SAMSUNG SGH C250 GSM telephone Service Manual
The SGH C250 is a GSM telephone. It features a compact design with a fold-out display. It is equipped with a built-in microphone and speaker for hands-free calling. It has access to the GSM network to make and receive calls, send text messages, and access mobile data services.
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GSM TELEPHONE
SGH-C250
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded View and Parts list
3. Chart of Troubleshooting
4. Array course control
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
9. Safety Precautions
10. Product Function
Contents
1. Specification
1-1. GSM General Specification .......................................................................................1-1
1-2. GSM TX power class ...............................................................................................1-2
2. Exploded View and Parts list
2-1. Cellular phone Exploded View ..................................................................................2-1
2-2. Cellular phone Parts list ............................................................................................2-2
2-3. Disassembly ...............................................................................................................2-9
2-4. Assembly ..................................................................................................................2-11
3. Chart of Troubleshooting
3-1. Baseband ............................................................................................................3-1
3-1-1. Power ON .....................................................................................................3-1
3-1-2. System Initial ................................................................................................3-5
3-1-3. SIM Part .......................................................................................................3-8
3-1-4. Charging Part .............................................................................................3-10
3-1-5. Microphone Part .........................................................................................3-12
3-1-6. Speaker Part ..............................................................................................3-15
3-1-7. Camera Part ..............................................................................................3-18
3-1-8. LCD .............................................................................................................3-21
3-2. RF ......................................................................................................................3-13
3-2-1. EGSM Rx ...................................................................................................3-23
3-2-2. DCS Rx ......................................................................................................3-24
3-2-3. PCS Rx ......................................................................................................3-25
3-2-4. EGSM Tx ...................................................................................................3-27
3-2-4. DCS & PCS Tx .........................................................................................3-28
3-2-6. BLUETOOTH ..............................................................................................3-30
Contents
4. Array course control
4-1. Downloading Binary Files ......................................................................................4-2
4-2. Pre-requsite for Downloading ................................................................................4-2
4-3. S/W Downloader Program .....................................................................................4-3
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
8-1. Reference Abbreviate ..............................................................................................8-1
9. Safety Precautions
9-1. Repair Precaution ......................................................................................................9-1
9-2. ESD(Electrostaically Sensitive Devices) Precaution ................................................9-2
10. Product Function
1. Specification
1-1. GSM General Specification
Freq. Band[MHz]
Uplink/Downlink
ARFCN range
EGSM 900
Phase 2
880~915
925~960
0~124 & 975~1023
Tx/Rx spacing
Mod. Bit rate/
Bit Period
Time Slot Period/Frame
Period
Modulation
MS Power
Power Class
Sensitivity
TDMA Mux
Cell Radius
45 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
0.3 GMSK
33 dBm~5 dBm
5 pcl ~ 19 pcl
-102 dBm
8
35 Km
DCS1800
Phase 1
1710~1785
1805~1880
512~885
95 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
0.3 GMSK
30 dBm~0 dBm
0 pcl ~ 15 pcl
-100 dBm
8
2 Km
1-1
Speclflcation
1-2. GSM Tx Power Class
TX Power control level
11
12
13
14
9
10
7
8
5
6
15
16
17
18
19
GSM900
33±2 dBm
31±2 dBm
29±2 dBm
27±2 dBm
25±2 dBm
23±2 dBm
21±2 dBm
19±2 dBm
17±2 dBm
15±2 dBm
13±2 dBm
11±3 dBm
9±3 dBm
7±3 dBm
5±3 dBm
TX Power control level
6
7
8
4
5
0
1
2
3
13
14
15
9
10
11
12
DCS1800
30±3 dBm
28±3 dBm
26±3 dBm
24±3 dBm
22±3 dBm
20±3 dBm
18±3 dBm
16±3 dBm
14±3 dBm
12±4 dBm
10±4 dBm
8±4 dBm
6±4 dBm
4±4 dBm
2±5 dBm
0±5 dBm
1-2
2. Exploded View and Parts List
2-1. Cellular phone Exploded View
QBR01
QAN02
QRE01
QFR01
QVO01
QKP01
QRF03
QCR17
QMP01
QME01
QAN05
QMI01
QCR12
QSC02
QSC01
QME03
QBA01
QCR05
QBA00
2-1
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QHI01
QFU01
QMO01
QLC01
QSP01
QFL01
QMW02
Exploded View and Parts List
2-2. Cellular phone Parts list
Design LOC Discription
QMW02
QRE01
QSC01
QSC02
QSP01
QVO01
QFL01
QFU01
QKP01
QLC01
QME01
QME03
QMI01
QMO01
QMP01
QAN02
QAN05
QBA00
QBA01
QBR01
QCR05
QCR12
QCR17
QFR01
INTENNA-SGH-C250
ASSY MEC-INTENNA CONTACT
PMO-CASE BATT V2
INNER BATTERY PACK-800MAH,MAIN
ASSY BRACKET-SHIELD
SCREW-MACHINE
SCREW-MACHINE
SCREW-MACHINE
ASSY CASE-FOLDER UPPER
ASSY KEYPAD-(XEF/AGA)
LCD-MAIN MODULE (SGHC170)
UNIT-DOME SHEET (SGHC250 F/K)
UNIT-CON TO CON
MICROPHONE-ASSY
MOTOR DC-SGHZ130
PBA MAIN-SGHC250
PMO-COVER MAIN WINDOW
ASSY CASE-REAR
RMO-RUBBER SCREW L
RMO-RUBBER SCREW R
SPEAKER
PMO-VOL KEY
ASSY CASE-FOLDER LOWER
QHI01 ASSY MEC-HINGE
ASSY CASE-FRONT
QRF03 PMO-COVER EAR
SEC CODE
GH42-01088A
GH75-08168A
GH72-37058B
GH43-02589A
GH98-03092A
6001-001478
6001-001530
6001-001460
GH98-03152B
GH98-03726A
GH07-01044A
GH59-03999A
GH59-04016A
GH30-00321A
GH31-00154D
GH92-03287A
GH72-36006A
GH98-03153B
GH73-08668A
GH73-08669A
3001-002097
GH72-36007A
GH98-03093A
GH75-07998A
GH98-03094A
GH72-36008A
2-2
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Discription
BAG PE
ADAPTOR-SGHC140 DC JACK(EU_B
UNIT-EARPHONE,10P,BLK(EU)
LABEL(P)-WATER SOAK
LABEL(P)-WATER SOAK
LABEL(R)-MAIN(EU)
MANUAL USERS-EU PORTUGUESE
MANUAL USERS-EU ENGLISH
BOX(P)-UNIT MAIN(EU)
PMO-CASE FOLDER DUMMY
MPR-VINYL BOHO WINDOW
MPR-VINYL BOHO DUMMY
MPR-TAPE LCD
MPR-SPONGE
MPR-SPONGE
MPR-SPONGE
MPR-TAPE KEY A
MPR-TAPE KEY B
MPR-TAPE LCD SOLD
Exploded View and Parts List
SEC CODE
6902-000297
GH44-01597A
GH59-04003A
GH68-02026A
GH68-02026A
GH68-13777A
GH68-13787A
GH68-13808A
GH69-05022A
GH72-36788A
GH74-30029A
GH74-30030A
GH74-30032A
GH74-30350A
GH74-30350A
GH74-30351A
GH74-30691A
GH74-30692A
GH74-30693A
2-3
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Exploded View and Parts List
2-3. Disassembly
1 2
HOOK
1) Unscrew the REAR at the four points.
2) Uncover the EAR COVER
※ caution
1) Be careful not to make scratch and molding damage!
3
1) Disassemble the Rear from the bottom side to the upper side.
※ caution
1) Be careful not to make scratch and molding damage!
4
1) Disassemble the LCD CONNECTOR
2) Disassemble the PBA from the FRONT ASS'Y
3) Disassemble the Keypad.
※ caution
1) When PBA is separated from LCD Connector,
Be careful not to damage!
2) Be careful not to damage LCD FPCB!
1) Push the hinge between Folder Upper and lower,
And Disassemble Front from Folder.
※ caution
1) Be careful not to make scratch and molding damage!
2-4
2) Be careful not to damage LCD FPCB!
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6
Exploded View and Parts List
5
SCREW CAP POINTS
1) Remove screw caps.
2) Unscrew the FOLDER Upper.
※ caution
1) Be careful not to make scratch and molding damage!
2) Be careful not to damage LCD FPCB!
7
1) By using an assembly stick, Disassemble
Folder Upper from Folder lower
(Right and Left are the same process)
※ caution
1) Be careful not to make scratch and molding damage!
8
1) Disassemble the MOTOR and the SPEAKER from FOLDER LOWER by using a pincette.
2) Melt the lead of motor and speaker's joint
※ caution
1) Be careful not to make scratch and molding damage!
1) Detach the insulation tape
2) Disassemble the LCD FPCB connector
3) Disassemble the LCD PANNEL from PBA
4) Melt the lead of LCD FPCB and detach the LCD
FPCB
※ caution
1) Be careful not to damage the LCD FPCB and LCD
PANNEL
2-5
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Exploded View and Parts List
2-4. Assembly
1 2
1) Attach the fixing tape of LCD FPCB
2) Solder the LCD FPCB
3) Attach the insulation tape
4) Detach the cover of adhesive tape
5) Attach the LCD PANNEL to pba
※ caution
1) Arrange the lcd fpcb exactly
1) Be careful not to make scratch and molding damage!
2) Be careful when soldering the FPCB
3) DO not overheat the FPCB
3
1) Soldering the motor and speaker
2) Assemble the LCD connector
※ caution
1) Be careful not to make scratch and molding damage!
2) Be careful not to damage LCD FPCB!
4
4
3
2
Arrange Wires clearly on
SPEAKER and MOTOR !
1
1)Insert lcd into FOLDER LOWER.
※ caution
1) When inserted FPCB, Arrange Wires clearly as above picture is shown.
1) Assemble FOLDER UPPER with FOLDER
LOWER following the orders as below picture is shown.
※ caution
1) Be careful not to make scratch and molding damage!
2-6
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Exploded View and Parts List
5 6
SCREW CAP
POINTS
1) Screw up the FOLDER UPPER at the above two points.[M1.4*L2.5]
※ caution
1) Be careful not to make scratch and molding damage!
2) Use 1.1 ± 0.2 Kgf.cm!
7
1) Attach Screw rubber caps on the screws by using a pincette.
※ caution
1) Be careful not to make scratch and molding damage!
8
1) Insert LCD FPCB[which is connected to
FOLDER] into the bottom of FRONT Hinge.
2) The FOLDER's projection inserts the
FRONT'S hole when Projection is pushed
3) Assemble FOLDER with FRONT
※ caution
1) Be careful not to make scratch and molding damage!
1) Insert the KEYPAD.
2) Attach side volume key
2) Insert PBA into FRONT.
3) Connect LCD FPCB to PBA CONNECTOR.
※ caution
1) Be careful not to insert keypad into FRONT incorrectly![Put KEYPAD Holes into FRONT
Projection correctly!
2) Do not miss side key
2-7
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Exploded View and Parts List
9 10
1
Rubber Attachment
Standard Line
2 3
1) Attach the Rubber following Red Line as the above picture is shown.
2) Connect LCD FPCB to PBA CONNECTOR.
3) Cover the ear cover
※ caution
1) Be careful not to make scratch and molding
11 damage!
1) Assemble rear with front following the orders as below picture is shown.
1) Screw up the REAR at 4 Points. [M1.4*L3]
※ caution
1) Be careful not to make scratch and molding damage!
2) Use 1.1 ± 0.2 Kgf.cm!
2-8
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Exploded View and Parts List
2-9
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3. Flow Chart of Troubleshooting
3-1.Baseband
3-1-1. Power ON
'Power On' does not work
Check the current consumption
Yes
Current consumption
>= 100mA
Yes
Check the Vbat Voltage
No
Download again
Voltage >=3.3V
Yes
Check the pin of UCP101
No
Pin#J12 >= 2.8V
Yes
Pin#A13 and pin#A14 =2.8V
Yes
No
No
Check the clock signal at pin#21 of U300
③
Charge the Battery
Check UCP101 and C116
① pin#G11 =
1.8V
Yes
No
Check UCP101 and C117
②
Freq = 26MHz
Vpp >=400mV
Vpp≒ 600mV
Yes
Check the clock signal at pin#5,#6 of U303
⑤
No
Check the clock generation circuit
(related to OSC300)
④
No
Check U303
⑥
Freq = 13MHz
Yes
Check the initial operation
END
3-1
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Flow Chart of Troubleshooting
③
④
⑥
⑤
② ①
DSP_DB(0:15)
DSP_AB(0:8)
DSP_IO
DSP_RWN
FLASH_RESET
XOENA
VMOD_EN
RF_EN
TX_EN
SERLE
SERDAT
SERCLK
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)
D2
D3
DB15
E3 DB13
E2
F3
F2
F1
DB14
DB12
DB11
F4
G4
H5
J6
DB10
DB9
DB8
DB7
G3 DB6
K1
K5
K7
M1
DB5
DB4
J5 DB3
K3 DB2
K2 DB1
DB0
AB8
AB7
M2
N2
N1
AB6
AB5
AB4
AB3
L5 AB2
P1 AB1
K6 AB0
L3 I|O
L2
R3
RWN
RESETN_CSP
E6 NC4
C5
F5
OCTL1
E5
OCTL2
NC
A4 OCTL4
G6 OCTL5
B3
A3
OCTL6
OCTL7
B1
A2
C1
C2
SERLE1
SERLE2
SERDA
SERCK
C124
VCCD_2.9V
VCCA_2.9V
C100 C101
VCCD_2.9V
C102
VBAT
UCP101
C123
C108
VDD34 C11
VDD12 J13
UP_CLK N9
UP_RST R10
UP_IO P10
SIM_IO J11
SIM_RST
SIM_CLK K14
VSIM K12
VRTC H11
LED2_DRV G12
LED1_DRV G13
RING_DRV F13
VLDO_7
VL5S_B
VL5S_A D10
VLDO_5 B10
VL4S_B B11
VL4S_A A12
VLDO_4 B12
VLDO_3 A13
VLDO_2 J12
VLDO_1 G11
VACC F14
CSN_PSC K8
SCLK_PSC L8
SDO_PSC N7
SDI_PSC M7
VEXT E14
VBAT E13
CH_BDRV E11
CH_ISEN F12
CH_RES D14
NC3
NC9
D15
E10
VREF
A10
CREF E9
RTC_ALMN H10
1
SIMCLK
SIMRST
SIMDATA
SIM_IO
SIM_RST
SIM_CLK
VSIM
KEY_BL1
VIB_DRV
BAND_SEL1
UP_CS
UP_SCLK
UP_SDO
UP_SDI
VBAT
VCCB_2.9V
3
TR103
2
VREF
RTCALARM
C120
VIB_EN
INTRQ
PWR_KEEP
RST
KEY_COL(2)
KEY_ROW(0)
VCCA_2.9V
C112 C113
VRADIO_2.9V
VRF_2.9V
VRTC_3V
VCCD_1.8V
C109
C114 C115 C116 C117
C118
3-2
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Flow Chart of Troubleshooting
VRF_2.9V
C300
C301
DPCS_PAM_IN
GSM_PAM_IN
26M_OUT
AFC
C306
R301 10K
C307
VCCD_2.9V
VBAT
C313
C362
R304 15
C314
C318
C321
VLDO2
VLDO1
VBAT
VDD
VCC_TXVCO
TXOP_HI
01 TXOP_LO
VLDO3
U300
L313 C324 C325 C326 C323
SERLE
SERCLK
SERDAT
RTXIN
RTXIP
OSC300
1
HOT
2
GND1
GND2
4
HOT
3
RX1900B
RX1900
RX1800B
RX1800
RX900B
RX900
RX850B
RX850
GND
C308
RTXQN
RTXQP
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_LNA_IN_P
GSM_LNA_IN_N
26M_OUT
L309
C351
C346
R309
R311
C348
C347
8
VCC
1
_PR
2
_CLR
3
Q
GND
4
CK
7
6
D
5
_Q
U303
C352
R306
R307
C341
C344
CLK13M_TR
CLK13M_MC
CLK13M_YMU
3-3
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Flow Chart of Troubleshooting
3-1-2. Initial
Initial Failure
Yes
The pin #G11 of UCP101 =
1.8V and the pin #J12 of UCP101 =
2.8V ?
Yes
Is the pin #K9 of UCP101
"Low → High" ?
Yes
There is 32.768kHz wave forms at the C218 and
C219
Yes
The voltage is "High" at the C113,C115,C116
Yes
LCD display is O.K
Yes
Sound is O.K
END
Yes
No
Check the UCP101
(if it has some problem, it is to be replaced.)
①
No
Check the UCP101
(if it has some problem, it is to be replaced.)
①
No
Check the UCP201
②
No
Check the UCP101
③
No
No
Check the LCD part
Check the Audio part
3-4
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③
③
①
③
Flow Chart of Troubleshooting
②
3-5
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Flow Chart of Troubleshooting
VCCD_1.8V
BP_CF
A(22)
VCCD_2.9V
L200
A(21)
R208
1
VDD
2
OUT
C220
VSS
4
NC
3
U203
47K
D(0:15)
A(0:20)
CP_CSROMEN
CP_CSRAMEN
LCD_CS
YMU_EN
CP_WEN
CP_OEN
UPPER_BYTE
INTRQ
RADIO_INT
YMU_IRQ
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)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
A6
B5
F8
F7
C5
XCP_D0
XCP_D1
XCP_D2
XCP_D3
XCP_D4
C2
D2
D3
E3
D5
C4
B4
B3
C1
XCP_D6
XCP_D7
XCP_D8
XCP_D9
XCP_D10
XCP_D11
XCP_D12
XCP_D13
XCP_D14
XCP_D15
B13
F11
E14
D15
B15
XCP_A0_BEON
XCP_A1
XCP_A2
XCP_A3
C17
D16
F14
G14
G13
G17
J12
K12
K13
K14
L14
L15
L16
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
A12
A13
M15
M14
M11
N14
XCP_CSROMEN
XCP_CSRAMEN
XPA0/CS1N
XPA1/CS2N
XPA2/CS3N
XPA3/CS4N
C13
P16
P15
T15
XCP_WEN
XPA4/OEN
XPA5/WAITN
XPA6/BE1N
M9
T5
P2
N2
XPA7/IRQ1
XPA8/IRQ2
XPA9/IRQ3
XPA10/IRQ4
C217
C221
KEY_COL(0:4)
VCCD_2.9V
R211 R212
VCCD_2.9V
KEY_ROW(0:4)
R215 R216
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
I2C_CLK
I2C_DAT
DEBUG_DTR
DEBUG_RXD
CHG_DET
SDS_TXD
SDS_RXD
SIMDATA
SIMCLK
VCCD_1.8V
C211
VCCD_1.8V
VCCD_2.9V
C212
VCCD_1.8V
R201
VCCD_2.9V
VRTC_3V
C213 C214
UCP201
VREF
CLK13M_TR
TR_RST
TDO
TRST
TDI
F12
F15
H12
TCK
CKO/IACK/ERAMHI
IOBIT[2]/VEC[3]/EROMHI
IOBIT[1]/VEC[4]/PLLTOA
INT#0
IO7
RWN
G15
L12
K11
N4
R12
U5
AB#8
AB#7
AB#6
AB#5
AB#4
AB#3
AB#2
AB#1
AB#0
T17
T14
R14
P12
P11
N11
R13
M10
U13
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
N7
P7
M6
R7
T7
U7
P6
R6
P10
R11
T11
U11
M8
N8
R203
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)
DB#0
XTIC_MODE
D12
XCPTSTSTOP_CKO
M12
XAG3
XAG2
XAG1
XAG0
D11
E11
A11
B11
XBSWN
X1RTC
X2RTC
XRTCALARM_N
XOSC32OUT
B7
A7
D10
E8
C6
R207
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)
100K
TR_RST
RADIO_BUSEN
DSP_INT
DSP_IO
DSP_RWN
DSP_AB(8:0)
DSP_DB(15:0)
ICHRG
R209
VBAT
R205
C216
TH200
C218 C219
VCCB_2.9V
R206
R210
OSC200
TR_RST
RTCALARM
CLK32K
CP_TDO
TR_RST
CP_TDI
CP_TMS
CP_TCK
EAR_SWITCH
AUDIO_SEL
JACK_IN
PWR_KEEP
SIMRST
FLASH_RESET
LED_EN
CHG_OFF
UP_CS
UP_SCLK
UP_SDO
UP_SDI
3-6
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Flow Chart of Troubleshooting
3-1-3. Sim Part
"Insert SIM is displayed on the LCD
Yes
Check the SIM connector's (SIM103) connection to SIM card
Yes
Check the voltage at pin#1 of SIM103 >=
2.8V ?
Yes
Is there any signals pin#2,#3,#4 of SIM103 ?
Yes
Check the SIM Card
No
Resolder or change SIM103
①
No
No
Check the UCP101 ②
Check the UCP101 ③
END
3-7
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Flow Chart of Troubleshooting
② ③
①
3-8
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Flow Chart of Troubleshooting
3-1-4. Microphone Part
Microphone does not work
Yes
Is the assembled status of microphone O.K?
Yes
Check the reference voltage on mic path
Yes
VR118 ≒ 2.0V ?
Yes
Is microphone ok?
END
Yes
No
No
No
Reassembled the microphone
Resolder or change
R150,R148,C140,R152,R149,C144,
R147,R143,C139,R154,C145,C146
①
②
Check UCP101
3-9
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Flow Chart of Troubleshooting
②
①
①
3-10
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Flow Chart of Troubleshooting
VCCA_2.9V
R143
R147
C139
MICINP
MICOUTP
MICINN
MICOUTN
R150
R152
R148
R149
C140
C144
R154 C145 C146 VR118 VR119
MIC100
3-11
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Flow Chart of Troubleshooting
3-1-5. Receiver Part
There is no sound from the Receiver
Yes
Is the terminal of
Receiver O.K ?
Yes
Is there any signals at the pin# P11 and pin#N12 of UCP101 ?
Yes
Is there any signals at the pin# 3 and pin# 9 of
UCP104 ?
END
Yes
No
No
No
Replace the Receiver
Check UCP101,R140,141
①
Check U104
②
3-1-6. Speaker Part
There is no sound from the Speaker
Yes
Is the terminal of Speaker
O.K ?
Yes
Is there any signals at the pin#17 and pin#18 of U106 ?
Yes
Is there any signals at the pin# 3 and pin# 9 of
UCP104 ?
END
Yes
No
Replace the Speaker
No
Check UCP106,C191,C192
③
No
Check U104
④
3-12
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③
①
② ④
①
③
Flow Chart of Troubleshooting
③
①
3-13
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Flow Chart of Troubleshooting
D(1)
D(0)
CP_WEN
YMU_EN
A(0)
CP_OEN
CLK13M_YMU
YMU_IRQ
MEM_RST
33
G
26
D1
25 24
27
D0
28 /WR
29 SDIN
30
SYNC
31 SCLK
32 SDOUT
34 G
1
2
23 22
3 4
21
U106
5
6
20
19
7 8
18
9
17
G 36
16
SPVDD
15
EQ3
14
EQ2
13
EQ1
12
HPOUT-R
11
HPOUT-L/MONO 10
G 35
C138
R146
C180
VCCD_2.9V
R174 150K
R176 C181
R175
VBAT
C179
C142
C141
AUDIO_PA_SPK_P
SPK_P
AOUTAP
VBAT
R141
C137
U104
1 V+
2 NO1
3 COM1
4 IN1
5 NC1
GND
11
NO2
10
COM2
9
IN2 8
NC2 7
GND 6
R144
R140
AUDIO_PA_SPK_N
SPK_N
AUDIO_SEL
AOUTAN
3-14
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Flow Chart of Troubleshooting
3-2.RF
3-2-1. EGSM RX
②
④
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION catch the channel?
YES
PAM300 CHECK pin12 ≥ -65dBm ?
YES
PAM300 CHECK pin16 ≥ -65dBm ?
YES
F301 CHECK pin3,4 ≥ -65dBm ?
YES
U300 CHECK pin29,30 ≥ -65dBm ?
YES
NO
NO
NO
PAM300 resolder or change
NO
F301 resolder or change
NO
CHECK
ANT contact ?
PAM300,RFS300 resolder or change
③
C319,C322,L306 resolder or change
⑤
U300 pin 17 : 2.8V ?
NO
UCP101 pinA13,
C115 change or resolder
⑥
YES
U300 CHECK pin 19,20 :
26MHz ?
Vp-p :380mV?
YES
NO
OSC300 change or resolder
⑦
U300 pin 2,3,22,23 Vp-p
: 120mV ?
NO
U300 resolder or change
YES
UCP101 CHECK!!
⑧
3-15
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①
Flow Chart of Troubleshooting
①
③
②
③
⑤
④
⑦
⑥ ⑧
3-16
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Flow Chart of Troubleshooting
3-2-2. DCS RX
②
④
CONTINUOUS RX ON
RF INPUT : 698CH
AMP : -50dBm
NORMAL CONDITION catch the channel?
YES
PAM300 CHECK pin12 ≥ -65dBm ?
YES
PAM300 CHECK pin20 ≥ -65dBm ?
YES
F300 CHECK pin3,4 ≥ -65dBm ?
YES
U300 CHECK pin27,28 ≥ -65dBm ?
YES
U300 pin 17 : 2.8V ?
YES
U102 CHECK pin 19,20 :
26MHz ?
Vp-p : 380mV?
YES
NO
NO
NO
ANT
CHECK contact ?
PAM300,RFS300 resolder or change
③
NO
PAM300 resolder or change
NO
F300 resolder or change
NO
NO
C310,C312,L304 resolder or change
⑤
UCP101 pinA13,
C115 change or resolder
⑥
OSC300 change or resolder
⑦
①
U300 pin 2,3,22,23 Vp-p
: 120mV ?
NO
U300 resolder or change
YES
UCP101 CHECK!!
⑧
3-17
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Flow Chart of Troubleshooting
①
③
② ③
⑤
④
⑦
⑥ ⑧
3-18
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Flow Chart of Troubleshooting
3-2-3. EGSM TX
①
PAM300 pin 12
: about 2~3 dBm?
YES
③ C302,RFS300 check&change
NO
PAM300 pin6 : 2.8 V?
YES
NO
UCP101 check & change
②
CONTINOUS TX ON CONDITION
TX POWER DAC: 600 CODE APPLIED
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO
PAM300 pin7 : 3.7 V?
YES
PAM300 pin 8 : 1.6V ?
YES
PAM300 pin11 about : -5dBm
?
YES
PAM300 pin 4 : 2.9V?
YES
PAM300 change or resolder
NO
NO
NO
BATTERY check & change
UCP101 check
R303
Check
NO
U300 pin17 : 2.8V ?
YES
④
UCP101 pinA13 ,C115 change or resolder
⑤
U300 pin19,20 :
26MHz ?
Vp-p : 380mV?
YES
NO
OSC300 change or resolder
⑥
NO U300 pin2,3,22,23
:100mV?
YES
UCP101 change or resolder U300 change or resolder
3-19
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Flow Chart of Troubleshooting
③
①
④
⑥
⑤
②
3-20
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Flow Chart of Troubleshooting
3-2-4. DCS TX
①
PAM300 pin 12
: about 2~3 dBm?
YES
③ C302,RFS300 check&change
NO
PAM300 pin6 : 2.8 V?
YES
NO
UCP101 check & change
②
CONTINUOUS TX ON CONDITION
CH : 698CH(DCS)
TX POWER CODE: 520 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO
PAM300 pin7 : 3.7 V?
YES
NO
BATTERY check & change
PAM300 pin 8 : 1.6V ?
YES
PAM300 pin1 about : -5dBm
?
YES
PAM300 pin 4 : 0V?
YES
PAM300 change or resolder
NO
NO
UCP101 check
R303
Check
NO
U300 pin 17 : 2.8V ?
YES
④
UCP101 pinA13 ,C115 change or resolder
⑤
U300 pin19,20 :
26MHz ?
Vp-p : 380mV?
YES
NO
OSC300 change or resolder
⑥
NO U300 pin2,3,22,23:
100mV?
YES
UCP101 change or resolder U300 change or resolder
3-21
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Flow Chart of Troubleshooting
③
①
④
⑥ ⑤
②
3-22
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Flow Chart of Troubleshooting
3
4
2
2
4
3
ANT101
1
2 2
4
4
ANT102
ANT
L302
R300
C304
R317
RFS300
1
G
2
A
3
C
4
G
L303
L301
C305
L300 C302
DPCS_PAM_IN
GSM_PAM_IN
DCS_LNA_IN_N
DCS_LNA_IN_P
GSM_LNA_IN_N
GSM_LNA_IN_P
BAND_SEL1
TX_EN
C310
C312
L304
C319
C322
L306
3
4
OUT
OUT
G
5
F300
G
2
IN
1
3 OUT
4
OUT
G
5
F301
G
2
IN
1
C311
C317
12
ANT
C329
1
11
DCSIN
GSM900_IN
20
RX1
16
RX2
4
VBS
6
VTX
C330
PAM300
VBATT
7
VCC1
10
VCC2
3
V1
2
VRAMP
8
VMOD_EN
9
NC
14
NC
18
GND GND
5 13
GND
15
GND
17
GND
19
GND
21
VBAT
C309
L305
C320
C315 TA316
R303
VAPC
VMOD_EN
C327 C328
3-23
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4. Array course control
Test Jig (GH80-00865A)
Test Cable (GH39-00743A)
RF Test Cable (GH39-00397A)
4-1
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Array course control
Software Downloading
4-1. Downloading Binary Files
• Three binary files for downloading C250.
– C250XXYY.s3 : Main source code binary.
4-2. Pre-requsite for Downloading
• Downloader Program( OptiFlash.exe
)
• C250 Mobile Phone
• Data Cable
• Binary files
4-2
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4-3. S/W Downloader Program
1. Load the binary download program by executing the “ OptiFlash.exe
”
Array course control
2. Select the “Options” -> “Settings” -> “Generic” -> “Specify hardware platform”.
Choose hardware platform for the downloader file setting.
Set the everything else as the default values which are shown below
4-3
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Array course control
3. Select the COM port when the download cable is connected
Up to twelve ports are supported. Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone. However, OptiFlash will use a slower speed if either the PC’s or the phone’s serial hardware is incapable of handling the selected speed
4-4
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4. Select the“Flash&Verify” -> “Browse”
Set the directory path and choose the latest s/w binary, for example
C250XXYY.s3”, for the downloader binary setting.
Array course control
“
Make sure that not to change the reserved memory regions.
In case of C140 the reserved memory regions are :
-0x00008000 – 0x0001ffff
4-5
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Array course control
5. Click “ OK ” button then press “ Flash ”.
(Before pressing ‘Flash’ button, push the button ‘*’and ‘END’ at the same time. Then press ‘Flash’.)
Downloader will upload the binary file as below for the downloading.
6. When downloading is finished successfully, there is a “All is well” message.
7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance.
8. Confirm the downloaded version name and etc. :
*#1111#
Full Reset :
*2767*3855#
4-6
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5. Block Diagrams
5-1
This Document can not be used without Samsung's authorization
6. PCB Diagrams
6-1
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PCB Diagrams
6-2
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7. MAIN Electrical Parts List
SEC CODE
ANT101,ANT102
BTC104
C100,C101,C204,C205
C102,C111,C121,C122
C103
C104,C177,C188,C355
C105,C106
C107,C221
C108,C137
C109,C112,C113,C116
C114,C118,C151
C115,C150,C179
C117,C123,C125,C353
C120,C214
C124,C140,C144,C200
C138,C193,C201,C301
C139,C169
C141,C191,C192,C346
C142,C190
C145,C146
C163
C170,C171,C302,C321
C172,C173,C217
C174,C175,C176,C180
C181
C194,C195,C323
C196,C341
C202,C206,C208,C209
C203,C210,C215,C307
C207,C212
C211
C213,C216,C361
C218,C219
C220
C222,C223,C224,C225
C226,C227,C228,C229
C300,C306,C308,C319
C304
C305
C309,C313,C352
C310,C312
C311,C317,C328
C314
Design LOC
GH71-06338A
NEWETC00002
2203-000254
2203-006048
2203-000940
2203-006257
2203-000812
2203-000995
2203-006324
2203-006562
2203-006681
2203-006824
2203-006562
2203-005344
2203-006048
2203-006423
2203-006890
2203-000438
2203-006838
2203-000359
2203-006377
2203-006556
2203-006896
2203-006648
2203-006693
2203-006260
2203-005729
2203-006048
2203-006194
2203-000254
2203-000679
2203-006048
2203-000330
2203-002709
2203-005717
2203-005717
2203-005719
2203-001385
2203-006318
2203-006194
2203-005683
2203-005736
2203-006626
Discription
ANTCON-P900
2005-03-261A
GRP155R71C103K
GRM155R71A104K
GRP155R71H471K
GRM155R60J474KE19E
GRP1555C1H330J
GRP1555C1H470J
GRM188R61A225KE19D
CV05X5R105K10AH
GRM155F51E104ZA01D
CV105X5R475K10AT
CV05X5R105K10AH
GRM155R71E223KA61D
GRM155R71A104K
GRM33X5R104K6.3
CV105X5R106M06AT
GRP155R71H102K
CL05A225KQ5NSNC
GRP1555C1H151JD01E
GRM21BR61E475KA12L
GRM0335C1E470JD01D
GRM033R71E121KA01D
GRM033R60J223KE01D
GRM033R71E271K
GRM155R61A224KE19E
CL03C150JAGC
GRM155R71A104K
GRP033R70J103KA01E
GRP155R71C103K
GRP1555C1H270J
GRM155R71A104K
GRP1555C1H120J
C1005Y5V1C104ZT
GRP0335C1E270JD01E
GRP0335C1E270JD01E
GRP0335C1E390JD01E
GRP1555C1H1R5CZ01E
GRP0335C1E1R2CD01
GRP033R70J103KA01E
GRP0335C1E8R0DD01E
GRP0335C1E101JD01E
GRM155R61A334KE15D
7-1
SAMSUNG Proprietary-Contents may change without notice
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Main Electrical Parts List
SEC CODE
C315,C320,C325,C326
C318
C322
C324
C327,C329,C330,C333
C334,C335,C336,C337
C339,C340,C342,C343
C344,C345,C347,C349
C348,C359,C360
C350
C351
C354
C356
C357
C358
C362
CN100
CN301
EAR100
F300
F301
L101
L102,L103,L104
L200
L300,L301
L302,L313
L303
L304
L305
L306
L309
L311
L312
LED201,LED202,LED203
LED204,LED205,LED206
LED207,LED208,LED209
LED210,LED211,LED212
LED213,LED214,LED215
LED216,LED217,LED220
OSC200
OSC300
PAM300
R100
Design LOC
2203-006423
2203-000466
2203-005719
2203-006462
2203-005682
2203-005682
2203-005682
2203-005682
2203-006423
2203-005682
2203-000627
2203-006647
2203-006556
2203-005717
2203-000233
2203-005777
3722-002433
3711-005296
3722-002010
2904-001599
2904-001592
2703-001231
3301-001729
3301-001342
2703-002917
2703-002267
2703-002313
2703-002484
2703-002558
2703-002200
2703-001236
2703-002910
2703-002989
0601-001819
0601-001819
0601-001819
0601-001819
0601-001819
0601-001819
2801-003856
2801-004587
1201-002364
2007-001284
Discription
GRM33X5R104K6.3
GRP1555C1H1R0C
GRP0335C1E390JD01E
GRM033R60J333K
GRP0335C1E330JD01E
GRP0335C1E330JD01E
GRP0335C1E330JD01E
GRP0335C1E330JD01E
GRM33X5R104K6.3
GRP0335C1E330JD01E
GRM1555C1H220J
GRM033R60J473KE19D
GRM0335C1E470JD01D
GRP0335C1E270JD01E
GRP1555C1H101J
CL03C010CA3GNNC
DCJ-11-5D-S-H3.2
14-5602-024-000-829
0-1674432-1
SF14-1842M5UBXX-04
SF14-0942M5UBXX-03
LK1608-100K-T
BLM15AG102SN1D
ACZ1005M-152-T
LQP03TN2N2B04D
CIH05T4N7SNC
CIH05TR10JNC
0402CS-7N5XJBW
LQW15AN27NH00D
CIH05T18NJNC
LK1608-R82K-T
LQP03TN39NJ04D
CCIS-03-039-AL
AOT-TAWS-XXYY
AOT-TAWS-XXYY
AOT-TAWS-XXYY
AOT-TAWS-XXYY
AOT-TAWS-XXYY
AOT-TAWS-XXYY
MC-146(32.768KHz,20ppm)
TSX-3225(TN4-26412)
TQM6M4022E
RC1005J4R7CS
7-2
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Main Electrical Parts List
SEC CODE
R105
R107,R108,R115,R164
R121,R124,R148,R149
R122,R200,R202
R125,R127,R150,R152
R126
R129,R208
R130
R140,R141,R304
R143,R171
R144,R177,R204
R146,R314
R147,R167
R151,R169,R203,R207
R154
R157
R162,R303
R165
R174
R175,R176
R201
R205,R209
R206
R210
R211,R212
R213,R214,R219,R220
R215,R216
R221,R222,R223,R224
R225,R227,R228,R230
R231,R232
R233,R234,R235,R236
R300
R301
R306
R307
R309,R311
R312
R313
R317
R318
RFS300
SIM103
TA100,TA102
Design LOC
2007-008486
2007-008419
2007-008516
2007-008531
2007-008808
2007-009168
2007-000162
2007-001244
2007-002965
2007-008544
2007-008483
2007-008051
2007-001320
2007-008055
2007-000142
2007-008137
2007-008516
2007-008419
2007-009108
2007-009166
2007-009315
2007-007573
2007-007981
2007-007590
2007-008052
2007-001301
2007-000165
2007-001301
2007-001301
2007-001301
2007-000174
2203-005444
2007-007741
2007-008587
2007-008048
2007-009084
2007-009154
2007-008786
2703-002205
2007-000174
3705-001358
3709-001384
2404-001381
Discription
ERJ1GEJ204C
ERJ1GEJ102C
ERJ1GEJ103C
MCR006MZPJ0100
MCR006YZPJ823
MCR006MZPJ563
RC1005J104CS
RC1005J913CS
RK73K1ETP150J
ERJ1GEJ681C
RMC1/20473JPA
RC0603J332CS
MCR01MZP5J182
ERJ1GENJ104X
RC1005J272CS
RC1005F243CS
ERJ1GEJ103C
ERJ1GEJ102C
RC0603J154CS
RK73H1HTTB3322F
RC0603J4R7CS
RK73H1ETP3303F
ERJ2RKF1803X
RK73H1ETP8202F
ERJ1GENJ472X
MCR01MZP5J680
RC1005J204CS
MCR01MZP5J680
MCR01MZP5J680
MCR01MZP5J680
MCR01MZP5J470
GRP1555C1H3R0B
M5534204B10E0R
ERJ1GEJ561C
ERJ1GENJ201X
MCR006YZPJ105
RMC1/20-120JTP
RMC1/20K333JTP
CIH05T3N9KNC
MCR01MZP5J470
KMS-512
5000-6P-2.3M
F981A106MMA
7-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Main Electrical Parts List
SEC CODE
TA316
TH200
TR103
U102
U104
U105
U106
U109
U203
U300
U302
U303
UCP101
UCP201
UME200
VOL_DOWN,VOL_UP
VR112,VR118,VR119
ZD126,ZD129,ZD202
ZD128,ZD201
ZD114
ZD203
Design LOC
2404-001374
1404-001221
0504-000168
1201-002356
1001-001371
1203-003663
1204-001811
0801-002529
1009-001020
1205-003098
1204-002688
0801-003013
1203-003897
GH09-00039A
NEWETC00001
3404-001152
1405-001082
0406-001167
0406-001083
0403-001547
0406-001167
Discription
F951C106MPAAQ2
NCP15WB473J04RC
DTC144EE/TR
LM4946SQ
ISL8484IRZ
ISL6294IRZ-T
YMU759-QE2
TC7SH32FU(TE85L)
EM-1681-FT
AD6548XCPZ
TEA5760UK
NC7SV74L8X
G-CSP2100B1-YV10
TR08WQTKE15IN3B
LRS18CK
LS10N2-T
VC040205X150R
ESDA6V1-5P6
ESDA6V1W5
TDZ5.6
ESDA6V1-5P6
7-4
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This Document can not be used without Samsung's authorization
8. Reference data
8-1. Reference Abbreviate
AAC: Advanced Audio Coding.
AVC : Advanced Video Coding.
BER : Bit Error Rate
BPSK: Binary Phase Shift Keying
CA : Conditional Access
CDM : Code Division Multiplexing
C/I : Carrier to Interference
DMB : Digital Multimedia Broadcasting
EN : European Standard
ES : Elementary Stream
ETSI: European Telecommunications Standards Institute
MPEG: Moving Picture Experts Group
PN : Pseudo-random Noise
PS : Pilot Symbol
QPSK: Quadrature Phase Shift Keying
RS : Reed-Solomon
SI : Service Information
TDM : Time Division Multiplexing
TS : Transport Stream
8-1
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9. Safety Precautions
9-1. Repair Precaution
● Repair in Shield Box, during detailed tuning.
Take specially care of tuning or test, because specipicty of cellular phone is sensitive for surrounding interference(RF noise).
● Be careful to use a kind of magnetic object or tool, because performance of parts is damaged by the influence of manetic force.
● Surely use a standard screwdriver when you disassemble this product, otherwise screw will be worn away.
● Use a thicken twisted wire when you measure level.
A thicken twisted wire has low resistance, therefore error of measurement is few.
● Repair after separate Test Pack and Set because for short danger (for example an overcurrent and furious flames of parts etc) when you repair board in condition of connecting Test Pack and tuning on.
● Take specially care of soldering, because Land of PCB is small and weak in heat.
● Surely tune on/off while using AC power plug, because a repair of battery charger is dangerous when tuning ON/OFF PBA and Connector after disassembing charger.
● Don't use as you pleases after change other material than replacement registered on SEC
System.
Otherwise engineer in charge isn't charged with problem that you don't keep this rules.
9-1
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Safety Precautions
9-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easilly by static electricity. Such parts are called by
ESD(Electrostatically Sensitive Devices), for example IC,BGA chip etc. Read Precaution below.
You can prevent from ESD damage by static electricity.
● Remove static electricity remained your body before you touch semiconductor or parts with semiconductor. There are ways that you touch an earthed place or wear static electricity prevention string on wrist.
● Use earthed soldering steel when you connect or disconnect ESD.
● Use soldering removing tool to break static electricity. , otherwise ESD will be damaged by static electricity.
● Don't unpack until you set up ESD on product. Because most of ESD are packed by box and aluminum plate to have conductive power,they are prevented from static electricity.
● You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board.
9-2
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10. Product Function
Main Function
- Cmera and camcorder
- Music player
- Java
- Offline mode
- Bluetooth
- Web browser
- Multimedia Message Service (MMS)
- Name card
- Voice recorder
- Women's life
- Organiser
10-1
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This Document can not be used without Samsung's authorization
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.
2007. 02. Rev.1.0

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Key features
Gold
128 x 128 pixels
FM radio Multimedia Messaging Service (MMS)
Lithium-Ion (Li-Ion) 800 mAh
Frequently asked questions
Open the phone and enter the phone number you wish to call. Press the green call button to place the call.
Open the phone and go to the message menu. Compose your message and select the recipient's phone number. Press the send button to send the message.
Open the phone and go to the settings menu. Select the data options and enable data services. You can then browse the internet, download apps, and access other data-based services.
The service manual provides detailed troubleshooting information for various issues that may arise with the phone. You can refer to the manual for detailed instructions and solutions.