GSM TELEPHONESGH-X300
GSM TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Main Electrical Parts List
5. PCB Diagrams
6. Block Diagrams
※ Disassembling Manual
※ Assembling Manual
Samsung Electronics Co.,Ltd.
Code No.: GH68-09643A2006. 03. Rev.1.0
ⓒThis Service Manual is a property of Samsung Electronics Co.,Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or domestic law.
1. SGH-X300 Specification
1-1
1-1. GSM General Specification
GSM900Phase 1
EGSM 900Phase 2
DCS1800Phase 1
PCS1900
Freq. Band[MHz]Uplink/Downlink
890~915935~960
880~915925~960
1710~17851805~1880
1850~19101930~1990
ARFCN range 1~1240~124 &975~1023
512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/Bit Period
270.833kbps3.692us
270.833kbps3.692us
270.833kbps3.692us
270.833kbps3.692us
Time SlotPeriod/Frame
Period
576.9us4.615ms
576.9us4.615ms
576.9us4.615ms
576.9us4.615ms
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 -
SGH-X300 Speclflcation
1-2
1-2. GSM Tx Power Class
TX Powercontrol level GSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Powercontrol level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Powercontrol level PCS1900
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
2. SGH-X300 Flow Chart of Troubleshooting
2-1
2-1. Baseband2-1-1. Power ON
check the currentconsumption
>= 100mADownload again
'Power ON' does not work
No
Yes
Yes
END
Yes
Check the Initial Operation
Yes
Charge the batteryNoCheck the Voltage
of the Battery>= 3.3V
check keypadNoCheck the pin C152,
C153,C155,C168 ofU107 is>=2.8V
Check"Power On"
key?
No
check U200 and C200Yes 1
Check the clock signal at
pin #4 of OSC100
Freq=26Mhz,
Vrms >=300mV
No Check the clock generation
circuit OSC100
Yes
2
SGH-X300 Flow Chart of Troubleshooting
2-2
1
2
C201
G5
VSS1
K4
VSS2
R2
VSS3
P6VS
S4
A6
VDD
B
VDD
DN
11
L11
VDD
V
N5
VDD
_IO
1J4
VDD
_IO
2
C4
VDD
_OC
TL
M3
N6
VDD
3
B4
GN
D_O
CTL
F8G
ND
S2F9
GN
DS3
F10
GN
DS4
G7
GN
DS5
GN
DS6
G8
G9
GN
DS7
G10
GN
DS8
H6
GN
DS9
P13
GN
DV
F6G
ND
B
M10
GN
DD
F7G
ND
S1
H7
GN
DS1
0G
ND
S11
H8
D13
AU
X_A
DC
3
C200
VCCD VCCA
SGH-X300 Flow Chart of Troubleshooting
2-3
2-1-2. Initial
Initial Failure
check the pinRSTB of U300 is
LOW?Check U300
No
Yes
Yes
END
Yes
Check the Initial Operation
Yes
Check
R103,R107,R200,C130
Nocheck the pin CKIof U300 is 13Mhz?
Check the clock signal
at pin #3 of OSC100
Freq=26Mhz?
Nocheck OSC100
1
Check the pin #9 of U300
is HIGH and pin #11,
#13 is 2.9V?
NoCheck U200
Yes
2
3
4
SGH-X300 Flow Chart of Troubleshooting
2-4
VRTC
C305
VCC_1.8A
C306 C307 C308
VCCD
VCC_1.8A
F10
XVR
EF
E15
VSS_
DPL
L
E10
VSSA
U15
VDD
EVD
DE
U16
N16
VDD
EVD
DE
E16
E17
VDD
E
VDD
_DPL
LG
16
VRTC
D8
VSS
A5
VDD
VDD
C16
VDD
AC
11
B1
VDD
E
VDD
EB
14
VDD
EM
1U
2VD
DE
VDD
EP8E2G
1VD
DVD
DR
1R
4VD
DVD
DT1
3R
16VD
DVD
DR
17
RST
BC
12
F12TDO F15
VDD
F17
CK
I
VCCD
VREFCLK13M_TR
DSP_TDO
TR_RST
R106
R107
C130
R103
C131
R104
13MHZ_BB CLK13M_TR
CLK13M_MC
CLK13M_YMU
23
14
SGH-X300 Flow Chart of Troubleshooting
2-5
2-1-3. Sim Part
"Insert SIM" is displayed on the LCD
Is there any signalpin #2,3,4 of CN200?
Check the U200
Check the U200 & U300
END
No
Yes
No
Yes
1
2
Check the SIM Card
The voltage is 2.8V
at the pin#1 of CN200
C206 C208
7GG
89GG
10
C207
CN200
1122
334 45 56 6
UP_IOR10UP_RST
J13VDD12
C11VDD34
C10
VDD
5B
13VD
D67
K14SIM_CLK
J11SIM_IOK11SIM_RST
N9UP_CLK
P10
C205
C203
VBAT
C204
SIMDATA
SIMCLKSIMRST
SGH-X300 Flow Chart of Troubleshooting
2-6
SGH-X300 Flow Chart of Troubleshooting
2-7
2-1-4.Microphone Part
* Call with Sim before testing.
Check the solderedstatus of microphone
MicroPhone does not work
Resolder microphone
END
No
Yes
Yes
Check the referencevoltage on mic path
R414 ≒ 2.0V
Yes
Resolder or changeNo
Is microphone OK?
Yes
Check U200No
1
2
SGH-X300 Flow Chart of Troubleshooting
2-8
V411
R414
C412
C405
VCCA
R412
C406
R408
R413
R415
R409
C401
C404
L400
C409
L401
R402
R410
C407
MIC1
C411
R406
C400 V410
R404
C402
C408
R401
C403
MICINP
MICOUTP
MIC+
MIC+
MICMICOUTN
MICINN
1
2
SGH-X300 Flow Chart of Troubleshooting
2-9
2-1-5. Speaker Part
Check the connectionstatus of LCD connector
CN800
There is no sound from speaker
Are there any signal atthe speaker pad on LCD
PCB?
reconnect CN800
Replace the speaker module
END
No
Yes
No
No
Yes
Check R403, R405 ofU400. Voltage is ≥1V?
1
Yes
Check U6002
SGH-X300 Flow Chart of Troubleshooting
2-10
1
2
SGH-X300 Flow Chart of Troubleshooting
2-11
2-1-6. LCD backlight
Backlight ON "TIME"mode in the menu?
Backlight does not work
Check conectingbetween PBA and LCD
conector
Select backlight "15 sec" mode
Check FPCB
END
No
Yes
No
Check U701 pin #8 =10V ? Check the LCD
Yes
Yes
No
L701
R716
Q7003D
1G 2S
VIN 3
VFB4
TEST
5
GN
D
6
SW7
VOUT8
GN
D
9
U702
EN 1
GN
DA
2
R717 R719
V717
C704
C705
VBAT
LED-
LED+
BL_DIM
LED_EN
SGH-X300 Flow Chart of Troubleshooting
2-12
2-2. RF2-2-1. GSM Rx
Normal conditioncatch the
channel ?
Check U102pin 12 ≥ -65
dbm ?
Check U101pin 21,22 ≥-
65dBm ?
Yes
No
No
Check U102pin 16 ≥ -65
dbm ?
Yes
No
Yes
Check ANT, R101,R102,C104,L102
Resolder or changeCN100, L101, L102, C100, C105, C106
Resolder or changeU102
Resolder or changeF100
Resolder or change
U300
CONTINOUS RX ONRF INPUT : 62CH
AMP : -50dbm
Check U101pin 13 = 2.9V
Yes
Resolder or changeU200
Yes
No
No
1
2
3
4
5
SGH-X300 Flow Chart of Troubleshooting
2-13
1
2
3
4
5
SGH-X300 Flow Chart of Troubleshooting
2-14
2-2-2. DCS Rx
Normal conditioncatch the
channel ?
Check U102pin 12 ≥ -65
dbm ?
Check U101pin 19,20 ≥-
65dBm ?
Yes
No
No
Check U102pin 18 ≥ -65
dbm ?
Yes
No
Yes
Check ANT,R101,R102,C104,L102
Resolder or changeCN100, L101, L102, C100, C105, C106
Resolder or changeU102
Resolder or changeF100
Resolder or change
U300
CONTINOUS RX ONRF INPUT : 698CH
AMP : -50dbm
Check U101pin 13 = 2.9V
Yes
Resolder or changeU200
Yes
No
No
1
2
3
4
5
SGH-X300 Flow Chart of Troubleshooting
2-15
1
2
3
4
5
SGH-X300 Flow Chart of Troubleshooting
2-16
2-2-3. PCS Rx
CONTINOUS RX ONRF INPUT : 660CH
AMP : -50dbm
Normal conditioncatch the
channel ?Check ANT,R101,R102,C104,L102
No1
Yes
Check U102pin 12 ≥ -65
dbm ?2Resolder or change
CN100, L101, L102, C100, C105, C106No
Yes
Check U102pin 18 ≥ -65
dbm ?Resolder or change
U102No
3
Yes
Check U101pin 19,20 ≥-
65dBm ?4
No Resolder or changeF100
Yes
Check U101pin 13 = 2.9V
No Resolder or changeU200 5
Yes
Resolder or change
U300
SGH-X300 Flow Chart of Troubleshooting
2-17
1
2
3
4
5
SGH-X300 Flow Chart of Troubleshooting
2-18
C100
C108
C103
L100
CN
100K
MS-512
2A
C3
G1
G4
VBA
T
R108
C101
C109
C106
L102
C111
R101
GSM
IN4
GSM
OU
T11
19
RSVDVAPC
20
VBATT
17
VCC
1A2
VCC
1B6
GNDGND
78GNDGND
9GND
10
16G
ND
GN
D14 13
GN
DG
ND
12
U102
1B
S
3D
CS/PC
SINDC
S/PCSO
UT
15
ENABLE
18
5G
ND
21
L103C
105
C133
C134
TP103
8G
SMR
X_1G
SMR
X_29
3G
SM_TX
PCSR
X_11213
PCSR
X_2
VC1
42VC
2VC
35
F100
6AN
T
10D
CSR
X_1D
CSR
X_211
D|PC
STX1
G7
G
14
C110
C104
C102
C135
R100
R102
DC
S_Rx2
DC
S_Rx1
PCS_R
x2PC
S_Rx1
L101
GSM
_PAM
_IN
TX_BA
ND
_SEL
TX_EN
TXPOW
ER
EGSM
_Rx1
DC
S_PAM
_IN
DC
S_TX_ENG
SM_TX_EN
PCS_R
X_EN
EGSM
_Rx2
SGH-X300 Flow Chart of Troubleshooting
2-19
2-2-4. GSM Tx
Check U101pin 15 : about
2~3 dbm?
Check U101pin 6 : 2.8V ?
Check andchange
CN100, L100
Yes
Check andchange
U300,U200
No
CONTINUS TX ON CONDITION
TX POWER DAC : 554 CODEAPPLIED
CH : 62chRBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV : 10dBmATT : 20dB
U102 pin 11 :about 4~5dbm?
Yes
No
Yes
U102 pin 7 :3.7V ?
U101check & change
No Battery, U200check & change
Yes
U102 pin 8 :1.2V ?
NoU200 check
Yes
U102 pin 6 :3V ?
NoU200 check
U101 pin 12,13,28,29 : 2.9V ?U102
change or resolder
U200change or resolder
No
Yes
U101change or resolder
Yes
U102 pin 12:
about -5dbm?
No
Yes
No
1
2
3
4
4
4
4
3
SGH-X300 Flow Chart of Troubleshooting
2-20
422
1
3
SGH-X300 Flow Chart of Troubleshooting
2-21
2-2-5. DCS/PCS Tx
2
Check U101pin 15 : about
2~3 dbm?
Check andchange
U300,U200
Check U101pin 6 : 2.8V ?
No No
Yes
U102 pin 11 :about 4~5dbm?
Yes
1 NoCheck and
changeCN100, L100
Yes
U102 pin 7 :3.7V ?
No
Yes
U102 pin 8 :1.2V ?
No
Yes
U102 pin 12:
about -5dbm?
No
Yes
U102 pin 6 :3V ?
No
U101 pin 12,13,28,29 : 2.9V ?
Yes No
U102change or resolder
Yes
CONTINUS TX ON CONDITION
TX POWER DAC : 560 CODEAPPLIED
CH : 698CH(DCS),660CH(PCS)
RBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV : 10dBmATT : 20dB
U101check & change
3
Battery, U200check & change
4
U200 check4
U200 check4
U101change or resolder
3
U200change or resolder
4
SGH-X300 Flow Chart of Troubleshooting
2-22
422
1
3
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3. SGH-X300 Exploded View and Parts List
1
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3-1. Cellular phone Exploded View and Parts list
QFU01
QLC01QSP01
QFL01
QHI01
QCR20
QSC01
QMW02
QFR01
QVO01
QKP01
QMI01
QAN02
QRF03
QRE01
QIF01
QCR21
QBA01
QBA00
QME01
QMO01QMP01
QVK01
QAN05
QCR05
QRF01
QMI03
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SGH-X300 Exploded View and Parts List
2
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Location No Description Sec CodeQAN02 INTENNA-SGHX300 GH42-00747AQAN05 MEC-INTENNA CONN RUBBER GH75-08200AQBA00 PMO-COVER BATT GH72-27326AQBA01 INNER BATTERY PACK-800MAH,BLK, GH43-01850AQCR05 SCREW-MACHINE 6001-001478QCR20 SCREW-MACHINE 6001-001429QCR21 SCREW-MACHINE 6001-001507QFR01 MEC-CASE FRONT(EU/BLK) GH75-08746AQFU01 MEC-CASE F/UPPER(EU/BLK) GH75-08748AQIF01 PMO-COVER IF GH72-27402AQKP01 MEC-KEYPAD(SER/BLK) GH75-08870AQLC01 LCD-LCD MODULE GH07-00845AQME01 UNIT-METAL DOME GH59-02856AQMI01 MICROPHONE-ASSY-SGHX300 GH30-00242AQMI03 RMO-RUBBER CUSHION MIC GH73-05982AQMO01 MOTOR DC-SGHE720 GH31-00136AQMP01 PBA MAIN-SGHX300 MAIN GH92-02546AQMW02 PCT-COVER MAIN WINDOW GH72-27405AQRF01 MPR-TAPE RF CAP GH74-19651AQSC01 RMO-RUBBER SCREW CAP GH73-05981AQSP01 SPEAKER 3001-001913QVK01 UNIT-VOLUME KEY GH59-02857AQVO01 PMO-VOLUME KEY GH72-27403AQFL01 MEC-CASE F/LOWER(EU/BLK) GH75-08749A QHI01 MEC-HINGE ASSY GH75-09442A
QRE01 MEC-CASE REAR(EU/BLK) GH75-08747A QRF03 PMO-COVER EAR GH72-27401A
SAMSUNG Proprietary-Contents may change without notice
SGH-X300 Exploded View and Parts List
3
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Description Sec CodeBAG PE 6902-000634
ADAPTOR-SGHD500 BLK GH44-00954AUNIT-EARPHONE(BLK) GH59-02472A
LABEL(P)-WATER SOAK GH68-02026AMANUAL-WARRANTY CARD GH68-02623A
MANUAL-SFC GH68-04336ALABEL(P)-BARCODE RUSSIA GH68-08494A
LABEL(R)-MAIN(SER) GH68-09010DMANUAL USERS-EU RUSSIAN GH68-09036A
CUSHION-CASE(1-2) GH69-03551ABOX(P)-SGHX300(SER) GH69-03565E
MPR-VINYL BOHO F/LOWER GH74-05004BMPR-BOHO VINYL LCD CONN GH74-15350A
MPR-TAPE FPCB HOLE GH74-19652AMPR-VINYL BOHO LCD GH74-19660AMPR-TAPE EMI PBA 1 GH74-21765AMPR-TAPE EMI PBA 2 GH74-21766AMPR-TAPE EMI PBA 3 GH74-21767A
MPR-TAPE INSULATION JTAG GH74-21768AMPR-TAPE INSULATION PBA GH74-21769A
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SGH-X300 Exploded View and Parts List
4
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3-2. Test Jig (GH80-03304A)
3-3-3. Serial Cable
3-3-4. Power Supply Cable
3-3-5. DATA CABLE
(GH39-00127A)
3-3-1. RF Test Cable
(GH39-00283A)
3-3-2. Test Cable
(GH39-00304A)
3-3-6. TA
(GH44-00954A)
SAMSUNG Proprietary-Contents may change without notice
4. SGH-X300 MAIN Electrical Parts List
1
This Document can not be used without Samsung's authorization
Design LOC Discription SEC Code STATUSBAT20 BATTERY-LI(2ND) 4302-001130 SA
BTC800 HEADER-BATTERY 3711-006084 SAC101 C-CER,CHIP 2203-002668 SAC103 C-CER,CHIP 2203-000995 SAC105 C-CER,CHIP 2203-000254 SAC107 C-CER,CHIP 2203-005288 SAC108 C-CER,CHIP 2203-000254 SAC109 C-CER,CHIP 2203-000438 SAC111 C-CER,CHIP 2203-002677 SAC112 C-TA,CHIP 2404-001449 SAC113 C-CER,CHIP 2203-000254 SAC114 C-CER,CHIP 2203-000530 SAC115 C-CER,CHIP 2203-000438 SAC116 C-CER,CHIP 2203-005482 SAC117 C-CER,CHIP 2203-000854 SAC118 C-CER,CHIP 2203-000278 SAC119 C-CER,CHIP 2203-005234 SAC120 C-CER,CHIP 2203-000233 SAC121 C-CER,CHIP 2203-005234 SAC122 C-CER,CHIP 2203-005234 SAC123 C-CER,CHIP 2203-005234 SAC124 C-CER,CHIP 2203-005281 SAC125 C-CER,CHIP 2203-005281 SAC126 C-CER,CHIP 2203-005482 SAC127 C-CER,CHIP 2203-000386 SAC128 C-CER,CHIP 2203-000812 SAC129 C-CER,CHIP 2203-005482 SAC201 C-CER,CHIP 2203-000254 SAC202 C-CER,CHIP 2203-001072 SAC203 C-CER,CHIP 2203-005482 SAC204 C-CER,CHIP 2203-006324 SAC205 C-CER,CHIP 2203-000812 SAC206 C-CER,CHIP 2203-000812 SAC207 C-CER,CHIP 2203-000812 SAC208 C-CER,CHIP 2203-005061 SAC209 C-CER,CHIP 2203-006183 SAC210 C-CER,CHIP 2203-000233 SAC211 C-TA,CHIP 2404-001240 SAC212 C-CER,CHIP 2203-006183 SAC213 C-CER,CHIP 2203-006562 SAC214 C-CER,CHIP 2203-006562 SAC215 C-CER,CHIP 2203-006562 SAC216 C-CER,CHIP 2203-006562 SAC217 C-CER,CHIP 2203-006562 SAC218 C-CER,CHIP 2203-000254 SAC219 C-CER,CHIP 2203-005061 SAC220 C-CER,CHIP 2203-000254 SA
SAMSUNG Proprietary-Contents may change without notice
SGH-X300 Main Electrical Parts List
2
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Design LOC Discription SEC Code STATUSC221 C-CER,CHIP 2203-005819 SAC223 C-CER,CHIP 2203-005061 SAC224 C-TA,CHIP 2404-001415 SAC225 C-TA,CHIP 2404-001415 SAC300 C-CER,CHIP 2203-000254 SAC301 C-CER,CHIP 2203-000254 SAC302 C-CER,CHIP 2203-000254 SAC303 C-CER,CHIP 2203-000254 SAC304 C-CER,CHIP 2203-006260 SAC305 C-CER,CHIP 2203-005061 SAC306 C-CER,CHIP 2203-000679 SAC307 C-CER,CHIP 2203-000254 SAC308 C-CER,CHIP 2203-001405 SAC309 C-CER,CHIP 2203-000254 SAC310 C-CER,CHIP 2203-000254 SAC311 C-CER,CHIP 2203-000254 SAC312 C-CER,CHIP 2203-000254 SAC313 C-CER,CHIP 2203-006260 SAC315 C-CER,CHIP 2203-000330 SAC316 C-CER,CHIP 2203-000330 SAC317 C-CER,CHIP 2203-006626 SAC401 C-CER,CHIP 2203-000330 SAC402 C-CER,CHIP 2203-000812 SAC403 C-CER,CHIP 2203-006260 SAC404 C-CER,CHIP 2203-000812 SAC405 C-CER,CHIP 2203-000995 SAC406 C-CER,CHIP 2203-000628 SAC407 C-CER,CHIP 2203-000425 SAC408 C-CER,CHIP 2203-006260 SAC409 C-CER,CHIP 2203-000330 SAC410 C-CER,CHIP 2203-000812 SAC411 C-CER,CHIP 2203-005061 SAC412 C-TA,CHIP 2404-001414 SAC413 C-CER,CHIP 2203-000233 SAC414 C-CER,CHIP 2203-005482 SAC415 C-TA,CHIP 2404-001415 SAC417 C-TA,CHIP 2404-001415 SAC418 C-CER,CHIP 2203-000995 SAC419 C-CER,CHIP 2203-000278 SAC420 C-CER,CHIP 2203-005482 SAC421 C-CER,CHIP 2203-000330 SAC422 C-CER,CHIP 2203-000330 SAC424 C-CER,CHIP 2203-000254 SAC425 C-CER,CHIP 2203-001405 SAC501 C-CER,CHIP 2203-000940 SAC502 C-TA,CHIP 2404-001415 SAC503 C-CER,CHIP 2203-005061 SA
SAMSUNG Proprietary-Contents may change without notice
SGH-X300 Main Electrical Parts List
3
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Design LOC Discription SEC Code STATUSC504 C-CER,CHIP 2203-006091 SAC506 C-CER,CHIP 2203-006260 SAC507 C-CER,CHIP 2203-000585 SAC508 C-CER,CHIP 2203-005061 SAC509 C-CER,CHIP 2203-005061 SAC510 C-CER,CHIP 2203-006190 SAC511 C-CER,CHIP 2203-000438 SAC512 C-CER,CHIP 2203-006208 SAC513 C-CER,CHIP 2203-005061 SAC514 C-CER,CHIP 2203-006562 SAC515 C-CER,CHIP 2203-000233 SAC516 C-CER,CHIP 2203-000679 SAC517 C-CER,CHIP 2203-006257 SAC518 C-CER,CHIP 2203-006257 SAC519 C-CER,CHIP 2203-006208 SAC520 C-CER,CHIP 2203-005482 SAC521 C-CER,CHIP 2203-001405 SAC522 C-CER,CHIP 2203-001405 SAC600 C-CER,CHIP 2203-000233 SAC601 C-CER,CHIP 2203-005061 SAC602 C-CER,CHIP 2203-000233 SAC603 C-CER,CHIP 2203-005061 SAC604 C-CER,CHIP 2203-000254 SAC700 C-CER,CHIP 2203-006324 SAC701 C-CER,CHIP 2203-006361 SAC702 C-CER,CHIP 2203-005482 SAC703 C-CER,CHIP 2203-005482 SAC704 C-TA,CHIP 2404-001450 SAC705 C-CER,CHIP 2203-006562 SAC706 C-CER,CHIP 2203-006361 SAC707 C-CER,CHIP 2203-006208 SAC708 C-CER,CHIP 2203-006562 SAC709 C-CER,CHIP 2203-006324 SAC800 C-CER,CHIP 2203-005482 SAC801 C-CER,CHIP 2203-000359 SAC802 C-CER,CHIP 2203-000359 SAC803 C-CER,CHIP 2203-005482 SAC804 C-CER,CHIP 2203-000254 SAC805 C-CER,CHIP 2203-000438 SAC807 C-CER,CHIP 2203-000854 SA
CON100 CONNECTOR-COAXIAL 3705-001358 SAD714 DIODE-TVS 0406-001210 SAD715 DIODE-TVS 0406-001210 SAD716 DIODE-TVS 0406-001210 SA
EAR400 JACK-EAR PHONE 3722-002356 SAF100 DUPLEXER-FEM 2911-000030 SNAF800 FILTER-EMI SMD 2901-001311 SA
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SGH-X300 Main Electrical Parts List
4
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Design LOC Discription SEC Code STATUSF801 FILTER-EMI SMD 2901-001311 SAF802 FILTER-EMI SMD 2901-001311 SA
HDC800 HEADER-BOARD TO BOARD 3711-006118 SNAIFC803 CONNECTOR-INTERFACE 3710-001611 SAIRD710 PHOTO-IRDA 0604-001306 SA
L101 NPR-ANTENNA CONTACT GH71-04813A SAL101 NPR-ANTENNA CONTACT GH71-04813A SAL103 INDUCTOR-SMD 2703-002269 SAL104 INDUCTOR-SMD 2703-002207 SAL105 INDUCTOR-SMD 2703-002208 SAL107 INDUCTOR-SMD 2703-002544 SAL108 INDUCTOR-SMD 2703-002544 SAL109 INDUCTOR-SMD 2703-002558 SAL110 INDUCTOR-SMD 2703-002200 SAL111 INDUCTOR-SMD 2703-001750 SAL401 INDUCTOR-SMD 2703-002202 SAL402 INDUCTOR-SMD 2703-002202 SAL403 BEAD-SMD 3301-001729 SAL404 BEAD-SMD 3301-001729 SAL405 BEAD-SMD 3301-001729 SAL406 BEAD-SMD 3301-001729 SAL407 BEAD-SMD 3301-001729 SAL408 BEAD-SMD 3301-001729 SAL501 INDUCTOR-SMD 2703-001513 SAL700 BEAD-SMD 3301-001729 SAL701 INDUCTOR-SMD 2703-000403 SAL800 BEAD-SMD 3301-001659 SA
LED700 LED 0601-002037 SALED701 LED 0601-002037 SALED702 LED 0601-002037 SALED703 LED 0601-002037 SALED704 LED 0601-002037 SALED705 LED 0601-002037 SALED706 LED 0601-002037 SALED707 LED 0601-002037 SALED708 LED 0601-002037 SALED709 LED 0601-002037 SALED710 LED 0601-002037 SALED711 LED 0601-002037 SALED712 LED 0601-002037 SALED713 LED 0601-002037 SALED714 LED 0601-002037 SALED715 LED 0601-002037 SAOSC100 CRYSTAL-SMD 2801-004426 SAOSC300 CRYSTAL-SMD 2801-003856 SA
R101 R-CHIP 2007-001298 SAR102 R-CHIP 2007-002970 SA
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SGH-X300 Main Electrical Parts List
5
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Design LOC Discription SEC Code STATUSR103 R-CHIP 2007-000171 SAR104 R-CHIP 2007-007306 SAR105 R-CHIP 2007-000171 SAR106 R-CHIP 2007-002797 SAR107 R-CHIP 2007-000148 SAR108 R-CHIP 2007-001308 SAR109 R-CHIP 2007-000171 SAR201 R-CHIP 2007-007142 SAR202 R-CHIP 2007-000171 SAR203 R-CHIP 2007-000162 SAR204 R-CHIP 2007-000171 SAR205 R-CHIP 2007-000171 SAR206 R-CHIP 2007-000171 SAR207 R-CHIP 2007-000171 SAR208 R-CHIP 2007-000171 SAR209 R-CHIP 2007-000171 SAR210 R-CHIP 2007-000167 SAR211 R-CHIP 2007-000172 SAR213 R-CHIP 2007-000172 SAR214 R-CHIP 2007-000162 SAR216 R-CHIP 2007-007142 SAR217 R-CHIP 2007-000154 SAR218 R-CHIP 2007-000153 SAR219 R-CHIP 2007-000162 SAR220 R-CHIP 2007-000140 SAR301 R-CHIP 2007-000157 SAR302 R-CHIP 2007-000157 SAR303 R-CHIP 2007-000162 SAR304 R-CHIP 2007-000171 SAR305 R-CHIP 2007-007480 SAR306 R-CHIP 2007-000157 SAR307 R-CHIP 2007-000159 SAR308 R-CHIP 2007-007142 SAR309 R-CHIP 2007-000171 SAR310 R-CHIP 2007-007573 SAR311 R-CHIP 2007-000162 SAR312 R-CHIP 2007-007573 SAR313 R-CHIP 2007-000143 SAR314 R-CHIP 2007-000143 SAR315 R-CHIP 2007-000140 SAR401 R-CHIP 2007-000162 SAR402 R-CHIP 2007-007107 SAR403 R-CHIP 2007-007142 SAR404 R-CHIP 2007-000174 SAR405 R-CHIP 2007-000148 SAR406 R-CHIP 2007-000174 SAR407 R-CHIP 2007-007142 SA
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SGH-X300 Main Electrical Parts List
6
This Document can not be used without Samsung's authorization
Design LOC Discription SEC Code STATUSR408 R-CHIP 2007-000171 SAR409 R-CHIP 2007-007107 SAR410 R-CHIP 2007-001320 SAR411 R-CHIP 2007-000142 SAR412 R-CHIP 2007-000171 SAR413 R-CHIP 2007-001317 SAR414 R-CHIP 2007-000171 SAR415 R-CHIP 2007-001320 SAR416 R-CHIP 2007-000142 SAR417 R-CHIP 2007-007142 SAR418 R-CHIP 2007-007101 SAR419 R-CHIP 2007-007101 SAR420 R-CHIP 2007-007142 SAR421 R-CHIP 2007-007573 SAR422 R-CHIP 2007-007480 SAR423 R-CHIP 2007-001339 SAR424 R-CHIP 2007-000162 SAR425 R-CHIP 2007-001317 SAR500 R-CHIP 2007-000171 SAR501 R-CHIP 2007-007021 SAR502 R-CHIP 2007-007090 SAR503 R-CHIP 2007-000151 SAR504 R-CHIP 2007-001325 SAR505 R-CHIP 2007-000161 SAR506 R-CHIP 2007-000152 SAR507 R-CHIP 2007-000152 SAR508 R-CHIP 2007-000171 SAR509 R-CHIP 2007-000161 SAR510 R-CHIP 2007-000162 SAR511 R-CHIP 2007-001291 SAR512 R-CHIP 2007-001291 SAR513 R-CHIP 2007-000171 SAR514 R-CHIP 2007-000171 SAR515 R-CHIP 2007-000171 SAR600 R-CHIP 2007-000172 SAR601 R-CHIP 2007-000171 SAR701 R-CHIP 2007-003004 SAR702 R-CHIP 2007-003004 SAR703 R-CHIP 2007-003004 SAR704 R-CHIP 2007-003004 SAR705 R-CHIP 2007-003004 SAR706 R-CHIP 2007-003004 SAR707 R-CHIP 2007-003004 SAR708 R-CHIP 2007-003004 SAR709 R-CHIP 2007-003004 SAR710 R-CHIP 2007-003004 SAR711 R-CHIP 2007-000138 SA
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SGH-X300 Main Electrical Parts List
7
This Document can not be used without Samsung's authorization
Design LOC Discription SEC Code STATUSR712 R-CHIP 2007-003004 SAR713 R-CHIP 2007-003004 SAR714 R-CHIP 2007-003004 SAR715 R-CHIP 2007-000138 SAR716 R-CHIP 2007-003004 SAR717 R-CHIP 2007-000162 SAR718 R-CHIP 2007-000171 SAR719 R-CHIP 2007-001291 SAR720 R-CHIP 2007-000162 SAR721 R-CHIP 2007-000140 SAR722 R-CHIP 2007-001294 SAR723 R-CHIP 2007-001284 SAR724 R-CHIP 2007-000138 SAR800 R-CHIP 2007-000172 SAR801 R-CHIP 2007-000566 SAR802 R-CHIP 2007-000566 SAR803 R-CHIP 2007-000566 SAR804 R-CHIP 2007-000566 SAR805 R-CHIP 2007-000566 SAR806 R-CHIP 2007-000140 SAR807 R-CHIP 2007-000140 SAR808 R-CHIP 2007-000140 SAR809 R-CHIP 2007-000140 SAR810 R-CHIP 2007-000140 SAR811 R-CHIP 2007-000140 SAR812 R-CHIP 2007-000140 SAR813 R-CHIP 2007-000140 SAR814 R-CHIP 2007-000140 SAR815 R-CHIP 2007-000140 SAR816 R-CHIP 2007-000171 SAR817 R-CHIP 2007-000140 SAR818 R-CHIP 2007-000140 SA
SIM200 CONNECTOR-CARD EDGE 3709-001229 SATA800 C-TA,CHIP 2404-001415 SATH300 THERMISTOR-NTC 1404-001221 SATR200 TR-DIGITAL 0504-000168 SATR700 FET-SILICON 0505-001518 SAU101 IC-TRANSCEIVER 1205-002683 SAU102 IC-POWER AMP 1201-002218 SAU201 IC-BATTERY 1203-003663 SAU202 IC-CMOS LOGIC 0801-000796 SAU400 IC-ANALOG SWITCH 1001-001371 SAU401 IC-VOLTAGE COMP. 1202-001068 SAU500 IC-MELODY 1204-002161 SAU501 IC-ANALOG SWITCH 1001-001231 SAU502 IC-AUDIO AMP 1201-002348 SAU503 IC-TUNER 1204-002510 SA
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SGH-X300 Main Electrical Parts List
8
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Design LOC Discription SEC Code STATUSU504 IC-ANALOG SWITCH 1001-001371 SAU701 IC-HALL EFFECT S/W 1009-001010 SAU702 IC-DC/DC CONVERTER 1203-004004 SAU703 IC-POSI.FIXED REG. 1203-003754 SA
UCP200 IC-POWER SUPERVISOR 1203-003304 SAUCP300 IC MICOM-SGHX480 GH09-00036A SAUME600 IC-MCP 1108-000010 SAVR401 VARISTOR 1405-001082 SAVR402 VARISTOR 1405-001082 SAVR403 VARISTOR 1405-001082 SAVR404 VARISTOR 1405-001082 SAVR405 VARISTOR 1405-001082 SAVR701 VARISTOR 1405-001082 SAVR702 DIODE-TVS 0406-001231 SAVR703 DIODE-TVS 0406-001231 SAVR704 DIODE-TVS 0406-001231 SAVR705 DIODE-TVS 0406-001231 SAVR706 DIODE-TVS 0406-001231 SAVR707 DIODE-TVS 0406-001231 SAVR708 DIODE-TVS 0406-001231 SAVR709 DIODE-TVS 0406-001231 SAVR710 DIODE-TVS 0406-001231 SAVR711 DIODE-TVS 0406-001231 SAVR712 DIODE-TVS 0406-001231 SAVR713 VARISTOR 1405-001082 SAVR717 VARISTOR 1405-001110 SAVR718 DIODE-TVS 0406-001231 SAVR800 VARISTOR 1405-001082 SAZD400 DIODE-TVS 0406-001104 SAZD800 DIODE-ZENER 0403-001547 SAZD801 DIODE-ZENER 0403-001427 SAZD802 DIODE-TVS 0406-001190 SAZD803 DIODE-TVS 0406-001190 SAZD804 DIODE-TVS 0406-001190 SAZD805 DIODE-ZENER 0403-001547 SA
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5. SGH-X300 PCB Diagrams
5-1
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SGH-X300 PCB Diagrams
5-2
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SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorization
6. SGH-X300 Block Diagrams
6-1
1) Be care of scratch and molding damage. 1) When we disjoint Rear, be care of scratch and molding damage. 1) When we disjointing a connector and PBA, be care of damage.
1) When we disjoint the Front, be care of body transformation. 1) Be care of scratch.1) Be care of scratch and molding damage.
1 2 3
4 5 6
1) It uses assembly stick and the
HOOK of the right side lower part
confidential talk it disjoints with
the outer side which it will call.
2) The HOOK gets wider and it
catches it lifts it disjoints with
REAR by the hand.
1) After connector we disjointing PBA.
2) Remove the foreign object projection Tape.
1) Separate the Keypad.
2) Push the hinge and disjoint from Front.
1) Remove a screw cap by using a pinset.
2) Loosen a screw by using a driver.
1) Loosen a screw this four point
form Rear.
1) Insert a pinset in a separate home and disjoint
Folder Upper high position.
Disassembling Manual
1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage.
1) Be care of scratch and molding damage.
7 8 9
10
1) By using a assembly stick we disjoint between
Folder Upper and lower (it's same process right and left)
1) Remove a EMI tape by using a pinset.
1) Remove a Motor tape by using a pinset.
1) Remove a speaker by using a pinset.
1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. 1) Insert the FPCB at hole and fixed LCD.
1) When we disjoint the Front, be care of body transformation. 1) Assembling Folder Lower like this picture. 1) Be care of scratch and molding damage.
1 2 3
4 5
1) Sticking the EMI tape by using a pinset.1) Insert the screw and put on the screw cap.
1) Assembling Folder Lower like this picture.
1) Inter a Motor and Speaker and pushing.1) Wire must not rid on LCD bracket guide.
The wire arrangement must be like this picture.
Assembling Manual
1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage.
1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage.
7 8 9
10 11
1) Insert Folder hinge into Front.1) Sticking the foreign object projection Tape
by using a pinset.
2) Insert Keypad and Side Key.1) Inter a PBA into the Front and assembling connector.
1) Folder Higher position assembling and after
Lower position assembling.1) Sticking a screw this four point at Rear.
