Samsung SGH-C110 User manual

SGH-C110
SERVICE
Manual
GSM TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded View and Parts List
4. Main Electrical Parts List
5. Block Diagram
6. PCB Diagrams
GSM TELEPHONE

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1. SGH-C110 Specification
1-1
This Document can not be used without Samsung's authorization
1. GSM General Specification
GSM900
Phase 1 EGSM 900 Phase 2 DCS1800 Phase 1
Freq. Band[MHz]
Uplink/Downlink 890~915 935~960 880~915 925~960 1710~1785 1805~1880
ARFCN range 1~124 0~124 & 975~1023 512~885
Tx/Rx spacing 45MHz 45MHz 95MHz
Mod. Bit rate/
Bit Period 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us
Time Slot Period/Frame
Period 576.9us 4.615ms 576.9us 4.615ms 576.9us 4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm
TDMA Mux 8 8 8
Cell Radius 35Km 35Km 2Km

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SGH-C110 Specification
1-2
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2. GSM TX power class
TX Power
control level DCS1800
0 30±3dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
TX Power
control level GSM900
5 33±2dBm
6 31±2dBm
7 29±2dBm
8 27±2dBm
9 25±2dBm
10 23±2dBm
11 21±2dBm
12 19±2dBm
13 17±2dBm
14 15±2dBm
15 13±2dBm
16 11±3dBm
17 9±3dBm
18 7±3dBm
19 5±3dBm

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2. SGH-C110 Flow Chart of Troubleshooting
2-1
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1. Power ON
Check the current
consumption more than
100mA
'POWER ON' does not work
Check the Voltage of
the Battery more than
3.3V
Download again
Charge the Battery
Check the capacitor
C236
close by U200(MSD) is
more than 3.2V
Check to the path from CN402 to
capacitor C236 close by U200(MSD)
2.7V≤ C234 of
U200(MSD)
=2.8V Check the MSD(U200)
Check the TP222 of
U200(MSD) is high≒ Check the CX80501-31(U300)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No

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SGH-C110 Flow Chart of Troubleshooting
2-2
This Document can not be used without Samsung's authorization
2. Initial
Initial Failure
No
No
No
Check the R300 of
U300 is 'High'
Check the clock generation circuit
(related to U200 and OSC200)
Check the clock
signal's wave at
R201(19.5MHz)
Check the U200(MSD)
Yes
Check the TP234
3.9MHz wave & TP220
is "High"
Check the U200(MSD)
Check the connections and initialization
using Factory Test Program
Yes
END
Yes

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SGH-C110 Flow Chart of Troubleshooting
2-3
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3. Charging
* Test after connecting with Battery
: All 4 terminals in battery should be connected to the phone by using jump-wires.
Check the pin 17
of CN402 is around
5V
Abnormal charging part
Check the pin 6 of
U210 is "LOW"
Check the TA
Check the U210
Check the pin 3 of
U210 is "LOW"
END
No
Yes
Yes
Yes
No
No Check the pin
3ofU503is
short to ground
Yes
Check the connections of
4 terminals in battery

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SGH-C110 Flow Chart of Troubleshooting
2-4
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AudioInterface
PAControlInterface
SystemSupplies
RFAnalogI/Qinterface
E_TDO
C241
100PF
1.5K
R203
D301
R205
R204
1.1K
C213
10PF
2K,1%
C_A
2
C238
1uF
33PF
C212
DEBUG_TX
C22310UF
1U
F
C232
BAT
T
C209
33PF
U210
2
5
6
3
1
4
C_F1
10U
F
C236
36K
R206
30K,1%
R520
R200
C_A7
TP222
10K
C316
V_IO
C_B1
1U
F
C205
100NF
R212
100K
GN
D
100N
F
C20
2
TP234
1.1K
SDS_R
X
R202
100N
F
C226
C_E
1
4.7uF
C234
68NF
C225
V_RT
C
R310
C_D1
C220
C_A3
100
C_C1
V_UHF
100N
F
C20333PF
E_TD
I
10PF
C210
BAT3
2
GND
PROG
5
4VCC
1
_CHRG
V_BAT
C_D
1
SDS_TX
U202
V_SIM
4
NC
2VI
NVOUT
3
1VSS
R201
33K
E_TRST
V_BA
T
U308
TP230
V_RF
C_K1
6.3
V
33U
F
C214
C20
1
100N
F
NC
C207
8
V_TI
C
C22
8
100N
F
1234
5
6
7
2.2u
H
L200
C_K1
C_A
4
TP205
C24010PF
R211
TP233
2K
U504
10PF
L201
V_IO
C_J
1
C_E1
VSIMP6
VTI
CP8
P9
VUHF
VXTAL
A7
XTAL_IN
A5
A6XTAL_OUT
A2XTAL_V
C
270P
F
C215
VIO
VPOWER
F1
2
VPOWER1
N10
P13
VPOWER2
VREF+
A3
A4VREF-
VREF_CAP
K1
3
VR
FP10
J1
4
VRTC
M13
VSEL
0
VSEL
1L1
3
VAUX4
VCHARGE
M14
P5
VCODE
C
VCOREP12
VDECOUPLING1
N6
N13
VDECOUPLING2
P11
VGATE
VINTA1
C1
D1VINTA2
VINTD1
A1
3
A1
4VINTD2
P7
N5
SPK-
A8SYN_RE
F
SYS_CLK
A1
1
G3TX_I
+
F3TX_I
-
TX_Q+
E2
E3TX_Q-
VAUX1J1
VAUX2K1
F1VAUX3
G1
B1
1
F1
3SERIAL_CLOCK
SERIAL_DATA
G1
4
SIM_CLK_C
L9
SIM_CLK_H
L1
1
SIM_DATA_C
M8
L1
2
SIM_DATA_H
H11
SIM_EN
SIM_RST_C
M10
M9
SIM_RST_H
SPK+N4
PWR_KEY_L
PWR_SNS
H12
RBIAS
A1
RESET_B
D1
2
RSPNS_DAT
C1
4
B1
2RX_CL
K
A1
2RX_DAT
A
B2RX_I+
C2RX_I-
D3RX_Q+
RX_Q-
D2
RX_RAT
E
D13
NC4
NC5D14
E1
NC6E1
1
NC7
NC8E1
2
E1
3
NC9
PAC_OUTL3
N7
POR_INPUT
G1
1POR_OUTPUT
PWR_KEY_H
H14
K1
2
NC18M4
M5
NC19
B6
NC2
NC20M6
M7
NC21
NC22M12
N11
NC23
NC24N12
NC251
2
NC26
NC3B7
C1
1
MUX_OUTN8
NC1B5
NC10E1
4
NC11F2
NC12F1
4
NC13H1
K2
NC14L8
NC15L1
4
NC16M2
NC17
IS
PP14
LINE_I+N2
N3
LINE_I
-
LINE_O+P2
P3
LINE_O
-
P1
MIC_BIA
S
MIC_CAP
B1
MIC_IN+L1
MIC_IN
-M1
G1
3MSD_RESE
T
MSD_SLEE
P
H2GPO10
GPO11
G2
C5GPO2
GPO3
C8
GPO4
K3
L2GPO5
GPO6
J3
J2GPO7
B4GPO8
GPO9
H3
IS
NN14
GND25
P4
GND3
C7
C1
2GND4
GND5
D4
D5GND6
GND7
D6
D7GND8
GND9
D8
GPO0
C4
GPO1
C6
H4GND15
J4GND16
K4GND17
GND18
K1
1
L4GND19
B8GND2
GND20
L5
L6GND21
GND22
L7
L10GND23
M3GND24
J1
2
ENB_
2
ENB_
3J1
1
B1
0ENCDR_DAT
F1
1FLASH_RESET
A1
0F_RAT
E
GND1
A9
D9GND10
GND11
D1
0
GND12
E4
GND13
F4
GND14
G4
B9
C1
0CDC_RAT
E
M11
CHRGR_INT
D1
1CLKRE
Q
B1
4CNTRL_CL
K
C1
3CNTRL_DAT
A
CNTRL_RT
B1
3
N1
CODEC_VC
DCDR_DAT
C9
H13
DTR_IN
ENB_1
G1
2
U20
0
ALARM_INJ1
3
AUXADC+
B3
AUXADC-
C3
K1
4
BACKUP
N9
BAT_P_IN
CDC_CLK
C218
1UF
C_G
1
C_A
3
C_A4
100NF
C217
V_CORE
100N
F
C_A
7
C_B1
C221
C21
6
82PF
DEBUG_RX
F_W
E
E_TM
S
C_F1
V_BAT
R207
2.2K
V_IO
GND
1
IN
OUT
3
TP220
OSC200
GND
2
4
1
4
V200
NE
GPOS
C_G1
U503
2
5
6
3
33PF
C204
100N
F
C224
V_IO
100NFC219
C_J1
E_TC
K
100NF
C231
1234
5
6
7
8
C_C1
TP204
C_A2
C233
1U
F
A_
P
C227
100N
F
1234
5
6
7
8
C237
100N
F
EAR_SPK+
EAR_SPK-
PO
R
Aux_Adc
BP_V
F
FULL_CHARG_E
NTA_DE
T
Charger_Disable
TA_Presen
t
VEXT
TD
I
TClk
TA_DET
Debug_Tx
Debug_Rx
AUX_ADC
PwrKey
Ctl_Cl
k
Ctl_Rt
Ctl_Dat
a
Rspns_Data
Dec_Dat
a
CDC_Rt
Rx_I-
Enc_Dat
a
CDC_Cl
k
Sds_Tx
Sds_R
x
WRITE_EN
TRST
TM
S
TD
O
Rx_En
1
Serial_Dat
a
Serial_Cl
k
Reset_B
Sys_Clk
F_Rt
Rx_Dat
Rx_Rt
Rx_Cl
k
MIC_
M
MIC_
P
Mic_Bias
Tx_I-
Tx_I
+
Tx_Q-
Tx_Q
+
Rx_I
+
Rx_Q-
Rx_Q+
PAC
TX_En0
Syn_Cl
k
Tx_En
1
Syn_Dat
Syn_LE
VC1
VC2
Syn_En
Rx_En
1
Syn_Ref
EAR_MIC-
EAR_MIC+
Alarm
Ta_De
t
Tx_En1
Clk_Rqs
t
POR
PwrKey_In
t
SIM_Clk_Car
d
SIM_Cl
k
SIM_Dat_Card
SIM_Dat
SIM_En
SIM_Rst_Card
SIM_Reset
SPKR_
P
SPKR_
M

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SGH-C110 Flow Chart of Troubleshooting
2-5
This Document can not be used without Samsung's authorization
4. Sim
*TestwithSim
Check the the voltage
at pin 1 & 5 of
CN500 is 2.8V ?
Phone can't access SIM card
Check the CN500's
Connection to SIM
card
Check the circuit related to
CN500
Resolder CN500
Check the circuit around U301
(MEMORY) and data stored in it
END
No
Yes
Yes
Yes
Yes
No

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SGH-C110 Flow Chart of Troubleshooting
2-6
This Document can not be used without Samsung's authorization
MOTO
R
(NC
)
MIC_CO
N
V_IO
0
R522
R504
30K
R5093.3K
0
R526
UTP-MI
C
/IRQ
31/RD
/RST
4
28/W
R
10U
F
C516
SPOUT
1
SPOUT
2
18
15
SPVDD
SPVSS
16
VD
D
79
VREF
VSS
8
29/CS
3
G
HPOUT-L/MONO
10
11
HPOUT-R
32IOVDD
2
LED
MT
R
19
NC
5
PLLC
6
17
D6
D7
20
EQ112
EQ213
EQ314
G
33
34GG35
36
1
CLKI
D0
27
D1
26
25
D2
D3
2423
D4
D5
2221
C507
100NF
U500
A0
30
0
R528
4.7K
R525
Q501
2
3
1
1.2K
R512
R5230
R517510K
V500
V_IO
R513100
C501
100NF
R506470
D500
3
1
2
C526
NC
V_IO
V_BAT
C503
100PF
100NF
C508
10R501
100PF
C502
100P
F
C521
V_MOTOR
C520330N
F
C524
4.7U
F
NC
100P
F
C522
R510
R507200
0
220nH
L501
R519
R527
2.7K
R518
330K
10
R515100
2
33
445
5
66
7
GG
89GG
CN500
11
2
10
R500
C513
NC
4
0
R524
U501
2
5
6
3
1
V502
4
1
3
V_SI
M
LED500
2
220K
R514
6CN502
1
2
3
4
5
R503
30K
3GND1
4GND2
1IN
+
IN
-
2
V_BATV_BAT
V503
CON500
10
NO
2
V+
1
1NF
C509
COM29
GN
D6
4IN1
8
IN2
NC1
5NC27
2NO
1
U502
COM
1
3
100N
F
C514
C505
270PF
C525
4.7U
F
33PF
C517
6.3V
33U
F
C523
V
_IO22NF
C506
C512
33PF
C510
100N
F
C500
V501
R50256K
10PF
HDST_DET
EAR_SPK+
YELLOW_GREEN_LED_EN
RED_LED_EN
EAR
SEND_END
EAR_SPK-
EAR_MIC+
A_SPK+
SPEAKER+
A_SPK-
MIC_P
MIC_M
SIM_Dat_Card
SIM_Rst_Card
SIM_Clk_Card
VIBRATOR_I
N
analogue_sw_ctrl
SPKR_P
SPKR_M
SPEAKER-
DAI_RESET
A_SPK-
A_SPK+
READ_EN
A(2)
WRITE_EN
D(0)
D(1)
SYS_CLK
YAMAHA_CS
IND_LED_CTL
EAR
_IRQ
_RST
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)

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SGH-C110 Flow Chart of Troubleshooting
2-7
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5. Microphone Part
* Call with Sim before testing.
check the connection
from MIC500
MicroPhone does not work
Resolder MIC500
Check the Audio loopback by
board test program.
END
No
Yes
Yes
check the voltage of
C214 ≥ 2.0V
Yes
Check the path around MIC bias
circuit
No