Samsung SGH-M310 - Page 48

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Flow Chart of Troubleshooting
10-10
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VCCD_2.9V
Z
D
4
0
0
Z
D
4
0
1
VCCD_2.9V
V_BATT
C417
C412
S
C
L
11
S
D
A
10
VDD
613
VDD
VOC
2
23
M
O
N
O
_
IN
+
22
M
O
N
O
_
IN
-
27
N
C
N
C
9162
R
H
P
3
D
1
R
H
P
3
D
2
24
R
IN
8
ROUT
5
7
I2
C
S
P
I_
V
D
D
ID_ENB
13
18
LHP3D1
LHP3D2
1
L
IN
9
LOUT
6
15
MONO+
MONO-
17
U400
C
B
Y
P
A
S
S
2125
G
N
D
20
G
N
D
4
GND
12
G
N
D
I2CSPI_SEL
14
VCCD_2.9V
R415
R413
V_BATT
C418
C422
C413
I2C_CLK_LM
SPK_N
SPK_P
LO_MONO1_OUT_N
LO_MONO1_OUT_P
RADIO_L
RADIO_R
I2C_DAT_LM
EAR_OUT_COM
EAR_OUT_L
HI_MONO_OUT_N
HI_MONO_OUT_P
EAR_OUT_R
VR400
TA419
R416
R404
L401
R405
C402
R418
R414
C411
C408
R419
VR401
R409
C421
R412
C420
1000nF
R417
TA409
C403
C410
C416
R410
MIC400
L400
MIC+
MIC-
EAR_MIC+
EAR_MIC-
VAMICREF
MIC1_IN_N
MIC1_IN_P
VAMICREF
MIC2_IN_P
MIC2_IN_N
MIC-
MIC+