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7. SGH-N707 Flow Chart of Troubleshooting
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7-1
1. Power On
Current consumption
>=100mA
The set is not ' Power On '
Voltage >= 3.3V
Download again
Charge the Battery
pin#J12 of U101 >= 2.8V
Check U101 and C112
pin#A13 of U101 = 2.8V
Check U101 and C115
Check the clock signal
at pin#R6
Freq = 13MHz
Check the clock generation circuit
(related to OSC401)
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#G11 = 1.8V
No
Yes
Check the +VBATT Voltage
Check the pin of U101
Check the initial operation
Check the current consumption
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Flow Chart of Troubleshooting
7-2
2. Initial
The pin#G11 of U101 = 1.8V
and
the pin#J12 of U101 ≒ 2.825V
?
Initialization Failure
Check the U101
(If it has some problem, adjust it.)
END
No
Yes
Is the pin#K9 of U101
"Low -> High"?
Yes
Check the U201
32.768kHz wave forms at
the C220 and C221
Check the LCD Part
Yes
No
Yes
Yes
The Voltage is "High" at
the C112
Check the Audio Part
No
Check the U101
(If it has some problem, adjust it.)
Check the U101
LCD display is O.K
No
No
Yes
Yes
Sound is O.K
No
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Flow Chart of Troubleshooting
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7-3
, 1%
(rf-5000-6P-2.2L)
VCCD
C103
100NF
VCCB
2.2UF
16V
K12
VSI
M
VSS1G5
VSS2K4
VSS3R2
VSS4P6
VXVCM
R13
XOENAQ
D1
C111
G11
VLDO_2
J1
2
VLDO_3
A13
VLDO_4
B12
VLDO_5
B10
VLDO_6
A14
VLDO_7
C12
VREF
A10
VREGN
R14
VREGP
M13
VRTC
H11
VDD_IO1 N5
VDD_IO2 J4
VDD_OCTLC4
VEXT
E14
VIB_DRV
F15
VIB_RNG_EN
L9
A12
VL4S_A
VL4S_B
B11
VL5S_A
D10
VL5S_B
C9
VLDO_1
E13
J3
VDD1
VDD12
J1
3
VDD2 M3
VDD3 N6
VDD34
C11
VDD5 C10
VDD67 B13
VDDB A6
VDDD N11
VDDV L11
SERDA
B1
SERLE1
A2
SERLE2
SIM_CLK
K14
SIM_IO
J1
1
K11
SIM_RST
TXP
E7
N9
UP_CLK
UP_I
O
P10
UP_RST
R10
VACC
F14
VBAT
RTC_CLK
N4
RW
N
L2
RXTXI
N
D6
D7
RXTXI
P
RXTXQN
C6
RXTXQP
C7
SCLK_PSC
L8
SDI_PSC
M7
SDO_PSC
N7
SERCK
C2
C1
OCTL7
PSW1_BUF
L7
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW
2
C14
RAREF1
B6
RAREF2
B5
R3
RESETN_CSP
K9
RESET_O
F13
RING_DRV
H10
RTC_ALM
N
1
NC5
NC6 2
NC7
P5
OCTL0
E6
C5
OCTL1
OCTL2
F5
E5
OCTL3
A4
OCTL4
OCTL5
G6
OCTL6
B3
A3
GND_PSC2K15
INTRQ
L10
L3
I|O
LED1_DRV
G13
LED2_DRV
G12
MC
R6
MICINN
M14
MICINP
N14
MICOUTN
P15
MICOUTP
N15
MODE
N10
GNDS3 F9
GNDS4 F10
GNDS5 G7
GNDS6 G8
GNDS7 G9
GNDS8 G10
GNDS9 H6
GNDV P13
GND_HCURF11
GND_OCTLB4
GND_PSC1B15
E8
GNDS1 F7
H7
GNDS10
GNDS11 H8
H9
GNDS12
GNDS13 J7
GNDS14 J8
GNDS15 J9
GNDS16 J10
K10
GNDS17
GNDS2 F8
J5
DB3
J6
DB4
DB5
H5
G3
DB6
DB7
G4
DB8
F4
DB9
F1
DINTR
P3
GNDB F6
GNDD M10
GNDQ
M6
DAIRN
P4
DB0
K1
DB1
K2
F2
DB10
DB11
F3
DB12
E2
DB13
E3
DB14
D3
D2
DB15
DB2
K3
AUXOUTN
L13
AUXOUTP
K13
D13
AUX_ADC3
CH_BDRV
E11
CH_ISEN
F12
CH_RES
D14
E9
CREF
K8
CSN_PSC
R4
DAICK
DAIDI
L6
DAIDO
K7
AB7
AB8
K5
ADC_AUX1
E10
ADC_AUX2
D15
D9
AFC
AOUTAN
N12
AOUTAP
P11
AOUTBN
P12
AOUTBP
R12
AUXINN
L14
AUXINP
M15
CSP2200B1
U101
AB0
K6
P1
AB1
L5
AB2
N1
AB3
AB4
N2
M2
AB5
M1
AB6
R105
0
VR
F
100
R113
VBAT
C118
220NF
10K
R110
0
R104
VBAT
100PF
C110
C119
100NF
2.2UF
C112
C120
1UF
6.3V
1.2K
R101
16V
10K
R109
NC
R115
11
GG
12
GND
3
2
IN
4
ISET
VL
1
6
_ACOK
8
_CHG
_EN
5
U107
MAX1508ETA
BATT
7
9
G
10
G
VCCD
R112
100K
C123
10UF
10V
16V
2.2UF
C116
0
R103
100
R102
33PF
C107
TP103
470NF
C113
TP102
AGND
7
NC
8
NC
9
NC
10
NC
VCC
1
VCC
2
VPP
5
AGND
CN101
5000-6P-2.2L
CLK
3
GND
4
6
I/O
RB414_IV02N
BAT101
NEG
2
PO
S
1
AGND
100NF
C106
470nF
C121
AGND
100NF
C117
R108
0
VCCD
VCCA
10V
2.2UF
C104
R114
100K
VRT
C
VCCD
C101
56PF
VCC_1.8A
R106
0
DTC144EM
Q102
1
3
2
C109
33PF
TP104
C124
4
Y
100NF
VBAT
TC7S32FU
U102
2
A
1
B
3
GND
5
VCC
R111
100K
TP105
C115
1UF
6.3V
VCCD
VCCA
10V
2.2UF
C105
56PF
C102
C108
33PF
AGND
C122
470nF
TP106
56PF
C114
FL_LED
JIG_ON
TA_VEXT
R107
2.7K
VIB_EN
GSM_TX_EN
DCS_TX_EN
VREF
RXTXI
N
RXTXI
P
RXTXQ
N
RXTXQ
P
UP_SCLK
UP_SDI
TXPOWER
SIMCLK
SIMDATA
SIMRST
BL_KEY_LED
CLK13M_M
C
MICINN
MICINP
MICOUTN
MICOUTP
PWR_KEEP
PWR_ON
RST
RTCALARM
CLK32K
CHG_ON
CHG_DET
TA_VEXT
AFC
AOUTAN
AOUTAP
UP_CS
DSP_INT
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
VBAT
MELODY_VI
B
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(1)
DSP_DB(0)
DSP_AB(8)
ICHRG
SERLE
DSP_RW
N
FLASH_RESET
TX_EN
SI_EN
TX_BAND_SEL
XOENA
DSP_I
O
DSP_DB(9)
SERCLK
SERDAT
DSP_AB(0:8)
DSP_DB(0:15)
KEY_COL(2)
KEY_ROW(0
)
INTRQ
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Flow Chart of Troubleshooting
7-4
3. SIM Part
Are there any Signals at
pin#N9, #R10, #P10 of U101?
"Insert SIM" is displayed on the LCD
Check the U102
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the U101
Are there any Signals at
pin#K12, #K11, #K14, #J11 of
CN101?
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Flow Chart of Troubleshooting
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7-5
4. Charging Part
The pin#17, #18 of
CN601 is TA_VEXT ≒
5V ?
Abnormal charging operation
Replace TA or Check CN601
No
END
Yes
The pin#7 of U107 >=3.3V?
Check the U107
No
Yes
No
Solder again or change R107
Yes
The ICHRG = 1.4V(during
charging) and ≒ 180mV(full
charging) ?
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Flow Chart of Troubleshooting
7-6
C506
330NF
100NF
C515
C521
R510
10K
330NF
VBAT
OBG-415L44-C33P
MIC501
D501
RB520S-30
VCCD
33K
R506
NC
C528
33
R502
1UF
VBAT
10V
C523
C517
NC
C520
NC
100K
R511
TP502
NC
R518
0
C527
VBAT
R503
33
100PF
C502
ZD501
RSB6.8S-TE61
RSB6.8S-TE61
ZD502
R517
680
C511
6.3V
4.7UF
1K
R515
9
8
VSS
/IRQ
34
/RST
/W
R
28
C507
22NF
29
SDIN
32
SDOUT
SPOUT1
17
18
SPOUT2
SPVDD
15
16
SPVSS
SYNC
30
VDD
7
VREF
34
35
G
G
36
10
HPOUT-L/MONO
HPOUT-
R
11
IFSEL
56
PLLC
31
SCLK
D6
20
D7
12
EQ1
EQ2
13
14
EQ3
2
EXT1
EXT2
19
33
G
G
CLKI
1
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
C501
YMU759-QE2
U502
100NF
R516
1K
100K
R501
3.3K
R507
100NF
C510
2
NO1
10
NO2
1
V+
C508
100PF
12
13
G
G
14
GND
6
4
IN
1
8
IN
2
5
NC1
7
NC2
MAX4684ETB
U501
COM1
3
COM
2
9
11
G
G
TP501
C535
NC
C503
33K
R505
100PF
TP504
C513
10K
R512
100NF
NC
C516
C504
270PF
C505
100PF
NC
R520
0
R521
C529
6.3V
33UF
NC
C533
0
R509
C530
10PF
C534
NC
R519
0
C512
VCCA
TP503
VCCA
1NF
150K
R504
10V
C509
4.7UF
R513
100K
C532
100NF
D(2)
D(6)
D(4)
VIB_EN
MSPK-
MSPK+
AUDIO_OUT_SEL
AOUTAN
AOUTAP
MICOUTP
MICOUTN
MICINP
MICINN
MELODY_VIB
YMU_EN
YMU_IRQ
CP_OEN
RST
CP_WEN
A(0)
CLK13M_YM
U
D(0)
D(1)
D(3)
D(5)
D(7)
MSPK+
MSPK-
C506
330NF
100NF
C515
C521
R510
10K
330NF
VBAT
OBG-415L44-C33P
MIC501
D501
RB520S-30
VCCD
33K
R506
NC
C528
33
R502
1UF
VBAT
10V
C523
C517
NC
C520
NC
100K
R511
TP502
NC
R518
0
C527
VBAT
R503
33
100PF
C502
ZD501
RSB6.8S-TE61
RSB6.8S-TE61
ZD502
R517
680
C511
6.3V
4.7UF
1K
R515
9
8
VSS
/IRQ
34
/RST
/W
R
28
C507
22NF
29
SDIN
32
SDOUT
SPOUT1
17
18
SPOUT2
SPVDD
15
16
SPVSS
SYNC
30
VDD
7
VREF
34
35
G
G
36
10
HPOUT-L/MONO
HPOUT-
R
11
IFSEL
56
PLLC
31
SCLK
D6
20
D7
12
EQ1
EQ2
13
14
EQ3
2
EXT1
EXT2
19
33
G
G
CLKI
1
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
C501
YMU759-QE2
U502
100NF
R516
1K
100K
R501
3.3K
R507
100NF
C510
2
NO1
10
NO2
1
V+
C508
100PF
12
13
G
G
14
GND
6
4
IN
1
8
IN
2
5
NC1
7
NC2
MAX4684ETB
U501
COM1
3
COM
2
9
11
G
G
TP501
C535
NC
C503
33K
R505
100PF
TP504
C513
10K
R512
100NF
NC
C516
C504
270PF
C505
100PF
NC
R520
0
R521
C529
6.3V
33UF
NC
C533
0
R509
C530
10PF
C534
NC
R519
0
C512
VCCA
TP503
VCCA
1NF
150K
R504
10V
C509
4.7UF
R513
100K
C532
100NF
D(2)
D(6)
D(4)
VIB_EN
MSPK-
MSPK+
AUDIO_OUT_SEL
AOUTAN
AOUTAP
MICOUTP
MICOUTN
MICINP
MICINN
MELODY_VIB
YMU_EN
YMU_IRQ
CP_OEN
RST
CP_WEN
A(0)
CLK13M_YM
U
D(0)
D(1)
D(3)
D(5)
D(7)
MSPK+
MSPK-
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Flow Chart of Troubleshooting
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7-7
5. Microphone Part
Is the assembled status of
microphone O.K?
Microphone does not work
C529 > 2.5V
Reassemble the microphone
Solder the microphone again or
Replace around Mic Circuit
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok ?
No
Check U101
Check the reference voltage on Mic path
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Flow Chart of Troubleshooting
7-8
6. Speaker Part
Is the terminal of Speaker
O.K.?
There is no sound from Speaker
No
Replace the Speaker
The pin#4 of
U501 is
"Low"
Check U502
The pin#4 of
U501 is
"High"
Check U501
Are there any signals
at the pin#5 and
pin#7 of U501?
END
Yes
Yes
No
The type of sound
from the Speaker is
Melody
Yes
No
No
No
Yes
Yes
Yes
Are there any signals
at the pin#2 and
pin#10 of U501?
No
Check U101
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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-9
C506
330NF
100NF
C515
C521
R510
10K
330NF
VBAT
OBG-415L44-C33P
MIC501
D501
RB520S-30
VCCD
33K
R506
NC
C528
33
R502
1UF
VBAT
10V
C523
C517
NC
C520
NC
100K
R511
TP502
NC
R518
0
C527
VBAT
R503
33
100PF
C502
ZD501
RSB6.8S-TE61
RSB6.8S-TE61
ZD502
R517
680
C511
6.3V
4.7UF
1K
R515
9
8
VSS
/IRQ
34
/RST
/W
R
28
C507
22NF
29
SDIN
32
SDOUT
SPOUT1
17
18
SPOUT2
SPVDD
15
16
SPVSS
SYNC
30
VDD
7
VREF
34
35
G
G
36
10
HPOUT-L/MONO
HPOUT-
R
11
IFSEL
56
PLLC
31
SCLK
D6
20
D7
12
EQ1
EQ2
13
14
EQ3
2
EXT1
EXT2
19
33
G
G
CLKI
1
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
C501
YMU759-QE2
U502
100NF
R516
1K
100K
R501
3.3K
R507
100NF
C510
2
NO1
10
NO2
1
V+
C508
100PF
12
13
G
G
14
GND
6
4
IN
1
8
IN
2
5
NC1
7
NC2
MAX4684ETB
U501
COM1
3
COM
2
9
11
G
G
TP501
C535
NC
C503
33K
R505
100PF
TP504
C513
10K
R512
100NF
NC
C516
C504
270PF
C505
100PF
NC
R520
0
R521
C529
6.3V
33UF
NC
C533
0
R509
C530
10PF
C534
NC
R519
0
C512
VCCA
TP503
VCCA
1NF
150K
R504
10V
C509
4.7UF
R513
100K
C532
100NF
D(2)
D(6)
D(4)
VIB_EN
MSPK-
MSPK+
AUDIO_OUT_SEL
AOUTAN
AOUTAP
MICOUTP
MICOUTN
MICINP
MICINN
MELODY_VIB
YMU_EN
YMU_IRQ
CP_OEN
RST
CP_WEN
A(0)
CLK13M_YM
U
D(0)
D(1)
D(3)
D(5)
D(7)
MSPK+
MSPK-
C506
330NF
100NF
C515
C521
R510
10K
330NF
VBAT
OBG-415L44-C33P
MIC501
D501
RB520S-30
VCCD
33K
R506
NC
C528
33
R502
1UF
VBAT
10V
C523
C517
NC
C520
NC
100K
R511
TP502
NC
R518
0
C527
VBAT
R503
33
100PF
C502
ZD501
RSB6.8S-TE61
RSB6.8S-TE61
ZD502
R517
680
C511
6.3V
4.7UF
1K
R515
9
8
VSS
/IRQ
34
/RST
/W
R
28
C507
22NF
29
SDIN
32
SDOUT
SPOUT1
17
18
SPOUT2
SPVDD
15
16
SPVSS
SYNC
30
VDD
7
VREF
34
35
G
G
36
10
HPOUT-L/MONO
HPOUT-
R
11
IFSEL
56
PLLC
31
SCLK
D6
20
D7
12
EQ1
EQ2
13
14
EQ3
2
EXT1
EXT2
19
33
G
G
CLKI
1
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
C501
YMU759-QE2
U502
100NF
R516
1K
100K
R501
3.3K
R507
100NF
C510
2
NO1
10
NO2
1
V+
C508
100PF
12
13
G
G
14
GND
6
4
IN
1
8
IN
2
5
NC1
7
NC2
MAX4684ETB
U501
COM1
3
COM
2
9
11
G
G
TP501
C535
NC
C503
33K
R505
100PF
TP504
C513
10K
R512
100NF
NC
C516
C504
270PF
C505
100PF
NC
R520
0
R521
C529
6.3V
33UF
NC
C533
0
R509
C530
10PF
C534
NC
R519
0
C512
VCCA
TP503
VCCA
1NF
150K
R504
10V
C509
4.7UF
R513
100K
C532
100NF
D(2)
D(6)
D(4)
VIB_EN
MSPK-
MSPK+
AUDIO_OUT_SEL
AOUTAN
AOUTAP
MICOUTP
MICOUTN
MICINP
MICINN
MELODY_VIB
YMU_EN
YMU_IRQ
CP_OEN
RST
CP_WEN
A(0)
CLK13M_YM
U
D(0)
D(1)
D(3)
D(5)
D(7)
MSPK+
MSPK-
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-10
U402 CHECK
pin#8 ≥ -65dBm ?
8. GSM Reciever
CONTINUOUS RX ON
RF INPUT : 190CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
U404 CHECK
pin8 : 13MHz ?
Vp-p : 860mV?
U402 CHECK
pin#2,3 ≥ -65dBm ?
U404 CHECK
pin#20,21 ≥ -65dBm ?
Check soldered status of
R426,L402,C450
U401
resolder or change
U402
resolder or change
C408,L401,C409
resolder or change
OSC401 CHECK
clean 3V?
U404 CHECK
pin#9 : clean 3V?
U101 pin#39
check or resolder
U404 pin#1,2,3,28
Vp-p : 100mV?
U404
resolder or change
CHECK
U101
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
OSC401 CHECK
13MHz ?
Vp-p : 950mV?
OSC401
Resolder or
Change?
YES
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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-11
9. GSM transmitter
U402 pin#8 :
about 2~3 dBm?
U401, C407
check&change
U402
pin#1 : 3 V?
U101
check & change
C414
≒ 4~5dBm?
U403
check & change
C423 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY, U404
check & change
Between
R402 & U403 :
1.2V?
YES
NO
R402
check & change
C434 :
≒ -5dBm ?
YES
YES
U403
change
U101
check & change
YES
NO
U404 pin#32
: 3V ?
U101 pin#C4
change or resolder
YES
U404
pin#4,5 : 1.7V ?
YES
U101
change
NO
NO
U404
change or resolder
YES
U404
pin#8 : 13MHz?
Vp-p: 950mV
U404
pin#9 : 3V?
YES
OSC401
pin#3 : 13MHz?
Vp-p : 950mV
OSC401
change or resolder
U101
check or change
0SC401
pin#4 : 3V ?
U101 pin#C4
change or resolder
U101
change or resolder
NO
NO
YES
NO
YES
NO
CONTINUS TX ON CONDITION
TX POWER DAC:500 CODE APPLIED
CH:190
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-12
U402 CHECK
pin#8 ≥ -65dBm ?
10. PCS Receiver
CONTINUOUS RX ON
RF INPUT : 660 CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
U404 CHECK
pin#8 : 13MHz ?
Vp-p : 860mV?
U402 CHECK
pin#4,5 ≥ -65dBm ?
U404 CHECK
pin#16,17 ≥ -65dBm ?
Check soldered status of
R426, L402, C450
U401
resolder or change
U402
resolder or change
C411,L403,C413
resolder or change
OSC401 CHECK
clean 3V?
U404 CHECK
pin#9 : clean 3V?
U101 pin#39
check or resolder
U404 pin#1,2,3,28
Vp-p : 100mV?
U404
resolder or change
CHECK
U101
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
OSC401 CHECK
13MHz ?
Vp-p : 950mV?
OSC401
Resolder or
Change?
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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-13
U404
change or resolder
11. PCS transmitter
U402 pin#8 :
about 2~3 dBm?
U401,C407
check&change
U402
pin#6 : 3 V?
U101
check & change
C435:
≒ 4~5dBm?
U403
check & change
C423 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY, U404
check & change
Between
R402 & U403
: 1.2V?
YES
NO
R402
check & change
NO
C436:
≒ -5dBm ?
YES
YES
YES
U101
check
NO
U404 pin#32
: 3V ?
U101 pin#39
change or resolder
YES
U404
pin#4,5 : 1.7V ?
U101
change
NO
NO
U404
change or resolder
YES
U404
pin#8 : 13MHz?
Vp-p : 950mV
U404
pin#9 : 3V?
YES
YES
OSC401
13MHz?
Vp-p : 950mV
OSC401
change or resolder
U101
check or change
OSC401
pin#4 : 3V ?
U101 pin#39
change or resolder
U101
change or resolder
NO
NO
YES
NO
YES
NO
CONTINUOUS TX ON CONDITION
CH : 660CH(PCS)
TX POWER CODE: 350 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-14
R424
100
1
IN
2
OUT
R422
12
U401
MS-156(02)
G1
3
G2
4
100NF
C422
10NF
C443
6.3V
22UF
C417
C431
100PF
C402
100PF
6.3V
C433
22UF
22PF
C410
C430
100PF
33PF
C436
VBAT
C435
22PF
VRF
R421
L402
33nH
R420
2.2K
560
10NF
PCS-RX
5
PCS-TX
11
VC1
1
6
VC2
C419
G
91
0
GG
12
G
14
GSM-R
X
2
3
GSM-R
X
GSM-T
X
13
4
PCS-RX
U402
LMSP54KA-246TEMP
8
ANT
G
7
C429
100PF
10K
C434
R423
1PF
C408
47PF
GND
2
OUT
3
4
VCC
VT
1
VC-TCXO-208C3
OSC401
L401
33nH
C411
1.5PF
C412
NC
C437
NC
VR
F
100PF
C440
18PF
C439
C409
1PF
1.5PF
C413
L405
33nH
NC
C452
10NF
C438
17
1
GSM850/900I
N
14
GSM850/900OUT
TX_EN
6
5
VBATT
12
VCC
4
VRAM
P
2
GND
GND
38
GND
GND
11
13
GND
GND
15
16
GND
GND
TQM7M4022
U403
7
BS
9
DCS/PCSI
N
10
DCS/PCSOUT
C414
47PF
10NF
C442
6.3V
100UF
C406
ANT2
NC
C404
100PF
C423
R426
0
NC
C453
NC
5.6nH
L403
L404
22PF
C407
10NF
C441
C401
100PF
26
XEN
8
XIN
27
XOUT
10
_PDN
12
_SEN
14
SDI
11
SDO
5
TXI
N
4
TXI
P
7
TXQN
6
TXQP
9
VDD
32
VDD
16
RFIPP
22
RFOD
23
RFOG
3
RXI
N
RXI
P
2
1
RXQN
28
RXQP
13
SCLK
GND 34
35
GND
GND
36
19
RFIDN
18
RFIDP
21
RFIGN
20
RFIGP
17
RFIPN
24
DIAG1
25
DIAG2
15
GND
29
GND
GND 30
31
GND
GND 33
27K,1%
U404
SI4205-BMF
2.7PF
R402
C450
0
R425
C449
10NF
SERLE
10NF C418
ANT
RXTXI
N
RXTXI
P
RXTXQN
RXTXQP
SERCLK
SERDAT
XOENA
CLK13M_RF
13MHZ_SI
SI_EN
GSM_PAM_I
N
DPCS_PAM_I
N
GSM_LNA_IN_P
GSM_LNA_IN_N
DCS_TX_EN
PCS_LNA_IN_P
PCS_LNA_IN_N
GSM_TX_OUT
TX_EN
GSM_PAM_I
N
DPCS_PAM_I
N
TX_BAND_SEL
AFC
CLK13M_RF
CLK13M_M
C
CLK13M_TR
13MHZ_SI
CLK13M_YM
U
GSM_TX_OUT
DCS_TX_OUT
PCS_LNA_IN_P
PCS_LNA_IN_N
GSM_LNA_IN_N
GSM_LNA_IN_P
GSM_TX_EN
DCS_TX_OUT
TXPOWER
R424
100
1
IN
2
OUT
R422
12
U401
MS-156(02)
G1
3
G2
4
100NF
C422
10NF
C443
6.3V
22UF
C417
C431
100PF
C402
100PF
6.3V
C433
22UF
22PF
C410
C430
100PF
33PF
C436
VBAT
C435
22PF
VRF
R421
L402
33nH
R420
2.2K
560
10NF
PCS-RX
5
PCS-TX
11
VC1
1
6
VC2
C419
G
91
0
GG
12
G
14
GSM-R
X
2
3
GSM-R
X
GSM-T
X
13
4
PCS-RX
U402
LMSP54KA-246TEMP
8
ANT
G
7
C429
100PF
10K
C434
R423
1PF
C408
47PF
GND
2
OUT
3
4
VCC
VT
1
VC-TCXO-208C3
OSC401
L401
33nH
C411
1.5PF
C412
NC
C437
NC
VR
F
100PF
C440
18PF
C439
C409
1PF
1.5PF
C413
L405
33nH
NC
C452
10NF
C438
17
1
GSM850/900I
N
14
GSM850/900OUT
TX_EN
6
5
VBATT
12
VCC
4
VRAM
P
2
GND
GND
38
GND
GND
11
13
GND
GND
15
16
GND
GND
TQM7M4022
U403
7
BS
9
DCS/PCSI
N
10
DCS/PCSOUT
C414
47PF
10NF
C442
6.3V
100UF
C406
ANT2
NC
C404
100PF
C423
R426
0
NC
C453
NC
5.6nH
L403
L404
22PF
C407
10NF
C441
C401
100PF
26
XEN
8
XIN
27
XOUT
10
_PDN
12
_SEN
14
SDI
11
SDO
5
TXI
N
4
TXI
P
7
TXQN
6
TXQP
9
VDD
32
VDD
16
RFIPP
22
RFOD
23
RFOG
3
RXI
N
RXI
P
2
1
RXQN
28
RXQP
13
SCLK
GND 34
35
GND
GND
36
19
RFIDN
18
RFIDP
21
RFIGN
20
RFIGP
17
RFIPN
24
DIAG1
25
DIAG2
15
GND
29
GND
GND 30
31
GND
GND 33
27K,1%
U404
SI4205-BMF
2.7PF
R402
C450
0
R425
C449
10NF
SERLE
10NF C418
ANT
RXTXI
N
RXTXI
P
RXTXQN
RXTXQP
SERCLK
SERDAT
XOENA
CLK13M_RF
13MHZ_SI
SI_EN
GSM_PAM_I
N
DPCS_PAM_I
N
GSM_LNA_IN_P
GSM_LNA_IN_N
DCS_TX_EN
PCS_LNA_IN_P
PCS_LNA_IN_N
GSM_TX_OUT
TX_EN
GSM_PAM_I
N
DPCS_PAM_I
N
TX_BAND_SEL
AFC
CLK13M_RF
CLK13M_M
C
CLK13M_TR
13MHZ_SI
CLK13M_YM
U
GSM_TX_OUT
DCS_TX_OUT
PCS_LNA_IN_P
PCS_LNA_IN_N
GSM_LNA_IN_N
GSM_LNA_IN_P
GSM_TX_EN
DCS_TX_OUT
TXPOWER