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Samsung SGH V205 Service Manual Download Page 23

SAMSUNG Proprietary-Contents may change without notice

SGH-V205 Flow Chart of Troubleshooting and Circuit Diagrams

6-

5

5. Microphone Part

Is the ass embled status of

microphone O.K?

Microphone does not work

C432

ㆃ

2.0V

Reassemble the microphone

Solder the microphone again or

Replace C409,C400,R405,R402,R407,R409

END

No

Yes

Yes

Yes

Yes

No

Is microphone ok?

No

Check U700

Check the reference voltage on mic path

Summary of Contents for SGH V205

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

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd December 2002 Printed in Korea Code No GH68 03418A BASIC ⓒ ...

Page 3: ...ing 45MHz 45MHz 95M Hz 80MHz Mod B it rate Bi t Pe riod 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us T ime Slot Period Frame Pe riod 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modula tion 0 3GMSK 0 3GMSK 0 3GM SK 0 3GMSK MS Power 33dB m 13dBm 33dBm 5dBm 30dBm 0dB m 30dBm 0dBm Powe r C lass 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensi tiv...

Page 4: ...Bm 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 dBm 10 10 4 dBm 11 8 4dBm 12 6 ...

Page 5: ...SUNG Proprietary Contents may change without notice 2 SGH V205 Exploded View and its Parts list 2 1 1 Cellular phone Exploded View 28 1 2 3 4 5 6 7 8 9 16 11 10 17 15 14 13 12 18 19 20 21 22 24 23 25 26 27 ...

Page 6: ...P GH73 01052A 9 WINDOW LCD GH72 05929A 10 CAMERA KNOB GH72 03941A 11 CAMERA FPCB GH59 00649A 12 CAMERA SIDE KEY GH71 00719A 13 CAMERA PIECE GH72 03940A 14 CAMERA KNOB SUS GH71 00718A 15 SCREW 6001 001611 16 FRONT COVER GH75 02353A 17 VOLUME KEY GH75 02358A 18 KEYPAD GH75 02356A 19 DOME SHEET GH59 00629A 20 MAIN PBA GH92 01301A 21 MIC GH59 00626A 22 CONNECTOR COVER GH73 01069A 23 ANTENNA GH42 00248...

Page 7: ... change without notice SGH V205 Exploded view and its Part list 2 3 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 00184G ...

Page 8: ...1 LED CHIP BLUE 1 1X0 8MM 468NM 1 0601 001547 LED813 LED814 LED815 LED CHIP BLUE 1 1X0 8MM 468NM 1 0601 001547 LED816 LED817 LED818 LED CHIP BLUE 1 1X0 8MM 468NM 1 0601 001547 LED819 LED820 LED821 LED CHIP BLUE 1 1X0 8MM 468NM 1 0604 001146 LED200 PHOTO IRDA 875NM 500MW 30DEG TP 1 0801 000796 U1105 U1108 U1109 7S32 ORGATE SOT 353 5P 63MIL SINGLE TP 1 0801 002212 U1110 7S02 NORGATE SC 70 5P 49MIL S...

Page 9: ... 1 16W DA TP 1005 1 2007 000157 R300 R301 R602 R600 R CHIP 47Kohm 5 1 16W DA TP 1005 1 2007 000159 R405 R408 R422 R CHIP 56Kohm 5 1 16W DA TP 1005 1 2007 000162 R500 R1008 R CHIP 100Kohm 5 1 16W DA TP 1005 1 2007 000162 R607 R415 R CHIP 100Kohm 5 1 16W DA TP 1005 1 2007 000167 R108 R CHIP 390Kohm 5 1 16W DA TP 1005 1 2007 000170 R1103 R601 R CHIP 1Mohm 5 1 16W DA TP 1005 1 2007 000172 R800 R606 R5...

Page 10: ...3 C917 C918 C919 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 1 2203 000233 C615 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 1 2203 000585 C407 C1137 C CERAMIC CHIP 220pF 5 50V NP0 TP 100 1 2203 000254 C1100 C1102 C1105 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 1 2203 000254 C1108 C1123 C1126 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 1 2203 000254 C1127 C1128 C1129 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 1 2203 000...

Page 11: ...203 000812 C227 C229 C230 C231 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 10 1 2203 000812 C209 C701 C702 C422 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 10 1 2203 000812 C210 C221 C225 C228 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 10 1 2203 000233 C234 C235 C236 C237 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 1 2203 000233 C238 C239 C240 C241 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 1 2203 000233 C242 C113 C806 C CERAMIC...

Page 12: ... 001100 C1106 C TA CHIP 33uF 20 6 3V GP TP 3719 1 2404 001134 C1013 C TA CHIP 100UF 20 6 3V LZ TP 4028 1 2404 001100 C1134 C TA CHIP 33UF 20 6 3V LZ TP 3719 1 2404 001105 C125 C TA CHIP 10UF 20 6 3V GP TP 2012 1 2404 001268 C126 C404 C TA CHIP 10UF 20 10V TP 1 2404 001151 C409 C1107 C TA CHIP 33UF 20 6 3V LZ TP 3216 1 2703 001751 L900 INDUCTOR SMD 3 9nH 0 3nH 1 0x0 5x0 5mm 1 2703 001737 C1001 INDU...

Page 13: ... Parts List 3 6 1 1205 002268 U901 IC TRANSCEIVER SI4200 BM MLP 32P 5X5MM 1 NEW ETC0001 U1005 IC FEM LMSP 0021TEMP 1 NEW ETC0002 L1001 INDUCTOR SMD 30nH 2 1 6x0 8x0 8mm 1 NEW ETC0003 L1006 INDUCTOR SMD 7 5nH 2 1x0 5x0 5mm 1 NEW ETC0004 L1002 INDUCTOR SMD 8 2nH 2 1 0X0 5X0 5MM ...

Page 14: ...SAMSUNG Proprietary Contents may change without notice 3 7 SGH V205 Electrical Parts List M ME EM MO O ...

Page 15: ...I4133T 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 16: ...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 Camera Asic CCD Y 0 7 UV 0 7 PCLK...

Page 17: ... C608 C609 C610 C611 C612 C613 C614 C616 C617 C700 C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C800 C801 C805 C806 C807 C808 C809 C903 C904 C905 C906 C907 C908 C909 C910 C911 C912 C913 C914 C915 C916 C917 C918 C919 C920 CN100 CN1001 CN1101 CN201 CN300 CN401 D1101 D1102 D1103 F1003 G1 G2 G3 G4 G7 G8 L1000 L1001 L1002 L1003 L1004 L1006 L900 LED200 M101 MAIN_MIC OS...

Page 18: ...615 C811 CLEAR DOWN END_PWR F1 F2 G6 HZREF I LED801 LED802 LED803 LED804 LED805 LED806 LED807 LED808 LED809 LED810 LED811 LED813 LED814 LED815 LED816 LED817 LED818 LED819 LED820 LED821 LEFT MCKI PCLK R200 R307 R503 R603 R604 R605 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R818 R819 R820 R821 R822 R823 R824 R825 R826 RIGHT SEND SH T TP200 TP201 TP202 TP203 TP204 TP205 TP206 TP207 TP208 ...

Page 19: ...d again Charge the Battery pin 15 2 8V Check U100 and C113 pin 46 and pin 39 2 8V Check U100 and C112 Freq 13MHz Vrms 300mV and Vpp ㆃ 900mVpp Check the clock generation circuit related to U703 and U704 END No Yes Yes Yes Yes Yes No No No No pin 13 1 8V No Yes Check the V bat Voltage Check the pin of U100 Check the clock signal at pin 4 of U704 Check the initial operation Check the current consumpt...

Page 20: ... it has some problem it has to be replaced END No Yes Is the pin 28 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 C114 C116 C117 Check the Audio Part No Check the U100 If it has some problem it has to be replaced Check the U700 The pin 22 of U100 is High Check the U100 LCD display is O K No...

Page 21: ...205 Flow Chart of Troubleshooting and Circuit Diagrams 6 3 3 Sim Part Is there any Signals pin 64 65 66 of CN100 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 61 62 63 of CN100 ...

Page 22: ...he pin 17 18 of CN300 is TA_VEXT ㆃ 5V Abnormal charging operation The pin 2 of U101 is low Replace TA or Check CN300 Check the U101 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 R111 Yes ...

Page 23: ...it Diagrams 6 5 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C432 ㆃ 2 0V Reassemble the microphone Solder the microphone again or Replace C409 C400 R405 R402 R407 R409 END No Yes Yes Yes Yes No Is microphone ok No Check U700 Check the reference voltage on mic path ...

Page 24: ...from Speaker Are there any signals at the C221 C228 Check LCD or Replace CN201 Check U401 Is there any signals at the pin 5 and pin 7 of U400 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 Low 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 High No Check U700 ...

Page 25: ...nge U1005 resolder or change C1003 C1004 L1001 resolder or change U100pin39 C116 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 C808 R805 resolder OSC801 change or resolder U100pin46 C114 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 ...

Page 26: ...e NO U700 check U700 YES NO U901 pin14 23 26 32 2 8V U100pin46 C114 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 pin39 C116 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 or resolder U700 chec...

Page 27: ...1005 resolder or change C1005 C1006 L1002 resolder or change U100pin39 C116 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 R805 C808 change or resolder OSC801 change or resolder U100pin46 C114 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 ...

Page 28: ...U1005 resolder or change C1017 F1003 resolder or change C1009 C1010 L1006 resolder or change U100pin39 C116 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 C808 resolder OSC801 change or resolder U100pin46 C114 check or resolder U901 pin3 4 Vp p 240mV U900 CHECK pin6 20 2 8V U900 resolder or change U901 p...

Page 29: ...e or resolder NO U700 check YES U700 check NO U901 pin14 23 26 32 2 8V U100 pin46 C114 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 pin39 C116 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 or...

Page 30: ...SAMSUNG Proprietary Contents may change without notice 6 12 SGH V205 Flow Chart of Troubleshooting and Circuit Diagrams M ME EM MO O ...

Page 31: ...SET_I _RESET_O 28 VL5S_ A 38 37 VL5S_B 49 VLDO_ 6 13 VLDO_ 1 15 VLDO_ 2 VLDO_ 3 46 44 VLDO_ 4 39 VDD6 48 53 VDD7 58 VDDCP VDDQ 5 VEXT 4 8 VIB_DRV 43 VL4S_ A VL4S_B 42 UC_CL K UC_I O 64 UC_RST 66 7 VACC VBAT 6 VDD12 14 47 VDD3 VDD4 45 VDD5 40 9 RING_DRV RING_PWM 19 SCLK 17 SD I 16 62 SIM_CL K SIM_I O 63 SIM_RS T 61 65 GNDA 56 GNDCP GNDD1 10 41 GNDQ 11 LED_DRV 30 PSW1BUF PSW2BUF 31 32 PWR_KEEP PWR_S...

Page 32: ...5 6 6 7 7 8 8 25 25 26 26 27 27 28 28 29 29 3 3 30 30 31 31 32 18 19 19 2 2 20 20 21 21 22 22 23 23 24 24 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 CN201 1 1 10 33PF C214 C222 1NF C240 C242 100PF 100PF 100PF C241 33PF C216 C238 100PF 100PF C234 C235 100PF TP200 C213 33PF 33PF C215 33PF 33PF C224 C208 VBAT C231 33PF 33PF C210 C209 33PF 1UF C233 VCC D 33PF C223 33PF C228 1NF 1NF C243 C202 VBAT...

Page 33: ...Address City E 11 3 SGH V205 A3 VTES T GND DEBUG_RT S DEBUG_CT S 8 DLC_DETEC T 56 5 DOC CTRL CH K MFG ENGR CH K COMPANY NAME I F CONNECTOR 1 VEX T GND GND B C D of Size DEBUG_RX D 2 JD Yang JD Yang 3 10 28 pm 2002 10 21 user8 14 R3021 K 18 C300 100NF 47K R300 VCC D ZD302 ZD301 1 2 3 4 5 17 ZD300 1 2 3 4 5 15 16 10 6 8 9 7 ZD30 5 ZD307 ZD304 47K VCCD ZD303 R304 R301 21 1K 19 20 ZD308 22 13 VBAT 11 ...

Page 34: ...421 R408 56K C401 270PF 220PF C40 7 150K 18K R403 R423 33PF C430 R426 0 C432 VCCA C414 1NF C411 1NF C412 100NF MAIN_MI C R40 6 33K R404 33K 100NF C408 R407 2 2K VCCD R420 2 2K 100NF C417 R415 VCC D 12 100K Q400 2 3 1 R401 NC C423 150PF C406 R425 10K C405 4 7N F 100NF C402 ZD40 3 C409 33UF R402 10K C403 22NF RD 31 RST 4 28 WR R412 3 3K SPOUT 2 18 15 SPVD D SPVSS 16 7 VD D 9 VREF VSS 8 CS 29 3 IRQ H...

Page 35: ...S CE2 D9 S VC C S _CE 1 G10 F3 S _LB F5 S _OE S _UB 1 NC NC 2 NC A2 H1 NC NC H2 H3 NC A10 NC NC A11 E3 F _WP H7 F1 _CE F2 _CE H10 H8 GN D GN D A9 D3 GN D A1 NC NC H12 G4 F A21 C5 F RY _BY C4 D10 F VC C F VP P E4 H9 F _OE F _RS T D4 C3 F _WE E9 DQ2 DQ3 E10 C9 DQ4 DQ5 C10 C8 DQ6 DQ7 B10 F8 DQ8 DQ9 F7 F A17 F9 DQ0 DQ1 F10 E8 DQ10 DQ11 E6 D7 DQ12 DQ13 C7 B9 DQ14 DQ15 B7 A3 A3 G7 H5 A4 A5 H4 G6 A6 A7 G...

Page 36: ...11 XAG0 XAG1 A11 XAG2 E11 D11 XAG3 XBSW N B7 VSS F 6 VSS VSS G9 G1 0 VSS VSS H7 VSS H1 1 J7 VSS K 6 VSS E10 VSS K 7 VSS L6 L10 VSS VSS M7 L8 VSS J11 VSS VSS L9 A 3 U15 VDDE VDDE U16 N1 6 VDDE VDDE E16 E17 VDDE VDD_DPLL G1 6 VRTC D8 VSS A 2 A 5 VD D VD D C16 VDDA C11 B 1 VDDE VDDE B14 VDDE M1 U2 VDDE VDDE P 8 VD D E 2 L17 VD D G1 VD D VD D R1 R4 VD D VD D T13 R16 VD D VD D R17 2 NC RSTB C12 RW N U5...

Page 37: ...GNDA GNDB K11 F1 0 GNDC GNDD L10 IO K2 MC K7 MICI N DB15 B1 J5 DB2 DB3 J1 H3 DB4 DB5 G3 F5 DB6 DB7 G2 F2 DB8 D10 DAIRN J2 DB0 DB1 H2 D2 DB10 DB11 D4 E1 DB12 DB13 E4 C2 DB14 E14 AOUTBN AOUTB P D13 A14 AUXI N B14 AUXOUT L5 CINTR DAICK B10 B9 DAIDI B8 DAIDO P1 N1 AB5 AB6 M2 L2 AB7 AB8 K1 G12 AF C G13 AOUTAN F1 3 AOUTAP U700 AB0 P5 N4 AB1 AB2 N3 P2 AB3 AB4 33PF C702 33PF C701 TP711 TP710 10NF C713 10N...

Page 38: ... R806 R823 150 KEYPAD 5PH I 12 150 R822 KEYPAD 5PHI UP 12 3 150 LED803 2 DOWN KEYPAD 5PHI 12 R811 RIGHT KEYPAD 5PHI 12 KEYPAD 5PHI F2 1 LED816 KEYPAD 5PH I SH 12 LED815 KEYPAD 5PHI 2 12 18PF 10NF C809 C801 45 12 10NF C807 LED802 VOL_U P 3 1 LED801 U802 3 GND OUT 2 VCC LED814 150 R812 LED813 R807 150 KEYPAD 5PH I 12 KEYPAD 5PHI 12 10NF C805 34 5 12 0 VCC D VOL_D N LED809 LED811 LED810 VT VBAT R802 ...

Page 39: ... 25 8 NC 14 NC PDNB 9 RFLA 20 19 RFLB 17 RFLC 16 RFLD RFLO N 23 GND 21 22 GND GND 29 30 GND IFLA 3 2 IFLB 26 IFLO N IFLO P 27 GND 1 GND 31 32 GND 4 GND 6 GND GND 15 GND 18 14 VDD2 32 VDD3 26 VDD4 U902 RFLO N 12 RFLO P 24 RFOD RFO G 25 TXIN 6 TXIP 5 8 TXQN TXQP 7 VDD1 23 L2 PDNB 31 20 RFID N RFID P 19 22 RFIG N RFIG P 21 18 RFIP N RFIP P 17 13 GND 35 GND 36 GND IFLO N 10 9 IFLO P 1 ION IOP 2 L1 29 ...

Page 40: ... 75PF 47PF C1000 L1006 7 5NH C1012 R1008 33PF 3 3nH L1003 100K 1 NC L1000 L1004 18nH 1NF C1014 C1008 1P F G 16 6 PCSRX 11 VC1 VC2 9 5 VC3 4 DCS PCSTX 8 1 EGSMRX EGSMRX 2 10 EGSMTX G 71 2 GG 14 15 G U1005 ANT 13 3 DCSRX DCSRX L1002 C1006 0 75PF C1001 8 2nH 300 2 7nH 18 R1004 R1007 6 OUT 2 300 R1006 F1003 1 G1 G2 35 G3 IN 2 OUT 1 4 VPAC 300 R1003 R1000 18 R1002 300 0 75PF C1010 VCC2 12 VRAM P 6 5 VR...

Page 41: ...GND 3 VC C 5 Y 4 100NF C1125 U1108 A 100NF C1120 100NF C1114 PCL K C1141 680PF C1142 R1111 100 1 R1112 680PF 100 1 Y 4 VCCD C1140 680PF U1105 TC7S32FU A 2 B 1 GND 3 VCC 5 VCC_1 8A R1109 100 1 0 220PF C1137 R1106 680PF VCCD VCCD VCCD C1139 100NF C1104 VCCD 10NF C1127 C1121 100NF H8 Y7 YIN C3 YOUT A2 D1 VSSVA VSSVCO K9 H6 Y0 J7 Y1 Y2 K7 H7 Y3 Y4 G7 K8 Y5 Y6 J8 J1 VSS D J5 VSS D J6 VSS D D9 VSS V VSS...

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