GSM TELEPHONE SGH-P730 GSM TELEPHONE CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6.
1. SGH-P730 Specification 1. GSM General Specification GSM900 EGSM 900 DCS 1800 Phase 1 Phase 2 Phase 1 Freq. Band [MHz] 890~915 880~915 1710~1785 Uplink/Downlink 935~960 925~960 1805~1880 ARFCN range 1~124 0~124 & 975~1023 512~885 Tx/Rx spacing 45MHz 45MHz 95MHz Mod. Bit rate / 270.833kbps 270.833kbps 270.833kbps Bit Period 3.692us 3.692us 3.692us Time Slot Period / 576.9us 576.9us 576.9us Frame Period 4.615ms 4.615ms 4.615ms Modulation 0.3GMSK 0.3GMSK 0.
SGH-P730 Specification 2.
2. SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 1. Power On 'Power ON' does not work check the current consumption more than 100mA No Download again Yes Check the Voltage of the Battery more than 3.5V No Charge the battery Yes Check the pin11 of U101 is more than 2.8V Check "Power On" key? No Yes Yes Check U101 pin 39 = 2.8V No U101 pin9 = 1.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams R156 CN104 11 2 2 33 6 6 5 5 4 4 G G G G 10 9 8 7 C100 VBAT C101 C103 C102 C104 C105 VREF C106 VBAT VCCB VCCA G NDQ G NDD1 38 VLDO _3 VRTC EN_3 EN_4[0] EN_4[1] EN_5 EN_5A EN_5B 55 VRTC VCCD R123 C114 11 VLDO _2 R164 0 19 RESETN RING _PW M VLDO _1 57 58 59 60 C110 VCC_1.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Check the signal at the pin 21 of U101 is "High" when the phone is boot on No Check U401 Yes Check pin4 of OSC402 Voltage is 2.8V ? No Check pull_up R603,pin39 of U101, OSC600, C613 Yes Check pin3 of OSC600, Frequency is 13MHz? No Check or change OSC600 Yes Check pin5 of U103 Voltage is 2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VCC_1.8A VCCD VRTC C400 XLATCH_C E C401 C402 C403 VCC_1.8A A(22) VCC_1.8A VCCD VRE F CLK13M _TR TR_RST C411 A(0:20) A(0) A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(17) A(18) A(19) A(20) VCC_1.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 3. Sim Part * Test with Sim Phone can't access SIM card Yes No Check the pin 1 of CN104.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VC _D (0:31) VC_D(0) VC_D(1) VC_D(2) VC_D(3) VC_D(4) VC_D(5) VC_D(6) VC_D(7) VC_D(8) VC_D(9) VC_D(10) VC_D(11) VC_D(12) VC_D(13) VC_D(14) VC_D(15) G1 F2 H2 G3 H4 E4 G5 E5 F1 G2 F3 H3 F4 H5 F5 G6 A3 VS S H1 VS S VS S H 6 I/O 0 I/O 1 I/O 2 I/O 3 I/O 4 I/O 5 I/O 6 I/O 7 I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 I/O 15 C LE AL E _C E _R E _W E _W P R /B LO C K PR E NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 3 NC 4 NC 5
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 4.Microphone Part * Call with Sim before testing. MicroPhone does not work Yes No Check the soldered status of microphone Resolder microphone Yes No Check the reference voltage on mic path C201 ≒ 2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 5.Directional MIC Part * When you play MPEG file, if Audio is not active Directional MIC does not work Yes Check MIC "+" terminal, Bias Voltage = 2.6V? No Resolder R249 Yes No Check pin21 of U200, Voltage = 1.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VC C D VC C D R 226 R 227 JAC K _IN C 233 C N 201 VC C A C 203 14 13 12 11 R 203 R 204 EAR M IC R 209 L203 EAR _R EAR 1P EAR _L R 211 4 C 201 R 201 1 2 3 4 5 6 7 8 9 10 6 M AIN M IC 5 M IC IN M IC O U T 1 2 3 4 5 6 15 G 7 8 16 G 9 17 G 10 18 G GG G G C 200 R 200 R 251 C 635 R255 R232 C 237 C 238 R 247 2 1 8 7 R 252 3 C 209 C 210 R 253 ZD 200 EAR _SW ITC H R 254 R 207 VC C D R 208 C 215 AU XIN EAR M IC R 210 H P
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 6. Speaker Part * Call before testing.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 7. Key Data Input Check the Initial Operation Replace or Adjust Check the Keypad & Dome Sheet the Keypad & Dome Sheet Yes Check soldered status of CN302 and connecting status between KEY-FPCB and PBA No Resolder CN302 or change FPCB Yes When "#"pad pressed, Pin 11 of CN302=2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams D SP_AB(0:8) D SP_D B(0:15) U 502 6 1 2 VC C D D SP_AB(0) D SP_AB(1) D SP_AB(2) D SP_AB(3) D SP_AB(4) D SP_AB(5) D SP_AB(6) D SP_AB(7) D SP_AB(8) P5 N4 N3 P2 P1 N1 M2 L2 K1 AB0 AB1 AB2 AB3 AB4 AB5 AB6 AB7 AB8 D SP_D B(0) D SP_D B(1) D SP_D B(2) D SP_D B(3) D SP_D B(4) D SP_D B(5) D SP_D B(6) D SP_D B(7) D SP_D B(8) D SP_D B(9) D SP_D B(10) D SP_D B(11) D SP_D B(12) D SP_D B(13) D SP_D B(14) D SP_D B(15) J2 H2 J5 J1 H3 G3 F5 G2 F2 E2 D2 D4
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 8.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 9. GSM Receiver CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition catch the channel ? No Check ANT1, C615 Yes Check F601 pin 1 ≥ -65 dbm ? No Resolder or change C629 Yes Check F601 pin 12,13 ≥ -65 dbm ? No Resolder or change F601 No Resolder or change C605, C606, L602 No Resolder or change U101 pin 39, C110,R600 Yes Check U600 pin 20,21 ≥ -65dBm ? Yes Check U600 pin 9, 26 = 2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VR F C 600 R 600 G SM _PA M _IN 13M H Z_SI D PC S_PA M _IN R FO D R FO G XEN D IA G1 D IA G2 XO U T GND 35 G ND 36 G ND R XQ P R XQ P 28 27 26 25 24 23 22 G ND VD D G ND G ND G ND 34 33 32 31 30 29 R FIG N TXQ N 7 20 L602 C 606 19 TXIP R FIPN TXIN R FIPP TXQ P TXQ N 8 GND C 607 17 L603 16 C 608 15 F602 SD I 6 SC LK 5 C 605 21 18 R FIDP _SEN 4 R FIDN R XIN VD D TXIP TXIN TXQ P U 600 R XIP SD O 3 R FI
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 10. DCS Receiver CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition catch the channel ? No Check ANT1, C615 Yes Check F601 pin 1 ≥ -65 dbm ? No Resolder or change C629 Yes Check F601 pin 10,11 ≥ -65 dbm ? No Resolder or change F601 No Resolder or change C607, C608, L603 No Resolder or change U101 pin 39, C110, R600 Yes Check U600 pin 18, 19 ≥ -65dBm ? Yes Check U600 pin 9, 26 = 2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 11. PCS Receiver CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition catch the channel ? No Check ANT1, C615 Yes Check F601 pin 1 ≥ -65 dbm ? No Resolder or change C629 Yes Check F601 pin 8 ≥ -65 dbm ? No Resolder or change F601 No Resolder or change C609, C610, L604, F602 No Resolder or change U101 pin 39, C110 Yes Check U600 pin 16,17 ≥ -65dBm ? Yes Check U600 pin 9, 26 = 2.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 12. GSM Transmitter CONTINUS TX ON CONDITION Check F601 pin 3 : 2.8V ? Check F601 pin 4 : about 2~3 dbm? No Check and change U501,U502 Yes Yes Check and change CN601, C629 No 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 F601 check & change U601 pin 43,42 : 3.7V ? No Battery, U101 check & change Yes U601 pin 45 : 1.
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 12. DCS/PCS Transmitter CONTINUS TX ON CONDITION Check F601 pin 6 : about 2~3 dbm? No No Check F601 pin 5,9 : 2.8V ? Check and change U501,U503, U504 Yes Yes Check and change CN601, C629 No TX POWER DAC : 560 CODE APPLIED CH : 698CH(DCS), 660CH(PCS) RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV : 10dBm ATT : 20dB U601 pin31 : about 4~5dbm? Yes F601 check & change U601 pin 43,42 : 3.
3. SGH-P730 Exploded View and its Parts list 1.
SGH-P730 Exploded view and its Part list 2. Cellular phone Parts list Location NO.
SGH-P730 Exploded view and its Part list 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.
4.
SCH- P730 MAIN Electrical Parts List Design LOC R384,R385,R386,R387 R388,R389,R390 R106,R107,R110,R112 R113,R114,R115,R116 R119,R120,R155,R162 R163,R314,R315,R321 R415,R419,R430,R431 R203,R207,R249,R601 R332,R349,R352 R501 R160,R200,R208,R216 R225,R227,R604 R102,R103,R104,R105 R131,R147,R402,R403 R405,R411 R201,R210 C303,R126,R127,R128 R129,R141,R130,R228 R256,R310,R311,R312 R313,R316,R317,R318 R319,R325,R326,R327 R329,R330,R366,R367 R368,R373,R374,R408 U607 R364,R404 R121,R134,R142,R144 R150,R151,R157,R15
SCH- P730 MAIN Electrical Parts List Design LOC R400 L204,L205 R122 R204,R360 R606,R609 R202 R602 R603 R132,R133 R607,R608,R610,R611 R612 R123 R406 R503,R504 R407,R409 R220,R222 R337 C114,C120,C121,C122 SEC Code 2007-000172 2007-000173 2007-000758 2007-001119 2007-001288 2007-001323 2007-002797 2007-003001 2007-003022 2007-007008 2007-007107 2007-007137 2007-007142 2007-007200 2007-007308 2007-008275 2007-008748 2203-000233 Design LOC F602 F601 CN601 CN104 CN102 CN305 CN100 CN101 CN304 CN303 CN302 CN103
5. SGH-P730 Block Diagrams 1.
SGH-P730 Block Diagrams 2. Base Band Solution Block Diagram POWER X-TAL (DC/DC,CHARGER, 13MHz SIM) GPRS TRIDENT ACC DSP16000 RS232 PPI (Programmable Peripheral I/O) ARM7TDMI GPIO X-TAL 32.
SGH-P730 Block Diagrams 3.
G7 G1 C 301 U 610R 142 R 255 R 232 R 209 L203 C 246 R 211 R 256 R 247 C 635 C 428 C N 303 F305 F301 F306 C 101 C 106 C 110 C 109 C 115 C 108 R 120C 100 C 107 G4 C 111 R 122Q 102 R 618C 123 R 384R 380R 381 R 388 Q 305R 377 R 390 R 157 R 129 R 158 R 126 R 159 C 622 C 623 C 628 C 147 R 123C 402 C 114 6-1 U 603 C 104 C 105 R 417 D AIR NXO EN AQ D AIC K C 631 C N 102 C 307 U 105 L400CC137 134 Q 101 R 147 C 146 C 127R 118R 121 C 126R 105R 119 C 125R 104R 117 C 124R 103R 116 R 131R 102R 11
SGH-P730 PCB Diagrams 2.
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. Oct. 2004 Printed in Korea. Code No.: GH68-05424A BASIC.
