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Mobilchips
SGH-X610 Flow Chart of Troubleshooting
2-
22
DEBUG_CTS
DEBUG_RI
SDS_RXD
VCCD
DEBUG_DSR
DEBUG_RTS
GND
DEBUG_RXD
VTEST
DEBUG_DTR
SDS_TXD
DEBUG_TXD
VEXT
DLC_DETECT
GND
VEXT
JIG_ON
DEBUG_DCD
VBAT
12
PWR
KEY-XBS
NC
19
NC
20
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
12
12
13 13
14
14
15
15
16 16
17 17
18 18
CN801
1
1
10 10
11 11
ZD811
ZD831
5
D
6
D
3
G
4
S
U804
D
1
D
2
TA_VEXT
ZD828
2
1K
R840
R839
1K
50
50
6
6
7
7
8
8
9
9
R8331
K
44
44
45
45
46
46
47
47
48
48
49
49
5
5
37 37
38
38
39 39
4
4
40
40
41
41
42
42
43
43
29 29
3
3
30
30
31 31
32
32
33 33
34
34
35 35
36
36
21 21
22
22
23 23
24
24
25
25
26
26
27 27
28
28
15 15
16
16
17 17
18
18
19 19
2
2
20
20
CN803
1
1
10
10
11 11
12
12
13 13
14
14
1K
R831
VCCD
VBAT
1K
R835
VBAT
R8341
K
R8281
K
R838
1K
ZD824
2
ZD827
ZD830
TA_VEXT
2
DH800
ZD829
1
1
2 2
3 3
4 4
U802
R836
R837
1K
1K
AGND
C823
10UF
10V
_FLAG
U805
GATE
4
GND 2
5 GND
IN
1
_EN
6
3
DH803
10V
10UF
C824
1K
R829
1K
R832
C828
100NF
BP_VF
MAIN_MICINN
KEY_COL(0)
SDS_TXD
DEBUG_TXD
DEBUG_DTR
DEBUG_RTS
JIG_ON
DEBUG_RI
SIM_CON_RST
VSIM
IRDA_RX
LED_ON
KEY_COL(2)
KEY_COL(4)
KEY_ROW(1)
DEBUG_DCD
DEBUG_DSR
DEBUG_RI
DEBUG_RXD
DEBUG_CTS
DLC_DETECT
SDS_RXD
VEXT
KEY_ROW(3)
MAIN_MICINP
SIM_CON_CLK
KEY_COL(3)
SIM_CON_IO
DEBUG_DSR
DEBUG_DCD
DEBUG_CTS
IRDA_EN
SDS_RXD
DLC_DETECT
KEY_EL_EN
BP_VF
PWR_ON
KEY_COL(1)
DEBUG_RTS
DEBUG_DTR
VEXT
KEY_ROW(4)
KEY_ROW(2)
KEY_ROW(0)
DEBUG_RXD
IRDA_TX
DEBUG_TXD
SDS_TXD
JIG_ON
PWR_ON
AGND
TA_VEXT
VCCD
AGND
R602
47K
VBAT
AGND
R601
47K
R603
VCCD
NC
NC
C602
AGND
NC
C603
C640
NC
VCCD
50
50
6
6
7
78
8
9
9
43
43
44
44
45
45
46
46
47
47
48
48
49
49
5
5
36 36
37 37
38 38
39 39
4
4
40 40
41
41
42
42
29 29
3
3
30 30
31 31
32 32
33 33
34 34
35 35
21 21
22 22
23 23
24 24
25
25
26 26
27 27
28 28
14 14
15 15
16 16
17 17
18 18
19 19
2
2
20 20
CN601
1
1
10 10
11 11
12 12
13 13
LED_ON
IRDA_EN
DEBUG_RXD
MAIN_MICINP
MAIN_MICINN
BP_VF
KEY_EL_EN
IRDA_RX
SIM_CON_RST
DEBUG_DTR
SDS_TXD
JIG_ON
PWR_ON
DLC_DETECT
SDS_RXD
DEBUG_DCD
SIM_CON_CLK
IRDA_TX
DEBUG_TXD
DEBUG_RTS
DEBUG_RI
VSIM
KEY_ROW(2)
KEY_ROW(0)
KEY_COL(3)
KEY_COL(1)
KEY_ROW(4)
KEY_ROW(1)
KEY_COL(4)
KEY_COL(2)
KEY_COL(0)
DEBUG_CTS
KEY_ROW(3)
DEBUG_DSR
SIM_CON_IO