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SGH-N707

SERVICE

Manual

GSM TELEPHONE

CONTENTS

Specification

Circuit Description

Exploded Views and Parts List

Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

GSM TELEPHONE

Содержание SGH-N707

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

Страница 2: ...nics Co Ltd APRIL 2004 Printed in Korea Code No GH68 05461A 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 ...

Страница 3: ...CS1900 Freq Band MHz Uplink Downlink 824 849 869 894 1850 1910 1930 1990 ARFCN range 128 251 512 810 Tx Rx spacing 45MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm TDMA Mux 8 8 ...

Страница 4: ...M850 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power control level PCS1900 0 30 2 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 ...

Страница 5: ...ed by serial data to select channel and use fast lock mode for GPRS high class operation 5 SI 4205 U404 This chip integrates two differential input LNAs The GSM input supports the GSM850 PCS input supports the DCS1900 The LNA inputs are matched to the 200 ohm differential output SAW filters through eternal LC matching network Image reject mixer downconverts the RF signal to a 100 KHz intermediate ...

Страница 6: ...al interface unit SIU provides access to control and configuration registers This interface gives a microprocessor full control of the CSP2200B1 and enables system designers to maximize both standby and talk times Error reporting is provided via an interrupt signal and status register Supervisory functions including a reset generator an input voltage monitor and a thermal monitor support reliable ...

Страница 7: ...mmands to LCD Data and commands use A 2 signal If this signal is high Inputs to LCD are commands If it is low Inputs to LCD are data The signals which inform the input or output state to LCD are required But this system is not necessary for read enable signal CP_WEN signal is only used to write data or commands to LCD Power signal for operating LCD driver is VCCD 3 JTAG Connector Trident has two J...

Страница 8: ... 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 550...

Страница 9: ...ARM core and DSP core CSROMEN CSRAMEN and CS1N to CS4N in the ARM core are connected to each memory WEN and OEN control the process of memory External IRQ Interrupt ReQuest signals from each units such as YMU Ear jack Ear mic and CSP1093 need the compatible process Some PPI pins has many special functions CP_KB 0 9 receive the status from key FPCB and are used for the communications using data lin...

Страница 10: ...ce 3 SGH N707 Exploded View and its Parts list 3 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 1 QRE01 QAN01 QMW02 QFR01 QKP01 QMO02 QSP01 QLC41 QMI01 QME01 QMP01 QIF01 QCR05 QAN05 QCR04 QRE02 QRF01 QBA21 ...

Страница 11: ...04537A QIF01 PMO IF COVER GH72 16745A QKP01 MEC KEYPAD ASSY GH75 04539A QSP01 SPEAKER 3001 001576 QMO02 MOTOR 3101 001328 QMP01 MIAN PBA GH92 01773A QLC41 LCD GH07 00548A QME01 UNIT METAL DOME GH59 01456A QMI01 MICROPHONE ASSY GH30 00125A QCR05 SCREW 6001 001478 QAN05 MEC INTENA RUBBER GH75 05620A QRE01 REAR COVER GH75 04538A QCR04 SCREW MACHINE 6001 001479 QRE02 PMO REAR BUMPER GH72 16829A QRF01 ...

Страница 12: ...loded view and its Part list 3 2 This Document can not be used without Samsung s authorization 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00182A 3 2 Test Cable GH39 00127A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00143B 3 6 TA GH44 00284A ...

Страница 13: ...3 003304 U101 1204 001811 U502 1205 002433 U404 1209 001219 U203 1405 001082 ZD601 1405 001082 ZD602 1405 001082 ZD603 1405 001082 ZD604 1405 001082 ZD605 1405 001082 ZD606 1405 001082 ZD607 SEC CODE Design LOC 1405 001082 ZD608 1405 001082 ZD609 1405 001082 ZD610 1405 001082 ZD611 1405 001082 ZD612 1405 001082 ZD613 1405 001082 ZD614 1405 001082 ZD615 1405 001082 ZD616 1405 001082 ZD617 1405 0010...

Страница 14: ...21 2007 000690 R301 2007 000775 R505 2007 000775 R506 2007 001119 R517 2007 001217 R601 2007 001217 R602 2007 001217 R605 2007 001217 R606 2007 001217 R607 2007 001217 R608 SEC CODE Design LOC 2007 001217 R631 2007 001217 R632 2007 001217 R633 2007 001217 R634 2007 001217 R635 2007 001217 R636 2007 001292 R502 2007 001292 R503 2007 001319 R101 2007 001325 R507 2007 002797 R421 2007 003001 R422 200...

Страница 15: ...14 2203 000995 C434 2203 001072 C101 2203 001072 C102 2203 001072 C114 2203 001072 C215 2203 001072 C216 2203 001405 C507 2203 001598 C111 2203 001598 C112 2203 001598 C116 SEC CODE Design LOC 2203 001652 C113 2203 005061 C103 2203 005061 C106 2203 005061 C117 2203 005061 C119 2203 005061 C124 2203 005061 C213 2203 005061 C214 2203 005061 C217 2203 005061 C218 2203 005061 C222 2203 005061 C223 220...

Страница 16: ...257 C122 2203 006324 C104 2203 006324 C105 2404 001086 C511 2404 001239 C602 2404 001268 C123 2404 001281 C417 2404 001281 C433 2404 001305 C529 2404 001339 C509 2404 001348 C406 2703 002102 L401 2703 002201 L402 2703 002201 L405 2703 002624 L301 2703 002665 L403 2801 003747 OSC201 2809 001264 OSC401 2909 001236 U402 3705 001287 U401 3709 001335 CN101 3710 002017 CN601 4302 001130 BAT101 GH09 0002...

Страница 17: ...1 1 RF Solution Block Diagram GSM RX 869 984 MHz LN A PGA PGA ADC ADC VCT CXO OSC401 GSM TX 824 849MH z PCS TX 1850 1910 MHz Dua l PA M U403 Fr ont En d Mod ule U402 RF Connector U401 Si42 05 U404 RF PLL IF PLL PD LPF Mi x er Channel Fi lt er PGA PGA DAC DAC 10 0 kH z CSP 22 00 B1 U101 Bryce Park I Q I Q SDATA SCLK SENB PDNB LN A PCS RX 1960MHz ...

Страница 18: ...t notice Block Diagrams This Document can not be used without Samsung s authorization 5 2 2 Base Band Solution Block Diagram MEMORY NOR 64Mb Flash 16Mb PSRAM Keypad Without Volume Side key Melody 16 YMU759 RF I F Si4205 STN LCD 128 x 64 B W WINTEK ...

Страница 19: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 SGH N707 PCB Diagrams 6 1 1 Main PCB Top Diagram ...

Страница 20: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 6 2 This Document can not be used without Samsung s authorization 2 Main PCB Bottom Diagram ...

Страница 21: ...t is not Power On Voltage 3 3V Download again Charge the Battery pin J12 of U101 2 8V Check U101 and C112 pin A13 of U101 2 8V Check U101 and C115 Check the clock signal at pin R6 Freq 13MHz Check the clock generation circuit related to OSC401 END No Yes Yes Yes Yes Yes No No No No pin G11 1 8V No Yes Check the VBATT Voltage Check the pin of U101 Check the initial operation Check the current consu...

Страница 22: ...in J12 of U101 2 825V Initialization Failure Check the U101 If it has some problem adjust it END No Yes Is the pin K9 of U101 Low High Yes Check the U201 32 768kHz wave forms at the C220 and C221 Check the LCD Part Yes No Yes Yes The Voltage is High at the C112 Check the Audio Part No Check the U101 If it has some problem adjust it Check the U101 LCD display is O K No No Yes Yes Sound is O K No ...

Страница 23: ...AUXOUTN L13 AUXOUTP K13 D13 AUX_ADC3 CH_BDRV E11 CH_ISEN F12 CH_RES D14 E9 CREF K8 CSN_PSC R4 DAICK DAIDI L6 DAIDO K7 AB7 AB8 K5 ADC_AUX1 E10 ADC_AUX2 D15 D9 AFC AOUTAN N12 AOUTAP P11 AOUTBN P12 AOUTBP R12 AUXINN L14 AUXINP M15 CSP2200B1 U101 AB0 K6 P1 AB1 L5 AB2 N1 AB3 AB4 N2 M2 AB5 M1 AB6 R105 0 VR F 100 R113 VBAT C118 220NF 10K R110 0 R104 VBAT 100PF C110 C119 100NF 2 2UF C112 C120 1UF 6 3V 1 2...

Страница 24: ... without Samsung s authorization Flow Chart of Troubleshooting 7 4 3 SIM Part Are there any Signals at pin N9 R10 P10 of U101 Insert SIM is displayed on the LCD Check the U102 Check the SIM Card END No Yes Yes Yes No Check the U101 Are there any Signals at pin K12 K11 K14 J11 of CN101 ...

Страница 25: ...n not be used without Samsung s authorization 7 5 4 Charging Part The pin 17 18 of CN601 is TA_VEXT 5V Abnormal charging operation Replace TA or Check CN601 No END Yes The pin 7 of U107 3 3V Check the U107 No Yes No Solder again or change R107 Yes The ICHRG 1 4V during charging and 180mV full charging ...

Страница 26: ...D 2 D 6 D 4 VIB_EN MSPK MSPK AUDIO_OUT_SEL AOUTAN AOUTAP MICOUTP MICOUTN MICINP MICINN MELODY_VIB YMU_EN YMU_IRQ CP_OEN RST CP_WEN A 0 CLK13M_YM U D 0 D 1 D 3 D 5 D 7 MSPK MSPK C506 330NF 100NF C515 C521 R510 10K 330NF VBAT OBG 415L44 C33P MIC501 D501 RB520S 30 VCCD 33K R506 NC C528 33 R502 1UF VBAT 10V C523 C517 NC C520 NC 100K R511 TP502 NC R518 0 C527 VBAT R503 33 100PF C502 ZD501 RSB6 8S TE61 ...

Страница 27: ...ed without Samsung s authorization 7 7 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C529 2 5V Reassemble the microphone Solder the microphone again or Replace around Mic Circuit END No Yes Yes Yes Yes No Is microphone ok No Check U101 Check the reference voltage on Mic path ...

Страница 28: ...t Is the terminal of Speaker O K There is no sound from Speaker No Replace the Speaker The pin 4 of U501 is Low Check U502 The pin 4 of U501 is High Check U501 Are there any signals at the pin 5 and pin 7 of U501 END Yes Yes No The type of sound from the Speaker is Melody Yes No No No Yes Yes Yes Are there any signals at the pin 2 and pin 10 of U501 No Check U101 ...

Страница 29: ...D 2 D 6 D 4 VIB_EN MSPK MSPK AUDIO_OUT_SEL AOUTAN AOUTAP MICOUTP MICOUTN MICINP MICINN MELODY_VIB YMU_EN YMU_IRQ CP_OEN RST CP_WEN A 0 CLK13M_YM U D 0 D 1 D 3 D 5 D 7 MSPK MSPK C506 330NF 100NF C515 C521 R510 10K 330NF VBAT OBG 415L44 C33P MIC501 D501 RB520S 30 VCCD 33K R506 NC C528 33 R502 1UF VBAT 10V C523 C517 NC C520 NC 100K R511 TP502 NC R518 0 C527 VBAT R503 33 100PF C502 ZD501 RSB6 8S TE61 ...

Страница 30: ...nel U404 CHECK pin8 13MHz Vp p 860mV U402 CHECK pin 2 3 65dBm U404 CHECK pin 20 21 65dBm Check soldered status of R426 L402 C450 U401 resolder or change U402 resolder or change C408 L401 C409 resolder or change OSC401 CHECK clean 3V U404 CHECK pin 9 clean 3V U101 pin 39 check or resolder U404 pin 1 2 3 28 Vp p 100mV U404 resolder or change CHECK U101 NO YES NO NO NO NO NO NO NO YES YES YES YES YES...

Страница 31: ...n R402 U403 1 2V YES NO R402 check change C434 5dBm YES YES U403 change U101 check change YES NO U404 pin 32 3V U101 pin C4 change or resolder YES U404 pin 4 5 1 7V YES U101 change NO NO U404 change or resolder YES U404 pin 8 13MHz Vp p 950mV U404 pin 9 3V YES OSC401 pin 3 13MHz Vp p 950mV OSC401 change or resolder U101 check or change 0SC401 pin 4 3V U101 pin C4 change or resolder U101 change or ...

Страница 32: ...nnel U404 CHECK pin 8 13MHz Vp p 860mV U402 CHECK pin 4 5 65dBm U404 CHECK pin 16 17 65dBm Check soldered status of R426 L402 C450 U401 resolder or change U402 resolder or change C411 L403 C413 resolder or change OSC401 CHECK clean 3V U404 CHECK pin 9 clean 3V U101 pin 39 check or resolder U404 pin 1 2 3 28 Vp p 100mV U404 resolder or change CHECK U101 NO YES NO NO NO NO NO NO NO YES YES YES YES Y...

Страница 33: ...4 check change Between R402 U403 1 2V YES NO R402 check change NO C436 5dBm YES YES YES U101 check NO U404 pin 32 3V U101 pin 39 change or resolder YES U404 pin 4 5 1 7V U101 change NO NO U404 change or resolder YES U404 pin 8 13MHz Vp p 950mV U404 pin 9 3V YES YES OSC401 13MHz Vp p 950mV OSC401 change or resolder U101 check or change OSC401 pin 4 3V U101 pin 39 change or resolder U101 change or r...

Страница 34: ...M_I N TX_BAND_SEL AFC CLK13M_RF CLK13M_M C CLK13M_TR 13MHZ_SI CLK13M_YM U GSM_TX_OUT DCS_TX_OUT PCS_LNA_IN_P PCS_LNA_IN_N GSM_LNA_IN_N GSM_LNA_IN_P GSM_TX_EN DCS_TX_OUT TXPOWER R424 100 1 IN 2 OUT R422 12 U401 MS 156 02 G1 3 G2 4 100NF C422 10NF C443 6 3V 22UF C417 C431 100PF C402 100PF 6 3V C433 22UF 22PF C410 C430 100PF 33PF C436 VBAT C435 22PF VRF R421 L402 33nH R420 2 2K 560 10NF PCS RX 5 PCS ...

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