Samsung SGH-X200 service manual(1), Samsung
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GSM TELEPHONE
SGH-X200
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-X200 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
-
1-2
SGH-X200 Speclflcation
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±4dBm
11
8±4dBm
17
9±3dBm
12
6±4 dBm
12
6±4 dBm
18
7±3 dBm
19
5±3 dBm
13
4±4 dBm
13
4±4 dBm
14
2±5 dBm
14
2±5 dBm
15
0±5 dBm
15
0±5 dBm
1-2
2. SGH-X200
Flow Chart of Troubleshooting
2-
1. Baseband
2-1-1. Power ON
'Power ON' does not work
check the current
consumption
>= 100mA
No
Download again
Yes
Check the Voltage
of the Battery
>= 3.3V
No
Charge the battery
Yes
Check the pin C152,
C153,C155,C168 of
U107 is
>=2.8V
No
Check
"Power On"
key?
No
check keypad
Yes
1
check
U107
and
C153
Yes
Checktheclocksignalat
pin #4 of OSC100
Freq=26Mhz,
Vrms >=300mV
No Check the clock generation
circuit OSC100
2
Yes
Check the Initial Operation
Yes
END
2-19
SGH-X200 Flow Chart of Troubleshooting
VRF_2.9V
VCCA_2.9V
VCCD_2.9V
VBAT
C152
C153
C155
DSP_DB(0:15)
C162
VDD34
C11
VDD12
J13
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
D2 DB15
UP_CLK
N9
SIMCLK
D3
DB14
UP_RST
R10
SIMRST
E3
DB13
UP_IO
P10
SIMDATA
E2 DB12
J11
SIM_IO
K11
SIM_RST
SIM_IO
SIM_CLK
F3
DB11
SIM_RST
F2 DB10
SIM_CLK
K14
F1
DB9
F4
DB8
1
2
2-2
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