Samsung X200 Support Question
Samsung X200 Support Question
Find answers below for this question about Samsung X200 - SGH Cell Phone.Need a Samsung X200 manual? We have 1 online manual for this item!
Question posted by susanontita on February 11th, 2011
Net Work Problem
I have a GT-S5233T Samsung mobile, and i registerd it with a safaricom line(0724638390) I changed and used Airtel line(0739888578) one week ago. Now my phone does not have any network since yesterday evening. Ihave tried to set the network settings but it asks to insert a simcard. Ihave tried with no fail. What can i do? please help.
Thanks.
Susan
Current Answers
Related Samsung X200 Manual Pages
Service Manual - Page 1
Electrical Parts List 5. Exploded Views and Parts List 4. Flow Chart of Troubleshooting 3. PCB Diagrams 6. Block Diagrams GSM TELEPHONE
SGH-X200
GSM TELEPHONE
CONTENTS
1. Specification 2.
Service Manual - Page 4
... Check the clock generation circuit OSC100
2-19 SGH-X200 Flow Chart of OSC100 Freq=26Mhz, Vrms >=300mV
Yes
Check the Initial Operation Yes
END
No Download again
No Charge the battery
No
Check
No
"Power On"
check keypad
key? Power ON
'Power ON' does not work
check the current consumption >= 100mA
Yes
Check...
Service Manual - Page 6
Yes
check the pin CKI of U201 is 2.9V?
Yes
Check the pin #9 of U201 is
LOW? Yes Check the Initial Operation
Yes END
SGH-X200 Flow Chart of OSC100
Freq=26Mhz? Yes
Check the clock signal at pin #3 of Troubleshooting
No
1
Check U201
No
Check
2
R177,R178,R131,C127
No
3
...
Service Manual - Page 8
SGH-X200 Flow Chart of CN103? Sim Part
"Insert SIM" is displayed on the LCD
The voltage is 2.8V
No
Check the U107
1
at the pin#1 of ...
Service Manual - Page 9
...VCCA_2.9V R169
C185
2-6 SGH-X200 Flow Chart of microphone
Yes
Check the reference voltage on mic path
R169 ≒ 2.0V
Yes
No Resolder microphone
No
Resolder or change
1
R169,C185,R148,R149...,R150,R151,
R152,R153,C156,C157,C158,C160,C161
Is microphone OK? MicroPhone does not work Yes
Check the soldered status of ...
Service Manual - Page 10
SGH-X200 Flow Chart of Troubleshooting
1 2
1
2-7
Service Manual - Page 11
No
Check R162, R163 of Troubleshooting
2-1-5.
Speaker Part
There is ≥1V? Voltage is no sound from speaker
Check the connection status of LCD connector
CN201 Yes
Are there any signal at the speaker pad on LCD
PCB? Yes END
No
1
reconnect CN201
Yes Replace the speaker module
No
2
Check U107
2-8 SGH-X200 Flow Chart of U108.
Service Manual - Page 12
SGH-X200 Flow Chart of Troubleshooting
1 2
2-9
Service Manual - Page 13
VBAT
R241
U204
1 GND VIN 8 2 EN OUT 7
3 ILED SW 6
4 FB PGND 5
L201
GND
R258
R242 R257
C224
9
C223
LED+ C225
2-10 SGH-X200 Flow Chart of Troubleshooting
2-1-6. Yes END
No Select backlight "15 sec" mode
No Check FPCB
No Check the LCD
LED_EN LED-
Yes Check conecting between ...
Service Manual - Page 14
...
Check U102 pin 13 = 2.9V
Yes
Resolder or change U201
SGH-X200 Flow Chart of Troubleshooting
No
Check ANT, R198,R199,C104,L113
1
No
Resolder or change CN100, C102,L100,L101,L111
2
No
Resolder or change U100
3
No
Resolder or change F101,C105,C109,L104
4
No
Resolder or change U107
5
2-11 GSM Rx
CONTINOUS RX ON RF...
Service Manual - Page 15
SGH-X200 Flow Chart of Troubleshooting
1 2
3 4
5
2-12
Service Manual - Page 16
... ? Yes
Check U102 pin 19,20 ≥-
65dBm ? Yes
Check U100 pin 18 ≥ -65
dbm ? Yes
Check U102 pin 13 = 2.9V
Yes
Resolder or change U201
SGH-X200 Flow Chart of Troubleshooting
No
Check ANT, R198,R199,C104,L113
1
No
Resolder or...
Service Manual - Page 17
SGH-X200 Flow Chart of Troubleshooting
1 2
3 4
5
2-14
Service Manual - Page 18
...
Check U102 pin 13 = 2.9V
Yes
Resolder or change U201
SGH-X200 Flow Chart of Troubleshooting
No
Check ANT, R198,R199,C104,L113
1
No
Resolder or change CN100, C102,L100,L101,L111
2
No
Resolder or change U100
3
No
Resolder or change F103,C122,C125,L106
4
No
Resolder or change U107
5
2-15
Yes
Check U102 pin 17,18...
Service Manual - Page 19
SGH-X200 Flow Chart of Troubleshooting
1 2
3 4 5
2-16
Service Manual - Page 20
SGH-X200 Flow Chart of Troubleshooting
CN100
4G 3C 2A 1G
13 GND1 15 GND2 17 GND3 19 GND4 21 GND5
C100
L110
C101
L100
2 10 3
C102
...
Service Manual - Page 21
...change or resolder
Yes
U102
7
change
11
3
U100 pin 7 : 3.7V ? SGH-X200 Flow Chart of Troubleshooting
2-2-4.
GSM Tx
Check U102 pin 15 : about -5dbm?
Yes
U100 pin 12 :
about
2~3 dbm? Yes
U100 pin 11 : about 4~5dbm?
2
No Check and change...REF LEV : 10dBm
ATT : 20dB
Yes
U102
3
check & change or resolder
2-18 Yes
1 Check and change
7
3
7
No
5
U107 check
68
No
2
45
...
Service Manual - Page 23
Cellular phone Exploded View
QFR01
QKP01
QMP01 QME01 QAN05
QAN02
QRE01 QRF03 QVO01 QRF01 QCR05 QBA01
QIF01 QME07
QMI03 QMI03 QCR06 QSC02
3-1 SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
QFU01
QIF02 QLC01 QSP01 QMO01 QSC26 QFL01
QMW02
QBA00 3. SGH-X200 Exploded View and Parts List
3-1.
Service Manual - Page 24
...-00154A GH92-02348A GH72-24569A GH74-17894A GH73-05511A GH72-24570A 3001-001830 GH42-00653A GH75-07952A GH75-07950A GH72-24572A GH75-07949A GH72-24566A
3-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization SGH-X200 Exploded View and Parts List
3-2.
Service Manual - Page 36
SGH-X200 Main Electrical Parts List
SEC Code ...CARD EDGE
CN101
CONNECTOR-INTERFACE
CN201
HEADER-BOARD TO BOARD
CN104
CONNECTOR-BATTERY
CN102
JACK-EAR PHONE
M300
BATTERY-LI(2ND)
U201
IC MICOM-SGHX480
MICROPHONE-ASSY-6.25MM
PCB MAIN-SGHX200
UNIT-...SA SA SA SNA SA SA
4-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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