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Samsung SGH-X430 Service Manual

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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-X430
Manual
1.
Specification
2.
Circuit Description
3.
Flow Chart of Troubleshooting
4.
Exploded Views and Parts List
5.
Electrical Parts List
6.
Block Diagrams
7.
PCB Diagrams
CONTENTS

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Summary of Contents for Samsung SGH-X430

  • Page 1 GSM TELEPHONE SGH-X430 Manual SERVICE GSM TELEPHONE CONTENTS Specification Circuit Description Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...
  • Page 2 ELECTRONICS This Service Manual is a property of Samsung ⓒ Samsung Electronics Co.,Ltd. December. 2003 Electronics Co.,Ltd. Printed in Korea. Any unauthorized use of Manual can be punished Code No.: GH68-04389A under applicable International and/or domestic law. BASIC.

  • Page 3: Gsm General Specification

    - 1 0 0 d B m TDM A M u x C el l Ra d iu s 3 5 K m 3 5 K m 2 K m This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...

  • Page 4: Gsm Tx Power Class

    6 ± 4 dBm 9 ± 3dBm 7 ± 3 dBm 4 ± 4 dBm 5 ± 3 dBm 2 ± 5 dBm 0 ± 5 dBm This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 5 The oscillator for RX IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 6 -35dBc 30 kHz bandwidth -35dBc -66dBc 400kHz offset Modulation -65dBc Spectrum 30 kHz bandwidth -66dBc -75dBc 600kHz ~ 1.8MHz offset -68dBc 30 kHz bandwidth -75dBc This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 7 Both LED drivers are capable of sinking their maximum output current at a worst-case maximum output voltage of 0.6V. For efficient use, the LEDs is connected between the battery and the LED_DRV output. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 8 DSP_TCK signals are used for clock because JTAG communication is a synchronous. CP_TMS and DSP_TMS signals are test mode signals. The difference between these is the RESET_INT signal which is for ARM core RESET. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 9 FM synthesizer, various sampled voices can be used as sound effects. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 10 RESET from PSC2106, for ESD protection. A[0] signal enables lower byte of SCRAM and UPPER_BYTE signal enables higher byte of SCRAM. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 11 148 bits in the internal This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 12 This system uses the 13MHz TCXO, TCO-9141B, Toyocom. AFC control signal form CSP1093 controls frequency from 13MHz x-tal. It generates the clock frequency. This clock is fed to CSP1093,Trident,YMU762 and Silab solution. This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 13 3. SGH-X430 Exploded View and its Parts list 1. Cellular phone Exploded View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 14 MAIN PBA GH92-01606A VOLKEY FPCB GH59-00934A GH30-00054A IF COVER GH73-01331A ANTENNA GH42-00341C REAR COVER GH75-03385B RF COVER GH73-02490B SCREW 6001-001479 SIDE KEY GH72-08862A BATTERY GH43-01070B This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 15 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00182A) (GH39-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00159A) (GH44-00482A) This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 16 2007-000162 V804 1405-001082 R304 2007-000167 V808 1405-001082 R401 2007-000170 V903 1405-001082 R1013 2007-000171 V904 1405-001082 R1016 2007-000171 V905 1405-001082 R105 2007-000171 V907 1405-001082 R204 2007-000171 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 17 2203-000254 R403 2007-007142 C513 2203-000254 R502 2007-007200 C514 2203-000254 R503 2007-007200 C515 2203-000254 R404 2007-007308 C604 2203-000254 R406 2007-007308 C700 2203-000254 R223 2007-000171 C104 2203-000278 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 18 2203-005496 C310 2203-001598 C413 2203-005496 C311 2203-001598 C505 2203-005496 C312 2203-001598 C703 2203-005509 C315 2203-001598 C902 2203-006053 C316 2203-001598 C323 2203-006105 C903 2203-001598 C306 2203-006257 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 19 2703-002484 L100 2703-002485 OSC400 2801-003747 OSC100 2809-001260 F100 2904-001417 F101 2904-001419 U201 2909-001197 CON1 3705-001287 CN300 3709-001244 CN700 3711-005078 CN1000 3722-001715 M300 4302-001130 U400 GH09-00023A This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 20 1710 ~ 1785 MHz SCLK (CH698 : 1747.4 MHz) SENB Dual PAM PDNB (U200) EGSM TX 880 ~ 915 MHz (CH62 : 902.4 MHz) Bryce Park This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 21 DSPJTAG JTAG OCTL X-TAL DAIRN 32.768KHz DAIDO DAIDI JTAG/ICE KEYBOARD Audio Part JTAG/ICE Audio Keypad SCRAM FLASH (32M) (128M) Motor B'D B'D conn. Memory part This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 22 6. SGH-X430 PCB Diagrams 1. Main PCB Top Diagram This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 23 6. SGH-X430 PCB Diagrams 2. Main PCB Bottom Diagram This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 24 Check the clock signal Check the clock generation circuit at pin3 of OSC100 (related to OSC100) Freq = 13MHz , Vrms ≥ 300mV Check the initial operation This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 25 The Voltage is "High" at Check the U300 the C307 LCD display is O.K Check the LCD Part Sound is O.K Check the Audio Part This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 26 Check the U400 pin#52, #53, #54 of U300? Is there any Signals Check the U300 pin#1, #2, #3, #4 of CN300? Check the SIM Card This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 27 Replace TA or Check CN800 The pin #7 of U301 is Check the U301 3.2~4.2V"? The ICHRG = 1.4V(during charging) and 뵃 180mV(full Solder again or change R306 charging)? This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 28 7. SGH-X430 Flow Chart of Troubleshooting This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 29 Check the reference voltage on mic path Solder the microphone again or C1016 뵃 2.5V Replace around Mic Circuit (C1009, R1010, R1009, R1006, R1008..) Is microphone ok? Check U500 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 30 U1001? pin#10 of U1001? The pin#4 of The pin#4 of Check U1000 U1001 is U1001 is "Low" "High" Check U1001 Check U500 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...
  • Page 31 7. SGH-X430 Flow Chart of Troubleshooting This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...

  • Page 32: Egsm Receiver

    U900 CHECK U100 pin46, C114 pin 9: clean 3V? check or resolder U900 pin1,2,3,28 U900 Vp-p : 100mV? resolder or change CHECK U700 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice...

  • Page 33: Egsm Transmitter

    4 : 3V ? change or resolder U900 U700 pin10,12,13,14: check or change U900 change or resolder U901 pin5,6,7,8 :1.7V ? U1001 change or resolder U700 change This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice 7-10...

  • Page 34: Dcs Receiver

    U900 CHECK U100 pin46, C114 pin 9: clean 3V? check or resolder U900 pin1,2,3,28 U900 Vp-p : 100mV? resolder or change CHECK U700 This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice 7-11...

  • Page 35: Dcs Transmitter

    4 : 3V ? change or resolder U700 pin10,12,13,14: check or change U900 change or resolder U900 pin4,5,6,7 :1.7V ? U1000 change or resolder U700 change This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice 7-12...
  • Page 36 7. SGH-X430 Flow Chart of Troubleshooting This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice 7-13...
  • Page 37 7. SGH-X430 Flow Chart of Troubleshooting This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change without notice 7-14...