Samsung C5530 Troubleshooting
Flow Chart of Troubleshooting
9.
Baseband
9-1.
Power ON
9-1-1
Power On'does not work
'
Yes
Check the Battery
Voltage
is more than
C421 (
C401(VDD_IO_LOW_1.8V)
C414(
VINT
Check the Clock at
OSC400
VDD_IO_HIGH_2.
="
3.4V
Yes
) = 2.55
Yes
=32.7
Yes
H"?
Yes
KHZ
5
V?
V)
No
No
No
&
No
Change the Battery
Check the PMU related to VINT
Resolder OSC
Check the related circuit
400
C425(VDD_GSM_CORE_1.2V)=
1.2V ?
Yes
Check the initial operation
Yes
END
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9-1
No
Check the VDD_GSM_CORE_1.2V
circuit
Flow Chart of Troubleshooting
9-2
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Flow Chart of Troubleshooting
9-1-2.
Initial
Initial Failure
Yes
C345(RSTON_PMU
Yes
R336(RSTON_BB
Yes
Check the16bit data signal
memory CE
&
)="
)="
H"?
H"?
No
Check the circuit related to reset
No
change UCP300
END
Yes
9-3
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Flow Chart of Troubleshooting
9-4
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Flow Chart of Troubleshooting
9-1-3.
SIM Part
Phone can't access SIM Card
Check SIM_CLK Signal on
pin#3of SIM
SIM600 pin
After Power ON,
second
Yes
#4 = "
Yes
600ina
Yes
H"?
few
No
Resolder or replace U400
No
Check the Clock
After SIM card insert,
SIM600 pin
H(SIM_RST)"?
"
Check the SIM Card
#2 =
Yes
Yes
END
No
Replace PBA
9-5
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Flow Chart of Troubleshooting
9-6
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Flow Chart of Troubleshooting
9-1-4.
Charging Par
Abnormal charging part
Check U400 pin#A2,
B2(C420) is around
#
t
Yes
when charging
Yes
END
5V
No
Check the TA
9-7
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Flow Chart of Troubleshooting
9-8
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Flow Chart of Troubleshooting
9-1-5.
9-1-5-1.
Microphone Part
Main Mic Part
Microphone does not work
Check the connection
from MIC
Check the circuit
fromUCP300 to Main MIC
Yes
Yes
Yes
No
No
Resolder MIC
Resolder the L517, L518, L501, L504,
R500, R501, C505, C510, L513, L514
No
Check the MIC
Yes
END
Replace the MIC
9-9
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Flow Chart of Troubleshooting
9-10
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Flow Chart of Troubleshooting
9-1-5.
9-1-5-2.
Microphone Part
sub Mic Part
Microphone does not work
Check the connection
from MIC
Connect U502
from
#9to#7
Yes
No
Resloder MIC
Yes
No
Replace U502
Yes
Check the circuit
from
U502
END
to UCP300
No
Yes
Resolder the L505, L506,
C520, C523, L507, L508, R508,
R509
9-11
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Flow Chart of Troubleshooting
7
8
1
1
3
3
C
C
2
4
C
3
R326
C
3
0
8
C
3
3
2
0
0
3
P
C
U
C
5
0
9
C
3
0
0
R331
R303
R
3
1
9
C305
R
3
0
4
8
2
0
6
0
P
T
3
R
R320
L
5
0
8
1
3
2
3
3
3
C
C
C
0
8
5
C338
C505
2
L
5
0
7
L
L
5
5
1
0
4
8
C
2
1
5
C510
C520
C339
C340
C310
7
0
3
C
C
3
2
2
C
3
2
1
5
5
1
C
C516
C
7
5
1
C518
Z
D
5
0
6
C
5
2
C341
R510
9
1
5
3
2
C
5
C
5
R
0
3
R
0
9
5
L
5
0
4
0
0
7
Z
F
D
5
0
7
7
3
3
C
4
0
5
0
8
5
R
C
R500
R
5
0
L
1
5
0
1
9-12
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Flow Chart of Troubleshooting
9-1-6.
Speaker Part
Speaker does not work
Is Speaker working?
C307
Yes
="H"?
Yes
END
No
Resolder or replace UCP300
Yes
No
Replace Speaker
9-13
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0
0
3
P
C
U
C339
C340
Flow Chart of Troubleshooting
8
7
1
1
3
3
C
C
4
3
2
C
R326
8
3
0
C
C
2
3
3
C310
0
7
3
C
2
3
2
C
1
3
2
C
R331
R303
5
1
C
5
C516
7
1
C
5
C518
Z
D
5
0
9
C
5
0
3
0
C
0
C305
8
2
3
3
0
R
4
1
R
9
3
R320
C
8
2
P
6
T
0
0
3
R
C338
L
5
0
1
3
3
3
C
L
5
1
4
C
8
0
5
C505
C510
2
L
5
0
7
L
5
0
8
C
1
2
5
C520
6
2
C
5
C341
R510
9
1
5
3
2
C
5
C
0
R
5
3
R
9
0
5
L
5
0
4
0
0
7
Z
F
D
5
0
7
3
7
3
C
4
0
5
0
R
5
8
L
5
0
1
C
R500
R
5
0
1
9-14
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