GH68-08501A-TSHOO-9.pdf

(1634 KB) Pobierz
C:\Documents and Settings\xw41...
2. SGH-C120 Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
'Power On' does not work
Check the current consumption
Yes
Current consumption
>= 100mA
No
Download again
Yes
Check the Vbat Voltage
Voltage >=3.3V
No
Charge the Battery
Yes
Check the pin of U300
Pin#J12 >= 2.8V
No
Check U300 and C315
①
Yes
Pin#A13 and
pin#A14 =2.8V
No
pin#G11 =
1.8V
No
Check U300 and C316
②
Yes
Yes
Checktheclocksignalatpin#8ofU100
③
Freq = 13MHz
Vrms >=300mV
Vpp ≒ 900mV
No
Check the clock generation circuit
(related to OSC100)
④
Yes
Check the initial operation
END
2- 1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
345750985.142.png 345750985.153.png 345750985.164.png 345750985.175.png 345750985.001.png 345750985.011.png 345750985.022.png 345750985.033.png 345750985.044.png 345750985.055.png 345750985.066.png 345750985.077.png 345750985.088.png 345750985.099.png 345750985.102.png 345750985.103.png 345750985.104.png 345750985.105.png 345750985.106.png 345750985.107.png 345750985.108.png 345750985.109.png 345750985.110.png 345750985.111.png 345750985.112.png 345750985.113.png 345750985.114.png 345750985.115.png 345750985.116.png 345750985.117.png 345750985.118.png 345750985.119.png 345750985.120.png 345750985.121.png 345750985.122.png 345750985.123.png 345750985.124.png 345750985.125.png 345750985.126.png 345750985.127.png 345750985.128.png 345750985.129.png 345750985.130.png 345750985.131.png 345750985.132.png 345750985.133.png 345750985.134.png 345750985.135.png 345750985.136.png 345750985.137.png 345750985.138.png 345750985.139.png 345750985.140.png 345750985.141.png 345750985.143.png 345750985.144.png 345750985.145.png 345750985.146.png 345750985.147.png 345750985.148.png 345750985.149.png 345750985.150.png 345750985.151.png 345750985.152.png 345750985.154.png 345750985.155.png 345750985.156.png 345750985.157.png 345750985.158.png 345750985.159.png 345750985.160.png 345750985.161.png 345750985.162.png 345750985.163.png 345750985.165.png 345750985.166.png 345750985.167.png 345750985.168.png 345750985.169.png 345750985.170.png 345750985.171.png 345750985.172.png 345750985.173.png 345750985.174.png 345750985.176.png 345750985.177.png 345750985.178.png 345750985.179.png 345750985.180.png 345750985.181.png 345750985.182.png 345750985.183.png 345750985.184.png 345750985.185.png
SGH-C120 Flow Chart of Troubleshooting
②
③
①
②
④
①
2- 2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
345750985.002.png 345750985.003.png
 
SGH-C120 Flow Chart of Troubleshooting
D
A
F
2
N
C
6
E
T
N
C
5
1
K
1
N
G
D
1
7
B
5
R
R
E
2
N
G
D
1
6
J
1
B
6
R
R
E
1
N
G
D
1
5
J
9
D
R
T
X
N
G
D
1
4
J
8
D
R
T
X
N
G
D
1
3
J
7
C
R
X
T
X
P
N
G
D
1
2
H
C
R
X
T
X
N
N
G
D
1
1
H
N
G
D
1
0
H
P
1
A
O
U
T
P
N
G
S
9
H
A
O
U
T
P
N
2
A
O
U
T
N
N
G
S
8
G
0
A
O
U
T
N
R
1
A
O
U
T
P
G
A
O
U
T
P
N
G
S
7
P
1
A
O
U
T
N
N
G
S
6
G
A
O
U
T
N
M
I
I
P
N
4
M
I
N
N
G
S
5
G
M
4
M
I
N
N
G
S
4
F
1
M
I
I
N
N
5
M
I
U
T
N
G
S
3
F
9
I
M
U
O
P
P
5
M
I
U
T
F
8
N
G
S
2
M
I
O
N
M
5
A
U
X
I
P
N
G
S
1
F
7
A
U
X
P
L
1
A
U
X
I
N
A
U
I
N
K
1
3
A
U
X
O
T
A
U
U
O
P
L
1
A
U
X
O
T
B
4
G
N
_
O
T
L
A
U
O
N
R
3
V
X
C
V
D
_
O
T
L
C
M
3
V
R
E
G
N
G
D
P
3
R
1
V
R
E
G
V
D
L
1
R
D
I
K
G
N
D
F
6
P
D
I
N
V
D
D
A
6
L
6
D
I
I
G
N
D
M
0
M
D
I
O
N
1
V
D
D
V
S
4
P
N
R
T
_
L
K
R
C
L
K
3
K
V
S
3
D
X
E
N
Q
V
S
2
K
4
R
M
C
V
S
1
G
C
L
K
1
M
_
C
P
N
C
7
V
D
_
I
2
J
4
P
D
N
R
V
D
_
I
1
N
D
P
_
T
V
D
3
N
C
1
P
R
_
W
V
D
2
M
J
I
_
N
C
5
P
R
S
W
V
D
1
J
3
P
R
_
N
L
7
P
1
B
U
G
N
_
C
U
F
1
K
9
R
S
E
_
G
D
_
P
C
2
K
1
R
T
G
D
_
P
C
1
B
1
M
P
W
R
_
E
G
N
D
E
L
1
0
I
N
T
V
D
6
7
B
1
V
D
5
C
0
2- 3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
0
P
N
1
5
5
E
3
345750985.004.png 345750985.005.png 345750985.006.png 345750985.007.png 345750985.008.png
SGH-C120 Flow Chart of Troubleshooting
VRF_2.9V
VCCD_2.9V
C120
R104
RF_EN
C123
9
10
11
12
13
14
15
16
8
XOUT
13MHZ_BB
17
7
RFIPP
RTX_IP
BIP
18
6
RFIPN
RTX_IN
BIN
19
5
RFIDP
RTX_QP
BQP
20
4
RFIDN
RTX_QN
BQN
U100
21
3
RFIEP
SERDAT
SDIO
22
2
RFIEN
SERLE
_SEN
23
1
RFIAP
SERCLK
SCLK
RFIAN 24
35
34
33
32
31
30
29
28
27
26
25
R105
R106
R107
VRF_2.9V
C130
R110
XOENA
R111
OSC100
AFC
3
4
2
1
C133
C134
2- 4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
345750985.009.png 345750985.010.png 345750985.012.png 345750985.013.png 345750985.014.png 345750985.015.png 345750985.016.png
SGH-C120 Flow Chart of Troubleshooting
2-1-2. Initial
Initial Failure
Yes
The pin #G11 of U101 =
1.8V and
the pin #J12 of U101 =
2.8V ?
No
Check the U300
(if it has some problem, it is to be replaced.)
①
Yes
Is the pin #K9 of U101
"Low → High" ?
No
Check the U300
(if it has some problem, it is to be replaced.)
①
Yes
There is 32.768kHz wave
forms at the C216 and
C217
No
Check the U200
②
Yes
Is the pin #A4 of U300
is "High"
No
③
Check the U100
Yes
The voltage is "High" at
the C313,C315,C316
No
④
Check the U300
Yes
No
LCD display is O.K
Check the LCD part
Yes
No
Sound is O.K
Check the Audio part
Yes
END
2- 5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
345750985.017.png 345750985.018.png 345750985.019.png 345750985.020.png 345750985.021.png 345750985.023.png 345750985.024.png 345750985.025.png 345750985.026.png 345750985.027.png 345750985.028.png 345750985.029.png 345750985.030.png 345750985.031.png 345750985.032.png 345750985.034.png 345750985.035.png 345750985.036.png 345750985.037.png 345750985.038.png 345750985.039.png 345750985.040.png 345750985.041.png 345750985.042.png 345750985.043.png 345750985.045.png 345750985.046.png 345750985.047.png 345750985.048.png 345750985.049.png 345750985.050.png 345750985.051.png 345750985.052.png 345750985.053.png 345750985.054.png 345750985.056.png 345750985.057.png 345750985.058.png 345750985.059.png 345750985.060.png 345750985.061.png 345750985.062.png 345750985.063.png 345750985.064.png 345750985.065.png 345750985.067.png 345750985.068.png 345750985.069.png 345750985.070.png 345750985.071.png 345750985.072.png 345750985.073.png 345750985.074.png 345750985.075.png 345750985.076.png 345750985.078.png 345750985.079.png 345750985.080.png 345750985.081.png 345750985.082.png 345750985.083.png 345750985.084.png 345750985.085.png 345750985.086.png 345750985.087.png 345750985.089.png 345750985.090.png 345750985.091.png 345750985.092.png 345750985.093.png 345750985.094.png 345750985.095.png 345750985.096.png 345750985.097.png 345750985.098.png 345750985.100.png 345750985.101.png
 

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin