Samsung E2510 Troubleshooting 6
9. Flow Chart of Troubleshooting
Power On
9-1.
OWER ON' does not work
'P
Yes
Check battery voltage
is higher than
Check VCC_SYN_2.8V
and VDD3_1.8V of U101
Check the pin1of
OSC100 produces clock
Check the pin8of U101
produces
signal
26M
3.3V
OK
OK
OK
pulse signal
Not OK
NotOK
Not OK
Not OK
Change battery
older PMIC, U101, C129, C130 and
S
older OSC100, U101 and C131 again
S
C131 again
older OSC100 again
S
OK
No
Is Power On working?
Yes
END
Repeat sequence
9-1
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Flow Chart of Troubleshooting
Power On
PON_PA
CAMERA_26MHz
BT_CLK
D_REF_CLK
RFS100
A
1CG3G4
2
L102
C100
7
2
VLOGIC
3
RAMP
R111
C115
TX_EN
4
27
29
VRAMP
TX_EN
GSM_IN
DCS|PCS_IN
1
G
G
G
G
G
G
G
G
0
5
6
8
9
8
9
7
1
1
1
1
1
1
R113
+VDD_RX_TX_2.8V
C128
+VDD_IO_LOW_1.8V
PON_SYNTH
R115
C129
C130
C131
RX_TX_IP
RX_TX_IN
RX_TX_QP
RX_TX_QN
RF_DATA
RF_EN
RF_CLK
C133
R117
9
N
D
P
_
XOUT
8
BIP
7
BIN
6
BQP
5
BQN
4
SDIO
3
_SEN
2
SCLK
1
NC
36
D
C
C
N
N
N
G
3334
35
T
N
A
G
10
32
PAM100
G
0
2
E
T
S
E
R
_
N
E
X
C142
L104
V_BATT
TA100
0
3
T
T
A
B
V
G
G
G
G
5
4
3
2
1
2
2
2
2
2
BS1
BS2
RX1
RX2
RX3
RX4
G
G
G
G
G
G
G
G
G
1
8
6
6
5
4
3
2
3
2
2
3
3
3
3
3
R114
14
12
13
11
O
I
V
1
L
A
T
X
31
U101
30
1615
L
H
D
D
D
O
O
N
D
D
F
F
V
V
G
R
R
RFIPP
RFIPN
RFIDP
RFIDN
RFIEP
RFIEN
RFIAP
RFIAN
2
L
V
I
A
D
D
C
T
D
D
D
F
X
X
V
V
A
27
25
2829
26
ANT100
12
L106
C108
2GG3G51 0
G
OUT2 7
IN2
4
OUT2
6
OUT1
9
5
6
11
12
13
14
17
18
19
20
21
22
23
E
24
D
O
M
X
C135
+VDD_SYN_2.8V
VC1
VC2
1
4
1
IN1
2GG3G51 0
IN2
IN1
8OUT1
F100
G
OUT2 7
OUT2
6
OUT1
9
8OUT1
F101
L105
C112
C113
C114
C116
C122
C124
C127
850 RX
L108
900 RX
L109
1800 RX
L111
1900 RX
REF_ON_PMU
OSC100
43
2
1
9-2
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Flow Chart of Troubleshooting
0
S
1
0
C
O
U101
C112
C108
C114
C113
C122
C116
C127
C124
TA10 0
1
M
0
0
A
P
R11 4
9-3
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Flow Chart of Troubleshooting
Initial
9-2.
Initial Failure
Yes
Check VDD1, VDD3=1.8V,
VDD2=2.9V and AVDD=2.6V
of UCP
Check D_REF_CLK of
UCP
END
200
OK
200
OK
Not OK
Not OK
Check U302
Check U101 and POWER ON Sequence
9-4
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V
V_BATT
Flow Chart of Troubleshooting
PMU_INT
SIMOFFn
RSTON
REF_ON_PMU
32KHz_DIGIT
+VDD_VIB_3.3V
+VDD_SD_2.9V
+VDD_KEY_3.3V
+VDD_IO_HIGH_2.9V
+AVDD_2.6V
+VDD_SLEEP_2.9V
+VDD_USB_3.3V
C316
C317
C301
1
2
3
4
5
6
7
8
9
10
11
12
13
57
R304
R305
+VDD_PLL_1.2V
C314
8
9
5
5
C
C
N
N
OSCI
OSCO
_IRQ
SIMCKHC
_SIMRSHC
SIMIOHC|_SIMOFF
_RSTHC
GPO3
GPO2
GPO1
PWREN1
PWREN2
K
2
3
VSS
K
L
VSS
C
4
1
C300
C305
C307
C309
C311
+VDD_IO_LOW_1.8V
+AVDD_HFA_2.6V
+SIM_VCC_3.0V
+VDD_RX_TX_2.8V
+VDD_SYN_2.8V
C336
C318
V_EXT_CHARGE_5.0V
VBUS_5.0V
V_BATT
C321
7
5
6
4
3
1
2
6
9
2
5
5
D
D
D
D
V
V
C
C
L
L
8
1
0
5
5
T
A
D
D
B
V
V
1
1
D
D
5
4
4
4
4
4
D
D
D
D
V
V
3
P
L
D
4
5
T
T
D
D
D
A
A
D
D
D
B
B
V
V
V
V
V
2
C
O
I
D
H
U302
T
T
D
D
A
A
B
D
D
D
X
L
V
D
D
D
D
D
V
V
V
C
5
6
4
D
5
1
C
D
D
D
D
7
6
9
8
3
1
1
1
1
5
C
D
B
K
V
V
C
D
D
A
L
M
C
C
I
D
C
S
D
S
S
D
2
3
1
0
2
2
2
2
0
4
4
4
4
E
C
V
C
D
D
DD
A
V
V
V
39
S
1
2
M
VSS
I
F
F
V
S
R
R
38
VCHG
37
USBVIN
36
CHGCUR
35
_REC2
34
_REC1
33
VBATSENSE
32
VISA
31
REFGND
30
REFC
29
MICBIAS
28
D
_ONKEY
C
S
CD
R
O
I
M
I
S
4
5
2
2
V_BATT
27
N
N
E
E
NTC
M
I
M
M
I
I
S
_
S
S
6
4
2
5
R320
C327
R314
C337
C322
ONKEYN
+VDD_IO_LOW_1.8V
SCL
SDA
C319
JACK_IN
AUX_ON
R318
MES_BATT
C306
C308
C310
C312
OSC300
3
1
2
R316
C324
C325
C326
PMU
L300
C328
+VDD_GSM_CORE_1.2V
V_EXT_CHARGE_IF_5.0V
U304
NC
IN1OUT
V_EXT_CHARGE_5.0
5
9-5
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Flow Chart of Troubleshooting
C31 1
C30 9
C30 7
C30 5
C30 0
C32 1
C30 6
C30 8
C31 0
C31 2
ZD503
C314
C316
C317
R21 0 R21 6
R20 6
C32 8
L300
C20 3
R30 4
R30 5
C30 1
C21 0
C21 1
R22 0
R21 9
C21 9
C20 6
C20 8
C22 2
R22 2
C32 7
C326
C325
C324
ZD 10 0
0
0
3
C
S
O
TP30 3
C43 2
C42 1
U400
C42 4
C43 0
C21 6
C40 5C41 6
R40 3R41 0
C13 8
R21 8
U102
C42 8
L409
C42 7
L408
C42 0
C43 1
9-6
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Flow Chart of Troubleshooting
9-3. S
IM Part
Insert SIM" is displayed on the LCD
"
The voltage is
at the pin#11 of CD300
Yes
Is there any signal pin
pin#
13,15,16
Check the SIM Card
of CD300
Yes
3.0V
No
No
Check UCP200,C311
Check UCP
200,
U301
SD_DETECT
+VDD_IO_HIGH_2.9V
SD_DET
END
U303
SD_DET
SD_CMD
SD_CLK
SD_DATA
SIM_RST
SIM_CLK
SIM_IO
+VDD_IO_HIGH_2.9V
R322
3
0
3
D
Z
+VDD_SD_2.9V
R323
R327
R325
R324 R326
5
4
3
1
2
ZD304
+VDD_SD_2.9V
+SIM_VCC_3.0V
R328
6
C333
C339
C332
C338
C331
CD300
1
SW-B
2
SW-A
3
1
4
2
5
3
6
4
7
5
8
6
9
7
10
8
11
C1
12
C5
13
C2
14
C6
15
C3
16
C7
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
6
5
4
Y
NC
VCC
GND
1
NC
2
A
3
2
0
3
D
Z
9-7
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Flow Chart of Troubleshooting
9-4.
Microphone Part-Phone MIC
Phone MIC does not work
Yes
Check the connection
of MIC
OK
Check MIC_BIAS_2.15V
When UCP200 operates
(
and call is connected
Check thecomponents
which are connected to
MIC_BIAS_2.15V
)
OK
Not OK
Not OK
Not OK
older MIC again
S
older C222 again and check UCP200
S
Solder R222 again
OK
Check the circuit
of MIC PART
OK
Is Phone MIC working?
Yes
END
Not OK
No
older C403,C404, C406, L402 and
S
L404 again
Replace MIC
9-8
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Flow Chart of Troubleshooting
0
0
4
D
Z
MIC400
1
1
2
2
1
0
4
D
Z
L402
L404
MAIN_MI C
Close to microphone
C401
C404
C408
+MIC_BIAS_2.15V
R414
TA400
R406
R407
R415
C403
C406
Close to MCP
R403
MIC_P
C405
MIC_N
400
C22 2
R22 2
C40 5C41 6
R41 0
R40 3
R21
9-9
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C40 1C40 4C40 8
L40 2L40 4
ZD400ZD401
Flow Chart of Troubleshooting
9-5.
Microphone Part-Earphone MIC
Earphone MIC does not work
Yes
Check the connection
of IFC400
OK
Check JACK IN is low
when ear jack is inserted.
OK
Not OK
NotOK
older pin
S
older IFC400, F400
S
of IFC400 again
3, 4
Check MIC_BIAS_2.15V
When UCP200 operates
(
and call is connected
Check the circuit
of EAR MIC
Is Earphone MIC working?
END
)
OK
OK
Yes
Not OK
Not OK
No
older C222 again and check UCP200
S
older C414, C415, C417, L406
S
and L407 again
Repeat the sequence
9-10
SAMSUNG Proprietary-Contents may change without notice
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+MIC_BIAS_2.15V
V
Flow Chart of Troubleshooting
MAIN_MI C
C412
EARMIC_P
C415
EARMIC_N
C419
R414
TA400
R415
Close to IF Close to MCP
L406
L407
R408
R409
C414
C417
EAR_MIC
R410
C413
AUXMIC_P
C416
AUXMIC_N
C418
+VDD_IO_HIGH_2.9
IFC400
V_EXT_CHARGE_IF_5.0V
V_BATT
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
5
6
4
ZD402
2
R419
3
1
6
L400
3
4
5
ZD403
2
FM_ANT
R400 R401 R402
EARMIC_P
L403
L411
C409
USB_D+
USB_D-
VBUS_IF_5.0V
1
J
J
J
T
T
T
_
_
_
N
1
1
D
O
D
_
X
X
X
T
R
U
A
C436
F400
1
OUT1
IN1
2
OUT2
IN2
3
OUT3
IN3
4
OUT4
IN4
GNDGND
9
10
R404
5
6
7
8
EARMIC_N
EARSPK_R
EARSPK_L
EAR_SWITCH
EAR_AD C
R405
JACK_IN
TXD1
RXD1
AUX_O N
9-11
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Flow Chart of Troubleshooting
R22 2
400
C22 2
R41 0
C40 5C41 6
R40 3
L40 6
L40 7
C32 9
4
R21
R21 8
L400
R41 9
R40 2
R40 1
3
U
0
R40 5
R33 6
9-12
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Flow Chart of Troubleshooting
9-6.
Earphone Part
Earphone does not work
Check the voltages of
R400, R401 and R402 are
R413, R418 and U400
Yes
Check the circuit
of IFC400
OK
2.9V
OK
Check the circuit
Not OK
Not OK
Not OK
older pin
S
L403 and L411 again
,
older R400, R401 and R402 again
S
older R413 and R418 again
S
5,7
of IFC400
OK
Is JACK_INT signal LOW?
When UCP200 operate
(
Check EAR SW
s)
Yes
Ok
No
Not OK
No
Check UCP200 or Change UCP200
older Jack_IN again
S
Solder R401 again
END
9-13
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
N5
C
S
O
W
R
V_EXT_CHARGE_IF_5.0V
IFC400
10
11
12
13
14
15
16
17
18
19
20
NC
NC
NC
NC
NC
NC
NC
V_BATT
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
R419
L400
L403
L411
FM_ANT
USB_D+
USB_D-
VBUS_IF_5.0V
C409
C436
+VDD_IO_HIGH_2.9V
R400 R401 R402
EARMIC_P
EARMIC_N
EARSPK_R
EARSPK_L
R404
F400
1
IN1
2
IN2
3
IN3
4
IN4
5
OUT1
6
OUT2
7
OUT3
8
OUT4
GNDGND
9
10
EAR_SWITCH
EAR_AD C
R405
JACK_IN
TXD1
RXD1
AUX_O N
SDA
HFR_P
HFR_N
EAR1
EAR2
SCL
6
4
5
C423
C434
ZD402
2
C424
C435
1
3
C431C430
4
ZD403
2
1
3
V_BATT
C420
5
1
B
C
D
D
D
D
V
V
P
D4
C432
RXIN-
B4
RXIN+
D2
INA1
D1
INA2
C2
INB1
C1
INB2
B2
BIAS
B3
SDA
C3
SCL
OUT-
OUT+
HPR
HPL
U400
C1N
C1P
D
D
N
S
N
S
G
V
P
G
4
3
3
C
A
D
J
J
J
T
T
T
_
_
_
N
1
1
D
O
D
_
X
X
X
T
R
U
A
C421
L408
D5
B5
A1
A2
A4
A5
1
NC
2
NC
C429
L409
R413
R418
C427
C428
SPK_N
SPK_P
EARSPK_R
EARSPK_L
6
5
TA401
C433
CS3_N
UCP200
OE_N_R_W_N
PDICS1_N
PDICS2_N
PDIRD_N
PDIWR_N
RESET_N
RSTBB_N
RSTEXT_N
SIMRST_N
WE_N_E
UNLOCK
MICBIAS
TRST_N
MICN
MICP
EAR1
EAR2
D12
B12
A12
E11
C11
C12
E14
H3
U9
V16
L18
L17
E18
F18
R4
F1
L5
EAR1
EAR2
A1
9-14
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