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Samsung SGH-E810 Service Manual Download Page 12

SAMSUNG Proprietary-Contents may change without notice

SGH-E810 Flow Chart of Troubleshooting

2-

9

This Document can not be used without Samsung's authorization

8. EGSM Transmitter

Continuous TX ON condition

TX Power Code : 500 code Applied

CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB

C402

= 3.7V?

Change U400

NO

YES

U401 Pin#8

About 2~3 dBm?

U401

Pin#11 = High?

U300,301

Check & Change

NO

C401,CN400

Check & Change

YES

U401

Check & Change

YES

Check the

Battery Block

Level of

U400 Pin #6 is

1.2V?

Check

& Change R401

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

U404 Check

Pin#9,32 ≥ 2.8V ?

U404 Check

Pin #8 : 13MHz ?

Vpp : 860mV?

OSC400 Check

Pin #3 : 13MHz ?

Vpp : 950mV?

OSC400 Check
Pin #4 = 2.8V ?

NO

YES

NO

NO

NO

R413,C428

resolder

OSC400

Change or resolder

YES

YES

YES

NO

U100,C107,C109

Check or resolder

U404 Pin

#4,5,6,7 = 1.7V?

YES

Change U400

Check U300

NO

YES

Level of

U401 Pin#5 is

4~5dBm ?

Summary of Contents for SGH-E810

Page 1: ...GSM TELEPHONE SGH E810 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 SERVICE Manual ...

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 U405 pin 4 Check the clock signal at pin 3 of OSC400 Freq 13MHz Vrms 300mV Check U100 and C113 Check U100 and C114 NO NO NO NO NO NO YES YES YES Y...

Page 5: ... Is the pin 19 of U100 Low High There is 32 768KHz wave form at the C327 C328 Is the pin 25 of U100 is High The voltage is High at the C107 C109 C110 LCD Display OK Sound operation OK END Check the U304 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 the U100 If ...

Page 6: ...f Troubleshooting 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 U304 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: ...without Samsung s authorization 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 C246 is 2 2V 10 NO Solder the microphone again or Replace C233 C246 R232 R233 R235 Is microphone OK NO Check U300 END YES YES ...

Page 8: ...is O K NO Replace the speaker Are there any signal at the pin 1 3 of CN503 NO Check the SPK module Replace CN503 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 U304 NO NO Pin 4 of U201 is Low Pin 4 of U201 is High Check U200 Check U300 NO NO YES YES YES YES...

Page 9: ...39PF C264 VCCA L200 100nH U202 ICEBERG FPCB 1UF C233 82PF ZD202 R240 82K 1 C251 C255 180PF 33UF C246 47PF 2 7K R231 C242 L203 100nH L202 100nH R228 VCCA 680 C258 1NF 33UF C248 470nF C232 6 3V 100nH L204 VCCA VCCA ZD200 R239 68K VCCD ZD203 1 23 4 L201 0 R242 39PF ZD204 C260 33PF NC C244 470nF 4 5 6 7 C228 CN201 2 3 C259 1NF C257 1NF C252 C234 NC R232 10K 1UF C249 C253 39PF C241 5 6PF C256 33UF 6 3V...

Page 10: ...ation 6 Camera Part Camera function does not work Check the connect CN502 NO Connect the CN502 Pin 9 of U500 2 8V NO NO Pin 3 of OSC500 is 25MHz NO Pin 10 of U500 2 8V Check U503 END YES YES YES YES Pin 1 of OSC500 High NO Pin 2 of U500 High YES Check the U500 Check U304 NO NO Pin 1 of CN502 is High Check solder status of R500 C502 Replace the OSC500 YES ...

Page 11: ... Check soldered status of R400 C401 CN400 Resolder or Change U401 Resolder or Change U404 Check Pin 9 32 Clean 2 8V U404 Check Pin 28 1 2 3 100mV U100 C107 C109 Check or resolder Check U300 NO NO YES YES YES YES NO YES U404 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 3 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V U404 Change or resolder NO NO NO R413 C428 resolder OSC400 Change or resolder YES YES YES...

Page 12: ...11 High U300 301 Check Change NO C401 CN400 Check Change YES U401 Check Change YES Check the Battery Block Level of U400 Pin 6 is 1 2V Check Change R401 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 U404 Check Pin 9 32 2 8V U404 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 3 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V NO YES NO NO NO R413 C428 re...

Page 13: ... 18 19 65dBm Check soldered status of R400 C401 CN400 Resolder or Change U401 Resolder or Change U404 Check Pin 9 32 Clean 2 8V U404 Check Pin 28 1 2 3 100mV U100 C107 C109 Check or resolder Check U300 NO NO YES YES YES YES NO YES U404 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 8 13MHz Vpp 950mV OSC400 Check Pin 4 2 8V U404 Change or resolder NO NO NO R412 C426 resolder OSC400 Change or resolder...

Page 14: ...U300 302 Check Change NO C401 CN400 Check Change Level of U401 Pin 3 is 4 5dBm YES U401 L402 C405 407 408 Check Change YES Check the Battery Block Level of U400 Pin 6 is 1 2V Check Change R401 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 U404 Check Pin 9 32 2 8V U404 Check Pin 8 13MHz Vpp 860mV OSC400 Check Pin 3 13MHz Vpp 950mV OSC400 Check...

Page 15: ...270PF ANT_GND C407 0 75PF 25 G 1 IN OUT 3 4 OUT U403 G 820 R404 6 3V 100UF C402 R400 0 27 XOUT _PDN 10 12 _SEN 5 TXIN TXIP 4 7 TXQN TXQP 6 VDD 9 32 VDD 26 XEN 8 XIN RFOG 23 3 RXIN RXIP 2 RXQN 1 RXQP 28 13 SCLK SDI 14 11 SDO GND 19 RFIDN 18 RFIDP 21 RFIGN RFIGP 20 17 RFIPN RFIPP 16 22 RFOD DIAG2 15 GND 29 GND 30 GND GND 31 33 GND 34 GND GND 35 36 U404 24 DIAG1 25 C412 33PF 6 5 VREG 1NF C413 7 GSM85...

Page 16: ...w and Parts list 3 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View Q M W 02 Q FU01 Q KP02 Q M P02 Q FL01 Q CA01 Q VK02 Q M E02 Q LC55 Q FR01 Q M P01 Q VK01 Q M I 01 Q KP01 Q M E01 Q RE01 Q AN02 Q VO 01 Q CR03 Q CK01 Q BA29 Q CH05 Q CA02 Q M E03 ...

Page 17: ...02 FUNCTION KEY GH75 04245A QMP02 MAIN PBA GH92 01750A QME02 METAL DOME GH59 01336A QME03 UNIT FPCB GH59 01408A QFL01 FOLDER LOWER GH75 04743A QCH05 FRESH COVER GH72 12929A QFR01 FRONT COVER GH75 04238A QCA02 CAMERA KEY GH59 01338A QKP01 KEYPAD GH75 04244A QMI01 MIC GH30 00107A QME01 METAL DOME GH59 01335A QMP01 MAIN PBA GH92 01747A QVK01 UNIT VOLUME GH59 01337A QAN02 INTENNA GH42 00415A QRE01 REA...

Page 18: ...GH E810 Exploded View and Part list 3 3 This Document can not be used without Samsung s authorization 3 Test Jig G H80 03304A 3 1 RF Test Cable GH39 00182A 3 2 Test Cable GH39 00304A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00293A 3 6 TC GH44 00701A ...

Page 19: ... C241 2203 000585 C243 R234 2007 000171 C245 R242 R245 R316 2203 001239 C251 2203 000854 C253 C254 C262 C263 2203 005503 C255 2203 000438 C258 C413 C423 C424 1405 001082 C259 V1 V10 V11 V12 2203 000812 C261 C409 C410 C412 2203 000854 C264 ZD204 SEC Code Design LOC 2203 000254 C302 C303 C306 C315 2203 005496 C304 C314 C334 2203 000679 C305 C308 C309 2203 000233 C307 C311 C318 C325 2203 006093 C312 ...

Page 20: ...05 R206 R207 R208 2007 000174 R209 R210 R211 R212 2007 000174 R213 R214 R215 R216 2007 000174 R217 R218 R219 R220 2007 000174 R221 R222 R223 2007 007489 R224 2007 000775 R225 R226 2007 001325 R227 2007 001119 R228 R235 2007 000172 R229 R230 R402 R408 2007 000142 R231 R313 2007 000148 R232 R238 R409 R412 SEC Code Design LOC 2007 007538 R233 2007 000162 R236 R301 R305 R307 2007 000160 R239 2007 0075...

Page 21: ...horization SEC Code Design LOC 1405 001082 V2 V3 V4 V5 V6 V7 V8 1405 001082 V9 ZD100 ZD101 ZD102 1405 001082 ZD103 ZD104 ZD105 1405 001082 ZD106 ZD107 ZD108 1405 001082 ZD109 ZD110 ZD111 1405 001082 ZD112 ZD113 ZD114 1405 001082 ZD115 ZD116 ZD117 1405 001082 ZD118 ZD119 ZD200 1405 001019 ZD120 0403 001387 ZD121 1405 001082 ZD201 ZD202 ZD203 ...

Page 22: ... 002736 L501 3301 001105 L502 0601 001654 LED500 LED502 LED503 0601 001654 LED505 2804 001577 OSC500 0504 001141 Q500 Q501 Q502 0505 001518 Q503 Q504 2007 000157 R500 2007 000143 R501 2007 000162 R502 R503 R536 2007 000593 R504 2007 001254 R505 R506 SEC Code Design LOC 2007 001306 R507 R510 R513 R516 2007 000138 R508 R511 R514 R517 2007 003010 R509 R512 R515 R518 2007 001306 R519 R522 2007 000138 ...

Page 23: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 SGH E810 Block Diagrams 5 1 1 RF Solution Block Diagram ...

Page 24: ...00 C401 C402 C403 C404 C405 C406 C407 C408 C411 C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C424 C425 C426 C427 C428 C429 C430 C431 C432 C433 C434 C435 CN100 CN101 CN201 CN400 D300 G1 G2 G3 G4 L200 L201 L202 L203 L204 L401 L402 L403 L404 L405 L406 L407 OSC300 OSC400 Q200 Q300 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R118 R124 R125 R224 R225 R2...

Page 25: ...3 C264 C311 C318 C324 C326 C409 C410 CN200 CP_TCK CP_TDI CP_TDO CP_TMS CP_WEN DSP_TCK DSP_TDI DSP_TDO DSP_TMS F1 F2 F3 F4 F5 F6 L300 LED100 LED101 LED102 LED103 LED104 LED105 Q100 R100 R117 R119 R120 R121 R122 R123 R126 R127 R128 R129 R130 R131 R132 R133 R134 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R301 R305 R309 RST S...

Page 26: ...31 C532 C533 C534 C535 C536 C537 C538 C539 C540 CN500 CN501 CN502 CN503 D500 D501 D502 D503 D504 G1 G2 G3 G4 L500 L501 L502 OSC500 Q500 Q501 Q502 Q503 Q504 R500 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 R533 R534 R535 R536 SD500 SD501 SD502 U500 U501 U502 U503 U504 ZD500 ZD501 ZD50...

Page 27: ...tents may change without notice SGH E810 PCB Diagrams 6 4 This Document can not be used without Samsung s authorization 4 LCD TOP Diagram CLEAR DOWN I LED500 LED501 LED502 LED503 LED504 LED505 LEFT MENU PWR RIGHT SEND STO UP ...

Page 28: ...nics Co Ltd JULY 2004 Printed in Korea Code No GH68 05709A 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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