ELECTRONICS DUAL BAND Mobile Cellular Phone SGH-N628 SERVICE DUAL BAND Mobile Cellular Phone Manual CONTENTS 1. Exploded Views and Parts List 2. PCB Diagrams 3. Electrical Parts List 4. Block Diagrams 5.
ELECTRONICS Samsung Electronics Co.,Ltd. Printed in Korea 12/2001 Rev 1.
1. Exploded Views and Parts List 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 Main Main Parts List Travel Adapter Travel Adapter Parts List Battery Charger Test Jig 1-6-1 Test Jig normal EAR Microphone Data Kit 2. PCB Diagrams 2-1 2-2 Main Top Main Bottom 3. Electrical Parts List 3-1 3-2 Main Parts List Top Main Parts List Bottom 4. Block Diagrams 4-1 4-2 Main Base Band Main RF 4-2-1 RF Tx Part 4-2-2 RF Rx Part 5.
1.
1-2 Main Parts List NO DISCRIPTION 1 FRONT COVER ASS'Y WHITE GH75-01671B SEC CODE DARK BLUE GH75-01671A DARK SILVER Q’TY SVC REMARK GH75-01671C 1 2 SPEAKER 3001-001199 3001-001199 3001-001199 1 3 MIC ASS'Y GH59-00240B GH59-00240B GH59-00240B 1 4 KEY PAD(3X4) GH72-03705A GH72-03705A GH72-03705A 1 5 KEY PCB(3X4) GH59-00282A GH59-00282A GH59-00282A 1 6 COVER LCD GH73-00923A GH73-00923A GH73-00923A 1 7 KEY-VOLUME GH75-01490A GH75-01490A GH75-01490A 1 8 MAIN PBA GH
1-3 Travel Adapter A 1-4 Travel Adapter Parts List TYPE SEC CODE REMARK A GH44-00171 A CHINA 1-5 Battery Charger Battery Charger GH44-00281A TEST JIG GH80-10508A 1-6 Test Jig Exploded Views and Parts List 1-3
1-4 TEST JIG CABLE GH39-00079A RF JIG CABLE GH39-00094A DM CABLE GH39-00080A Exploded Views and Parts List
1-6-1 Test Jig DC POWER SUPPLY 8922 or 8960 WIRELESS COMMVNCATIONS TEST SET RF JIG CABLE TE ST JIG 232 CABLE TEST JIG CABLE 1-7 Normal EAR Microphone Wearable EAR Microphone GH59-00359A 1-8 Data Kit DATA KIT Exploded Views and Parts List GH39-00078A 1-5
2.
Q600 A1 R639 C626 U609 R610 R612 CN211 C651 R615 R607 R608 R609 C653 C624 R328 C643 C614 C608 C616 C611 L602 U610 C654 U630 V208 V207 V206 U636 V204 U626 C649 R613 R614 R611 R616 C655 R105 U111 C644 C641 C640 Q601 L621 R634 Q603 C698 C672 C658 Q602 R621 U629 C639 C623 L620 V505 C619 L607 L608 M100 C116 R300 R305 R302 R301 C108 D300 R107 C114 R303 C300 R304 R643 R638 C612 C604 C322 C601 L601 R637 C674 R102 C320 C321 C333 C127 C302 U304 C117 C306 C1
3. Electrical Parts List 3-1 Main Parts List Top NO Reference SEC Code Part Description Vendor Part No 1 C100 2404-001105 C-TA,CHIP;10UF/6.
NO Reference SEC Code 39 C502 2203-000679 C-CERAMIC,CHIP;C270J,27PF,50V GRP1555C1H270JZ01E 40 C503 2203-003054 C-CERAMIC,CHIP;C090C,9PF,50V GRP1555C1H9R0DZ01E 41 C504 2203-005503 C-CERAMIC,CHIP;C1801J,180PF,25V CL05C181JANC 42 C505 2203-000233 C-CERAMIC,CHIP;C101J,100PF,50V GRP1555C1H101JD01E 43 C506 2203-000233 C-CERAMIC,CHIP;C101J,100PF,50V GRP1555C1H101JD01E 44 C507 2203-000233 C-CERAMIC,CHIP;C101J,100PF,50V GRP1555C1H101JD01E 45 C508 2203-000233 C-CERAMIC,CHIP;C101J,1
NO Reference SEC Code Part Description Vendor Part No 81 C551 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E 82 C552 2203-000812 C-CERAMIC,CHIP;C330J,33PF,50V GRP1555C1H330JZ01E 83 C553 2404-001162 C-TA,CHIP;F950G476MAAJZTQ2 F950G476MAAJZTQ2 84 C560 2203-003054 C-CERAMIC,CHIP;C090C,9PF,50V GRP1555C1H9R0DZ01E 85 C561 2203-000386 C-CERAMIC,CHIP;C150J,15PF,50V GRP1555C1H150JZ01E 86 C617 2203-000679 C-CERAMIC,CHIP;C270J,27PF,50V GRP1555C1H270JZ01E 87 C633 2203-
NO Reference SEC Code 123 R215 2007-000140 R-CHIP;1K,5% RC1005J102CS 124 R217 2007-000162 R-CHIP;100K,5% RC1005J104CS 125 R400 2007-000148 R-CHIP;10K,5% RC1005J103CS 126 R401 2007-000162 R-CHIP;100K,5% RC1005J104CS 127 R402 2203-000714 C-CERAMIC,CHIP;C332K,3.
NO Reference SEC Code 165 R524 2007-000157 R-CHIP;47K,5% RC1005J473CS 166 R526 2007-000168 R-CHIP;470K,5% RC1005J474CS 167 R527 2007-002796 R-CHIP;510,5% MCR01MZSJ511 168 R528 2007-000162 R-CHIP;100K,5% RC1005J104CS 169 R529 2007-000157 R-CHIP;47K,5% RC1005J473CS 170 R530 2007-002796 R-CHIP;510,5% MCR01MZSJ511 171 R531 2007-000139 R-CHIP;220,5% RC1005J221CS 172 R532 2007-000141 R-CHIP;2.2K,5% RC1005J222CS 173 R533 2007-000141 R-CHIP;2.
NO Reference SEC Code 207 U430 1204-001811 IC;YMU759-QE2 YMU759-QE2 208 U501 1205-001881 IC-COMM. CONTROLLER;VP40575,BGA,1 VP40575 209 U502 1001-001145 IC;MAX4599EXT-T MAX4599EXT-T 210 U504 1103-001262 IC-EEPROM;24C512C1,512KBIT,LAP,8P AT24C512C1-10CI-2.
3-2 Main Parts List Bottom NO Reference SEC Code Part Description Vendor Part No 1 C105 2404-001105 C-TA,CHIP;10UF/6.3V TCSCS0J106MPAS 2 C106 2203-005061 C-CERAMIC,CHIP;C104Z,100NF,16V CL05F104ZONC 3 C107 2203-005065 C-CERAMIC,CHIP;C105Z,1UF,10V CL10F105ZONC 4 C108 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E 5 C109 2404-001105 C-TA,CHIP;10UF/6.
NO Reference SEC Code 43 C556 2203-000386 C-CERAMIC,CHIP;C150J,15PF,50V GRP1555C1H150JZ01E 44 C557 2203-003054 C-CERAMIC,CHIP;C090C,9PF,50V GRP1555C1H9R0DZ01E 45 C590 2203-005482 C-CERAMIC,CHIP;C104K,100NF,10V GRP155R61A104KA01E 46 C591 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E 47 C600 2203-000438 C-CERAMIC,CHIP;C102K,1NF,50V GRP155R71H102KA01E 48 C601 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E 49 C602 2203-000278 C-CERAMIC,CHIP;C100D,
NO Reference SEC Code Part Description Vendor Part No 85 C650 2203-000438 C-CERAMIC,CHIP;C102K,1NF,50V GRP155R71H102KA01E 86 C651 2203-000812 C-CERAMIC,CHIP;C330J,33PF,50V GRP1555C1H330JZ01E 87 C652 2203-002443 C-CERAMIC,CHIP;C331K,330PF,50V CL05B331KBNC 88 C653 2301-001197 C-CERAMIC,CHIP;390PF,16V ECHU1H391JX5 89 C654 2301-001213 C-CERAMIC,CHIP;6.
NO Reference SEC Code Part Description Vendor Part No 127 L618 2703-002207 INDUCTOR-SMD;CIH05T3N3SNC CIH05T3N3SNC 128 L620 2703-002268 INDUCTOR-SMD;CIH05T8N2JNC CIH05T8N2JNC 129 L622 2703-002198 INDUCTOR-SMD;10NH,5%,1.0X0.5X0.5M CIH05T10NJNC 130 L623 2703-002208 INDUCTOR-SMD;2.2NH,0.3NH,1.0X0.5X CIH05T2N2SNC 131 M100 4302-001119 BATTERY-LI(2ND);3V,0.1MAH,-,-,3.
NO Reference SEC Code Part Description Vendor Part No 169 R610 2007-000138 R-CHIP;100,5% RC1005J101CS 170 R611 2007-001290 R-CHIP;24,5% RC1005J240CS 171 R612 2007-001301 R-CHIP;68,5% RC1005J680CS 172 R613 2007-000139 R-CHIP;220,5% RC1005J221CS 173 R614 2007-000139 R-CHIP;220,5% RC1005J221CS 174 R615 2007-000138 R-CHIP;100,5% RC1005J101CS 175 R616 2007-000138 R-CHIP;100,5% RC1005J101CS 176 R621 2007-000174 R-CHIP;47,5% RC1005J470CS 177 R624 2007-000148 R-CHIP;1
NO Reference SEC Code 211 U607 4709-001214 COMP-SMD;DCS214E-0897 212 U608 1201-001821 IC-POWER AMP;08122,-,8P,-,DUAL,34 213 U609 4709-001213 COMP-SMD;DCS214E-1747 214 U610 2806-001259 OSCILLATOR-VCO;1748MHZ,-,-,TP,2.8 VOD1748C29KRA 215 U612 1209-001337 IC-PLL/SYNTHESISER;SI4133G-XM2R,L SI4133G-XM2R 216 U613 2809-001252 OSCILLATOR-VCTCXO;13MHZ,2.5PPM,10 KT16-KEU30L-13.000M-T 217 U634 2904-001328 FILTER-SAW;1.
4-1 LCD KEY_BOARD RTC_CLOCK (32.768KHz) EEPROM SRAM VIBRATOR YMU SYSTEM CLOCK (13MHz) SPEAKER MIC Charging Circuit Li-Ion Battery (Standard) ONE C Load S/W PLL AGC,AFC RF INTERFACE A/D Interface I/O Interface Serial Data Interface BB INTERFACE Vcc LDO AVcc LDO RTC VCC LED 3V3 XVCC 3VTXRX Charging Current Temperature Battery Voltage Battery Type SIM CARD 4.
Block Diagrams 1710 ~ 1785 MHz (CH 698 : 1747.4MHz) Ant. S/W (U602) Ant. S/W (U602) Dual SAW Filter (U604) APC IC (U611) Coupler (U609) Coupler (U607) LNA LNA VCTCXO 13MHz (U613) PLL2 PLL1 IF VCO 1080MHz RF VCO bias circuit Dual SAW filter U634 Dual Power AMP Module (U608) SI4133-MLP28 (U612) 880 ~ 915MHz (CH 62 : 902.4MHz) 925~960MHz (CH 62 : 947.4MHz) 1805~1880MHz (CH 698 : 1842.
4-3 e VC1 VC2 GSM(Tx) L H DCS(Tx) H L Rx L L 1710 ~ 1785 MHz 8 2 3VTXRx TXEN2 Ant.
Block Diagrams 3 1 Dual SAW Filter U604 5 7 1805 ~ 1880 MHz -52dBm 1 10 Frequency = 947.467 MHz Power = - 46 dBm - 46dBm @ 947.467 MHz - 50dBm @ 1842.467 MHz 8 Antenna S/W U602 -47dBm 925 ~ 960 MHz 10 6 1 3 -38dBm 8 -30dBmDual SAW Filter 4 VCTCXO 13MHz U613 2,3 PLL2 PLL1 -43dBm 5 AFCDAC IF VCO 1080MHz RF VCO Mixer 1 Mixer 1 23 -8dBm @ 540 MHz GSM : 1150 ~ 1185 MHz DCS : 1580 ~ 1655 MHz (Rx) 10 47 -9dBm @ 1172.4 MHz -9.5dBm @ 1617.
5. Flow chart of trouble shooting 5-1 Power ON 'POWER ON' does not work Yes Check the Battery Voltage is more than 3.4V No Charge the Battery Yes The node between D100 and M100 = 2.8V No Check U100 and the path from +VBATT to M100 Yes No U106 pin 2,3,4 > 3.
Flow chart of trouble shooting 5-2 S_BATT POWER +VBATT C110 100NF R103 100K C118 10NF R2 U106 FDC6329L C102 100PF 1 R100 47K VOUT U100 BYPASS ON/OFF GND VIN 4 5 R104 1K C113 100UF 6.3V C115 C116 100UF 1UF 6.3V LP2985AIM5-3.3 3 2 1 C129 10NF C127 1UF C114 10UF 6.3V R108 1K R107 1K C100 10UF 6.3V VIN VOUT VOUT U105 3 5 3 C128 10NF GND BYPASS 4 ON/OFF LP2985AIM5-3.0 2 1 VIN U102 5 C117 10NF GND BYPASS 4 ON/OFF LP2985AIM5-3.
5-2 Initial Initial Failure No U410 pin 4 = "H" ? Check and repair the important signals of U501 as follows Yes The node between R505 and C509 = "H" (RST) No Check U505 Yes No R509 = "H" (BOOT) Resolder R509 Yes Check all the other connection by Test S/W No R526 = "H" (MSIZE) Resolder R526 Yes Check the circuit around LCD No R528 = "L" (EXTPROC) Resolder R528 Check the circuit around U504(EEPROM) and data stored in it Replace PBA END 5-3 Flow chart of trouble shooting
Flow chart of trouble shooting 5-4 SIMPWDN_BOOT R505 VCC R509 U407 C509 GPIO3 SYSRST U108 DTR1 GPIO4 F C526 VCC F_WP SIM5V3V CSROM CS _ FL ASH 3 3 U41 1 U41 0 4 6 4 6 vccw Flash U402 Flash F_Vdd U40 1 VCC R400 F_WP
5-3 Charging Part Abnormal charging part Yes No Check the CN220 pin 1, 2 3.8V ? Replace TA Yes No Check the U303 pin 3 Resolder C200, V210, C316 3.8V ? Yes No U303 pin 4 = "L" ? Resolder R328 Yes No Check the U303 pin 5 1.
Flow chart of trouble shooting 5-6 L:ON,H:OFF CHG_ON DCVOLT C316 10UF 10V GND VCC 2 3 DRIVE PROG VSENSE 4 5 6 LTC1734ES6-4.2#TR ISENSE 1 U303 1 Q303 2SB1427-E-T100 2 3 R328 2.7K 1% C317 10UF 6.
5-4 Sim Part Phone can't access SIM card Yes No Check the circuit related to U102 U300 pin4,6 = 3V ? Yes No Replace the PBA U300 pin5 = "H" ? Yes No Replace U300 U300 pin2,3 = 3V ? Yes No Resoldering CN301 and check open connection from U300 to CN301 CN310 pin1,7 = 3V ? Yes After Power ON, Check SIMCLK Signal on CN310 pin 1 in a few second No Replace the PBA Yes After SIM card insert, CN310 pin 2 = "H"(SIMRST) ? No Replace the PBA Yes Check the circuit around U504 (Serial EEPROM) and data sto
Flow chart of trouble shooting 5-8 SIMALIM SIMPWDN_BOOT SIM_5V3V R332 750K R331 1M C333 100NF VCC C321 47NF 4 5 6 GND VOUT LTC1986ES6 C1- MODE C1+ VIN U304 3 2 1 C322 10UF 6.3V C320 NC SIMVCC R306 100K 6 5 4 V.C1-2 R2 FDG6323L R1,C1 ON/OFF V.C1-1 VIN,R1 U300 3 1 2 C302 NC SIMDATA SIMRST SIMCLK CN310 1 2 3 4 5 6 7 8 ID1AS1-6S-2.
5-5 Microphone Part Microphone does not work Yes Check the microphone contact state No Reassemble the MIC to Front Case Yes Check the circuit from MIC or C561 No Resolder the R525, R527, R530, R531 C553, C532 and C538 Yes No Check the Key PCB Replace the Key PCB Yes END 5-9 Flow chart of trouble shooting
Flow chart of trouble shooting 5-10 U501 VX 1N VX 1P V C C R527 R531 C538 C553 R530 R525 C532 C561 C560 MIC
5-6 Speaker Part Receiver does not work Yes Check the depression of the receiver pins No Modify the receiver pins Yes No Is receiver working? Replace the receiver Yes END 5-11 Flow chart of trouble shooting
5-7 Key Data Input Check Initial operation Yes Are the pin 1, 3, 5 and 7 of CN211 low? No Replace the PBA Yes When one of the keys is pushed, one of pin 1, 3, 5 and 7 of CN211 is high ? No Resolder pin 1, 3, 5 and 7 of CN211 Yes No Key PCB is OK ? Replace the Key PCB Yes END Flow chart of trouble shooting 5-12
ON_OFF +VBATT V203 VC040214X300 KEYBOARD_ROW(0) KEYBOARD_ROW(1) KEYBOARD_ROW(2) KEYBOARD_ROW(3) CN211 1 2 3 4 5 6 8 7 10 9 11 12 13 14 2 KEYBOARD_COL(4) 4 KEYBOARD_COL(3) 6 KEYBOARD_COL(2) 8 KEYBOARD_COL(1) 10 KEYBOARD_COL(0) 12 14 AXK6F14335J 1 3 5 7 9 11 13 V204 VC040214X300 KEYBOARD_ROW(0:4) U636 VC040214X300 5-13 Flow chart of trouble shooting V208 VC040214X300 V207 VC040214X300 V206 VC040214X300 V202 VC040214X300 V201 VC040214X300 V200 VC040214X300 B_LIGHT KEYBOARD_COL(0:4)
5-8 Ring Indicator Ring Indicator LED does not work No GPO2 by Test S/W Q200, Q202, Q203 pin 2 = "H" ? Yes No Between LED201 and R210, R211, R212 = "L" ? Replace LED201 Yes No Check the LED Resolder Q200, Q202, Q203 R210, R211, R212 Yes END Flow chart of trouble shooting 5-14
5-15 Flow chart of trouble shooting RI_BLUE RI_GREEN RI_RED Q200 DTC114YE 2 Q202 DTC114YE 2 Q203 DTC114YE2 1 3 1 3 1 3 100,5% R210 68ohm,5% R211 220,5% R212 4 3 2 1 LED201 HL500 LED_3V3
5-9 Back Light Backlight does not work No Backlight "ON" mode in the menu? Select backlight "ON" mode Yes No Between R215 and R217 = "H"? LCD BACKLIGHT CN200 Pin 35, 36, 39, 40 GPO1 by test S/W Yes KEY PCB LED No 3.
5-17 Flow chart of trouble shooting BACKLIGHT R217 100K R215 1K 2 Q201 MMBT2222AWT1 1 3 B_LIGHT
5-10 Melody Part Melody is not work ing YES U430 Pin 7 is H ? Check the circuit contain ing U102 YES Check U430 Pin 1 Check the U41 3, U613 Wor king? YES U430 Pin 15 = H ? Check the R441, U106 YES U430 Pin 14 is wor kin g well ? Check the R645, R440, C437 C434, R438, R439, C440 YES CH3, L_spkL_spk+ wor king? Change the U430 YES Change the speak er YES END Flow chart of trouble shooting 5-18
TSX-8A OSC401 MC_PDN C451 27PF 1 2 HOT GND1 4 3 GND2 HOT C450 39PF R401 100K R409 100K VCC 4 VIN,R1 V.C1-2 R422 1M R1,C1 R2 ON/OFF V.C1-1 R423 680 6 5 U635 FDG6323L 3 2 1 1 2 3 VCC INA2 OUTY2 GND INA1 OUTY1 U413 NL27WZ04 4 5 6 C405 NC C430 1NF M_RESET M_IRQ M_LED C499 3.3NF C409 330PF C431 100NF R432 3.3K R403 R404 100K 100K C432 4.7UF 6.
5-11 GSM Receiver Rx On RF input : CH center freq. + 67.7 kHz Amp.
5-12 GSM Transmit Tx On (level : 5) U602 Pin 8 Yes Resolder U600 No U602 Check VC1 : L VC2 : H Yes Pin 5 No No U607 Pin 4 Yes Yes Change or Resolder U602 Check Ant.
5-13 DCS Receiver Rx On RF input : CH center freq. + 67.7 kHz Amp.
5-14 DCS Transmit Tx On (level : 0) U602 Pin 8 Yes Resolder U600 No U602 Check VC1 : H VC2 : L Yes Pin 3 No No U609 Pin 4 Yes Yes Change or Resolder U602 Check Ant. S/W, Control Circuit Resolder U609, C611 No U608 Check U608 : +VBATT Pin 2 (APC) OK? Yes Pin 8 No U610 Pin 5 Yes No Yes Resolder or Change U608 Check +VBATT or APC Control Resolder or Change C626, R611, R613, R614 No U610 No Resolder U610 No Resolder U605, U612 Pin 9 = 0.5~2.
VC1 VC2 R625 68 ANTCONTACT 2 4 IN GND 2 4 C668 47PF R641 10K 6 POUTGSM IN2- 2 3 5 1 4 6 Q602 RN4985-TE85L NC 1 3 2 G1 3 IN2 L604 33nH 6 C641 10UF 6.3V DACIN NC C652 330PF 7 DCS 8 VAPC 2 NC VCC2 1 3 Q603 DTC114YE 2 C672 1NF C666 1NF MODESW C617 27PF C609 27PF R620 NC RFLO R629 10K,1% R623 22K,1% C659 100PF R618 10K,1% 3VTXRX AGC_EN SCLK SDATA BANDSEL Q600 RN4985-TE85L 4 3 E2 C2 2 5 B1 B2 1 6 C1 E1 C667 27PF C656 NC VC2 +VBATT VC2 VC1 C644 220uF/6.
