Samsung SGH-E710 Service Manual Download Page 9 | Manualshive

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SAMSUNG Proprietary-Contents may change without notice

SGH-E710 Flow Chart of Troubleshooting and Circuit Diagrams

2-

6

This Document can not be used without Samsung's authorization

5. 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 C237 is

2.2V±10%?

NO

Solder the microphone again

or Replace

C230,C237,R217,R218,R219

Is microphone OK?

NO

Check U300

END

YES

YES

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Summary of Contents for SGH-E710

Page 1: ...SGH E710 SERVICE Manual GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams GSM TELEPHONE ...

Page 2: ...805 1880 ARFCN Range 1 124 0 124 975 1023 512 885 Tx Rx Spacing 45MHz 45MHz 95MHz Mod Bit Rate Bit Period 270 833KHz 3 692us 270 833KHz 3 692us 270 833KHz 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 13dBm 33dBm 13dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm 100dBm T...

Page 3: ...wer Control Level GSM900 5 33 2dBm 6 29 2dBm 7 27 2dBm 8 25 2dBm 9 23 2dBm 10 21 2dBm 11 19 2dBm 12 17 2dBm 13 15 2dBm 14 13 2dBm 15 11 2dBm 16 9 3dBm 17 7 3dBm 18 5 3dBm 19 3 3dBm TX Power Control Level DCS1800 0 30 3dBm 1 28 3dBm 2 26 3dBm 3 24 3dBm 4 22 3dBm 5 20 3dBm 6 18 3dBm 7 16 3dBm 8 14 3dBm 9 12 4dBm 10 10 4dBm 11 8 4dBm 12 6 4dBm 13 4 4dBm 14 2 5dBm 15 0 5dBm ...

Page 4: ...rrent consumption Current consumption 100mA Check the V bat voltage Down load again Voltage 3 3V Check the pin of U100 pin 11 2 8V Pin 9 1 8V Check the Initial operation END pin 39 and 33 2 8V Charge the Battery Check the clock generation circuit OSC400 U402 pin 4 Check the clock signal at pin 3 of OSC400 Freq 13MHz Vrms 300mV Check U100 and C109 Check U100 and C110 NO NO NO NO NO NO YES YES YES Y...

Page 5: ...al Failure Is the pin 19 of U100 Low High There is 32 768KHz wave form at the C324 C325 Is the pin 25 of U100 is High The voltage is High at the C106 C112 C113 LCD Display OK Sound operation OK END Check the U303 Check the U300 Check the U100 Check the LCD part Check the Audio part YES NO NO NO NO YES YES YES YES YES NO NO NO YES Check the U100 If it has some problem it has to be replaced Check th...

Page 6: ...ooting and Circuit Diagrams 2 3 This Document can not be used without Samsung s authorization 3 SIM Part Is there any signal pin 52 53 54 of U100 Check the U303 Insert SIM is displayed on the LCD END Check the SIM Card YES NO NO YES Is there any signal pin 1 2 3 6 of CN100 Check the U100 ...

Page 7: ...ng s authorization 4 Charging Part The pin 17 18 of CN101 VEXT is 5V Replace TA or check CN101 Abnormal charging operation END Check the U102 YES NO NO The pin 2 of U102 is Low YES The pin 3 of U102 is Low YES Check the U102 NO The pin 5 of U101 is 3 2 4 2V Check the U101 NO The ICHRG 1V during charging 180mV full charging YES YES Solder again or change R119 NO ...

Page 8: ...R_SW 2 47 19 RESETN RING_DR V 62 GN D GN D 63 64 GN D 65 GN D GN D 66 GNDD 60 6 GNDD1 GNDQ 28 INTRQ 26 27 EN_5B 57 GN D 67 GN D GN D 68 GN D 58 59 GN D GN D 61 56 43 BTEMP CREF 29 CSN 18 EN_3 22 23 EN_4 0 EN_4 1 24 25 EN_5 EN_5A U100 44 ADC_AUX1 ADC_AUX2 45 ADC_TRIG 1 3 2 Q100 C100 33PF G 89 GG 10 VRTC VBAT 1 1 2 2 3 3 4 4 5 5 6 6 7 G 1 2K CN100 VCC A R115 VPAC 10K 1 R118 C109 2 2UF VCC B 2 2U F C...

Page 9: ...ot be used without Samsung s authorization 5 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 C237 is 2 2V 10 NO Solder the microphone again or Replace C230 C237 R217 R218 R219 Is microphone OK NO Check U300 END YES YES ...

Page 10: ... speaker is O K NO Replace the speaker Are there any signal at the pin 40 42 of CN200 NO Check the LCD module Replace CN200 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 5 7 of U201 Are there any signal at the pin 3 9 of U201 Check U201 U303 NO NO Pin 4 of U201 is Low Pin 4 of U201 is High Check U202 Check U300 NO NO YES ...

Page 11: ...1NF C249 C240 33UF C236 33UF 6 3V 6 3V 39PF C243 C239 1UF 1K R230 82K 1 R231 VCCA R239 0 R237 0 470nF C238 39PF 33UF C237 C260 4 7K R221 82PF C245 1K R233 1K R232 TH200 L200 100nH ZD201 C242 180PF C248 1NF R225 10K 33PF C244 ZD202 VCCD R228 560PF MAIN_MIC 47K 1 R218 3 1 R217 10K Q200 2 33PF C241 C247 33PF 5 6 ZD200 CN201 1 2 3 4 39PF C233 R220 100K NC 0 R226 47K 1 R234 R227 1NF C246 100nH L201 1 1...

Page 12: ...s authorization 7 Camera Part Camera function does not work Check the connect CN200 NO Connect the CN200 Pin 9 of U203 2 8V NO NO Pin 3 of OSC200 is 25MHz NO Pin 10 of U203 2 8V Check U200 END YES YES YES YES Pin 1 of OSC200 High NO Pin 2 of U203 High YES Check the U203 Check U303 NO NO Pin 54 of CN200 is High Check solder status of R207 C208 Replace the OSC200 YES ...

Page 13: ... 20 21 65dBm Check soldered status of C400 402 CN400 Resolder or Change F400 Resolder or Change U401 Check Pin 9 32 Clean 2 8V U401 Check Pin 28 1 2 3 100mV U100 C106 C112 Check or resolder Check U300 NO NO YES YES YES YES NO YES U401 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 8 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V U401 Change or resolder NO NO NO R412 C426 resolder OSC400 Change or resolder ...

Page 14: ...m F400 Pin 10 High U300 301 Check Change NO C402 CN400 Check Change YES F400 Check Change YES Check the Battery Block Level of U400 Pin 6 is 1 2V Check Change R406 OK U300 Check Change YES YES NO NO NO NO U400 pin 7 About 5 dBm U400 pin 3 High Check U300 YES NO YES U401 Check Pin 9 32 2 8V U401 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 8 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V NO YES NO NO NO R...

Page 15: ...Check Pin 18 19 65dBm Check soldered status of C400 402 CN400 Resolder or Change F400 Resolder or Change U401 Check Pin 9 32 Clean 2 8V U401 Check Pin 28 1 2 3 100mV U100 C106 C112 Check or resolder Check U300 NO NO YES YES YES YES NO YES U401 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 8 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V U401 Change or resolder NO NO NO R412 C426 resolder OSC400 Change or ...

Page 16: ...Pin 4 High U300 302 Check Change NO C402 CN400 Check Change Level of F400 Pin 5 is 4 5dBm YES F400 L401 C408 C410 Check Change YES Check the Battery Block Level of U400 Pin 6 is 1 2V Check Change R406 OK U300 Check Change YES YES NO NO NO NO U400 pin 1 About 5 dBm U400 pin 3 High Check U300 YES NO YES U401 Check Pin 9 32 2 8V U401 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 8 13MHz Vpp 950mV OSC4...

Page 17: ...2 VC1 VC2 4 10 VC3 0 75PF F400 9 ANT 1 DCSRX DCS PCSTX 5 11 EGSMRX EGSMTX 7 6 VRAMP VREG 5 1PF C413 7 9 11 PCSOUT 3T XEN 4 VBATT 10 VCC VCC2 81 2 VCC2 RF3140 U400 2 BAND DCSI N 1 13 GND C416 100P F C418 1UF R405 2 G 5 G IN 1 3 OUT OUT 4 270 2 GG 5 IN 1 3 OUT OUT 4 F402 15 R403 F403 R402 820 10 R400 G 25 G 1 IN 3 OUT OU T 4 100NF F401 0 5PF C410 C428 L401 2 7nH 5 6nH L402 C406 1 8P F 270PF 1 0nH C4...

Page 18: ...s may change without notice 3 SGH E710 Exploded View and its Parts list 3 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 1 2 3 4 5 6 7 8 9 11 12 13 14 18 19 21 22 23 10 16 15 20 17 ...

Page 19: ...70 5 CAMERA GH59 00959A 6 FOLDER LOWER GH75 03263A 7 WINDOW LCD GH75 03785A 8 SCREW 6001 001478 9 FOLDER LOWER SCREW CAP LEFT GH73 02160A FOLDER LOWER SCREW CAP RIGHT GH73 02161A 10 IF COVER GH72 08382A 11 CAMERA KEY GH75 03586A 12 FRONT COVER GH75 03261F 13 VOLUME KEY GH75 03256A 14 KEYPAD GH75 03688D 15 MAIN PBA GH92 01592A 16 DOME SHEET GH59 00895A 17 MIC GH30 00032A 18 SCREW 6001 001478 19 INT...

Page 20: ... Exploded view and its Part list 3 3 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 00159A 3 6 TA GH44 00482A ...

Page 21: ...1 C222 2203 001405 C223 2203 005061 C224 2203 006090 C225 2203 006090 C226 2203 000254 C227 2404 001086 C228 2203 005061 C229 2203 006093 C230 2203 000438 C231 2203 000438 C232 2203 000995 C233 2203 001259 C234 2203 000812 C235 2404 001151 C236 2404 001151 C237 2203 006257 C238 2203 005065 C239 2404 001151 C240 2203 000812 C241 2203 005503 C242 2203 000854 C243 2203 000812 C244 2203 001239 C245 22...

Page 22: ...9 001213 F400 2904 001450 F401 2904 001419 F402 2904 001417 F403 2703 002313 L200 2703 002313 L201 2703 001748 L400 2703 001737 L401 2703 002665 L402 2007 000171 L403 2703 002547 L405 2703 001907 L406 3301 001105 L407 2703 002369 L408 2203 000628 L409 2203 000995 L410 0604 001261 LED100 0601 001790 LED101 0601 001790 LED102 0601 001790 LED103 0601 001790 LED104 0601 001790 LED105 0601 001790 LED10...

Page 23: ...590 R230 2007 000140 R231 2007 000140 R232 2007 000140 R233 2007 007014 R235 2007 000162 R236 2007 000171 R237 2007 000171 R238 2007 000171 R239 2203 000438 R241 2007 002796 R300 2007 000157 R301 2007 007319 R302 2007 000139 R303 2007 000162 R304 2007 007200 R309 2007 007200 R310 2007 000170 R311 2007 000162 R312 2007 000157 R313 2007 000162 R314 2007 007142 R315 2007 000162 R316 2007 007573 R317 ...

Page 24: ...05 001082 ZD106 1405 001082 ZD107 1405 001082 ZD108 1405 001082 ZD109 1405 001082 ZD110 1405 001082 ZD111 1405 001082 ZD112 1405 001082 ZD113 1405 001082 ZD114 1405 001082 ZD115 1405 001082 ZD116 1405 001082 ZD117 1405 001082 ZD121 1405 001082 ZD122 1405 001082 ZD123 1405 001082 ZD124 1405 001082 ZD125 1405 001082 ZD126 1405 001082 ZD127 1405 001082 ZD128 1405 001082 ZD200 1405 001082 ZD201 1405 0...

Page 25: ...I F RF Block Enable RF I F Power I F OSC 13MHz Crystal 32 768 KHz A 1 23 D 0 15 Control A 0 8 D 0 15 Control VRTC 1V8_Core 2V8_DIG LCD with Camera Control LCD_D 0 15 Control C_D 0 7 LDO MIC2212 VEP CAM_VCC CAMPWR_ON Sound Gen YMU762 CLK13M_RF CLK13M_MC CLK13M_TR CLK13M_YMU SPK Analog Switch MAX4684 RF_EN MIC 38F3350WWZD MIC SPK Ear Jack KEY PAD KB_COL 0 4 KB_ROW 0 4 2V8_RF RF_Power_EN PWR_KEEP CHG...

Page 26: ...7 C408 C409 C410 C411 C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C424 C425 C426 C427 C428 C429 C430 C431 CN100 CN1006 CN101 CN200 CN201 CN400 F400 F401 F402 F403 G1 G2 G3 G4 L200 L201 L400 L401 L402 L403 L404 L405 L406 L407 L408 L409 L410 LED100 M1 MAIN_MIC OSC200 OSC300 OSC400 Q100 Q101 Q102 Q200 R100 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116...

Page 27: ...P_TDO CP_TMS DOWN DSP_TCK DSP_TDI DSP_TDO DSP_TMS F200 GND_1 I LED101 LED102 LED103 LED104 LED105 LED106 LED107 LED108 LED109 LED110 LED111 LED112 LEFT MENU PWR Q300 Q301 Q302 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R138 R139 R140 R141 R142 R143 R222 R224 R229 R232 R233 R237 R300 R302 R303 R304 R316 RIGHT RST SEND SHARP STO TH200 U102 U301 U306 U403 UP ZD107...

Page 28: ...onics Co Ltd DEC 2003 Printed in Korea Code No GH68 04713A 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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