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GSM TELEPHONE
SGH-E300
SERVICE
GSM TELEPHONE
1. 2. 3. 4. 5. 6.
Manual
CONTENTS
Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams
1. SGH-E300 Specification
1. GSM General Specification
GSM900 Phas e 1 Fr eq. Band[MHz] Uplink/ Downli nk ARFCN r ange 890~915 935~960 1~124 EGSM 900 Phas e 2 880~915 925~960 0~124 & 975~1023 45MHz 270.833kbps 3.692us 576.9us 4.615ms 0.3GMSK 33dBm~5dBm 5pcl ~ 19pcl -102dBm 8 35Km DCS1800 Phas e 1 1710~1785 1805~1880 512~885
Tx/ Rx s paci ng Mod. Bit rate/ Bit Period Ti me Slot Peri od/Fr ame Per iod Modulati on MS Power Power Cl a ss Sensit ivit y TDMA Mux Cell Radius
45MHz 270.833kbps 3.692us 576.9us 4.615ms 0 . 3 GM S K 33dBm~13dBm 5pcl ~ 15pcl - 102dBm 8 35Km
95MHz 270.833kbps 3.692us 576.9us 4.615ms 0 . 3 GM S K 30dBm~0dBm 0pcl ~ 15pcl - 100dBm 8 2Km
1-1
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SGH-E310 Specification
2. GSM TX power class
TX Power control level
5
GSM900
TX Power control level
0
DCS1800
33±2 dBm
30±3 dBm
6
31±2 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4dBm
17
9±3dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
15 1-2
0±5 dBm
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2. SGH-E300 Flow Chart of Troubleshooting 1.Baseband
1. Power ON
'Power On' does not work Yes
Check the current consumption more than 100mA
No Download again
Yes No Charge the Battery
Check the Voltage more than 3.3V
Yes
Check the pin 11 of U102 is more than 2.8V
No Check U102 and C117
Yes No U102 pin 33,39 = 2.8V Yes Yes U102 pin 9 = 1.8V No Check U102 and C116
Check the clock signal at pin4 of OSC801 Freq=13MHz ? Vrms300mV ? Vpp is around 900mVpp ?
No
Check the clock generation circuit
Yes Check the initial operation
END
2-1
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
2. Initial
Initial Failure Yes
Check the signal at the pin 19 of U102 is "High" when the phone is boot on
No Check U102
Yes No Check the U701
Check the pin 25 of U100 is "High" Yes Check the pin 4 of OSC801 is around 2.8V Yes Check LCD connector CN201, and resolder bridge Yes END
No
Check the soldered status of OSC801,R801,U102
3. Sim Part
Phone can't access SIM card Yes Check the pin 1 of CN100. voltage 3V ? Yes Check the SIM connector's (CN100) connection to SIM card Yes Check the circuit around CN100 input circuitry Yes Check the circuit around U601 output and vlotage supply circuitry Yes END No Check the related circuit of U601 and U102 No Check the related circuit of CN100 No Check the circuit related to U102
No Resolder or change CN100
2-2
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part
Abnormal charging part Yes Check the pin 17, 18 of CN300 is TA_VEXT>4? Yes Check the pin 2 of Q102 is "low"? Yes Check the pin 3 of Q100 is "low"? Yes Check the pin 5 of Q102 is "3.2~4.2V"? Yes No Check the Q102 No Check the Q100 No Check the Q102 No
Replace TA,Check CN300
Check the ICHRG is 1V(during charging) and around 180mV(full charging)? No Resolder or change R102
Yes END
2-3
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
( Picture 1)
2-4
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
(Picture 2)
2-5
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
(Picture 3)
2-6
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
5. Microphone Part
Microphone does not work Yes check the soldered status of microphone. Yes No Resolder microphone
Check the reference voltage on mic path C431 2.5 V
No
Resolder or change R424,C431,R413,C410,R408,R411
Yes No Is microphone ok? Yes END Check U701
6. Speaker Part
Speaker does not work Yes Check the connection from CN201 to LCD module Yes Check the PIN 4 of U401='High' and U409='High'? Yes No Is speaker ok? No Check U601 No Check the circuit related to U401
Check U701
Yes Is speaker ok? Yes END No Change Speaker
2-7
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
2-8
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
7. Camera Part
"Camera" function dose not work Yes Check the connect CN201 No Connect the camera module
Yes No U1002 PIN 9,10 = 2.8V? Check U1002 and C1022,C1021
Yes No R1020 = 25MHz Check U1001 and OSC1000
END
2-9
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
2-10
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
2.RF
1. EGSM RX
CONTINUOUS RX ON RF INPUT : 62CH
NORMAL CONDITION catch the channel?
NO
CHECK ANT701,L905 contact ?
AMP : -50dBm
YES
F900 CHECK pin8 -65dBm ?
NO
C900, F901 resolder or change
YES
F900 CHECK pin2,3 -65dBm ?
NO
F900 resolder or change
YES
U800 CHECK pin20,21 -65dBm ?
NO
C912,C913,L901 resolder or change
YES
U800 pin 9,32: 2.8V ?
NO
U102 pin39, C112 change or resolder
YES
U800 CHECK pin 8 : 13MHz ? change or resolder Vp-p : 950mV?
NO
OSC801
YES
U800 pin1,2,3,28 Vp-p : 120mV ?
NO
U800 resolder or change
YES
U701 CHECK!!
2-11
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
2. DCS RX
CONTINUOUS RX ON RF INPUT : 698CH
NORMAL CONDITION catch the channel?
NO
CHECK ANT701,L905 contact ?
AMP : -50dBm
YES
F900 CHECK pin8 -65dBm ?
NO
C900, F901 resolder or change
YES
F900 CHECK pin4,5 -65dBm ?
NO
F900 resolder or change
YES
U800 CHECK pin18, 19 -65dBm ?
NO
C914,C915,L902 resolder or change
YES
U800 pin 9, 32: 2.8V ?
NO
U102 pin39, C112 change or resolder
YES
U800 CHECK pin 8 : 13MHz ?
NO
OSC801 change or resolder
Vp-p : 950mV?
YES
U800 pin1,2,3,28 Vp-p : 120mV ?
NO
U800 resolder or change
YES
U701 CHECK!!
2-12
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
3. EGSM TX
F900 pin 13 : about 2~3 dBm?
NO
F900 pin1 : 2.8 V?
NO
U702,U703 check & change
CONTINUS TX ON CONDITION
TX POWER DAC: 600 CODE APPLIED CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm
YES YES
F901, C900,L905 check&change U900 pin12 :
NO
about 4~5dBm?
YES
F900 check & change
ATT. : 20dB
U900 pin8,20 : 3.7 V?
NO
BATTERY, U102 check & change
YES
U900 pin 22 : 1.6V ?
NO
U701 check
YES NO
U900 pin6 about : -5dBm ?
YES
U900 pin 2 : 3V?
NO
YES
U900 change or resolder U701 check
NO
U800 pin9,32 : 2.8V ?
YES
U800 U102 pin39, C112 change or resolder pin8 : 13MHz ?
NO
OSC801 change or resolder
Vp-p : 950mV?
YES NO
U800 pin4,5,6,7:100mV?
YES
U701 U800 change or resolder change or resolder
2-13
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
5. DCS TX
F900 pin 13 : about 2~3 dBm?
NO
F900 pin6 : 2.8 V?
NO
U702,U703 check & change
CONTINUOUS TX ON CONDITION CH : 698CH(DCS) TX POWER CODE: 520 CODE Aplied
YES YES
F901, C900,L905 check&change U900 pin11 :
RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm
NO
about 4~5dBm?
YES
F900 check & change
ATT. : 20dB
U900 pin8,20 : 3.7 V?
NO
BATTERY, U102 check & change
YES
U900 pin 22 : 1.4V ?
NO
U701 check
YES NO
U900 pin5 about : -5dBm ?
YES
U900 pin 2 : 3V?
NO
YES
U900 change or resolder U701 check
NO
U800 pin9,32 : 2.8V ?
YES
U800 U102 pin39, C112 pin8 : 13MHz ? change or resolder Vp-p : 950mV?
NO
OSC801 change or resolder
YES NO
U800 pin4,5,6,7:100mV?
YES
U701 U800 change or resolder change or resolder
2-14
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
(Picture 1)
2-15
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
(Picture 2)
2-16
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SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams
(Picture 3)
2-17
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3. SGH-E300 Exploded View and its Parts list
1. Cellular phone Exploded View
QFR01
QFU01 QVO01
QKP01
QCA01
QMP01 QLC66 QVK01 QMI01 QAN01 QME02 QIF02 QSP01 QMO02
QCK01
QRE01 QFL01
QCR06 QSC03 QRF01 QCR04 QSC05 QSC08 QBA21 QMW01
3-1
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SGH-E300 Exploded view and its Part list
2. Cellular phone Parts list Location NO.
QFU01 QLC66 QSP01 QMO02 QCA01 QCR04 QSC05 QSC08 QFL01 QMW01 QFR01 QVO01 QKP01 QMP01 QVK01 QME02 QMI01 QIF02 QCK01 QAN01 QRE01 QRF01 QCR06 QBA21
Description
F/UPPER ASSY LCD SPEAKER MOTOR CAMERA SCREW SCREW SHEET-L SCREW SHEET-R F/LOWER ASSY LCD WINDOW ASSY FRONT ASSY VOLKEY KEYPAD ASSY PBA MAIN UNIT VOLKEY UNIT METAL DOME MICROPHONE ASSY IF COER CAMKEY ANTENNA REAR COVER RF COVER SCREW BATTERY
SEC CODE
GH75-04391A GH07-00552A 3001-001484 3101-001328 GH59-01102A 6001-001479 GH74-06866A GH74-06867A GH75-04392A GH75-03874A GH75-03867A GH75-04736A GH75-03939A GH92-01581A GH59-01016A GH59-01097A GH30-00062A GH73-01394A GH75-04735A GH42-00362A GH75-03868A GH72-14790A 6001-001155 GH43-01234A
Remark
3-2
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SGH- E300 Exploded view and its Part list
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 (GH44-00184A)
3-3
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4. SGH-E300 MAIN Electrical Parts List
SEC Code
GH92-01581A 0403-001427 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001184 0501-000225 0502-001201 0504-000168 0504-001042 0506-001052 0601-001790 0601-001790 0601-001790 0601-001790 0601-001790 0601-001790 0604-001261 1001-001183 1009-001010 1109-001281 1201-002078 1203-002127 1203-002861 1203-002902 1204-001984 1204-002161 1209-001219 2007-000070 2007-000138 2007-000140 2007-000140 2007-000140 V302,ZD205 V301,ZD201,ZD202 ZD203,ZD204,ZD301 ZD302,ZD303,ZD304 ZD305,ZD306,ZD307 ZD308,ZD309,ZD310 ZD311,ZD312,ZD401 ZD402,ZD403,ZD404 V307 Q401 Q100 Q103,Q104 U702,U703 Q102 LED201,LED202,LED203 LED204,LED205,LED207 LED208,LED210,LED211 LED212,LED213,LED214 LED218,LED219,LED220 LED221,LED222 LED217 U401 U202 U500 U900 U101 U1002 U102 U701 U402 U602 L905 R804 R304,R305,R306,R307 R308,R309,R310,R312 R313,R420,R424
4-1
Design LOC
SEC Code
2007-000141 2007-000148 2007-000148 2007-000154 2007-000157 2007-000157 2007-000159 2007-000161 2007-000162 2007-000162 2007-000164 2007-000170 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-000172 2007-000172 2007-000172 2007-000758 2007-000775 2007-001288 2007-001291 2007-001313 2007-001319 2007-001323 2007-001325 2007-007008 2007-007139 2007-007142 2007-007200 2007-007306 2007-007308 2007-007766 2203-000233 2203-000233
Design LOC
R413,R415 R1001,R1002,R112 R408,R416,R423 R419 R301,R302,R303,R501 R601,R604,R605,R314 R411,R418 R405 R1011,R1021,R402 R701,R704,U1006 R404 R603 R1008,R101 R1014,R1019 R1020,R105,R107 R500 R502 R1003,R110,R201,R202 R401,R403,R425,R503 R602,R801 R106 R406 R900,R905 R203 R803 R111 R104 R410 R902,R903,R907,R908 R103 R102,R606 R702,R703 R904 R607,R608 R802 C1011,C1013,C118 C429,C801,C802
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SGH-E300 Electrical Parts List
SEC Code
2203-000233 2203-000233 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000359 2203-000438 2203-000438 2203-000628 2203-000679 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000940 2203-000995 2203-001153 2203-001383 2203-001405 2203-001412 2203-001598 2203-001652 2203-002677 2203-005061 2203-005061 2203-005061 2203-005061 2203-005065 2203-005138 2203-005234 2203-005480 C916 C1017
Design LOC
C803,C811,C812,C813
SEC Code
2203-005482 2203-005482 2203-005496 2203-005509 2203-005509 2203-005571 2203-005682 2203-005682 2203-005682 2203-005682 2203-005682 2203-005682 2203-005682 2203-005682 2203-005682 2203-006053 2203-006053 2203-006257 2404-001086 2404-001105 2404-001151 2404-001225 2404-001268 2703-001513 2703-002485 2703-002608 2703-002207 2801-003856 2804-001577 2809-001260 3705-001287 3709-001229 3710-001816 3711-005212 3722-002082 4302-001130 1205-002433
4-2
Design LOC
C1009,C1014,C614 C1019,C1020,C108 C601,C602,C704 C203,C503,C504,C505 C506 C1022 C209,C211,C212,C213 C217,C218,C220,C222 C223,C225,C226,C227 C230,C232,C234,C235 C236,C237,C238,C239 C240,C241,C243,C244 C246,C247,C248,C249 C251,C252,C254,C256 U1005 C1012,C112,C109 C116,C117,C1001 C204 C405,C413 C106 C431,C909,C910 C1021 C107 L402,L403 L901 L902 C904 OSC601 OSC1000 OSC801 F901 CN101 CN300 CN201 CN400 M101 U800
C1005,C1010,C115 C201,C202,C430,C502 C603,C604,C605,C606 C611,C612,C707,C710 C711,C712,C804,C805 C806,C807,C905,C907 C401 C416,C425,C426,C901 C902 C613,C615 C610 C101,C104,C105 C207,C208,C214,C215 C216,C219,C221,C231 C242,C253 C255,C305,C809 C906,C919 C433 C808,C900,C903 C424 C918 C403,C609,C810 C415 C103,C114 C110,C113 L903 C102,C205,C206,C301 C302,C303,C304,C402 C404,C409,C417,C507 C608,C706,C432 C410,C423,C705 C233,C250 C912,C913,C914,C915 C607,C708,C709
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SGH-E300 Electrical Parts List
SEC Code
GH09-00025A U601 GH13-00020A U1001 NEW-F000001 F900
Design LOC
4-3
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5. SGH-E300 Block Diagrams
1. RF Solution Block Diagram Antenna CSP1093 L PGA RF FILTER A DCS:1805MHz~1880MHz RF FILTER / 2 100KHz N PGA A D C R X A D C CHANNEL FILTER PGA D A C PGA D A C I,Q TRIDENT
GSM:925MHz~960MHz
Si 4205
SERIAL ASM SERIAL DATA INTERFACE DATA, CLK, LE
DSP16000
ARM7TDMI
GSM:890MHz~915MHz D E T PAM T X
I,Q
DCS:1710MHz~1785MHz
TCVCXO 13 MHz IF PLL C L K A F C
RF PLL
UI
5-1
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SGH-E300 Block Diagrams
2. Base Band Solution Block Diagram
POWER (DC/DC,CHARGER, SIM)
X-TAL 13MHz
GPRS TRIDENT ACC DSP16000 RS232 PPI (Programmable Peripheral I/O) GPIO ARM7TDMI IO RWN AB[8:0] DB[15:0] INT1 IRQx PAx RSTB CSP1093 IO RWN AB[8:0] DB[15:0] INT1 IRQx PAx RSTB JTAG TXI/Q RX I/Q TXP SERCK SERLE SERDA OCTL DAICK DAIRN DAIDO DAIDI Audio Part DAI TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL
RF SOLUTION RF IC PAM MAIN VCO TX VCO IF VCO
X-TAL 32.768KHz ARM JTAG/ICE
RTC EMI LCD
DSPJTAG
JTAG/ICE
KEYBOARD
Audio FLASH ROM (64M) SRAM (16M) FLASH ROM (64M) SRAM (16M) B'D B'D conn. LCD Keypad CAMERA Memory part
5-2
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6. SGH-E300 PCB Diagrams
1. Main Top Diagram
C1013
C1020
C244 C254 C256 C243 C239 C240 C220 C218 C217 C241 C225 C248 C226 C227 C251 C252 C230
C1012 C1010 C1014
R1022
CN201
OSC1000
U1001
R1001
C1011 C1009
C238 C222 C232
U1005
C247 C213 C246 C236 C223 C209 C237 C249
C235 C211
C1019
C234
C424 C406
R202 C202 C201 R201
R1002
R1020 R1019
CN400
ZD403
C432
R416R418
C1022 C1021 R1003
C1001
TP103
C1005
ZD402
C905
C423
C705
Q401
R902 R907
C809 C808
L403
R1021 C1017
R310 R308 C305 C303
R419
ZD404
C426
C918 C903
C916
C910
R908 R905 R900 R903 C906 C919 C907
U602
C425
R415
C410
C434
OSC601
C501 C505 C503 C500 R102 C506
V302
R424
U900
C806
R402
C807 R801
R423 R420
C431
C409 R410 C416
R105
ZD401 C433
R101
R313 R708 R709 R312 R309 R706
OSC801
C109 C110 C112 C113
C405
C902 R704 C901 R701
U1007
R404 C403
C917
C900 C904
R904
C813 C812 C811 C810
C402
R110 C115 C101 R106 C108 R107
C909
L903
Q103
CN101
C401 R405
C119
C106
U402
F901
C805 R804
Q100 U101
C107
R104
R406
R302 R301 R303 R307 R707 R306 R314 R305 R304 C304
U703
U702
U102
C116 C117
R1014
F900
U800
L905
C911
ANT701
G2
C114
C203 R203
C204
C913 C912
L901
C413
C417
L900
C915 C914
R425 C430
C118
C804
LED217
C103
C102 C105 C104
6-1
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G3
L902
TP104
C301
C429
C613 C615
CN300
R413 C710 C412 R411 R408
U1002
C704
L402
R500 R604
U500
C709 C706 C711 R702 C701 R703 C712
C708
U601
C212
R503
R502
C502 R111 C504 R501 C507
G4
C302
U1006
R602 C612 R606 C614 R607 R608
R1011
R1008
C707 C803 R803 C801 R802 C802
TP102
C608 C606
C604 C609
M101
PWM
ZD205
G1
U701
V307
C601 C602 C607 R603 R601 R605 C610 C611 C603 C605
C206
C242 C221 C219 C215 C207 C208
U401
LED220
C214
LED202 LED210
UP
RIGHT
F1 I
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LEFT
C205
C250 C231 C233
C404R403 R401
C255 C253 C216
U202
F2
END_PWD
CN203
ZD201
LED208 LED201
SEND
DOWN
CLEAR
LED213
2
LED203 LED207
TP602
4 5
LED222
LED214
6
LED221
LED211
7
LED204
8
LED205
9 0 F4
F3
TRST_1 TDI_1 TMS_1 TCK_1 F_WE_1 ND_2 TDO_1 G
Q104
2. Main Bottom Diagram
ZD312 ZD307 ZD308 ZD303
C415 C411
SGH-E300 PCB Diagrams
Q102
MIC401
R112
ZD306 ZD305 ZD304 ZD302
ZD311 ZD310 ZD309 ZD301 V301
R103
LED212
1
3
6-2
LED219 LED218
SIDE
ZD202
ZD203
ZD204
ELECTRONICS
Samsung Electronics Co.,Ltd. AUG..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.: GH68-05427A BASIC.