Samsung SGH-P730 Service Manual
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Samsung SGH-P730 Service Manual

Samsung SGH-P730 Service Manual

Gsm telephone
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GSM TELEPHONE
GSM TELEPHONE
SGH-P730
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
Block Diagrams
6.
PCB Diagrams
CONTENTS

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Summary of Contents for Samsung SGH-P730

  • Page 1 GSM TELEPHONE SGH-P730 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...

  • Page 2: Specification

    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.

  • Page 3: Gsm Tx Power Class

    SGH-P730 Specification 2. GSM Tx Power Class Tx Power Tx Power DCS1800 GSM900 control level control level 30 ± 3 dBm 33 ± 3 dBm 28 ± 3 dBm 31 ± 3 dBm 26 ± 3 dBm 29 ± 3 dBm 24 ±...

  • Page 4: Flow Chart Of Troubleshooting

    2. SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 1. Power On 'Power ON' does not work check the current consumption more Download again than 100mA Check the Voltage of the Battery more Charge the battery than 3.5V Check Check the pin11 of...
  • Page 5 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams R156 CN104 C100 C101 VBAT C102 C103 C104 C105 VREF C106 VBAT VCCA VCCB SI M RS T U P_R ST VLD O _7 SI M CLK U P_C LK SI M DATA...
  • Page 6 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Check the signal at the pin 21 of U101 is Check U401 "High" when the phone is boot on Check pull_up R603,pin39 of U101, Check pin4 of OSC402 Voltage is 2.8V ?
  • Page 7 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VCC_1. 8A VCCD VRTC C400 C402 XLATCH_C E C401 C403 VCC_1. 8A A( 22) VCC_1. 8A VCCD VRE F CLK13M _TR A( 23) TR_RST D( 0: 15) D ( 0) XC P_D 0...

  • Page 8: Sim Part

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 3. Sim Part * Test with Sim Phone can't access SIM card Check the pin 1 of Check the circuit related to U101 CN104. voltage 3V? Check the SIM connector's (CN104) Resolder or change CN104...
  • Page 9 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VC _D ( 0: 31) M 22 VC _D ( 0) AB 18 N 22 VC _D ( 1) VC _A( 1) VC _D ( 2) N 21 VC _A( 2) AA1 6...

  • Page 10: Microphone Part

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 4.Microphone Part * Call with Sim before testing. MicroPhone does not work Check the soldered status of microphone Resolder microphone Check the reference Resolder or change voltage on mic path R203, C209, R204, R201, R200, C201 ≒...
  • Page 11 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 Check MIC "+" terminal, Resolder R249 Bias Voltage = 2.6V? Check pin21 of U200, Resolder C244 Voltage = 1.76V?
  • Page 12 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VC C D VC C D R 226 R 227 JAC K _I N C 233 C N 201 EAR M I C C 200 R 200 R 209 EAR _R M I C I N...

  • Page 13: Speaker Part

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 6. Speaker Part * Call before testing. Receiver does not work Check the soldered Resolder Speaker status of Speaker Check U202 and the audio path of Check the pin 7 of U202 "High"?

  • Page 14: Key Data Input

    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 Check soldered status of CN302 and connecting Resolder CN302 or change FPCB...
  • Page 15 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams D SP_AB( 0: 8) R 501 D SP_AB( 0) SER C K SER C LK D SP_AB( 1) SER D A SER D AT TXPO W ER D SP_AB( 2) SER LE1...

  • Page 16: Lcd Backlight

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 8. LCD backlight Backlight does not work Backlight "ON" mode in Select backlight "ON" mode the menu? Check conecting between PBA and LCD Check FPCB conector Check the LCD Check CN304 pin 28= "high"?

  • Page 17: Gsm Receiver

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 9. GSM Receiver CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition Check ANT1, C615 catch the channel ? Check F601 Resolder or change pin 1 ≥ -65 dbm...
  • Page 18 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams VR F C 600 R 600 G SM _PA M _I N 13M H Z_SI D PC S_PA M _I N G ND C 605 G ND R XQ P R FI G N...

  • Page 19: Dcs Receiver

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 10. DCS Receiver CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition Check ANT1, C615 catch the channel ? Check F601 Resolder or change pin 1 ≥ -65 dbm...

  • Page 20: Pcs Receiver

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 11. PCS Receiver CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition Check ANT1, C615 catch the channel ? Check F601 Resolder or change pin 1 ≥ -65 dbm...

  • Page 21: Gsm Transmitter

    SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 12. GSM Transmitter CONTINUS TX ON CONDITION TX POWER DAC : 554 CODE Check F601 Check F601 Check and APPLIED pin 4 : about pin 3 : 2.8V ? change CH : 62ch...
  • Page 22 SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams 12. DCS/PCS Transmitter CONTINUS TX ON CONDITION TX POWER DAC : 560 CODE Check F601 Check F601 Check and APPLIED pin 6 : about pin 5,9 : change CH : 698CH(DCS), 2~3 dbm? 2.8V ?
  • Page 23 3. SGH-P730 Exploded View and its Parts list 1. Cellular phone Exploded View...

  • Page 24: Cellular Phone Parts List

    SGH-P730 Exploded view and its Part list 2. Cellular phone Parts list Location NO. Description SEC CODE Remark QWD02 SUB WINDOW GH72-13688A QFU01 F/UPPER ASSY GH75-04670A QFB01 SUB LCD BRACKET GH75-05019A QSP01 SPEAKER 3001-001627 QMO02 MOTOR 3101-001371 QFL01 SUB F/LOWER...
  • Page 25 SGH-P730 Exploded view and its Part list 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00090A) (GH39-00324A) 3-4. Power Supply 3-5. DATA CABLE 3-6. TA Cable (GH39-00279A) (GH44-00701A)

  • Page 26: Electrical Parts List

    4. SGH-P730 MAIN Electrical Parts List Design LOC SEC Code Design LOC SEC Code ZD105 0403-001387 C123,C124,C125,C126 2203-000233 D301 0404-001172 C127,C501,C502,C603 2203-000233 ZD101,ZD102,ZD103 0406-001190 C131,C132,C138,C144 2203-000254 ZD104,ZD200,ZD303 0406-001190 C146,C245,C309,C403 2203-000254 ZD304,ZD305,ZD306 0406-001190 C407,C408,C409,C410 2203-000254 ZD309 0406-001190 C413,C422,C425,C509 2203-000254 Q101,Q102,Q301,Q302 0504-000168...
  • Page 27 SCH- P730 MAIN Electrical Parts List Design LOC SEC Code Design LOC SEC Code R384,R385,R386,R387 2007-000139 C130,C134,C140,C141 2203-005065 R388,R389,R390 2007-000139 C145,C200,C215,C506 2203-005065 R106,R107,R110,R112 2007-000140 C631 2203-005065 R113,R114,R115,R116 2007-000140 C111 2203-005148 R119,R120,R155,R162 2007-000140 C426 2203-005234 R163,R314,R315,R321 2007-000140 C620 2203-005446 R415,R419,R430,R431 2007-000140 C113 2203-005450 R203,R207,R249,R601...
  • Page 28 SCH- P730 MAIN Electrical Parts Lis t Design LOC SEC Code Design LOC SEC Code R400 2007-000172 F602 2904-001410 L204,L205 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...

  • Page 29: Block Diagrams

    5. SGH-P730 Block Diagrams 1. RF Solution Block Diagram...

  • Page 30: Base Band Solution Block Diagram

    SGH-P730 Block Diagrams 2. Base Band Solution Block Diagram POWER X-TAL (DC/DC,CHARGER, 13MHz SIM) GPRS TRIDENT TXIP TXIN CSP1093 TXQP DSP16000 RF SOLUTION TXQN <RF DIRVER> AB[8:0] RXIP RS232 - RF IC TXI/Q DB[15:0] RXIN - PAM AB[8:0] RX I/Q...
  • Page 31 SGH-P730 Block Diagrams 3. AUDIO PART...

  • Page 32: Pcb Diagrams

    6. SGH-P730 PCB Diagrams 1. Main PCB Top Diagram ZD 308 LED 101 ZD 307 L601 R 389 C 619 L607 C 633 C 624 R 607 L600 R 385 R 134 R 382 ZD 105 U 601 ZD 309...
  • Page 33 SGH-P730 PCB Diagrams 2. Main PCB Bottom Diagram R 207 C 424 C 215 R 505 C 512 C 514 R 504 R 507 R 501 C 501 C 507 C 509 ZD 303 ZD 306 R 506 C 602...
  • Page 34 ⓒ Samsung Electronics Co.,Ltd. Oct. 2004 Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Code No.: GH68-05424A International and/or domestic law. BASIC.

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