Samsung SGH-P408 Service Manual Download Page 4

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SGH-P408 Specification

This Document can not be used without Samsung's authorization

TX Power

control level

GSM900

2 dBm

3 dBm

3dBm

3 dBm

TX Power

control level

DCS1800

3 dBm

4 dBm

4dBm

4 dBm

5 dBm

TX Power

control level

PCS1900

3 dBm

4 dBm

4dBm

4 dBm

5 dBm

2. GSM TX power class

Summary of Contents for SGH-P408

Page 1: ...ONE CONTENTS 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 GSM TELEPHONE 2 ABC DEF MNO GHI PQRS WXYZ JKL TUV 3 4 5 6 7 8 0 9 ...

Page 2: ...nics Co Ltd JUNE 2003 Printed in Korea Code No GH68 03690A 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 512 885 512 810 Tx Rx spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 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 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl ...

Page 4: ...15 13 2 dBm 16 11 3 dBm 17 9 3dBm 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 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1900 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 ...

Page 5: ...Wave to Acoustic Wave and then pass the specific frequency band GSM FILTER C1003 C1004 L1001 ð For filtering the frequency band between 925 960 MHz DCS FILTER C1005 C1006 L1002 ð For filtering the frequency band 1805 and 1880 MHz PCS SAW FILTER F1003 C1009 C1010 L1006 ð For filtering the frequency band between 1930 and 1990 MHz 4 TC VCXO OSC801 To generate the 13MHz reference clock to drive the lo...

Page 6: ...ADC 6 Si 4201 U900 The SI4201 down converts the ADC output to baseband with a digital 100 KHz quadrature LO signal Digital decimation and IIR filters perform channel selection to remove blocking and reference interface signals After channel selection the digital output is scaled with a digital PGA which is controlled with the DGAIN DACs drive a differential analog signal onto the RXIP RXIN RXQP RX...

Page 7: ...input voltage monitor and a thermal monitor support reliable system design These functions work together to ensure proper system behavior during start up or in the event of a fault condition low microprocessor voltage insufficient battery energy or excessive die temperature 2 Battery Charge Management A battery charge management block provides fast efficient charging of a single cell Li ion batter...

Page 8: ...IO part of the DSP in the trident RST signal from 2006 initiates the initial process of the LCD 16 bit data lines D 0 _FO D 15 _FO transfers data and commands to LCD through emi_filter Data and commands use A 2 _FO signal If this signal is high Inputs to LCD are commands If it is low Inputs to LCD are data The signal which informs the input or output state to LCD is required But this system is not...

Page 9: ...key is seperated from the matrix So power on off signal is connected with PSC2106 to enable PSC2106 SVC_GREEN SVC_RED and SVC_BLUE are from OCTL of CSP1093 These signals decide the color of LED service indicator Eighteen key LED use the V_bat supply voltage These are connected to BACKLIGHT signal in the PSC2106 This signal enables LEDs with current control FLIP_SNS informs the status of folder ope...

Page 10: ...he complex music without giving excessive load to the CPU of the portable telephones Moreover the registers of the FM synthesizer can be operated directly for real time sound generation allowing for example utilization of various sound effects when using the game software installed in the portable telephone YMU759 includes a speaker amplifier with high ripple removal rate whose maximum output is 5...

Page 11: ...6 Trident Trident is consisted of ARM core and DSP core It has 20K 16bits RAM 144K 16bits ROM in the DSP It has 4K 32bits ROM and 2K 32bits RAM in the ARM core DSP is consisted of timer one bit input output unit BIO JTAG EMI and HDS Hardware Development System ARM core is consisted of EMI PIC Programmable Interrupt Controller reset power clock unit DMA controller TIC Test Interface Controller peri...

Page 12: ...register are GMSK modulated according to GSM 2 standards The resulting phase information is translated into I and Q differential output voltages that can be connected directly to an RF modulator at the TXOP and TXON pins The DSP is notified when the transmission is completed For receiving baseband data a DSP can program CSP1093 s event timing and control register with the exact time to start recei...

Page 13: ...rk Voltage 3 3V Download again Charge the Battery pin 11 2 8V Check U100 and C117 pin 39 and pin 42 2 8V Check U100 and C116 Freq 13MHz Vrms 300mV and Vpp ㆃ 900mVpp Check the clock generation circuit related to OSC801 END No Yes Yes Yes Yes Yes No No No No pin 9 1 8V No Yes Check the V bat Voltage Check the pin of U100 Check the clock signal at pin 3 of OSC801 Check the initial operation Check the...

Page 14: ...EN_4 1 24 25 EN_5 EN_5A 26 27 EN_5B 57 U100 44 ADC_AUX1 ADC_AUX2 45 ADC_TRI G 56 43 BTEM P CREF 29 R10 5 10 C105 1UF VCCA 1 3 2 VCC D 5 6 4 Q102 Q101 3 1 2 VRF VPA C 1UF C111 470NF C112 3 2 VOSC VBA T 4 Q100 1 U102 2 5 6 3 1 47K 1 R107 10K 1 R108 NC R112 R10 9 3K 7 8 G G 9 10 G 330K R102 CN100 11 2 2 33 4 4 5 5 6 6 G VRTC VCC D 100PF C113 10K 1 R111 VCCB 100NF C106 VCC_1 8A C114 2 2U F U101 DRIVE ...

Page 15: ...re Check the U100 If it has some problem it has to be replaced END No Yes Is the pin 19 of U100 Low High Yes Check the U601 There is 32 768kHz wave forms at the C614 and C616 Check the LCD Part Yes No No Yes Yes Yes The Voltage is High at the C110 C111 C112 Check the Audio Part No Check the U100 If it has some problem it has to be replaced Check the U700 The pin 25 of U100 is High Check the U100 L...

Page 16: ...1 1 10 GND2 GND3 11 2 NC 6 RX D SD 5 SHIELD 9 LED200 TP21 0 33PF C213 6 6 7 7 8 8 9 9 3 3 30 30 31 31 32 32 33 33 34 34 4 4 5 5 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 15 15 16 16 17 17 18 18 19 19 2 2 20 20 21 21 CN200 1 1 10 10 11 11 12 12 13 13 14 14 1NF C202 TP20 8 TP20 9 TP20 6 TP20 7 100PF C238 C207 33PF C218 33PF 33PF C21 6 33PF C208 C227 33PF 33PF C219 C223 33PF 100PF C235 33PF 33P...

Page 17: ...oubleshooting This Document can not be used without Samsung s authorization 3 5 3 Sim Part Is there any Signals pin 52 53 54 of U100 Insert SIM is displayed on the LCD Check the U601 Check the SIM Card END No Yes Yes Yes No Check the U100 Is there any Signals pin 49 50 51 of CN100 ...

Page 18: ...IG_O N DEBUG_RT S DEBUG_CT S VEX T I F CONNECTOR SDS_TXD DEBUG_DC D DEBUG_RI VBAT ZD305 ZD307 ZD304 47K VCCD ZD303 R30 4 R301 1K 14 R30 21 K ZD308 VBA T C301 220NF C30 0 100NF 12 13 11 4 5 R30 31 K 17 ZD300 1 2 3 15 16 2 ZD306 CN300 1 1 R30 61 K 1K R30 5 18 20 21 22 19 VCC D ZD302 47K R300 1 2 3 4 5 10 6 ZD301 8 9 7 4 5 TA_VEX T DLC_DETEC T 3 SDS_RXD JIG_O N SDS_TX D DEBUG_RXD DEBUG_TX D DEBUG_RI ...

Page 19: ... 7 4 Charging Part The pin 17 18 of CN300 is TA_VEXT ㆃ 5V Abnormal charging operation The pin 3 of U102 is low Replace TA or Check CN300 Check the U102 Check the Q101 END No Yes Yes Yes No No The pin 3 of Q101 is low The pin 5 of U101 is 3 2 4 2V Check the U101 No Yes The ICHRG 1V during charging and ㆃ 180mV full charging No Solder again or change R108 Yes ...

Page 20: ...18 10K 2 2K R410 VREF VSS 8 CS 29 3 IRQ RD 31 RST 4 28 WR MTR 5 NC PLLC 6 17 SPOUT 1 SPOUT 2 18 15 SPVD D SPVSS 16 7 VDD 9 EQ 1 12 13 EQ 2 EQ 3 14 HPOUT L MON O 10 11 HPOUT R IOVDD 32 LED 2 19 CLKI D0 27 26 D1 25 D2 D3 24 23 D4 D5 22 D6 21 D7 20 1 V U401 30 A0 1 COM 2 6 GND IN1 4 IN2 8 5 NC1 7 NC2 NO1 2 NO2 10 VCC D U400 3 COM 1 9 CN40 1 1 2 3 4 5 6 VCCD C403 22NF NC C418 NC R417 NC R416 0 56K R41...

Page 21: ... without Samsung s authorization 3 9 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C420 ㆃ 2 0V Reassemble the microphone Solder the microphone again or Replace C409 C416 R407 R409 R410 R411 END No Yes Yes Yes Yes No Is microphone ok No Check U700 Check the reference voltage on mic path ...

Page 22: ... F2 _CE H10 C10 C8 DQ6 DQ7 B10 F8 DQ8 DQ9 F7 F A17 G4 F A21 C5 F RY _BY C4 E6 D7 DQ12 DQ13 C7 B9 DQ14 DQ15 B7 E9 DQ2 DQ3 E10 C9 DQ4 DQ5 H4 G6 A6 A7 G5 B4 A8 A9 B6 F9 DQ0 DQ1 F10 E8 DQ10 DQ11 A5 B3 A16 G3 A18 A19 E5 G8 A2 A20 A3 A3 G7 H5 A4 A5 H6 A0 A1 G9 B5 A10 A11 A4 A8 A12 A13 A7 A6 A14 A15 U500 VCCD C500 100NF 10NF C504 10 R501 C502 100NF 100NF C501 VCCD VCCD WR_PROTECT R502 10 D 6 D 7 D 8 D 9 ...

Page 23: ...f Speaker O K There is no sound from Speaker Are there any signals at the C220 C227 Check LCD or Replace CN200 Check U401 Is there any signals at the pin 5 and END No Yes Yes Yes No No The type of sound from the Speaker is Melody Replace the Speaker Yes No The pin 4 of U400 is No No Yes Yes Yes Check U400 Is there any signals at the pin 2 and pin 10 of U400 The pin 4 of U400 is No Check U700 ...

Page 24: ... XCPTSTSTOP_CKO XCP_A0_BEON B13 XCP_A1 F11 XCP_A10 D16 F14 XCP_A11 G14 XCP_A12 XCP_A13 K6 VSSA E10 VSS_DPLL E15 A7 X1RTC X2RTC D10 XAG0 B11 A11 XAG1 E11 XAG2 XAG3 L9 VSS VSS A3 VSS F6 G9 VSS VSS G1 0 H7 VSS H1 1 VSS VSS J7 VSS D8 VRTC A2 VSS K7 VSS L6 VSS VSS L10 M7 VSS VSS L8 VSS J11 U2 P8 VDDE VDDE U15 U16 VDDE VDDE N1 6 E16 VDDE VDDE E17 G1 6 VDD_DPLL R16 R17 VD D VD D A5 C16 VD D C11 VDDA VDDE...

Page 25: ...r change U1005 resolder or change C1003 C1004 L1001 resolder or change U100pin33 C110 check or resolder U902 CHECK pin 7 13MHz Vp p 860mV U902 change or resolder U901 CHECK pin 14 23 26 32 clean 2 8V C804 R803 resolder OSC801 change or resolder U100pin39 C111 check or resolder U901 pin3 4 Vp p 240mV U900 CHECK pin6 20 2 8V U900 resolder or change U901 pin1 2 Vp p 250mV U901 resolder or change U900...

Page 26: ...B2 DB3 J1 H3 DB4 DB5 G3 F5 DB6 DB7 G2 F2 DB8 DB9 E2 DAIRN J2 DB0 DB1 H2 D2 DB1 0 DB1 1 D4 E1 DB1 2 DB1 3 E4 C2 DB1 4 DB1 5 B1 AOUTBN AOUTB P D13 A14 AUXI N B14 AUXOUT L5 CINTR DAICK B10 B9 DAIDI B8 DAIDO D10 P1 N1 AB5 AB6 M2 L2 AB7 AB8 K1 G12 AFC G13 AOUTAN F13 AOUTAP E1 4 U700 T AB0 P5 N4 AB1 AB2 N3 P2 AB3 AB4 C702 68PF C70 1 68PF TP711 TP710 10NF C71 3 10NF C712 5 1K R701 100NF C705 1UF C704 R70...

Page 27: ...S YES U1001 change NO U700 check U700 check change YES NO U901 pin14 23 26 32 2 8V U100pin39 C111 change or resolder YES U901 pin9 10 12 13 20dBm U901 pin5 6 7 8 1 7V YES U700 change NO NO U1001 change or resolder YES U902pin5 25 28 3V NO U100 pin33 C110 change or resolder NO U902 pin 7 13MHz Vp p 950mV YES U902 pin9 10 11 1213 3V YES YES U901 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC80...

Page 28: ...VBA T R814 8 KEY XBS 12 KEY XBS LED804 LED805 SLS NNBL102TS C807 VCCD SLS NNBL102TS 200 100NF 150 R81 7 R802 R82 1 150 150 R81 9 LED82 1L ED822 SLS NNBL102TS 0 R820 SLS NNBL102TS KEY XB S 12 LED80 1 SLS NNBL102TS 1 12 KEY XBS DOWN 12 6 KEY XBS T 12 KEY XBS CLEA R 12 END_PW R KEY XBS 12 R81 6 150 KEY XBS 150 R815 LED810 LED811 SLS NNBL102TS 12 DD DOM 4PIE F1 12 SLS NNBL102TS KEY XBS 5 12 4 KEY XBS ...

Page 29: ...nge U1005 resolder or change C1005 C1006 L1002 resolder or change U100pin33 C110 check or resolder U902 CHECK pin 7 13MHz Vp p 860mV OSC801 CHECK pin 4 clean 3V U902 change or resolder U901 CHECK pin 14 23 26 32 clean 2 8V R803 C804 change or resolder OSC801 change or resolder U100pin39 C111 check or resolder U901 pin3 4 Vp p 240mV U900 CHECK pin6 20 2 8V U900 resolder or change U901 pin1 2 Vp p 2...

Page 30: ...FID N RFID P 19 22 RFIG N RFIG P 21 18 RFIP N RFIP P 17 13 GND 35 GND 36GND IFLO N 10 9 IFLO P 1 ION IOP 2 L1 29 28 CKN 4 CKP 16 DIAG 1 DIAG 2 15 GND 11 GND 27 30 GND GND 33 34 U901 3 22NF C913 C919 100PF C915 10P F C912 10PF 100PF C914 100PF VOSC C911 C903 22NF 22NF C910 VRF VRF C918 100PF L900 3 9nH VOSC VOSC SEN B 11 VDDD 5 28 VDDI VDDR 25 7 XI N 19 RFLB 17 RFLC 16 RFLD RFLO N 23 24 RFLO P 12 S...

Page 31: ...esolder or change U100pin33 C110 check or resolder U902 CHECK pin 7 13MHz Vp p 860mV OSC801 CHECK pin 4 clean 3V U902 change or resolder U901 CHECK pin 14 23 26 32 clean 2 8V R803 C804 change or resolder OSC801 change or resolder U100pin39 C111 check or resolder U901 pin3 4 Vp p 240mV U900 CHECK pin6 20 2 8V U900 resolder or change U901 pin1 2 Vp p 250mV U901 resolder or change U900 pin 2 3 4 5 Vp...

Page 32: ... 1 VPA C 0 75PF C1010 C1015 L1006 7 5NH PCSRX 6 33PF DCS PCSTX EGSMRX 1 2 EGSMRX EGSMTX 12 7 GG 14 U1005 15 ANT DCSRX 3 4 DCSRX 10 33nH L1001 C100 7 47PF 4 3 IN 1 OUT C100 8 1PF CN1001 2 GND GND VBA T C1003 0 75PF 3 3nH L100 7 6 3V 100U F C1013 L1000 4 7nH 18nH L1008 R1007 300 18 R1004 47PF C1000 33PF C1012 100K 1 R100 8 300 R1003 R1000 18 R1002 300 180 R100 5 180 R100 1 10PF C101 7 0 75PF C1004 0...

Page 33: ...S U1001 change NO U700 check U700 check change YES NO U901 pin14 23 26 32 U100pin39 C111 change or resolder YES U901 pin9 10 12 13 20dBm U901 pin5 6 7 8 1 7V YES U700 change NO NO U1001 change or resolder YES U902pin5 2 5 28 3V NO U100 pin33 C110 change or resolder NO U902 pin 7 13MHz Vp p 950mV YES U902 pin9 10 11 1213 3V YES YES U901 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 change...

Page 34: ...a function does not work Yes Check the connect CN1101 No Connect the camera module Yes U1104 pin 5 3 0V No Check U1104 and C1134 Yes U1106 pin 4 2 5V Yes No Check U1106 C1135 and R1106 U1102 pin 3 27MHz No Check U1102 and C1126 Yes Check U1109 pin4 has low active signal No Check U1107 U1112 and U1109 Yes Check U1108 pin4 has low active signal Yes No Check U1110 U1111 and U1108 END ...

Page 35: ...NF1 0NF C1119 VCC_CAM 100NF 6 3V 33UF C110 6 0 R1107 C1129 10NF C1130 10NF R1105 68 10NF C1108 R1101 5 6K VBAT VCC_CAM C1111 100NF 1UF C113 5 C1100 PCLK C111 7 100NF 10NF C1127 10NF YOUT 100NF C1121 K7 Y2 Y3 H7 G7 Y4 Y5 K8 J8 Y6 Y7 H8 C3 YIN A2 G3 VSS V VSSAD A4 C2 VSSAMOS C6 VSSHCCD VSSVA D1 K9 VSSVCO Y0 H6 Y1 J7 VNS1 VNS2 F3 VREF G8 VSS D F8 H1 VSS D VSS D J1 VSS D J5 VSS D J6 VSS V D9 VDD V VDD...

Page 36: ...hout notice 4 SGH P408 Exploded View and its Parts list 4 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 1 2 3 4 5 6 7 9 12 10 11 13 15 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 33 8 ...

Page 37: ...GH59 00802A 10 HINGE HOUSING GH75 02571A 11 SCREW 6001 001456 12 SCREW 6001 001834 13 HINGE WASHER GH71 01152A 14 CAMERA RING GH71 01136A 15 CAMERA GH59 00803A 16 CAMERA KNOB GH71 01137A 17 HINGE HOUSING CAP GH72 06417A 18 SIDE COVER GH71 00719A 19 SCREW 6001 001670 20 SIDE CAP GH71 01577A 21 FRONT COVER GH75 02833A 22 VOLUME KEY GH75 02838A 23 KEYPAD GH75 02836A 24 MAIN PBA GH92 01366A 25 DOME SH...

Page 38: ... Exploded view and its Part list 4 3 This Document can not be used without Samsung s authorization 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00090A 3 2 Test Cable GH39 00127A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00159A 3 6 TA GH44 00171C ...

Page 39: ...4 001984 U700 1205 002268 U901 1205 002185 U900 1209 001219 U602 1209 001434 U902 1405 001018 ZD308 1405 001082 ZD303 ZD304 ZD305 1405 001082 ZD306 ZD307 ZD401 SEC Code Design LOC 1405 001082 ZD402 ZD403 ZD405 2007 000138 R803 2007 000140 R302 R303 R304 R305 2007 000140 R306 R419 2007 000141 R410 R412 2007 000144 R701 2007 000148 R1104 R407 R413 R420 2007 000157 R300 R301 R600 R602 2007 000159 R40...

Page 40: ...12 2203 000254 C713 C803 C804 C805 2203 000254 C806 2203 000278 C1017 C912 C915 2203 000311 C401 2203 000386 C801 2203 000438 C1014 C202 C221 2203 000438 C4018 C4019 C413 SEC Code Design LOC 2203 000585 C407 2203 000628 C614 C616 2203 000679 C606 2203 000812 C101 C1012 C1015 2203 000812 C1016 C103 C104 C203 2203 000812 C204 C206 C207 C208 2203 000812 C209 C210 C211 C212 2203 000812 C213 C214 C215 ...

Page 41: ...03 006053 C110 C111 C116 C117 2203 006201 C102 2404 001086 C404 C412 2404 001100 C1106 C1107 C1134 2404 001105 C118 2404 001134 C1013 2404 001151 C416 2404 001268 C119 2703 001722 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 U10...

Page 42: ...SM RF FILTER RF FILTER SI4200 SI4133T π 2 RF PLL PGA SERIAL DATA INTERFACE GSM 890MHz 915MHz PCS 1850MHz 1910MHz PAM GSM 925MHz 960MHz PCS 1930MHz 1990MHz I Q CSP1093 TRIDENT DSP16000 ARM7TDMI UI SERIAL DATA CLK LE RF FILTER DCS 1805MHz 1880MHz L N A PGA A D C A D C IF PLL DCS 1710MHz 1785MHz D E T 100KHz CHANNEL FILTER D A C D A C PGA PGA R X TCVCXO 13 MHz C L K A F C T X I Q SI4201 ...

Page 43: ...CD KEYBOARD SRAM 16M FLASH ROM 128M 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 Camera Solution Camera DSP Ca...

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