Samsung S5510 Troubleshooting 6
9. Flow Chart of Troubleshooting
9-1.
9-1-1.
Baseband
Power ON
Power On' does not work
'
Check the current consumption
Current
consumption
>= 100
Check the Vbat
Voltage
Yes
mA
Yes
>=3.3V
Yes
No
No
Current
consumption
mA
>= 30
Yes
Download again
Charge the Battery
No
Check the pin3
of TR400
Low
Check the Q400
High
Check the UCP301
Check the power
VREG_RF1_2.3V
VREG_RF2_1.4V
VREG_MSMC_1.2V
VREG_USIM_2.85V
VREG_TCXO_2.85V
VREG_RFTX2_1.3V
VREG_RFRX2_1.3V
VREG_RFA_2.2V
VREG_MSMP_2.6V
VREG_MSME_1.8V
VREG_GP1_2.85V
VREG_GP2_2.9V
Yes
Check the clock
Check the pin
of TCXO
Check the OSC400(32.768KHz)
3
Yes
Yes
END
No
No
Change the UCP301
Check
9-1
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Flow Chart of Troubleshooting
VREG_TCXO_2.85V
0
0
7
R
V
R701
VBATT_ID
R709
L700
C708
3
0
7
D
Z
VPH_PWR
VBAT
BTC700
1
1
2
2
3
3
4
NC
5
NC
TA701
6
NC
7
NC
0
0
7
D
VBAT
C456 C457
S4S
G
3
6
125
TR400
BAT_FET_N
C404
C406
BATTERY CONTACT
R405
2
1
OSC400
3
3
2
2
V
U
N
I
_
M
9
1
_
L
UCP301-2
A
T
X
QSC6240
3
3
3
2
0
1
2
2
1
2
1
2
A
B
W
W
W
W
A
A
1
1
F
T
P
U
G
O
_
_
N
M
E
9
_
1
_
O
L
X
A
T
X
T
N
N
I
I
P
E
U
_
_
G
R
O
C
K
_
_
_
2
D
T
C
3
K
A
U
2
_
D
_
3
L
O
A
O
_
_
A
_
L
X
T
O
O
A
X
X
X
T
X
N
_
T
E
S
E
R
_
N
O
P
_
D
2
D
TRK_LO_ADJ
0
0
4
P
T
3
0
1
0
9
1
1
1
1
A
A
C
V
V
A
A
A
T
N
N
M
_
X
_
R
T
E
R
E
_
E
H
W
F
S
T
P
E
E
_
_
R
R
F
D
_
_
E
P
R
N
R
K
O
V
P
R206
R207
C221
TCXO
C222
TCX200
1
2
VREG_TCXO_2.85V
N
C
4
O
C
C
V
V
T
D
3
U
N
O
G
C220
C229
C228
TCXO
9-2
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Flow Chart of Troubleshooting
9-1-2.
Sim Part
Insert SIM is displayed on the LCD
"
Yes
Check the SIM connector's
SIM700) connection to
(
SIM card
Yes
Check the voltage at pin
of SIM700
Is there any signals pin2,
4
of SIM
>= 2.8V ?
Yes
700 ?
1
3,
No
No
No
Resolder or change SIM
Check the UCP301
Check the UCP3
700
01
Yes
Check the SIM Card
END
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VREG_USIM_2.85V
Flow Chart of Troubleshooting
USB_D_P
USB_D_M
KEYPAD(4)
KEYPAD(3)
KEYPAD(2)
KEYPAD(1)
KEYPAD(0)
USIM_RESET
USIM_CLK
1
0
3
D
Z
1
C300
2
3
4
KEYSENSE_N(4)
KEYSENSE_N(3)
KEYSENSE_N(2)
KEYSENSE_N(1)
KEYSENSE_N(0)
UART1_RX
UART1_TX
UART1_RTS
UART1_CTS
USIM_DATA
USIM_CLK
USIM_RESET
R702
USIM_DATA
C702
C704
SIM700
6
22
33 4
7
88
G
6
5
12 12
10 10
G
1314GG1516
5
4
1111
1 1
7
9 9
C706C703 C705
USIM CONNECTOR
)
)
)
7
(
A
T
A
D
_
F
I
M
A
P1 : 1.8V (VREG_MSME_2.8V)
P2 : 1.8V/2.6V (VREG_MSME_1.8V or VREG_MSMP_2.6V)
P3 : 1.8V/2.6V(VREG_USIM)
P4 : 1.8V (VREG_MSME_1.8V)
P5 : 1.8V (VREG_MSME_1.8V)
P6 : 1.8V/2.6V (VREG_MSME_1.8V or VREG_MSMP_2.6V)
P7 : 2.6V (VREG_MSMP_2.6V)
V
U
5
L
0
V
5
D
S
5
6
E
P
TP_USB_ID
P1
P1
P1
P1
P1
P1
P1
P1
P1
P1
P5
P5
P5
P5
P5
P3
P3
AA2
GPIO_9|KEYPAD_4
Y3
GPIO_10|KEYPAD_3
AA1
GPIO_11|KEYPAD_2
Y2
GPIO_12|KEYPAD_1
Y1
GPIO_13|KEYPAD_0
W3
GPIO_14|KEYSENSE4_N
W2
GPIO_15|KEYSENSE3_N
V2
GPIO_16|KEYSENSE2_N
V1
GPIO_17|KEYSENSE1_N
W1
GPIO_18|KEYSENSE0_N
AA8
USB_ID
AC7
USB_DP
AC6
USB_DM
E10
UART1_RXD
C10
UART1_TXD
F11
GPIO_8|UART1_RFR_N
F10
GPIO_7|UART1_CTS_N
AC5
GPIO_47|USIM_DATA
AB6
GPIO_46|USIM_CLK
AC4
GPIO_45|USIM_RESET
AB8
GPIO_73|MUSIM_DP
AA7
C
5
P
4
1
C
9
_
A
T
A
D
_
F
I
M
A
C
|
7
3
_
O
I
P
G
UCP301-1
)
)
)
)
)
3
0
4
1
2
5
6
(
(
(
(
(
(
(
A
A
A
A
A
A
A
T
T
T
T
T
T
T
A
A
A
A
A
A
A
D
D
D
D
D
D
D
_
_
_
_
_
_
_
)
F
F
F
F
F
F
F
0
I
I
I
I
I
I
I
(
A
M
M
M
M
M
M
M
T
A
A
A
A
A
A
A
A
D
_
C
C
C
C
C
C
C
F
I
M
A
C
_
P
5
P
4
1
B
T
5
5
5
5
5
5
5
P
P
P
P
P
P
P
2
3
3
3
2
2
3
1
1
1
1
1
1
1
E
F
F
C
C
B
B
4
8
7
5
2
6
3
_
_
_
_
_
_
_
A
A
A
A
A
A
A
T
T
T
T
T
T
T
A
A
A
A
A
A
A
D
D
D
D
D
D
D
_
_
_
_
_
_
_
F
F
F
F
F
F
F
I
I
I
I
I
I
I
M
M
M
M
M
M
M
A
A
A
A
A
A
A
C
C
C
C
C
C
C
|
|
|
|
|
|
|
3
6
4
5
1
2
0
3
3
3
3
3
3
3
_
_
_
_
_
_
_
O
O
O
O
O
O
O
I
I
I
I
I
I
I
P
P
P
P
P
P
P
G
G
G
G
G
G
G
UCP301-2
VREG_CDC2
VREG_MPLL
VREG_MSME
VREG_MSMP
VREG_RFRX2
VREG_RFTX2
VREG_TCXO
VREG_USB_2P6
VREG_USB_3P3
TX_DAC_REF_BYP
VDD_EBI_RFA
VDD_PAD_SIM
AC12
VSW_5V
AC11
VREG_5V
AC18
VSW_MSMC
AC15
VSW_RF1
AB15
VREG_RF1
AC17
VSW_RF2
AB17
VREG_RF2
M18
AA22
VREG_GP1
Y22
VREG_GP2
T13
W15
W13
W16
VREG_RFA
W21
V21
U22
W14
VREG_USIM
V15
V14
AC20
VREG_NCP
AB18
NCP_CTC1
AB19
NCP_CTC2
AC1
REF_GND
AC9
REF_BYP
B18
AA19
VDD_MSMC
AA15
AA20
VDD_NCP
AA12
L402
L403
L404
C417
C421
VPH_PWR
VREG_MSMC_1.2V
1
0
1
1
4
4
C
C
VREG_RF2_1.4V
VREG_RF1_2.3V
2
1
4
C
VREG_RF1_2.3V
VREG_RF2_1.4V
VREG_USIM_2.85V
1
2
3
3
4
4
C
C
VREG_RFTX2_1.3V
VREG_TCXO_2.85V
3
3
4
2
2
3
4
4
4
C
C
C
VREG_RFRX2_1.3V
VREG_RFA_2.2V
VREG_MSMP_2.6V
6
5
2
2
4
4
C
C
VREG_MSME_1.8V
7
2
4
C
8
4
2
3
4
4
C
C
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-3.
Microphone Part
Microphone does not work
Is the assembled status of
microphone O.K?
Check the reference voltage on mic path
HSED_BIAS
between MIC+&MIC-
Yes
Yes
Yes
On booting,
≒
Yes
On booting,
Yes
END
1.8V ?
≒
0.8V?
No
No
No
Reassembled the microphone
Check UCP301
Resolder or change
C508, C510, C513
9-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
HSED_BIAS_1.8V
Flow Chart of Troubleshooting
C505
C506
MIC_501
C508
1
OUT
2
GND
3
GND
4
PWR
5
GND
6
GND
2
0
5
D
Z
C510
5
3
5
C
C513
C509
MIC1_MSM_P
MIC1_MSM_N
MAIN MIC PATH
UCP301-1
2
Close to QSC
1
B
B
M
P
L
B
H
_
G
_
N
I
_
X
R
3
2
F
P
X
R
_
0
5
8
M
S
G
H
B
_
_
H
U
U
_
_
_
G
T
T
_
U
U
N
I
O
O
_
_
_
X
X
X
T
R
T
3
1
9
2
2
1
A
A
G
X
P
M
T
X
X
_
R
0
R
_
0
_
9
S
S
S
C
C
T
D
D
M
U
B
B
B
L
H
H
_
U
_
T
U
O
_
X
T
0
2
A
X
T
_
0
0
1
2
S
T
M
U
N
I
_
_
_
G
G
T
_
_
E
T
T
C
1
0
D
U
O
_
X
T
3
2
B
X
T
_
0
0
9
M
S
G
_
0
5
8
M
S
G
A
U
_
D
O
R
_
_
W
A
X
P
T
P
3
8
2
2
1
2
C
A
A
X
L
T
T
T
_
C
0
E
_
0
D
9
R
_
1
R
W
S
P
W
C
_
P
P
A
_
P
0
_
0
8
M
1
S
S
G
C
D
N
N
N
I
I
1
A
A
C
I
K
K
H
M
H
2
1
2
2
2
2
T
R
N
N
I
D
I
_
_
M
T
T
R
A
E
B
H
V
T
V
P
N
P
2
2
1
C
C
C
I
I
I
M
M
M
2
3
2
1
2
2
2
2
P
P
P
N
P
P
N
N
_
_
_
_
M
M
M
M
S
S
S
S
M
M
M
M
_
_
_
_
1
2
2
1
C
C
C
C
I
I
I
I
M
M
M
M
HSED_BIAS_1.8V
N
P
_
N
P
_
_
R
L
_
_
N
N
I
I
_
_
E
E
N
N
I
I
L
L
3
2
N
T
T
U
U
O
O
L
R
_
_
O
O
I
I
D
D
A
A
R
R
_
L
R
S
_
_
A
I
B
_
D
E
S
H
9
1
U
G
T
T
E
U
U
N
P
O
V
O
_
_
_
H
P
H
8
1
P
R
_
T
U
O
_
H
P
H
O
H
H
R
P
P
A
H
H
E
9
9
9
1
1
1
T
R
N
T
R
O
L
H
_
S
T
3
0
6
U
0
O
m
_
h
H
o
0
P
H
8
0
3
R
N
P
_
_
R
L
_
_
T
T
U
U
N
O
R
A
E
9
1
P
T
R
O
H
S
3
0
6
0
m
h
o
0
9
0
3
R
P
O
O
_
_
M
E
E
O
N
N
C
I
I
L
L
C
1
1
1
2
2
2
T
R
M
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-4.
Receiver Part
There is no sound from the Receiver
Is the terminal of Receiver
Is there any signals at the
R308 and R309 of UCP3
O.K
END
Yes
?
Yes
Yes
01?
No
Replace the Receiver
No
Check R308, R309
9-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
LCD_CS_O
SUB_LCD_CS
LCD_RST_O
GPIO_57|GPS_ADCCLK
GPIO_56|GPS_SSBI
GPIO_55|GPS_ADCI
M
B
L
_
G
|
U
_
N
I
_
X
R
2
2
K
RCV_N
RCV_P
P
B
L
_
G
|
U
_
N
I
_
X
R
3
2
2
2
L
H
11 12
10
10
99
7788
5
5
5
0
0
4
1
0
1
0
K
6
7
R
4
3
0
6
0
F
6
P
C
7
C600
1000nF
1005
16V
3
1
1
HEA1
66
43
4
2
2
LCD PCB CONN
P
M
1
1
P
M
B
B
2
H
H
B
_
_
H
G
G
_
|
|
U
U
U
_
_
_
N
N
N
I
I
I
_
_
_
X
X
X
R
R
R
3
3
3
2
2
2
J
L
K
M
2
P
M
B
B
B
B
H
L
L
H
_
_
_
_
G
G
G
U
_
_
_
_
N
N
N
N
I
I
I
I
_
_
_
_
X
X
X
X
R
R
R
R
3
2
3
2
2
2
2
2
J
F
H
G
2
1
B
B
B
B
P
B
H
_
G
_
N
I
_
X
R
9
1
A
L
L
H
H
_
_
_
_
G
U
U
U
_
_
_
_
T
T
T
T
U
U
U
U
O
O
O
O
_
_
_
_
X
X
X
X
T
T
T
T
2
3
0
1
2
2
2
2
A
B
A
A
B
H
N
I
_
_
G
T
_
E
T
C
D
U
A
_
D
O
R
_
_
A
W
X
T
P
P
3
8
2
2
1
2
T
A
C
UCP301-1
QSC6240
0
1
P
N
N
N
N
I
I
A
A
K
K
H
H
2
1
2
2
R
N
P
1
2
1
2
C
C
C
C
I
I
I
I
M
M
M
M
2
1
2
3
2
2
2
2
P
P
P
N
N
P
_
N
_
R
_
N
I
_
E
N
I
L
3
2
N
_
P
R
L
S
_
_
_
L
_
N
I
_
E
N
I
L
9
1
U
G
A
T
T
E
I
U
U
B
N
_
O
O
V
_
_
_
D
H
E
H
H
S
P
P
P
H
H
H
H
9
9
8
9
1
1
1
1
T
P
N
R
N
P
_
_
R
L
_
_
T
T
U
U
N
P
O
O
_
_
O
O
E
E
R
R
N
N
A
A
I
I
E
E
L
L
1
1
9
1
2
2
1
2
T
P
R
M
P
M
X
X
R
R
_
_
0
0
0
0
9
9
G
G
_
_
0
0
0
0
9
9
U
U
P
P
M
M
X
X
X
X
R
R
R
R
_
_
_
_
0
S
0
S
0
0
C
C
1
1
P
2
P
2
S
S
T
T
M
M
U
U
P
P
M
X
R
_
0
5
8
M
S
G
X
M
X
X
T
X
_
R
R
R
0
_
_
_
0
0
S
S
9
5
C
C
8
S
D
D
T
M
M
S
U
G
T
X
X
X
E
T
T
T
_
_
_
D
0
0
0
_
0
0
0
R
9
1
9
1
2
W
M
S
S
P
S
T
C
G
P
M
_
_
U
0
0
5
0
8
8
M
1
S
S
C
G
D
N
N
L
D
I
I
_
T
_
_
M
C
T
M
_
S
T
R
R
A
M
E
_
B
W
H
1
V
P
T
C
_
I
V
A
M
P
_
M
S
G
T
P
P
N
_
M
S
M
_
1
C
I
M
T
_
_
U
U
M
M
O
O
S
S
L
R
_
_
M
M
_
O
_
O
I
I
2
2
D
D
C
C
I
I
A
A
M
R
M
R
HSED_BIAS_1.8V
9-8
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This Document can not be used without Samsung's authorization
T
T
R
R
O
O
H
H
S
S
L
R
_
T
U
O
_
H
P
H
3
3
_
0
0
6
6
T
0
0
U
m
m
O
h
h
_
o
o
H
0
0
P
H
9
8
0
0
3
3
R
R
P
N
P
N
_
_
_
_
V
V
T
T
C
C
U
U
R
R
O
O
_
_
K
K
P
P
S
S
Flow Chart of Troubleshooting
9-1-5.
SPK Part
There is no sound from the Buzzer
Yes
Is the terminal of Speaker
Is there any signals at the
Is there any signals at the
C520 and C523 of UCP3
O.K
?
Yes
C528 and C529, L503,
L504 of U502
?
YES
YES
END
01?
No
No
NO
Replace the Speaker
Check connetion between
SPK module&HEA1
Check U502
9-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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