This Service Manual is a property of Samsung Electronics Co.,Ltd. Any
unauthorized use of Manual can be punished under applicable. International and
/or ...
GSM TELEPHONE SGH-X140
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
This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.
ⓒ Samsung Electronics Co.,Ltd. Feb. 2005 Printed in Korea. Code No.: GH68-06385A BASIC.
1. SGH-X140 Specification 1-1. GSM General Specification GSM900 Phase 1
EGSM 900 Pha se 2
DCS1800 Phase 1
Freq. Ban d [M Hz ] Upl in k/Downl in k
89 0~ 91 5 93 5~ 96 0
88 0~ 91 5 92 5~ 96 0
1 71 0~ 1 78 5 1 80 5~ 1 88 0
A RF C N ra n g e
1 ~ 1 24
0 ~ 1 24 & 9 75 ~ 10 23
51 2~8 85
Tx/Rx spaci ng
45 MHz
45 MHz
95 MHz
Mod. Bit rat e/ Bit Period
270.833kbp s 3.692us
2 70 . 8 33 k b ps 3.692us
270.833kbp s 3.692us
Tim e Sl ot P eri od /F rame Peri od
576.9us 4. 61 5m s
576.9us 4 .6 15 m s
576.9us 4. 61 5ms
Modu lat ion
0. 3GM SK
0. 3GM S K
0. 3GM SK
M S Power
3 3d B m ~ 13 dBm 33dBm~5dBm
3 0d B m ~ 0 d Bm
P ow e r Cl a ss
5pcl ~ 15pcl
5pcl ~ 19pcl
0pcl ~ 15pcl
S e nsi ti vit y
-102dBm
- 10 2d B m
-100dBm
TDM A Mu x
8
8
8
Cell Radiu s
35 Km
35 Km
2Km
1-1
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SGH-X140 Specification
1-2. GSM TX power class TX Power control level
GSM900
TX Power control level
DCS1800
5
33±2 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4 dBm
17
9± 3dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
15
0±5 dBm 1-2
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2. SGH-X140 Flow Chart of Troubleshooting 2-1.Baseband 2-1-1. Power ON 'Power On' does not work
Check the current consumption Yes Current consumption >= 100mA
No
Download again
Yes Check the Vbat Voltage
Voltage >=3.3V
No
Charge the Battery
Yes Check the pin of U101
Pin#J12 >= 2.8V
No
Check U101 and C112
Yes
Pin#A13 and pin#A14 =2.8V
No
pin#G11 = 1.8V
No
Check U101 and C115
Yes
Yes
Check the clock signal at pin#27 of U404
Freq = 13MHz Vrms >=300mV Vpp≒ 900mV
No
Check the clock generation circuit (related to OSC401)
Yes Check the initial operation
END
2-1
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SGH-X140 Flow Chart of Troubleshooting
DSP_DB(0:15)
DSP_AB(0:8)
DSP_DB(15) DSP_DB(14) DSP_DB(13) DSP_DB(12) DSP_DB(11) DSP_DB(10) DSP_DB(9) DSP_DB(8) DSP_DB(7) DSP_DB(6) DSP_DB(5) DSP_DB(4) DSP_DB(3) DSP_DB(2) DSP_DB(1) DSP_DB(0) DSP_AB(8) DSP_AB(7) DSP_AB(6) DSP_AB(5) DSP_AB(4) DSP_AB(3) DSP_AB(2) DSP_AB(1) DSP_AB(0)
E6 C5 F5 E5 A4 G6 B3 A3
D2 D3 E3 E2 F3 F2 F1 F4 G4 G3 H5 J6 J5 K3 K2 K1 K5 K7 M1 M2 N2 N1 L5 P1 K6 L3 L2 R3 OCTL0 OCTL1 OCTL2 OCTL3 OCTL4 OCTL5 OCTL6 OCTL7
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 AB8 AB7 AB6 AB5 AB4 AB3 AB2 AB1 AB0 I|O RWN RESETN_CSP
VRF
VCCA
VCCD
SIMCLK SIMRST SIMDATA
C106
UP_CS UP_SCLK UP_SDO UP_SDI
VBAT
KEY_ROW(0)
RST KEY_COL(2)
MELODY_VIB INTRQ PWR_KEEP
RTCALARM
VREF
R110
VCCB
C116
VCCA
C113
C108
C114
TA_VEXT
JIG_ON
VRF
C109
C111
C112
CN101 1 VCC 2 VCC 3 CLK 4 GND 5 VPP 6 I/O 7 NC 8 NC 9 NC 10 NC
C107
C115
VCCD VCC_1.8A
C117
DCS_TX_EN GSM_TX_EN
VRTC
C110
R108
D101
R101
POS
M101
NEG
SAMSUNG Proprietary-Contents may change without notice
VBAT
C122
C104
R109
C118
R106
3 2
C105
C101
2
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C103
E14 E13 E11 F12 D14
K8 L8 N7 M7
K12 H11 G12 G13 F13 F15 C12 A14 C9 D10 B10 B11 A12 B12 A13 J12 G11 F14
N9 R10 P10 J11 K11 K14
VDD34 C11 VDD12 J13
UP_CLK UP_RST UP_IO SIM_IO SIM_RST SIM_CLK
VSIM VRTC LED2_DRV LED1_DRV RING_DRV VIB_DRV VLDO_7 VLDO_6 VL5S_B VL5S_A VLDO_5 VL4S_B VL4S_A VLDO_4 VLDO_3 VLDO_2 VLDO_1 VACC CSN_PSC SCLK_PSC SDO_PSC SDI_PSC VEXT VBAT CH_BDRV CH_ISEN CH_RES
D15 E10 A10 E9 H10
A
B
1
VBAT
Q102
ADC_AUX2 ADC_AUX1 VREF CREF RTC_ALMN
R105
1
5
3
GND
VCC
U102 Y
2-2
C102
U101
R102
DSP_INT
PWR_SW2 PWR_SW1N PSW1_BUF RESET_O MODE PWR_KEEP INTRQ VIB_RNG_EN
C1 4 C1 5 L7 K9 N1 0 M9 L10 L9 PWR_ON
SERLE1 SERLE2 SERDA SERCK
CLK32K
B1 A2 C1 C2
C119
N4 D1 R6 P5 P3 CLK13M_MC
DSP_IO DSP_RWN FLASH_RESET
R113 R103
B4 C4 P13 L11 F6 A6 M 10 N11 P6 R2 K4 G5 J4 N5 N6 M3 J3 F11 K15 B15 E8 B13 C10 AUXOUTP
RAREF2 RAREF1 RXTXIP RXTXIN RXTXQP RXTXQN
XOENA TX_BAND_SEL SI_EN TX_EN
SERLE SERDAT SERCLK
GND_OCTL V DD_OCTL G NDV VDDV G NDB VDDB G NDD VDDD VSS4 VSS3 VSS2 VSS1 VDD_IO2 VDD_IO1 VDD3 VDD2 VDD1 GND_HCUR GND_PSC2 GND_PSC1 GNDQ VDD67 VDD5
AOUTAP AOUTAN AOUTBP AOUTBN M I CI NP MICINN MICOUTP MICOUTN AUXINP
AFC TXP B5 B6 D7 D6 C7 C6 RXTXIP RXTXIN RXTXQP RXTXQN
AOUTAP AOUTAN AOUTBP AOUTBN MICINP MICINN MICOUTP MICOUTN AUXINP AUXINN AUXOUTP AUXOUTN VXVCM VREGP VREGN DAICK DAIRN DAIDI DAIDO P11 N1 2 R1 2 P12 N1 4 M14 N1 5 P15 M15 L14 K13 L13 R13 M13 R1 4 R4 P4 L6 M6
C120
4
R111 R112
2 1 K10 J1 0 J9 J8 J7 H9 H8 H7 H6 G10 G9 G8 G7 F10 F9 F8 F7 D13
RTC_CLK XOENAQ MC NC7 DINTR
NC6 NC5 GNDS17 GNDS16 GNDS15 GNDS14 GNDS13 GNDS12 GNDS11 GNDS10 GNDS9 GNDS8 GNDS7 GNDS6 GNDS5 GNDS4 GNDS3 GNDS2 GNDS1 AUX_ADC3
D9 E7 AFC TXPOWER
SGH-X140 Flow Chart of Troubleshooting
VRF
C434
C417
C418
C419
GSM_PAM_IN
XOENA
C436
13MHZ_SI
DPCS_PAM_IN
16
GND GND GND VDD GND GND
RXQP
XEN
XOUT
RFOG
DIA G2
RXQN
RFIGP
RXIP
RFIDN
U404
RFIDP
RXIN TXIP
RFIPN
TXIN
RFIPP
TXQP
GND SDI
15
35 GND 36 GND
14
13
12
11
10
XIN
17
29 30 31 32 33 34
28
_PDN
DCS_LNA_IN_P
27
VDD
18
26
SD O
DCS_LNA_IN_N
25
_SEN
19
RFIGN
24
SCL K
20
GSM_LNA_IN_P
RFOD
21
GSM_LNA_IN_N
23
DIA G1
22
9
TXQN
1 2
RXTXIP
3 4 5
RXTXIN
6
RXTXQP
7
8 RXTXQN CLK13M_RF SI_EN
SERLE SERCLK SERDAT
C429
C430
C431
VRF
R422
OSC401 1
AFC
2
VT
R423
VCC
4 C442
OUT 3 GND
R424 CLK13M_RF
C443
C449
2-3
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SGH-X140 Flow Chart of Troubleshooting
2-1-2. Initial Initial Failure Yes
The pin #G11 of U101 = No
1.8V and the pin #J12 of U101 =
Check the U101 (if it has some problem, it is to be replaced.)
2.8V ?
Yes
Is the pin #K9 of U101
No
"Low → High" ?
Check the U101 (if it has some problem, it is to be replaced.)
Yes
There is 32.768kHz wave
No
forms at the C220 and
Check the U201
C221
Yes
Is the pin #A4 of U101
No Check the U404
is "High" Yes
The voltage is "High" at
No Check the U101
the C112,C115,C116
Yes No LCD display is O.K
Check the LCD part
Yes No Sound is O.K
Check the Audio part
Yes END
2-4
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SGH-X140 Flow Chart of Troubleshooting
VCC_1.8A
VCCD
VRTC
YMU_LED VCC_1.8A
A(22)
VCC_1.8A
VCCD
C211
C230
C231
C214
R215 VREF C215
C216
DLC_DETECT CLK13M_TR TR_RST
D(13) D(14) D(15)
B13 F11 E14 D15 B15 C14 A16 A15 B17 C17 D16 F14 G14 G13 G17 J12 K12 K13 K14 L14 L15 L16
A(0) A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(17) A(18) A(19) A(20)
A(21) CP_CSROMEN CP_CSRAMEN CP_CSROM2EN LCD_CS BACKLIGHT_EN YMU_EN
A12 A13 M15 M14 M11 N14
E15 G16 F10 E10 C11 D8 F17 C12 VSS_DPLL VDD_DPLL XVREF VSSA VDDA VRTC CKI RSTB
B14 E17 E16 N16 U16 U15 P8 U2 M1 B1 VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE
C16 A5 R17 R16 T13 R4 R1 G1 E2 VDD VDD VDD VDD VDD VDD VDD VDD VDD
L9 J11 L8 M7 L10 L6 K7 K6 J7 H11 H7 G10 G9 F6 A3 A2
U201
DB#15 DB#14 DB#13 DB#12 DB#11 DB#10 DB#9 DB#8 DB#7 DB#6 DB#5 DB#4 DB#3 DB#2 DB#1 DB#0
XCP_CSROMEN XCP_CSRAMEN XPA0/CS1N XPA1/CS2N XPA2/CS3N XPA3/CS4N
C13 XCP_WEN P16 XPA4/OEN P15 XPA5/WAITN T15 XPA6/BE1N
INTRQ F_WP_ EAR_SWITCH YMU_IRQ
M9 XPA7/IRQ1 T5 XPA8/IRQ2 P2 XPA9/IRQ3 N2 XPA10/IRQ4
CP_KB[0]/TR_CS_IRAM CP_KB[1]/TR_CS_IROM CP_KB[2]/TR_CS_PERF CP_KB[3]/TR_CS_IPCP CP_KB[4]/TR_SIZE0 CP_KB[5]/TR_CLK CP_KB[6]/TR_PROT0 CP_KB[7]/TR_SIZE1 CP_KB[8]/TR_NEXEC CP_KB[9]/TR_GNT_DMA
CP_WEN CP_OEN DEBUG_DCD UPPER_BYTE
L4 L5 M4 T1 R2 T3 U3 P3 T4 N3
R207
XCP_A0_BEON XCP_A1 XCP_A2 XCP_A3 XCP_A4 XCP_A5 XCP_A6 XCP_A7 XCP_A8 XCP_A9 XCP_A10 XCP_A11 XCP_A12 XCP_A13 XCP_A14 XCP_A15 XCP_A16 XCP_A17 XCP_A18 XCP_A19 XCP_A20 XCP_A21
AB#8 AB#7 AB#6 AB#5 AB#4 AB#3 AB#2 AB#1 AB#0
XTIC_MODE XCPTSTSTOP_CKO
TP206
T17 T14 R14 P12 P11 N11 R13 M10 U13
TR_RST
DSP_TDI DSP_TMS DSP_TCK
DSP_INT DSP_IO DSP_RWN DSP_AB(8:0)
DSP_AB(8) DSP_AB(7) DSP_AB(6) DSP_AB(5) DSP_AB(4) DSP_AB(3) DSP_AB(2) DSP_AB(1) DSP_AB(0)
P10 R11 T11 U11 M8 N8 N7 P7 M6 R7 T7 U7 P6 R6 U6 P5
DSP_DB(15:0)
DSP_DB(15) DSP_DB(14) DSP_DB(13) DSP_DB(12)
VCCB
DSP_DB(11) DSP_DB(10) DSP_DB(9)
U203
DSP_DB(8) DSP_DB(7)
DSP_DB(5) DSP_DB(4)
R205
DSP_DB(3) DSP_DB(2)
VCCB
DSP_DB(1) DSP_DB(0)
R206
D12 M12
D11 XAG3 E11 XAG2 XAG1 A11 B11 XAG0
ICHRG BP_VF VBAT
B7 XBSWN A7 X1RTC D10 X2RTC E8 XRTCALARM_N C6 XOSC32OUT
TR_RST
RTCALARM CLK32K
2
C220
KEY_COL(0)
KEY_COL(2)
TP202
CP_TDO
TP203 TP204 TP205
CP_TDI CP_TMS CP_TCK
R211
OSC201
1
KEY_COL(1)
C221
TR_RST
DEBUG_DSR
KEY_COL(3) KEY_COL(4)
XLATCH_CS
KEY_ROW(0)
R217
KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4)
DEBUG_DTR DEBUG_RTS DEBUG_TXD DEBUG_RXD DEBUG_CTS CHG_DET
2 VO VS 1 GND 3
DSP_DB(6)
KEY_COL(0:4)
KEY_ROW(0:4)
DSP_TDO
R208
D(12)
A(0:20)
XCP_TCK XCP_TMS XCP_TDI XCP_TRSTN XCP_TDO
D(11)
D7 G8 C7 F9 D13
D(10)
E4 PN17/DRQ P13 PA18/T_ACK N17 PA33/T_REQA M17 PA34/T_REQB
D(9)
G15 CKO/IACK/ERAMHI L12 IOBIT[2]/VEC[3]/EROMHI K11 IOBIT[1]/VEC[4]/PLLTOA N4 INT#0 R12 IO7 U5 RWN
M3 PA25/OM0 G2 PA26/OM1 G4 PA27/SM1_CLK
D(8)
R5 XPWM1 H6 XPA23/PWM2 H5 XPA24/PWM3 F4 FLASH_RESET
D(7)
TP209 TP201 TP210 TP211 TP213
F12 TDO F15 TRST H12 TDI G12 TMS H13 TCK
L2 PA19/CP_MO L1 PA20/CP_MI K4 XPA21/CP_SCK J6 PA22/SM1_DATA
D(6)
XCP_D0 XCP_D1 XCP_D2 XCP_D3 XCP_D4 XCP_D5 XCP_D6 XCP_D7 XCP_D8 XCP_D9 XCP_D10 XCP_D11 XCP_D12 XCP_D13 XCP_D14 XCP_D15
U12 SIM_DATA/SM0_DATA N10 SIM_CLK/SM0_CLK
D(5)
G5 PA28/IOM0 F1 PA29/IOM1
D(4)
G6 PA13/TX1 G3 PA14/RX1
D(3)
F3 PA30/IM0 E1 PA31/IM1
D(2)
H4 XPA15/TX0 L3 XPA16/RX0
A6 B5 F8 F7 C5 D6 E7 D5 C4 B4 B3 C1 C2 D2 D3 E3
D(0) D(1)
K5 XPA11/IRDARX N1 XPA12/IRDATX
D(0:15)
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
1 NC 2 NC
N15 XPA36_A23_CS5N L13 XPA35_A22 L17 VDD H14 XPA32_CS0N
R203
KEY_LED_EN JACK_IN PWR_KEEP SIMRST DEBUG_RI FLASH_RESET I2C_DATA I2C_CLK UP_CS UP_SCLK UP_SDO UP_SDI SIMCLK SIMDATA
SDS_TXD SDS_RXD
2-5
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R220
R212
C222
SGH-X140 Flow Chart of Troubleshooting
2-1-3. Sim Part "Insert SIM is displayed on the LCD Yes
Check the SIM connector's (CN101) connection to SIM card
No Resolder or change CN101
Yes
Check the voltage at pin#1 of CN101 >= 2.8V ?
No
Check the U101
Yes
Is there any signals pin#2,#3,#6 of CN101 ?
No Check the U201
Yes
Check the SIM Card
END
2-6
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SGH-X140 Flow Chart of Troubleshooting
2-1-4. Microphone Part Microphone does not work Yes No
Is the assembled status of microphone O.K?
Reassembled the microphone
Yes Check the reference voltage on mic path Yes No
ZD632 ≒ 2.0V ?
Resolder or change R511,R510,R512,C515,C512,R516, R517,R508,R515,R520,R520,C525
Yes No Check U101
Is microphone ok? Yes END
2-7
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SGH-X140 Flow Chart of Troubleshooting
2-1-5. Speaker Part There is no sound from the Speaker
No
Is the terminal of Speaker O.K ?
Replace the Speaker
Yes No
Are there any signals at the R518,R519
Check U501
Yes
Yes
No
The type of sound from the Speaker is Melody
Is there any signals at the pin#2 and pin#10 of U501 ?
Is there any signals at the pin#5 and pin#7 of U501 ?
Yes
Check the U502
The pin#4 of
No
No
Yes
No
No
U501 is "Low" Yes
The pin#4 of
Check the
U501 is "High"
U502
Yes Check the U201
Check the U501
END
2-8
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SGH-X140 Flow Chart of Troubleshooting
D(1)
26
33
2 3
4 5 6
U502
D6 C515
SPOU T 2
C512
7
8
G
SPVSS SPVDD
9
C511
C510
G
MELODY_VIB
R504
R506
MSPKMSPK+
C504
MIC+
VBAT_4.2
R505
C509
MELODY_VIB
MIC501
C506
VBAT_4.2
1
2
3
GND
IN
EN
U503 OUT
REF_BYP
5
4
C531
C532
ZD503
C514
MSPK+
AOUTAP
AUDIO_OUT_SEL
C533
C534
L503
R524
R502
C502
C505
TP503
TP504
L505
L502
MOT+
R501
U501
10 NO2
VCCA_2.7
V+ 1
COM1 3
NO1 2 8 IN2
IN1 4
9 COM2
7 NC2
C543
6 GND NC1 5 G G G G 14 13 12 11
L504
VBAT_4.2
C501
R503
C503
C508
VCCD_2.7
R528
C540
36 16 15
ZD632
C507 22NF
C513
VCCD_2.7
35
EQ3 14 13 EQ2 12 EQ1 11 HPOUT-R HPOUT-L/MONO 10
VSS
25 24 23 22 21 20 19 18 17 D1
G
D0
28 /WR
A0
/CS
1
NC
R510
RADIO_ANT
JACK_IN
RADIO_SPK
C542
C522
AOUTAN
R518
R519
MSPK-
C535
4
6 5
1
2
3
CN501
SPK-
SPK+
TP501
TP502
SAMSUNG Proprietary-Contents may change without notice
27
30
29
G
/RD 32 IOVDD
31
34
C517
D5 C521
R516
R529
C524
L501
ZD502
2-9
D(0)
R511
NC
/RST
R512
R515
AOUTBP
6 5 R530
C523
C538
D(6)
D4 VCCA_2.7
R508
NO
4
AOUTBN
C536
D(5)
/IRQ R517
C530
C519
VCCD_2.7
U504
COM
IN V+
NC
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CP_WEN
A(0)
YMU_EN
CP_OEN
RST
YMU_IRQ
YMU_LED
CLK13M_YMU
MICINP MICOUTP
R513
C528
C529
MTR R514
VCCD_2.7
1 2 3
GND
C541
VD D
VCCA_2.7
RADIO_SHUTDOWN
C518
ZD504
D(4)
D3
R520
R522
EAR_SWITCH
Z D 631
D(3)
LE D C525
1
3
C537
MICINN MICOUTN
AUXINP
AUXOUTP
R521
Q501
2
Z D 501
D(7)
D7 PLLC R507
SPOU T 1
VR EF
R523
C 526
R 531
D(2)
D2 CLKI
R509
SGH-X140 Flow Chart of Troubleshooting
2-2.RF
CONTINUOUS RX ON RF INPUT : 62CH
2-2-1. EGSM RX
AMP : -50dBm
NO
NORMAL CONDITION catch the channel?
CHECK ANT2,R401 contact ?
YES NO
U402 CHECK pin8 ≥ -65dBm ?
C402,U401 resolder or change
YES NO
U402 CHECK pin2,3 ≥ -65dBm ?
U402 resolder or change
YES NO
U404 CHECK pin20,21 ≥ -65dBm ?
C408,C409,L401 resolder or change
YES
U404 pin 9,32: 2.8V ?
NO
U101 pinA13, C111 change or resolder
YES
U404 CHECK pin 8 : 13MHz ? Vp-p : 950mV?
NO
OSC401 change or resolder
YES
U404 pin1,2,3,28 Vp-p : 120mV ?
NO
U404 resolder or change
YES U101 CHECK!!
2-10
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SGH-X140 Flow Chart of Troubleshooting
2-2-2. DCS RX CONTINUOUS RX ON RF INPUT : 698CH AMP : -50dBm
NO
NORMAL CONDITION catch the channel?
CHECK ANT2,R401contact ?
YES U402 CHECK pin8 ≥ -65dBm ?
NO
C402,U401 resolder or change
NO
U402 resolder or change
NO
C411,C413,L403 resolder or change
YES U402 CHECK pin4,5 ≥ -65dBm ? YES
U404 CHECK pin18, 19 ≥ -65dBm ? YES U404 pin 9, 32: 2.8V ?
NO
U101 pinA13, C111 change or resolder
YES
U404 CHECK pin 8 : 13MHz ? Vp-p : 950mV?
NO
OSC401 change or resolder
YES
U404 pin1,2,3,28 Vp-p
NO
U404 resolder or change
YES U101 CHECK!!
2-11
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SGH-X140 Flow Chart of Troubleshooting
2-2-3. EGSM TX
U402 pin 13 : about 2~3 dBm?
NO
NO
U402 pin1 : 2.8 V?
U101 check & change
YES
CONTINOUS TX ON CONDITION TX POWER DAC: 600 CODE APPLIED CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
YES C407,U401 check&change
NO
U403 pin14 : about 4~5dBm? YES
U402 check & change
U403 pin5 : 3.7 V?
NO
BATTERY check & change
YES
U403 pin 4 : 1.6V ?
NO
U101 check
YES
NO
U403 pin1 about : -5dBm ? YES
U403 pin 6 : 3V?
NO
YES U403 change or resolder
NO
U101 check
U404 pin9,32 : 2.8V ?
YES
U404 pin8 : 13MHz ? Vp-p : 950mV?
U101 pinA13,C111 change or resolder
NO
OSC401 change or resolder
YES
NO
U404 pin4,5,6,7:100m V?
YES
U101 change or resolder
U404 change or resolder
2-12
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SGH-X140 Flow Chart of Troubleshooting
2-2-4. DCS TX
U402 pin 11 : about 2~3 dBm?
NO
NO
U402 pin9 : 2.8 V?
U101 check & change
YES YES C407,CN401 check&change
NO
CONTINUOUS TX ON CONDITION CH : 698CH(DCS) TX POWER CODE: 520 CODE Aplied RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
U403 pin10 : about 4~5dBm? YES U402 check & change
U403 pin5 : 3.7 V?
NO
BATTERY check & change
YES
U403 pin 4 : 1.4V ?
NO
U701 check
YES
NO
U403 pin9 about : -5dBm ?
YES
U403 pin 6 : 3V?
NO
YES U403 change or resolder
NO
U101 check
U404 pin9,32 : 2.8V ?
YES
U404 pin8 : 13MHz ? Vp-p : 950mV?
U101 pinA13,C111 change or resolder
NO
OSC401 change or resolder
YES
NO
U404 pin4,5,6,7:100m V?
YES U101 change or resolder
U404 change or resolder
2-13
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SGH-X140 Flow Chart of Troubleshooting
12
U403
14 10
TX_EN 6 BS 7
1 GSM850/900IN GSM850/900OUT 9 DCS/PCSIN DCS/PCSOUT
4 VRAMP 5 VBATT
2 3 8 11 13 15 16 17
C437
L402
C435
C412
GSM_TX_OUT
DCS_TX_OUT
TX_EN TX_BAND_SEL
GSM_PAM_IN
DPCS_PAM_IN
GSM_LNA_IN_N GSM_LNA_IN_P
C402
23
C401
22
RFIGN RFIGP RFIDN RFIDP RFIPN RFIPP
24
25
26
C417
11
27
U404
12
L405
9
C407
C419
GSM-RX GSM-RX DCS-RX DCS-RX
RXQN RXIP RXIN TXIP TXIN TXQP TXQN
1
3
2
4
6
5
7
2 3 4 5
VRF
U401
G
SERLE
SI_EN
CLK13M_RF
13MHZ_SI
XOENA
C413
C411
C409
C408
1
C
3
G 4
G 5
G 6
A
2
SERDAT
SERCLK
L401
R401
C404
L403
ANT2
L404
ANT
GSM_LNA_IN_N
DCS_LNA_IN_N
GSM_LNA_IN_P
DCS_LNA_IN_P
RXTXIP
RXTXIN
RXTXQP
RXTXQN
SAMSUNG Proprietary-Contents may change without notice
U402
ANT
8
GG G G G 7 9 10 12 14
8
35 GND 36 GND
29 30 31 32 33 34
C418
1 VC1 6 VC2 13 GSM-TX 11 DCS-TX
28
10
C431
This Document can not be used without Samsung's authorization
GSM_TX_EN DCS_TX_EN
GSM_TX_OUT DCS_TX_OUT
C434
C436
21 20
18
19
RFOD GND
13
C430
2-14
GSM_PAM_IN DPCS_PAM_IN
R402
C433
CLK13M_TR
CLK13M_MC
CLK13M_YMU
DCS_LNA_IN_P
DCS_LNA_IN_N
17 16 15
14
C429
XIN
C439
C440
R424
RXQP _PDN
GND GND GND VDD GND GND
VDD
R420 R403
VRF
R422
C442
DIA G2
C410
C406
4
XOUT SDO
C438
C441
OSC401 VCC
CLK13M_RF
SCL K
VBAT
C451
R423
OUT 3 GND
XEN _SEN
RFOG
C450
2
C449
DIA G1
TXPOWER
13MHZ_SI
AFC
C443
SDI
VCC GND GND GND GND GND GND GND GND
1
VT
3. SGH-X140 Exploded View and Parts List 3-1. Cellular phone Exploded View
QMW02
QSP05
QFR01 QMI05 QIF01
QMO01
QKP01
QSP01 QLC01 QRF03 QME01
QMP01 QAN02
QRE01
QSC01 QRF01 QBA01 QCR04
3-1
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SGH-X140 Exploded View and Parts List
3-2. Cellular phone Parts list Location
Description
NO.
SEC CODE
QMW02
LCD WINDOW
GH72-18145A
QFR01
FRONT COVER
GH75-05839A
SPK DECO
GH75-05827A
QMO01
MOTOR DC
GH31-00137A
QSP01
SPEAKER
3001-001677
QLC01
LCD
GH07-00555A
QMP01
MAIN PBA
GH92-01984A
QAN02
INTENNA
GH42-00520A
QRE01
REAR COVER
GH75-05840A
QRF03
EARJACK COVER
GH72-18144A
QCR04
SCREW MACHINE
6001-001479
QRF01
RF SHEET
GH74-13093A
QSC01
SCREW COVER
GH72-20329A
QMI05
MIC HOLDER
GH73-03844A
QIF01
IF COVER
GH72-18131A
QKP01
KEYPAD
GH75-05879A
QME01
UNIT METAL DOME
GH59-01935A
QBA01
BATTERY
GH43-01665A
QSP05
3-2
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Remark
SGH-X140 Exploded View and Parts List
3-3. Test Jig (GH80-00865A)
3-3-1. RF Test Cable
3-3-2. Test Cable
(GH39-00283A)
3-3-3. Serial Cable
(GH39-00127A)
3-3-4. Power Supply Cable
3-3-5. DATA CABLE (GH39-00305A)
3-3-6. TA (GH44-00701A)
3-3
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4. SGH-X140 MAIN Electrical Parts List SEC Code
Design LOC
Design LOC
SEC Code
2203-001072 2203-001072 2203-005061 2203-006324 2203-006324 2203-005061 2203-000812 2203-000812 2203-000812 2203-000233 2203-001598 2203-001598 2203-001652 2203-001072 2203-006257 2203-001598 2203-005061 2203-005061 2203-005061 2203-006093 2203-006257 2404-001268 2203-005061 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-005496 2203-005496 2203-000679 2203-005061 2203-001072 2203-001072 2203-005061 2203-005061 2203-005480
C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C122 C123 C127 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C214 C215 C216 C217 C218 C219
0601-001094 0601-001094 0601-001094 4302-001130 3003-001107 2801-003747 2809-001264 2801-004189 0504-001113 0501-000225 0504-001012 2007-001319 2007-000171 2007-000138 2007-000171 2007-008263 2007-000148 2007-000153 2007-007107 2007-007107 2007-000138 2007-000157 2007-007142 2007-007100 2007-000162 2007-000157 2007-007142 2007-000171 2007-007308 2007-007308 2007-000171 2007-000148 2007-000157 2007-000171 2007-000157 2007-000157 2007-000162 2007-000171 2007-000143 2007-003025
LED634 LED635 LED636 M101 MIC501 OSC201 OSC401 OSC701 Q102 Q501 Q701 R101 R102 R103 R105 R107 R109 R110 R111 R112 R113 R115 R116 R205 R206 R207 R208 R210 R211 R212 R213 R214 R215 R217 R218 R219 R220 R221 R223 R303
4-1
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-X140 Main Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
2203-000628 2203-000628 2203-005061 2203-005061 2203-000254 2203-005061 2203-006053 2203-006090 2203-006307 2203-000233 2203-000233 2203-005288 2404-001397 2203-000628 2203-005288 2203-005288 2203-000425 2203-005288 2203-001383 2203-005288 2404-001281 2203-000254 2203-000254 2203-000233 2203-000233 2203-000233 2404-001281 2203-000995 2203-000628 2203-000812 2703-001938 2203-000254 2203-000425 2203-000233 2203-000254 2203-000254 2203-000254 2203-000254 2203-005061 2203-000233
C220 C221 C222 C223 C230 C231 C233 C302 C303 C401 C402 C405 C406 C407 C408 C409 C410 C411 C412 C413 C417 C418 C419 C429 C430 C431 C433 C434 C435 C436 C437 C438 C439 C440 C441 C442 C443 C449 C450 C451
2007-000140 2007-000171 2007-000155 2007-002797 2007-000141 2007-003001 2007-000148 2007-000138 2007-000162 2007-001292 2007-001292 2007-000164 2007-000775 2007-000775 2007-001325 2007-001320 2007-007142 2007-000148 2007-000159 2007-000148 2007-000159 2007-000148 2007-000141 2007-000140 2007-001119 2007-008542 2007-008542 2007-000159 2007-001333 2007-000140 2007-000148 2007-000162 2007-008044 2007-008044 2007-008531 2007-001306 2007-001306 2007-001306 2007-001306 2007-001306
R305 R401 R402 R403 R420 R422 R423 R424 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 R528 R529 R530 R531 R601 R602 R603 R606 R607
4-3
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-X140 Main Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
2203-005482 2203-000233 2203-000233 2203-000654 2203-000233 2203-005061 2203-001405 2203-000233 2404-001086 2203-005061 2404-001339 2203-000438 2203-005061 2404-001151 2203-005509 2203-005061 2203-005065 2203-005509 2203-006120 2203-005806 2203-005806 2203-000233 2203-006121 2404-001274 2203-000278 2203-006053 2404-001268 2203-006053 2203-000679 2203-000438 2203-000438 2203-000438 2203-000438 2203-000438 2404-001281 2203-000995 2404-001397 2203-006324 2203-006053 2203-000438
C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C518 C519 C521 C522 C523 C524 C525 C526 C529 C530 C531 C532 C533 C534 C536 C537 C538 C540 C541 C542 C543 C602 C603 C605 C701
2007-001306 2007-000157 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-001306 2007-001306 2007-001306 2007-001306 2007-001306 2007-001306 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000173 2007-000157 2007-008531 2007-007135 2007-000148 2007-000162 2007-008531 2007-000174 2007-000775 2007-008516
R608 R609 R617 R618 R619 R620 R621 R622 R623 R624 R625 R627 R628 R629 R631 R632 R633 R634 R635 R636 R637 R638 R639 R640 R641 R642 R643 R645 R646 R647 R648 R649 R701 R702 R703 R704 R705 R706 R707 R708
4-2
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-X140 Main Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
2203-000679 2203-000995 2203-006194 2404-001225 2203-005061 2203-001598 2203-000885 2203-005512 2203-000254 2203-006093 2203-006194 2203-005509 2203-006194 2203-006194 2203-006093 2203-006194 2203-006647 2203-006647 2203-006647 2203-006194 2203-000438 2203-000278 2203-005050 2203-006137 2203-006137 2203-000438 3709-001335 3722-002249 3710-002017 0405-001067 0405-001067 2901-001317 2901-001317 2901-001317 2901-001317 2901-001317 2703-002767 2703-001512 2703-001751 2703-002759
C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 CN101 CN501 CN601 D701 D702 F301 F302 F303 F304 F305 L301 L401 L402 L403
2007-008055 2007-008542 1203-003304 0801-000796 1203-003389 GH09-00029A 1109-001274 1209-001219 GH09-00022A 1203-003443 3705-001358 2909-001225 1201-002177 1205-002433 1001-001261 1204-002161 1203-001256 1001-001152 1203-003105 1204-002023 1201-001951 1203-002054 1405-001082 1405-001082 0403-001446 0406-001150 0406-001150 0403-001387 0406-001150 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082
R709 R710 U101 U102 U107 U201 U202 U203 U204 U302 U401 U402 U403 U404 U501 U502 U503 U504 U604 U701 U702 U703 V1 V2 ZD301 ZD501 ZD502 ZD503 ZD504 ZD601 ZD602 ZD603 ZD604 ZD605 ZD606 ZD607 ZD608 ZD609 ZD610 ZD611
4-4
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-X140 Main Electrical Parts List
SEC Code
Design LOC
Design LOC
SEC Code
2703-002308 2703-001235 2703-001235 2703-001235 2703-001881 2703-001235 2703-001673 2703-001723 2703-001723 0601-001094 0601-001094 0601-001094 0601-001094 0601-001094 0601-001094 0601-001094 0601-001094 0601-001094
L405 L501 L502 L503 L504 L505 L701 L702 L703 LED601 LED602 LED603 LED606 LED607 LED608 LED631 LED632 LED633
1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 0403-001427 0403-001387 1405-001082 0406-001150 0406-001150
ZD612 ZD613 ZD614 ZD615 ZD616 ZD617 ZD618 ZD619 ZD620 ZD621 ZD622 ZD623 ZD624 ZD628 ZD629 ZD630 ZD631 ZD632
4-5
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
5. SGH-X140 PCB Diagrams
H20 6
H20 5
TP50 3
TP50 4 Z D5 0 1
TP502
CN50 1
ZD6 3 1
TP501
ANT2
ZD50 4
ZD50 2
V2 V1
U5 0 4
U7 0 2
Q70 1
D7 0 1
D7 0 2
OSC7 0 1
U4 0 2
U4 0 4
U4 0 1
OSC401
U70 1 Q5 0 1
U4 0 3
U5 0 1
F304
U1 0 1
U3 0 2
F305 ZD30 1
F3 0 1 F3 0 3
F302
U50 2 Q1 0 2
ZD60 6
TP234
TP230
TP235
TP233
TP231
TP232
ZD60 3
U20 1
H20 2
ZD60 5
H20 1 ZD6 3 0
U2 0 3
CN10 1
U60 4
OSC201
U20 2
ZD60 2
ZD60 8
ZD60 9
ZD62 4
ZD60 4
Z D6 1 1
ZD61 2
M10 1
ZD 6 1 6
ZD 6 1 5
ZD 6 1 4
ZD 6 1 9
ZD 6 1 8
ZD 6 1 7
ZD 6 2 3
ZD 6 2 2
ZD 6 2 1
U107
ZD 6 2 0
H20 4
U7 0 3
U50 3
ZD60 7
Z D6 2 9
U1 0 2
ZD5 0 3
ZD61 3
CN60 1
U20 4 H20 3
ZD63 2
5-1
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SGH-X140 PCB Diagrams
U30 1 LEFT
SEND
LED60 3
CLEAR
DOWN
LED 6 3 1
LED 6 0 7
STO RI GHT
UP
LED 6 3 2
LED 6 0 8
MENU
PWR
LED60 6
TP21 0
1
2
LED 6 3 5
TP21 1
LED 6 3 6
TP20 1
4
TP20 2
TP20 3
5
LED 6 3 3
TP20 9
7 STAR
0
Z D6 2 8
Z D6 0 1
Z D6 1 0
TP20 6
LED 6 0 1
TP22 5
6
9
8
TP20 5
LED 6 0 2
TP20 4
LED 6 3 4
TP21 3
3
SHARP
MIC 50 1
5-2
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
6. SGH-X140 Block Diagrams 6-1. RF Solution Block Diagram CS P 2 2 0 0
An t en n a GS M : 9 2 5 M H z ~ 9 6 0 M H z
R
L
RF FI L T ER
P GA
A D C
PGA
PGA
A
I ,Q P GA
A D C
X
D A C
CH A N N E L F I L T ER
D CS : 1 8 0 5 M H z ~ 1 8 8 0 M H z N
T R I D EN T HP
D A C
RF F I L T ER
1 0 0 KHz
π/ 2
Si 4 2 0 5 D SP 1 6 0 0 0 S ER I A L D A TA, CL K , LE
S ER I A L D A T A I N T E R F A CE
A SM
GS M : 8 9 0 M H z ~ 9 1 5 M H z T
X
D E T
PA M I ,Q
D CS : 1 7 1 0 M H z ~ 1 7 8 5 M H z T C V CX O 1 3 MHz
RF PLL
A F C
IF PL L C L K
UI
6-1
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
A R M 9 4 6 ES
SGH-X140 Block Diagrams
6-2. Base Band Solution Block Diagram
X-T AL 13MHz
TRI D EN T 2
CSP 2200 TXI P TXI N TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL
IRDA DSP16000 RS232
ACC
DSPJTAG TI MER BI O
GPIO
PPI (Pr ogr amma bl e Periph eral I/ O)
IO RWN AB[8:0] DB[ 15:0] IN T1 IR Qx PAx RSTB
ARM7TDMI core
IO RWN AB[8:0] DB[ 15:0] IN T1 IR Qx PAx RSTB
POWER ( DC/DC, CHARGER, SIM)
TXI/Q RX I/ Q TXP SERCK SERLE SERDA OCTL
ARM/DSP JTAG/ICE JTAG/ I CE TIME R X-T AL 32. 768KHz
ICP/IDP
RTC
DAICK DAIRN DAIDO DAIDI
JTAG LCD KEYBOARD
USB
Audi o Par t
Audi o FLASH ROM (128M)
SRAM (32M)
LCD Keyp ad
Memor y part
RADIO
6-2
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
RF SOLUTION -R F I C -P AM -M AI N VCO - TX VCO - I FV CO
