![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg1.png)
9. 故障排除流程图
9-1. 开机
“检查U202的VPERM_3.0V、
‘开机’不工作
检查电池电压是否大于3.3V?
VANA_2.85V、VRF_2.85
VIM_3.0V、 VMEM_1.8V,
VGPIO_2.8V ”及U100的
VGPIO_2.8V
检查OSC200管脚1所生成的
时钟信号
检查与装置电源相关的 R310
电源是否工作?
故障排除流程图
更换电池
更换U201
重焊OSC200
重焊R310
重复过程
9-1
三星所有—内容可能有变动,恕不另行通知。
未经三星允许,不得使用本文件。
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg2.png)
Flow Chart of Troubleshooting
V VSIM_3.0V
VPERM_3.
0V VCORE_1.25V
VGPIO_2.8V
VMEM_1.8V
NA_2.85V
3
2
1
0
1
2
3
0
5
8
9
7
1
1
1
K
K
K
G
K
K
K
E
E
E
E
E
E
O
I
R
R
R
R
R
R
_
O
O
O
O
O
O
F
R
C
C
C
C
C
C
_
V
V
V
V
V
_
V
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
V
D
D
D
D
D
V
V
V
V
V
V
1
7
8
9
1
1
1
L
L
L
L
L
K
E
E
E
E
E
R
R
R
R
R
O
O
O
O
O
C
C
C
C
C
V
V
V
V
V
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
0
3
2
8
7
9
1
1
1
1
1
1
M
M
M
L
L
E
E
E
R
R
R
O
O
O
C
C
C
V
V
V
_
_
_
D
D
D
D
D
D
V
V
V
M
M
M
M
E
E
E
E
E
E
E
R
R
R
R
R
R
R
O
O
O
O
O
O
O
C
V
_
D
D
V
C
C
C
C
C
C
V
V
V
V
V
V
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
3
5
5
5
5
5
1
J
P
K
R
N
A
2
O
O
O
O
I
I
I
I
O
I
V
V
V
V
V
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
3
5
5
4
3
5
1
1
1
1
1
1
V
A
H
D
B
A
M
M
M
M
M
M
E
E
E
E
E
R
E
M
M
M
M
M
P
V
V
V
V
V
V
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
U201
M
I
S
V
_
D
D
V
PCM_CLK
PCM_DI
PCM_DO
PCM_SYNC
PMU_VIO
PMU_VANA
PMU_VMEM
PMU_VPERM
PMU_VRF
PMU_VSIM
POK_IN
POK_OUT
PWM_OUT0
PWM_OUT1
PWM_OUT2
ICHGN
ICHGP
RFID_N
RFID_P
RFIL_N
RFIL_P
RFIP_N
RFIP_P
UART0_RD
UART0_TD
UART1_RD
UART1_TD
UART1_CTS
UART1_RTS
XTAL_26M_1
XTAL_26M_2
XTAL_32K_1
XTAL_32K_2
XTAL_SHLD
XTAL_SHLD
XTAL_SHLD
XTAL_SHLD
XTAL_SHLD
XTAL_SHLD
SIM_CLK
SIM_DATA
SIM_RST
SSI_CLK
SSI_DATA
SSI_OUT
SSI_SEL0
SSI_SEL1
SSI_SEL2
ACC_DET_IN
CLK_BT
CLK_32K_OUT
CLK_XOUT
D11
NBE0
E12
NBE1
A12
NCS0
B12
NCS1
A11
NCS2
J19
H15
H16
J18
W15
W14
V15
W12
W13
V14
T8
V8
T7
T5
T6
W8
W9
E1
D1
G1
F1
C1
B1
A1
RFOH
A2
RFOL
L18
K18
W5
V5
V7
W6
A7
A6
L19
K19
B8
A8
B6
A5
B7
B5
H19
H18
G16
T1
U1
U2
R1
J2
T2
V9
R7
L16
N18
17
C2
LB
UB
LCD_CS
NCSFLASH
NCSRAM
DCL
DU
DD
FSC
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM_3.0V
ONKEY_2
ONKEY_1
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TD
UART0_RD
UART1_RD
UART1_TD
UART1_CTS
UART1_RTS
SIM_CLK
SIM_DATA
SIM_RST
R_INT
FM_EN
LCD_BL_EN
AUX_DET
BT_CLK
OSC201
1
4
2
4
1
3
2
3
OSC200
32KHz_DIGIT
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg3.png)
Flow Chart of Troubleshooting
VCHG_5V
VBAT
L303
FM_ANT
IFC300
L309
L310
L300
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
C320
C323
EAR_SW
L301
L302
C321
R303
R305
10
R320
10
R321
R308
R309
10
R310
R322
L304
L306
L307
C316 C317
C315
EAR_MIC_P_I
EAR_MIC_N_IF
AUX_DET
UART0_TD
UART0_RD
UART1_TD
UART1_RD
JIG_ON
F
ZD300
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
VR301
C318
5
4
6
3
4
5
H
H
H
C
C
C
2
1
H
H
N
C
V
C
2
1
3
ZD301
6
4
5
5
3
4
H
H
H
C
C
C
1
2
H
H
N
V
C
C
1
2
3
ZD302
C
4
1
R
4
0
4
C
C
2
2
2
2
8
6
C420
C
1
4
0
2
4
1
U
TA200
ZD200
C227
5
0
2
T
M
2
R
4
0
3
BTC200
R214
C231C232
C
4
4
4
4
4
1
0
1
1
1
1
0
4
5
0
HDC400
C
C
C
4
4
4
1
0
R401 R402
0
0
9
8
C407
C108
R121
C102
C101
R120
R103
R
C
R
R
3
3
3
3
1
1
1
4
R
3
1
3
R311
1
5
4
2
L
3
U
0
1
3
0
6
R323
SIM200
3
9-
C
4
0
6
R
3
1
9
R306
R303
4
1
6
C
4
0
5
C
3
1
6
R
3
0
7
C
4
4
1
1
8
7
C
C
4
4
0
0
3
4
R203 R204
1
C315
L304
L307
C317
L302
L301
R
C
3
3
0
2
8
3
C
R
2
3
1
0
7
5
4
1
9
4
0
2
T
M
C
4
0
2
0
1
L310
L309
C
3
2
0
R
3
0
9
Z
D
3
R106
0
0
L
3
L300
U
0
3
C103
Z
D
3
0
2
R
3
2
Z
2
D
3
0
1
V
R
3
0
R
1
3
1
0
R
R
3
3
2
2
C
0
1
3
2
1
0
0
3
C
F
I
C318
C
C
C
C
C
C
C
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg5.png)
Flow Chart of Troubleshooting
VSIM_3.0V
SIM_DATA
VSIM_3.0V
SIM_RST
SIM_CLK
R214
1
1
2
2
3
3 4
6
6
5
5
4
SIM200
C232
C231
R
3
1
3
R
3
1
4
R311
SIM200
R121
R120
C
R
3
3
1
1
5
4
3
U
1
0
R323
C208
R205
R103
R
3
1
2
C102
C101
L
3
0
6
7
8
9 9
R306
R303
R
3
1
9
C
3
1
6
C315
C317
R
3
0
7
7
8
12 12
11
11
10 10
G
G
1314GG1516
3
C103
Z
C
3
2
3
R
3
0
5
L302
L301
L304
L307
R
3
0
8
C
2
1
7
L310
L309
C
3
2
0
R
3
0
9
D
3
0
2
R
3
2
Z
2
D
3
0
1
V
R
3
0
R
1
3
1
0
R
R
3
3
2
2
C
1
0
3
2
1
C318
0
0
3
C
F
I
B
A
T
2
0
R
2
0
6
0
R
R
R
4
4
4
0
0
0
6
5
7
R
2
0
5
9-
0
2
U
3
0
0
2
C
R301
TA300
C
3
2
2
R
R
3
3
0
0
0
4
MT206
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg7.png)
Flow Chart of Troubleshooting
VCHG_5V
VBAT
L303
FM_ANT
IFC300
ZD300
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
VR301
C318
6
4
5
5
3
4
H
H
H
C
C
C
2
1
H
H
N
C
V
C
2
3
1
ZD301
6
1
5
H
C
1
H
C
ZD302
4
5
3
4
H
H
C
C
2
H
N
V
C
3
2
L300
L309
L310
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
C320
C323
EAR_SW
L301
L302
C321
R322
R303
R305
10
C316
R320
R321
R308
R309
R310
EAR_MIC_P_I
F EAR_MIC_P
EAR_MIC_N_IF
AUX_DET
10
10
100
100
10
L304
L306
L307
C315
UART0_TD
UART0_RD
UART1_TD
UART1_RD
JIG_ON
C317
R316
R323
EAR_MIC_N
EARP_CTS
VCM_RTS
EAR_N
22
MIC300
MIC_BIAS
D300
D301
C301
C304
C309
TA300
MAIN_MIC
R300 C302
R304
C303
C307
C305
C310
MIC_P
MIC_N
7
9-
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bg9.png)
Flow Chart of Troubleshooting
EAR_SW_REF
27PF
R301
C306
MIC300
EAR_MIC_P_IF
C311
EAR_MIC_N_IF EAR_MIC_N
R306
MIC_BIAS
D300
C301
C304
TA300
R300
C303
C307
C308
C312
EAR_MIC_P
C302
C305
MIC_P
R304
D301
C309
MAIN_MIC
9
9-
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
MIC_N
C310
![](/html/49/49a3/49a3490c83952a7d3fc1f889b01b2240f6c4cf06f37f38667074e1f53161fc2c/bga.png)
故障排除流程图
9-5.耳机部分
检查 U201 的管脚 R19、T19、P19
耳机不工作
检查IFC300连接。
检查EAR SW
结束
三星所有—内容可能有变动,恕不另行通知。
重焊IFC300的管脚5、6、7及L304、
L306、L307、L309 和L310并检查U201
的连接。
重焊U201或更换U201
重焊U310
9-10
未经三星允许,不得使用本文件。