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Samsung SGH-P408 Service Manual
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Samsung SGH-P408 Service Manual

Samsung SGH-P408 Service Manual

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Download this manual See also: Owner's Manual, User Manual
SERVICE
GSM TELEPHONE
4
7
3
DEF
2
ABC
6
GHI
MNO
5
JKL
9
PQRS
WXYZ
8
TUV
0
GSM TELEPHONE
SGH-P408
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-P408

  • Page 1 GSM TELEPHONE SGH-P408 Manual SERVICE GSM TELEPHONE CONTENTS Specification Circuit Description Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams PQRS WXYZ...
  • Page 2 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. JUNE. 2003 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.: GH68-03690A International and/or domestic law. BASIC.

  • Page 3: Specification

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

  • Page 4: Gsm Tx Power Class

    4 ± 4 dBm 4 ± 4 dBm 5 ± 3 dBm 2 ± 5 dBm 2 ± 5 dBm 0 ± 5 dBm 0 ± 5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Circuit Description

    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. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • 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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 12.5mA to 100mA in 12.5mA steps. LED_DRV is capable of sinking 100mA 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. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • 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. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 It is 24-pin connector, and uses 18-pin at present. They are designed to use SDS, DEBUG, DLC-DETECT, JIG_ON, VEXT, VTEST, VF, CF, VBAT and GND. They connected to power supply IC, microprocessor and signal processor IC. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 YMU762MA3 directly interprets and plays blocks relevant to systhesis (playing music and reproducing ADPCM with FM synthesizer) that are included in data distributed in SMAF. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 FPCB and are used for the communicatios using IRDA(IRDA_RX/TX/EN) and data link cable(DEBUG_DTR/RTS/TXD/RXD/CTS/DSR). And UP_CS/SCLK/SDI, control signals for PSC2006 are outputted through PPI pins. It has signal port for SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • 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,YMU759 and Silab solution. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Flow Chart Of Troubleshooting

    Check the clock signal at pin#3 of OSC801 Freq = 13MHz , Check the clock generation Vrms ≥ 300mV circuit (related to OSC801) Vpp ㆃ 900mVpp Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 PROG TA_VEX T C118 10UF 6.3V R111 10K,1 % U102 Q102 C119 CHG_DE T 10UF CHG_ON R107 47K,1% R108 TA_VEX T 10K,1% ICHRG R10 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 The Voltage is "High" at the C110, C111, Check the U100 C112 LCD display is O.K Check the LCD Part Sound is O.K Check the Audio Part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 C231 TP21 0 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF IRDA JTAG CON SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 Is there any Signals pin#52, #53, #54 of Check the U601 U100? Is there any Signals pin#49, #50, #51 of Check the U100 CN100? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 VEX T BP_V F BP_V F VBAT C30 0 C301 ZD30 5 ZD308 ZD303 ZD304 ZD30 7 ZD306 100NF 220NF ZD302 ZD300 ZD301 I/F CONNECTOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 "low"? The pin #5 of U101 is Check the U101 3.2~4.2V"? The ICHRG = 1V(during charging) Solder again or change R108 and ㆃ 180mV(full charging)? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 AUXI N R414 R415 AUXOUT R416 C402 0 C4018 C4019 150PF C418 C419 150PF R417 VCCA VCCD R418 R41 9 Q400 EAR_SWITC R420 AUDI O SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 O.K? Check the reference voltage on mic path Solder the microphone again or C420 ㆃ 2.0V Replace C409,C416,R407,R409,R410,R411 Check U700 Is microphone ok? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 H1 2 R502 F-_RS T FLASH_RESET GN D C504 F5 S-_OE CP_OEN GN D 10NF H9 F-_OE GN D B8 S-_WE CP_WEN F-_WE MEMORY 3-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 U400? The pin#4 The pin#4 Check U401 of U400 is of U400 is Check U400 Check U700 3-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 10N F DEBUG_TX D FLASH_RESET DEBUG_RX D AUDIO_AMP_EN DEBUG_CTS CHG_ON IRDA_EN UP_CS UP_SCLK SDS_TX D UP_SD I SDS_RX D SIMDAT A SIMCLK CHG_DET TRIDENT 3-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 U900 resolder or change U901 pin1, 2 U901 Vp-p : 250mV ? resolder or change U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C712 C71 3 GNDD U703 10NF 10N F 10N F 10NF G10 VSS H10 VSS K8 VSS VCC D PCS_RX_EN C716 33PF CSP109 3 3-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Egsm Transmitter

    U700 U1001 pin9,10,11, check or change or change change or 1213: 3V? change resolder resolder U902 U901 change or change or resolder resolder 3-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 KEY-XBS KEY-XB S KEY-XBS VOL_D N LS10N2-T KEY_ROW(2) LEFT DD-DOM-4PIE KEY-XBS KEY-XBS KEY-XB S KEY-XBS KEY_ROW(3) RIGHT KEY-XBS KEY-XBS KEY-XB S KEY-XBS KEY-XBS KEY_ROW(4) 3-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 U900 resolder or change U901 U901 pin1, 2 resolder or change Vp-p : 250mV ? U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 RFLO P SERCLK SD I RFLO N SERDAT C916 C917 C918 C91 9 VOSC 100PF 100PF 100PF 100PF C920 22NF MICRO STRIP LINE SI-LA B 3-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 U900 resolder or change U901 U901 pin1, 2 resolder or change Vp-p : 250mV ? U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 VCC2 VCC2 VPA C C1013 100U F 6.3V C1014 1N F TX_BAND_SEL R100 8 C1015 100K,1% 33PF TXPOWER TX_EN C1016 33PF TRANSMITTER & RECEIVER 3-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 4 : 3V U1001 pin33,C110 pin9,10,11, check or change change or change or 1213: 3V? change resolder resolder U902 U901 change or change or resolder resolder 3-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Check U1102 and C1126 Check U1109 pin4 has Check U1107, U1112 and U1109 low-active signal. Check U1108 pin4 has Check U1110, U1111 and U1108 low-active signal. 3-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 CAMERA DSP VCC_CAM VBAT CN1101 U1104 NSUB_D C NSUB_PLU S OU T 13 13 CINS C1134 16 16 33UF CAMPWR_ON REF_BYP 6.3V CAM POWE R 3-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 4. SGH-P408 Exploded View and its Parts list 1. Cellular phone Exploded View SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 DOME SHEET GH59-00781A GH59-00626A CONN COVER GH73-01445A ANTENNA GH42-00248A REAR COVER GH75-02837A SCREW 6001-001155 REAR SCREW COVER GH73-01507A RF COVER GH73-01506A SHOT KEY GH75-02887A BATTERY GH43-00839A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00090A) (GH39-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00159A) (GH44-00171C) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Electrical Parts List

    R1001,R1005 1205-002185 U900 2007-001308 R802 1209-001219 U602 2007-001323 R109 1209-001434 U902 2007-001325 R408 1405-001018 ZD308 2007-001333 R418 1405-001082 ZD303,ZD304,ZD305 2007-002797 R800 1405-001082 ZD306,ZD307,ZD401 2007-003001 R401,R402 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 C100,C1103,C1104 2203-000254 C806 2203-005061 C1109,C1113,C1114 2203-000278 C1017,C912,C915 2203-005061 C1117,C1118,C301 2203-000311 C401 2203-005061 C1119,C1120,C1121 2203-000386 C801 2203-005061 C1122,C1124,C1125 2203-000438 C1014,C202,C221 2203-005061 C300,C400,C402,C408 2203-000438 C4018,C4019,C413 2203-005061 C414,C500,C501,C502 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 L1008 2703-001729 L1003 2703-001747 L1000 2703-001751 L900 2703-002542 L1001 2703-002543 L1006 2703-002544 L1002 2703-002207 L1007 2801-004025 OSC601 2809-001260 OSC801 2804-001492 U1102 2904-001410 F1003 2909-001191 U1005 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Block Diagrams

    DATA, SERIAL DATA ARM7TDMI CLK, INTERFACE GSM:890MHz~ 915MHz D E T DCS:1710MHz~ 1785MHz TCVCXO 13 MHz PCS:1850MHz~ 1910MHz A F C C L K SI4133T SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Memory part Camera Solution Camera Asic Camera DSP CAM_D[0:15] Y[0:7] Y[0:7] CAM_A UV[0:7] UV[0:7] CAM_WEN PCLK PCLK CAM_CLCD_EN D[0:15] NSUB_DC CP_OEN NSUB_PLUS CP_WEN CINS CAM_INT CLCD_EN SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...