GSM TELEPHONE SGH-E810 SERVICE GSM TELEPHONE Manual CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6.
1. SGH-E810 Specification 1. GSM General Specification GSM900 Phase 1 EGSM900 Phase 2 DCS1800 Phase 1 Freq. Band[MHz] Uplink/Downlink 890~915 880~915 1710~1785 935~960 925~960 1805~1880 ARFCN Range 1~124 Tx/Rx Spacing Mod. Bit Rate/ Bit Period Time Slot Period /Frame Period Modulation MS Power Power Class Sensitivity TDMA Mux Cell Ridius 45MHz 45MHz 95MHz 270.833KHz 270.833KHz 270.833KHz 3.692us 3.692us 3.692us 576.9us 576.9us 576.9us 4.615ms 4.615ms 4.615ms 0.3GMSK 0.3GMSK 0.
SGH-E810 Specification 2.
2. SGH-E810 Flow Chart of Troubleshooting 1. Power ON 'Power ON' Does not work Check the current consumption Current consumption NO Down load again ≥100mA ? YES Check the V bat. voltage Voltage ≥ 3.3V ? NO Charge the Battery YES Check the pin of U100 pin #11 ≥ 2.8V ? NO Check U100 and C114 YES pin #39 and #33 = 2.8V YES NO Pin #9=1.8V? NO Check U100 and C113 YES Check the clock signal NO at pin #3 of OSC400 Check the clock generation circuit (OSC400, U405 pin#4) Freq.
SGH-E810 Flow Chart of Troubleshooting 2. System Initial Initial Failure The pin #9 of U100 = 1.8V NO and pin #11 of U100=2.8V? Check the U100 (If it has some problem, it has to be replaced.) YES Is the pin #19 of U100 NO " Low --> High" ? Check the U100 (If it has some problem, it has to be replaced.) YES There is 32.
SGH-E810 Flow Chart of Troubleshooting 3.
SGH-E810 Flow Chart of Troubleshooting 4. Microphone Part Micro-phone does not work Is the assembled status of NO Microphone O.K? Reassemble the microphone YES Check the DC bias voltage on Mic path. The voltage of C246 is NO 2.
SGH-E810 Flow Chart of Troubleshooting 5. Speaker Part There is no sound from speaker Is the terminal of speaker NO is O.
MICIN AUXOUT AUXIN MICOUT C253 39PF C242 47PF R239 68K R233 56K,1% C254 39PF C240 47PF R238 10K R244 51K C233 1UF 1UF C249 R240 82K,1% VCCA C246 33UF R235 680 VCCA R232 10K 2 Q200 C248 470nF 2.7K R231 1 3 R241 1K VCCD R237 4.7K 5.6PF C241 C236 1NF C228 470nF EAR_SWITC H C244 NC L200 100nH 6.3V 33UF C232 ZD201 MIC+ C251 82PF C252 1NF ICEBERG-FPCB U202 L204 100nH AOUTB P AOUTB N AUDIO C256 33UF 6.3V C250 33UF 6.
SGH-E810 Flow Chart of Troubleshooting 6. Camera Part Camera function does not work NO Connect the CN502 Check the connect CN502? YES NO Check the U500 Pin #9 of U500 = 2.8V? YES Pin #10 of U500 = 2.
SGH-E810 Flow Chart of Troubleshooting 7.
SGH-E810 Flow Chart of Troubleshooting 8. EGSM Transmitter U401 Pin#8 About 2~3 dBm? NO U300,301 Check & Change YES YES C401,CN400 Check & Change NO U401 Pin#11 = High? NO Level of U401 Pin#5 is 4~5dBm ? Continuous TX ON condition TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB YES U401 Check & Change NO C402 = 3.7V? Check the Battery Block YES NO Level of U400 Pin #6 is 1.
SGH-E810 Flow Chart of Troubleshooting 9. DCS Receiver Continuous RX ON RF Input : 660 CH AMP : -50dBm NO NORMAL CONDITION Catch the channel ? Check soldered status of R400, C401 YES NO U401 Check Pin #8 ≥ -65dBm ? CN400 Resolder or Change YES NO U401 Check Pin #1 ≥ -65dBm ? U401 Resolder or Change YES NO U402 Check Pin #1 ≥ -65dBm ? Check soldered status of C415 YES U404 Check Pin#18,19 ≥ -65dBm ? NO Check soldered status of C414, 416, L404, U402 YES U404 Check Pin#9,32=Clean 2.
SGH-E810 Flow Chart of Troubleshooting 10. DCS Transmitter U401 Pin#8 About 2~3 dBm? NO NO U401 Pin#11 = High? YES U300,302 Check & Change YES C401,CN400 Check & Change NO Level of U401 Pin#3 is 4~5dBm ? Continuous TX ON condition TX Power Code : 350 code Applied CH : 660 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB YES U401,L402,C405,407,408 Check & Change NO C402 = 3.7V? Check the Battery Block YES Level of U400 Pin #6 is 1.
SGH-E810 Flow Chart of Troubleshooting ANT CN400 1 R400 0 OUT IN 2 ANT1 G1 G2 3 4 ANT_GND L407 15nH VBAT C402 100UF 6.3V VPAC C400 NC C401 47PF C403 10NF U401 13 R401 100K TX_EN VCC TX_BAND_SEL C412 33PF U400 RF3140 C413 1NF 9 11 7 L402 2.7nH C407 10 8 12 C404 47PF 8 5 EGSM_TX ANT 3 10 DCS_TX 1 EGSM_RX DCS_RX G G GG G G 141312 9 7 6 C405 22PF C406 2.2PF L403 NC C408 0.5PF 0.75PF VC2 2 11 VC1 DCS_TX_EN GSM_TX_EN G 4 C409 33PF R402 10 1 R403 R404 C414 3 2.
3. SGH-E810 Exploded View and Parts list 1.
SGH- E810 Exploded View and Part list 2. Cellular phone Parts list Location NO.
SGH-E810 Exploded View and Part list 3. Test Jig (G H 80-03304A) 3-1. RF Test Cable 3-2. Test Cable (GH39-00182A) 3-3. Serial Cable [GH39-00304A] 3-4. Power Supply Cable 3-5. DATA CABLE [GH39-00293A] 3-6.
4. SGH-E810 Electrical Parts List 1.
SGH-E810 Electrical Parts List SEC Code Design LOC SEC Code Design LOC 2703-002547 L404 2007-007538 R233 2703-001907 L405 2007-000162 R236,R301,R305,R307 3301-001105 L406 2007-000160 R239 2703-001180 L407 2007-007590 R240 0601-001790 LED100,LED101,LED102 2007-007014 R244 0601-001790 LED103,LED104,LED105 2007-000144 R300 2801-003747 OSC300 2007-007200 R302,R303 2809-001264 OSC400 2007-000170 R304 0504-001141 Q100 2007-000157 R306 0501-000225 Q200 2007-007142 R308
SGH-E810 Electrical Parts List 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 4-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E810 Electrical Parts List 2.
5. SGH-E810 Block Diagrams 1.
6.
SGH-E810 PCB Diagrams 2.
SGH-E810 PCB Diagrams D503 G2 G1 3.
SGH-E810 PCB Diagrams 4.
ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. JULY. .2004 Printed in Korea. 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. Code No.: GH68-05709A BASIC.
