![Samsung SGH-E730 Service Manual Download Page 37](http://html.mh-extra.com/html/samsung/sgh-e730/sgh-e730_service-manual_356819037.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-13
MELODY IC
VSS
8
29
/CS
/IRQ
3
31
/RD
4
/RST
/WR
28
NC
5
6
PLLC
SPOUT1
17
18
SPOUT2
SPVDD
15
16
SPVSS
VDD
7
VREF
9
G
34
35
G
G
36
10
HPOUT-L/MONO
HPOUT-R
11
32
IOVDD
2
LED
MTR
19
D4
23
22
D5
D6
21
20
D7
12
EQ1
EQ2
13
14
EQ3
33
G
A0
30
CLKI
1
27
D0
D1
26
D2
25
24
D3
U300
TP301
C300
R305
C305
TP302
R304
C304
C303
R303
C301
R302
C302
C311
+VDD_IO_LOW
R306
R300
C306
C307
+VDD_IO_HIGH
AMP_N
AMP_P
EARP_HF
VBAT
HPL
HPR
VIB
HD(1)
HD(0)
WEn
CS5n_MELODY
HA(1)
OEn
HD(2)
26M_DIGIT
HD(3)
HD(4)
M_INT
HD(5)
RSTON
HD(6)
HD(7)
2.9V
1.9V
+VDD_IMAGE
C708
C709
C710
C707
C711
C713
C712
6
6
60
60
7
7
88
9
9
52
52
53
53
54 54
55
55
56
56
57
57
58
58
59
59
45 45
46 46
47
47
48 48
49 49
5
5
50 50
51
51
38
38
39
39
4
4
40
40
41 41
42 42
43 43
44 44
30
30
31
31
32 32
33
33
34
34
35
35
36
36
37
37
23
23
24
24
25
25
26
26
27
27
28
28
29
29
3
3
16
16
17
17
18 18
19
19
2
2
20
20
21
21
22
22
1
1
10 10
11
11
12
12
13
13
14
14
15
15
CN700
R715
C714
C715
C716
R716
R714
+VDD_IO_HIGH
SPK_N
LCD_BL_ON
Y(3)
OLED_EN
DIM_EN
Y(2)
Y(1)
SPK_P
Y(0)
HREF
VSYNC
PCLK
M_SDA
M_SCL
M_CLK
S_RST_IMAGE
STROBE
FLASH_EN
Y(7)
Y(6)
Y(5)
Y(4)
Typical 3.7V
VBAT
21
22
NC
14
V+
11
4S1
13
4S2
D1
16
4
D2
D3
8
D4
12
6
GND
17
GND
NC
2
1-2IN
15
1S1
1
1S2
2S1
3
5
2S2
3-4IN
10
3S1
7
9
3S2
U602
HFR_P
AMP_N
SPK_N
MELODY_SEL
SPK_P
AMP_P
HFR_N
R_CONTROL
HPL
AFL
HPR
ANL
ANR
AFR
LOUD_EN