Samsung SGH-S410i service manual, samsung service manuals schematy serwisowki
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GSM TELEPHONE
SGH-S410i
GSM TELEPHONE
CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. PCB Diagrams
6. Block Diagrams
1. SGH-S410i Specification
1-1. GSM General Specification
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-
1
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SGH-S410i Specification
1-2. GSM TX power class
TX Power
control level
GSM900
TX Power
control level
DCS1800
TX Power
control level
PCS1900
5
33±2 dBm
0
30±3 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4 dBm
11
8±4 dBm
17
9± 3dBm
12
6±4 dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
14
2±5 dBm
15
0±5 dBm
15
0±5 dBm
1-
2
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2. SGH-S410i Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
'Power ON' Does not work
Check the current consumption
Current consumption
≥
100mA ?
NO
Download again
YES
Check the Vbat voltage
Voltage
≥
3.3V ?
NO
Charge the Battery
YES
Check the pins of U401
C415
≥
1.8V ?
NO
Check U401 and C415
YES
C418 and C419 = 2.9V?
NO
YES
NO
C420=1.5V?
Check U401 and C420
YES
Checktheclocksignal
at pin#3 of OSC101
Freq.=13MHz,Vrms
≥
300mV
NO
Checktheclockgeneration
circuit (OSC101, F100 pin#4)
YES
Check the Initial operation
END
2-1
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SGH-S410i Flow Chart of Troubleshooting
VRTC_2.9V
VRTC
H11
VSIM
G12
LED2_DRV
KEY_BL2
KEY_BL1
VCCB_2.9V
LED1_DRV
G13
VCCD_1_8
VCCA_2.9V
VRF_2.9V
VCCD_2.9V
VCCD_1_5
RING_DRV
F13
VIB_DRV
F15
VLDO_7
C12
MOT
VLDO_6
A14
VL5S_B
C9
VL5S_A
D10
VLDO_5
B10
R405
VL4S_B
B11
DCS_TX_EN
GSM_TX_EN
C414
VL4S_A
A12
VLDO_4
B12
VLDO_3
A13
VLDO_2
J12
VLDO_1
G11
M400
VACC
F14
CSN_PSC
K8
UP_CS
UP_SDO
UP_SDI
SCLK_PSC
SDI_PSC M7
L8
UP_SCLK
C415
C416
C417
C418
C419
C420
C421
SDO_PSC
N7
VEXT
E14
VRF_2.9V
VRF_2.9V
L109
R124
C125
C126
R108
F100
R109
1
4
AFC
VT
VCC
1
5
C127
NC
VCC
CLK13M_TR
2
GND
OUT
3
2
A
3
GND
C128
R110
C129
4
C131
OSC101
Y
CLK13M_MC
C132
R111
C133
CLK13M_YMU
R112
CLK13M_RF
2-
2
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VSIM
K12
VBAT
E13
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