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SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams
4-
9
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(Picture 1)
(Picture 2)
0
4
4
5
5
6
6
7
7
8
8
9
9
R202
28
28
29 29
3
3
30
30
31 31
32
32
33 33
34
34
20
20
21 21
22
22
23 23
24
24
25 25
26
26
27 27
13
13
14
14
15
15
16 16
17
17
18
18
19 19
2
2
CN200
1
1
10
10
11
11
12
12
C200
33NF
330NF
C205
VCCD
R201
12
NC
C206
C207
100PF
R221
0
VBAT
33
R200
MSPK-
AOUTAP
SPK1N
MSPK+
RST
LCDVIB_EN
LED_EN
D(4)_FO
D(6)_FO
RED_LED
EL_EN
D(0)_FO
D(2)_FO
GREEN_LED
EL_PWR
D(13)_FO
D(15)_FO
CLCD_EN_FO
CP_WEN_FO
GLCD_EN_FO
A(2)_FO
D(7)_FO
D(8)_FO
D(10)_FO
D(12)_FO
D(14)_FO
D(9)_FO
D(11)_FO
D(3)_FO
D(1)_FO
D(5)_FO
R
4
1
6
0
VBAT
C410
6.3V
10UF
29
/I
R
Q
3
/RD
31
4
/R
S
T
/WR
28
6
P
L
L
C
S
P
O
U
T
1
17
18
S
P
O
U
T
2
SPVDD
15
16
S
P
V
S
S
V
D
D
7
V
R
E
F
9
8
V
S
S
/CS
13
14
EQ3
10
HPOUT-L/MONO
HPOUT-R
11
IOVDD
32
L
E
D
2
19
M
T
R
5
N
C
26
D
2
25 24
D
3
D
4
23 22
D
5
21
D
6
20
D
7
12
EQ1
EQ2
U401
30
A0
C
L
K
I
1
27
D0
D1
R470
0
C402
100NF
6.3V
C404
4.7UF
VCCD
3
.3
K
R
4
1
3
NC
R434
C403
22NF
C411
1NF
33K
R407
C401
270PF
100NF
C412
100NF
C408
R403
150K
C415
100PF
VCCD
R404
33K
MELODY_LED
M
E
L
O
D
Y
_
V
IB
D
(6
)
D
(7
)
D
(4
)
D
(3
)
D(1)
D(0)
CP_WEN
CP_OEN
A(0)
YMU_EN
D
(2
)
M
S
P
K
-
CLK13M_YMU
M
S
P
K
+
YMU_IRQ
RST
D
(5
)