01 MAIN PBA GH92 01907A QAN01 ANTENNA GH42 00402A QRE01 SUB REAR COVE...

Page 26: ... P738 Exploded Views and Parts List 3 2 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00090A 3 2 Test Cable GH39 00324A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00279A 3 6 TC GH44 00701A ...

Page 27: ... C601 2203 000425 Q300 0505 001770 C221 C223 C624 C627 2203 000438 LED101 0604 001261 C628 C635 2203 000438 U403 U603 0801 000796 C633 2203 000466 U302 0801 002866 C234 C235 2203 000628 U202 1001 001161 C623 2203 000654 U204 1001 001253 C401 C615 2203 000679 U601 1201 002075 C100 C104 C105 C504 2203 000812 U201 1201 002103 C508 C515 C622 2203 000812 U107 1203 001256 C142 C203 2203 000940 U602 1203...

Page 28: ... 2007 000148 C233 2203 005503 R102 R103 R104 R105 2007 000157 C137 2203 005571 R131 R147 R402 R403 2007 000157 C106 C107 C108 C109 2203 006053 R405 R411 R432 R433 2007 000157 C110 C115 C116 C117 2203 006053 R201 R210 2007 000160 C219 C224 C228 C229 2203 006093 C303 R126 R127 R128 2007 000162 C244 C301 U610 ZD308 2203 006093 R129 R130 R141 R228 2007 000162 C143 2203 006208 R256 R310 R311 R312 2007 ...

Page 29: ... 2904 001410 R258 R259 2007 000173 F601 2909 001208 R122 2007 000758 CN601 3705 001255 R204 R360 2007 001119 CN104 3709 001298 R606 R609 2007 001288 CN102 3709 001316 R202 2007 001323 CN305 3710 001950 R602 2007 002797 CN100 3710 002120 R603 2007 003001 CN101 3711 004230 R132 R133 2007 003022 CN304 3711 005229 R607 R608 R610 R611 2007 007008 CN303 3711 005285 R612 2007 007107 CN302 3711 005345 R12...

Page 30: ...5 SGH P738 PCB Diagrams 5 1 ...

Page 31: ...SGH P738 PCB Diagrams 5 0 ...

Page 32: ...D C A D C IF PLL GSMOUT 890MHz 915MHz D E T 100KHz CHANNEL FILTER D A C D A C PGA PGA TCVCXO 13 MHz TXPOWER TX_EN TX_BAND_SEL GSM_TX_EN DCS_TX_EN PCS_TX_EN LNA LNA PGA PGA DPCS PAM IN XOUT AUDIO PART RXIP RXIN RXIN RXQP RXQP RXQN RXQN _SEN _SCLK SDI DSP_AB 0 8 _PDN SERELE SERCLK SERDAT SERLE1 SERCLK SERDAT MC SI_EN TXIP TXIN TXQP TXQN TXIP TXIN TXQP TXQN XIN XOENA VRF CSP_SVC_GREEN OCTL4 TXIP TXIN...

Page 33: ...56M TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL RF DIRVER TXI Q RX I Q TXP SERCK SERLE SERDA OCTL IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB ARM JTAG ICE DAICK DAIRN DAIDO DAIDI DAI DSPJTAG JTAG GPRS ACC PPI Programmable Peripheral I O RTC JTAG ICE DSP16000 ARM7TDMI EMI VC01 DATA BUS CAMERA MODULE 1MEGA PIXEL DATA BUS CM_CLK PCLK ...

Page 34: ...dent Pin17 JACK_IN from VC01 EAR_AUDIO_SW EAR1P EARMIC EAR_L EAR_R 0 5Ω MICIN MICOUT AUXIN AUXOUT AOUTBP AOUTBN DAC MIC HPOUTR HPOUTL HPGND MICIN MICOUT AUXIN AUXOUT AGND AOUTBP AOUTBN RLB 15 30Ω AGND HPOUTR HPOUTL HPGND MIC2 AOUTAP AOUTAN GPIO1 MONO LINEOUTR LINEINR LINEINL AOUTAP AOUTAN RLA 15 30Ω 5V 4Ω 3V 8Ω AMP AMP_EN SPK_IN AMP SPK AMP SPK 8Ω 8Ω from RCV_SW_EN VC01 SDATA IN OUT SYNC CLK RE SE...

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