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SGH-E720 Exploded View and Parts List

3-

3

This Document can not be used without Samsung's authorization

3-3-1. RF Test Cable

(GH39-00283A)

3-3-2. Test Cable

(GH39-00304A)

3-3. Test Jig
(GH80-03307A)

3-3-3. Serial Cable

3-3-4. Power Supply Cable

3-3-5. DATA CABLE

(GH39-00279A)

3-3-6. TC

(GH44-00701A)

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Содержание SGH-E720

Страница 1: ...GSM TELEPHONE SGH E720 GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 PCB Diagrams 6 Block Diagrams ...

Страница 2: ...30 1990 ARFCN range 1 124 0 124 975 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 Clas...

Страница 3: ...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 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 4 dBm 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 ...

Страница 4: ...ck the current consumption Current consumption 100mA Check the V bat voltage Down load again Voltage 3 3V Check the pins of U401 C415 1 8V Check the Initial operation END C418 and C419 2 8V Charge the Battery Check the clock generation circuit OSC101 F100 pin 4 Check the clock signal at pin 3 of OSC101 Freq 13MHz Vrms 300mV Check U401 and C420 Check U401 and C415 NO NO NO NO NO NO YES YES YES YES ...

Страница 5: ...3 J4 J8 KEYBRD4 KEYBRD5 H6 H4 KEYBRD6 KEYBRD7 H1 KEYBRD8 H3 G6 KEYBRD9 1 NC1 2 NC2 G16 OSC32OUT PIO00_IRQ5 IOBIT0_PIO05 V12 N11 IOBIT1_PIO06 IRQ1 M16 M19 IRQ2 IRQ3 P17 IRQ4 P18 J7 KEYBRD0 KEYBRD1 J6 KEYBRD10 G4 KEYBRD11_PSW1_BUF H2 KEYBRD2 D_D2 D_D3 T7 R8 D_D4 V8 D_D5 U8 D_D6 D_D7 T8 T9 D_D8 D_D9 R9 FLASHRSTN H14 T15 INT0 IO W6 D_A6 N6 D_A7 R6 D_A8 D_D0 U6 D_D1 T6 P8 D_D10 P9 D_D11 N8 D_D12 N9 D_D...

Страница 6: ...e The voltage at the ZD405 Low High There is 32 768KHz wave form at the C216 C217 The voltage on R412 is Low High The voltage is 2 8V at the C416 C418 C419 LCD Display OK Sound operation OK END Check the U201 Check the U201 Check the U401 Check the LCD part Check the Audio part YES NO NO NO NO YES YES YES YES YES NO NO NO YES Check the U401 If it has some problem it has to be replaced Check the U4...

Страница 7: ...C F14 VBAT E13 VDD1 J3 VDD12 J13 D6 RXTXIP D7 RXTXQN C6 RXTXQP C7 SCLK_PSC L8 M7 SDI_PSC SDO_PSC N7 SERCK C2 C1 SERDA B1 SERLE1 SERLE2 A2 SIM_CLK PWR_SW1N C15 PWR_SW2 C14 RAREF1 B6 RAREF2 B5 R3 RESETN_CSP RESET_O K9 RING_DRV F13 RTC_ALMN H10 RTC_CLK N4 RWN L2 RXTXIN P5 OCTL0 E6 C5 OCTL1 OCTL2 F5 E5 OCTL3 OCTL4 A4 G6 OCTL5 OCTL6 B3 A3 OCTL7 PSW1_BUF L7 PWR_KEEP M9 I O LED1_DRV G13 LED2_DRV G12 MC R...

Страница 8: ...oubleshooting 2 5 This Document can not be used without Samsung s authorization 2 1 3 Sim Part The voltage is 2 8V at the pin 1 of CN401 Check the U401 Insert SIM is displayed on the LCD END Check the SIM Card YES NO NO YES Is there any signal pin 2 3 4 of CN401 Check the U401 U201 ...

Страница 9: ...ut Samsung s authorization 2 1 4 Microphone Part Micro phone does not work Is the assembled status of Microphone O K YES Reassemble the microphone NO Check the DC bias voltage on Mic path The voltage of C437 is about 2 2V 10 NO Solder the microphone again or Replace C437 C438 R428 R430 R433 Is microphone OK NO Check U401 END YES YES ...

Страница 10: ... C453 GND NC 21 22 NC 14 V VBAT C441 C436 VCCD R423 C452 C446 VCCD_1_8 VCCD_1_8 3 3V_SW_AK C462 R464 G 13 14 G G 15 16 G 17 G G1 8 R429 C411 C437 R471 R436 V401 C449 C425 C448 MIC400 3 3V_SW_AK U403 3 3 CN400 1 1 10 10 22 R458 C444 C430 R453 C467 3S2 11 4S1 13 4S2 D1 16 4 D2 D3 8 D4 12 6 GND 17 2 1 2IN 15 1S1 1 1S2 2S1 3 5 2S2 3 4IN 10 3S1 7 9 C474 1UF 44 5 5 66 7 7 88 9 9 11 G 12 G C434 C472 19 M...

Страница 11: ... any signal at the pin 40 42 of CN507 NO Check the LCD module Replace CN507 There is no sound from speaker YES YES The type of sound from the speaker is Melody YES NO Are there any signal at the pin 1 5 of U403 Are there any signal at the pin 3 15 of U403 Check U402 U401 U201 NO NO Pin 2 of U403 is Low Pin 2 of U403 is High Check U403 NO NO YES YES YES YES END Pin 14 of U403 is 3 3V YES Pin 3 of U...

Страница 12: ...ion does not work Check the connect CN507 NO Connect the CN507 Pin 4 of U306 1 8V NO NO Pin 3 of OSC300 is 24 5MHz NO Pin 10 of U302 2 5V Check U201 END YES YES YES YES Is that clock signal at the pin 30 of CN507 NO Pin 2 of U302 High YES Check the U306 R376 Check U201 NO NO Pin 56 of CN507 is High Check U300 Replace OSC200 YES Check Q301 Pin 3 of Q301 1 8V NO YES Pin 1 of Q301 Low NO YES ...

Страница 13: ... VDDC D6 VDDI VDDI F6 VDDICD H1 XIN2 B10 A10 XOUT2 3 NC 5 4 OUT C362 U306 6 BYP EN 1 2 GND GND 7 IN B3 SVDDI E3 T_MODE0 K10 USB_DM G2 G1 USB_DP UVDDI G4 VDDAC K9 D5 VDDC E5 E10 M_SD8 E9 E7 M_SD9 M_WR_N A7 2 NC NC 1 A9 PGND B9 PVDD STROBE M_SD13 M_SD14 D8 C10 M_SD15 M_SD2 G8 F10 M_SD3 M_SD4 F9 F8 M_SD5 F7 M_SD6 M_SD7 B7 C9 M_SA0 M_SA1 C8 M_SD0 G10 G9 M_SD1 E8 M_SD10 D10 M_SD11 D9 M_SD12 D7 K7 L_WR_...

Страница 14: ... There is no MP3 sound from Earphone YES YES Are there any signal at the R350 351 NO The voltage of C334 is 3 3V NO YES YES END Check the U301 Are there any signal at the pin 4 6 of CN400 Are there any signal at the pin 9 13 of U403 NO YES Pin 10 of U403 is Low NO YES Pin 14 of U403 is 3 3V YES Pin 3 of U303 is High NO YES Check U201 Check U403 Check U303 END NO Check U401 Check R350 351 The volta...

Страница 15: ...D 2 CAM_D 3 CAM_D 4 CAM_D 5 CAM_D 6 CAM_D 7 LCD_AD_ 15 LCD_AD_ 14 LED317 AOT 0603P W03 X 58 58 59 59 6 6 60 60 7 78 8 9 9 F503 5 10 GND GND AOT 0603P W03 X LED316 C517 R356 R357 LED318 AOT 0603P W03 X 3 IN3 4 IN4 9 OUT1 8 OUT2 7 OUT3 OUT4 6 358 GND 10 5 GND F500 IN4 OUT1 9 8 OUT2 OUT3 7 6 OUT4 F502 GND 51 0 GND IN1 1 2 IN2 IN3 3 4 F504 5 GNDG ND 10 1 IN1 2 IN2 GND 5 10 GND IN1 1 2 IN2 IN3 3 IN4 4 ...

Страница 16: ...red status of R114 115 C152 109 L145 CN100 C108 L103 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 8V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change or resold...

Страница 17: ...ck soldered status of R114 115 C152 109 L145 CN100 C108 L103 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 8V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change o...

Страница 18: ...14 115 C152 109 L145 CN100 C108 L103 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 8V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change or resolder YES YES YES N...

Страница 19: ...igh U401 Check Change NO C108 CN100 L103 Check Change YES U106 Check Change YES Check the Battery Block Level of U101 Pin 20 is 1 2V Check U401 TXP OK U401 Check Change YES YES NO NO NO NO U101 pin 11 About 5 dBm U101 pin 18 High Check U401 YES NO YES U103 Check Pin 9 32 2 8V U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V NO YES NO NO NO R112 C132 resol...

Страница 20: ...High U401 Check Change NO C108 CN100 L103 Check Change YES U106 Check Change YES Check the Battery Block Level of U101 Pin 20 is 1 2V Check U401 TXP OK U401 Check Change YES YES NO NO NO NO U101 pin 15 About 5 dBm U101 pin 18 High Check U401 YES NO YES U103 Check Pin 9 32 2 8V U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V NO YES NO NO NO R112 C132 reso...

Страница 21: ...01 1 BS 3 DCS PCSI N DCS PCSOUT 15 ENABLE 18 5 GND 21 GND R114 4 TXIP 7 TXQN 6 TXQP 9 VDD 32 VDD 26 XEN 8 XIN 27 XOUT 3 RXIN 2 RXIP 1 RXQN 28 RXQP 13 SCLK 14 SDI 11 SDO 5 TXIN 19 RFIDN RFIDP 18 21 RFIGN 20 RFIGP 17 RFIPN 16 RFIPP 22 RFOD 23 RFOG 15 GND 29 GND GND 30 31 GND GND 33 34 35 GND 36 VBAT C135 VRF C136 C130 C144 V102 VBT_2_ 8 R115 C142 C148 R106 VC VC 10 C112 8 G 12 G DCS 1 5 DCS PCS 3 PC...

Страница 22: ...and Parts List 3 1 This Document can not be used without Samsung s authorization 3 1 Cellular phone Exploded View QBA01 QCR05 QKP01 QMP01 QRE01 QVO01 QCR05 QCK01 QIF01 QAN02 QFR01 QFU01 QKP02 QLC01 QSP01 QMO01 QCA01 QFL01 QMW01 QME01 QCR05 QSC05 QRF03 QMI01 QRF01 QSC08 QGI02 QME03 ...

Страница 23: ...1 00136A QFL01 FOLDER LOWER GH75 05915A QMW01 MAIN WINDOW GH75 05916A QCR05 SCREW MACHINE 6001 001478 QSC05 SCREW CAP L GH73 03810A QSC08 SCREW CAP R GH73 03811A QCA01 UNIT CAMERA GH59 01769A QFR01 FRONT COVER GH75 05913A QKP01 KEYPAD GH75 04986A QMP01 MAIN PBA GH92 01823A QMI01 MICROPHONE ASSY GH30 00181A QME01 UNIT METAL DOME GH59 01799A QAN02 INTENNA GH42 00499A QCR05 SCREW MACHINE 6001 001478 ...

Страница 24: ...oded View and Parts List 3 3 This Document can not be used without Samsung s authorization 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00304A 3 3 Test Jig GH80 03307A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00279A 3 3 6 TC GH44 00701A ...

Страница 25: ...03 000330 C461 0601 001819 LED308 2203 000330 C462 0601 001819 LED309 2203 000386 C114 0601 001819 LED310 2203 000438 C126 0601 001819 LED311 2203 000438 C127 0601 001819 LED312 2203 000438 C425 0601 001819 LED313 2203 000628 C149 0601 001819 LED314 2203 000643 C147 0601 001819 LED315 2203 000654 C410 0601 001819 LED316 2203 000812 C117 0601 001819 LED317 2203 000812 C123 0601 001819 LED318 2203 0...

Страница 26: ... 001385 C115 1405 001082 V306 2203 001385 C119 1405 001082 V307 2203 001405 C130 1405 001082 V308 2203 001405 C413 1405 001082 V309 2203 001405 C456 1405 001082 V310 2203 002668 C145 1405 001082 V311 2203 002677 C120 1405 001082 V400 2203 002677 C121 1405 001082 V401 2203 002987 C108 1405 001082 V403 2203 005050 C152 1405 001082 V404 2203 005061 C100 1405 001082 V502 2203 005061 C220 1405 001082 V...

Страница 27: ... 005482 C311 2007 000143 R303 2203 005482 C314 2007 000143 R369 2203 005482 C324 2007 000143 R517 2203 005482 C327 2007 000144 R127 2203 005482 C338 2007 000148 R108 2203 005482 C344 2007 000148 R111 2203 005482 C346 2007 000148 R243 2203 005482 C361 2007 000148 R380 2203 005482 C362 2007 000151 R126 2203 005482 C365 2007 000151 R241 2203 005482 C400 2007 000155 R208 2203 005482 C403 2007 000155 R...

Страница 28: ... 006053 C441 2007 000775 R402 2203 006053 C447 2007 000775 R403 2203 006053 C463 2007 001119 R428 2203 006093 C139 2007 001290 R101 2203 006093 C312 2007 001290 R410 2203 006093 C315 2007 001290 R464 2203 006093 C322 2007 001291 R104 2203 006093 C323 2007 001307 R105 2203 006093 C332 2007 001307 R106 2203 006093 C333 2007 001307 R304 2203 006093 C343 2007 001307 R305 2203 006093 C355 2007 001307 R...

Страница 29: ...1512 L108 2007 007142 R367 2703 001748 L145 2007 007142 R368 2703 001750 L117 2007 007142 R406 2703 001752 L103 2007 007142 R421 2703 001752 L149 2007 007142 R422 2703 001786 L147 2007 007142 R434 2703 002308 L106 2007 007142 R454 2703 002313 L401 2007 007308 R413 2703 002313 L402 2007 007314 R414 2801 004225 OSC300 2007 007334 R401 2801 004339 OSC201 2007 007488 R436 2809 001264 OSC101 2007 00748...

Страница 30: ... 3404 001152 SW2 2203 000233 C421 3404 001152 SW3 2203 000254 C103 3705 001347 CN100 2203 000254 C104 3709 001298 CN401 2203 000254 C106 3710 002194 CN504 2203 000254 C131 3711 005817 CN507 2203 000254 C132 3722 002082 CN400 2203 000254 C133 4202 001037 ANT101 2203 000254 C140 4302 001184 M400 2203 000254 C202 4709 001350 U104 2203 000254 C203 GH09 00033A U201 2203 000254 C207 GH41 00757A PCB SGHE...

Страница 31: ... F103 F104 F301 F400 0 0 5 F 1 0 5 F 2 0 5 F 5 0 5 F 4 0 5 F 3 0 5 F G1 G2 G3 G4 0 0 4 M OSC101 OSC201 0 0 3 C S O Q200 1 0 3 Q Q305 1 W S 3 W S 2 W S TH101 TP10 1 U101 U103 4 0 1 U U105 U106 1 0 2 U 2 0 2 U U204 0 0 3 U 1 0 3 U U302 U303 U304 5 0 3 U 6 0 3 U U401 2 0 4 U U403 1 0 1 V 2 0 1 V 1 0 2 V V311 1 0 4 V 0 0 4 V 2 0 5 V 3 0 5 V 4 0 5 V 5 0 5 V 6 0 5 V 7 0 5 V 0 1 5 V 1 1 5 V 2 1 5 V 4 1 5...

Страница 32: ... DSP_RWN DSP_TCK DSP_TDI DSP_TDO DSP_TMS 0 0 2 F GND1 I LED30 1 LED30 2 LED30 3 LED30 4 8 0 3 D E L 9 0 3 D E L 0 1 3 D E L 1 1 3 D E L 2 1 3 D E L 3 1 3 D E L 4 1 3 D E L 5 1 3 D E L 6 1 3 D E L 7 1 3 D E L LED31 8 T F E L U N E M 0 0 4 C I M R W P T H G I R RST D N E S SHARP O T S U20 3 UP V30 1 V30 2 V30 3 V30 4 V30 5 V30 6 V30 7 V30 8 V30 9 V31 0 3 0 4 V 4 0 4 V ZD40 2 ...

Страница 33: ...A1 8V VCAM_EN Sound Gen YMU765 CLK13M_RF CLK13M_MC CLK13M_TR CLK13M_YMU AUDIO MIC Analog Switch MAX4684 RF_EN MIC RD38F4455LLYBQ MIC MP3 KEY PAD KB_COL 0 4 KB_ROW 0 4 2V8_RF RF_Power_EN PWR_KEEP I F CON 24P SIM CON SIM_RST SIM_RST SIM_CLK SIM_Data SIM_Data SIM_CLK V_SIM DEBUG_SDS DLC_DET YMU AFC VAPC SW_EN 3 TXI_I O SER_CTL TXQ_I O TX_EN GSM DCS PCS TX_BAND_SEL 2 GSM DCS PCS V_BAT V_BAT V_BAT V_BA...

Страница 34: ...Co Ltd MAR 2005 Printed in Korea Code No GH68 06398A 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 ...

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