Samsung SGH-E310 Manuale utente
GSM TELEPHONE
SGH-E310
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
SAMSUNG Proprietary-Contents may change without notice
1. SGH-E310 Specification
This Document can not be used without Samsung's authorization
1-1
GSM900
Phase 1 EGSM 900
Phase 2 DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink 890~915
935~960 880~915
925~960 1710~1785
1805~1880 1850~1910
1930~1990
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 Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
1. GSM General Specification
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Specification
1-2
This Document can not be used without Samsung's authorization
TX Power
control level GSM900
5 33±2dBm
6 31±2dBm
7 29±2dBm
8 27±2dBm
9 25±2dBm
10 23±2dBm
11 21±2dBm
12 19±2dBm
13 17±2dBm
14 15±2dBm
15 13±2dBm
16 11±3dBm
17 9±3dBm
18 7±3dBm
19 5±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
TX Power
control level PCS1900
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
2. GSM TX power class
SAMSUNG Proprietary-Contents may change without notice
2. SGH-E310 Flow Chart of Troubleshooting
2-1
This Document can not be used without Samsung's authorization
1.Baseband
1. Power ON
Check the current
consumption more
than 100mA
'Power On' does not work
Check the Voltage
more than 3.3V
Download again
Charge the Battery
Check the pin
11 of U102 is more
than 2.8V
Check U102 and C117
U102 pin 39
=2.8V Check U102 and C116
Check the clock
signal at pin4 of
OSC801
Freq=13MHz ?
Vrms≥300mV ?
Vpp is around
900mVpp ?
Check the clock generation
circuit
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
U102 pin 9
=1.8V
No
Yes
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-2
This Document can not be used without Samsung's authorization
2. Initial
3. Sim Part
Check the signal at the
pin19ofU102is
"High" when the phone
is boot on
Initial Failure
Check U102
END
No
Yes
Check the pin 22 of
U102 is "High"
Yes
Check the U701
Check the pin 4 of
OSC801 is around 2.8V
Check the soldered status of
OSC801,R801,U102
Yes
No
Yes
Check LCD connector CN201,
and resolder bridge
Yes
No
Check the pin 1 of
CN101. voltage 3V ?
Phone can't access SIM card
Check the SIM
connector's (CN101)
connection to SIM
card
Check the circuit related to
U102
Resolder or change CN101
Check the circuit around CN101
input
circuitry
END
No
Yes
Yes
Yes
Yes
No
Check the related circuit of
CN101
No
Check the circuit around U601
output
and vlotage supply circuitry
Yes
Check the related circuit of
U601 and U102
No
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-3
This Document can not be used without Samsung's authorization
4. Charging Part
Check the pin 17, 18
of CN300 is
TA_VEXT>4?
Abnormal charging part
Check the pin 2 of
Q102 is "low"?
Replace TA,Check CN300
Check the Q102
Check the Q100
END
No
Yes
Yes
Yes
Yes
No
No
Check the pin 3 of
Q100 is "low"?
Check the pin 5 of
Q102 is "3.2~4.2V"? Check the Q102
No
Yes
Check the ICHRG is
1V(during charging)
and around 180mV(full
charging)?
No
Resolder or change R102
Yes
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-4
This Document can not be used without Samsung's authorization
(Picture 1)
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-5
This Document can not be used without Samsung's authorization
(Picture 2)
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-6
This Document can not be used without Samsung's authorization
(Picture 3)
SAMSUNG Proprietary-Contents may change without notice
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams
2-7
This Document can not be used without Samsung's authorization
5. Microphone Part
6. Speaker Part
check the soldered
status of microphone.
Microphone does not work
Check the reference
voltage on mic path
C431 ≒ 2.0 V
Resolder microphone
Resolder or change
R424,C431,R413,C410,R408,R411
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check U701
Check the connection
from CN201 to LCD
module
Speaker does not work
Check the PIN 4
and PIN 8 of
U401='High'?
Check the circuit related to U401
Check U601
Is speaker ok?
Check U701
END
No
Yes
Yes
Yes
Yes
No
No
Is speaker ok?
Change Speaker
Yes
No
Indice
Altri manuali Samsung Telefono cellulare
Samsung
Samsung SGH-R225 Manuale utente
Samsung
Samsung SGH-J200 Manuale utente
Samsung
Samsung Emporio Armani Manuale utente
Samsung
Samsung SGH-D410C Manuale utente
Samsung
Samsung SM-A256B Istruzioni per il montaggio
Samsung
Samsung SCH-A601 Manuale utente
Samsung
Samsung SGH-A217 Manuale utente
Samsung
Samsung SM-G530F Manuale utente
Samsung
Samsung 11252009_D5 Manuale utente
Samsung
Samsung Galaxy Z Fold2 5G Manuale utente
Samsung
Samsung SGH E100 Manuale utente
Samsung
Samsung SGH-A500 Manuale utente
Samsung
Samsung SM-A9100 Manuale utente
Samsung
Samsung SGH-I437P Guida utente
Samsung
Samsung GT-I9152 Manuale utente
Samsung
Samsung GT-E1195L Manuale utente
Samsung
Samsung SCH-W169 Manuale utente
Samsung
Samsung Galaxy S7 Manuale utente
Samsung
Samsung SM-A525M/DS Manuale utente
Samsung
Samsung SM-G3518 Manuale utente
