Table of Contents
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CN700
1
2
1
2
3
4
3
4
5
6
5
6
7
88
7
9
10 10
9
11
12
11
12
13
14
13
14
15
16
15
16
17
18 18
17
19
20
19
20
21
22
21
22
23
24
23
24
25
26
25
26
27
28
27
28
29
30
29
30
31
32 32
31
33
34
33
34
35
36
35
36
37
38
37
38
39
40
39
40
41 41
42 42
43 43
44 44
45 45
46 46
47
48 48
47
49 49
50 50
51
52
51
52
53
54 54
53
55
55
56
56
C709
+VDD_IO_LOW
+VDD_IO_HIGH
32
1
26M_DIGIT
CLKI
2
LED
M_INT
/IRQ
RSTON
/RST
5
NC
6
PLLC
7
VDD
R300
8
VSS
9
VREF
C302
C303
C301
R302
HPL
R304
HPR
MELODY IC
C710
C711
C712
C713
TP301
TP302
30
29
27
26
25
D2
24
D3
23
D4
22
D5
U300
21
D6
20
D7
19
MTR
18
SPOUT2
17
SPOUT1
10
11
12
13
14
15
16
C304
R303
C306
C307
R305
R306
C311
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C707
C708
C714
C715
C716
OEn
HA(1)
CS5n_MELODY
WEn
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
VIB
AMP_N
C300
AMP_P
VBAT
HFR_P
MELODY_SEL
C305
AMP_N
SPK_N
EARP_HF
7- 13
F low Chart of Troubleshooting
Y(0)
Y(1)
Y(2)
Y(3)
Y(4)
Y(5)
Y(6)
Y(7)
FLASH_EN
STROBE
S_RST_IMAGE
M_CLK
M_SCL
M_SDA
PCLK
VSYNC
HREF
+VDD_IO_HIGH
OLED_EN
+VDD_IMAGE
LCD_BL_ON
DIM_EN
R714
SPK_N
SPK_P
R715
R716
Typical 3.7V
VBAT
16
15
14
13
17
21
NC
12
22
NC
ANR
D4
1
11
U602
HPR
1S2
4S1
2
10
R_CONTROL
1-2IN
3-4IN
3
9
2S1
AFL
3S2
4
D2
5
6
7
8
2.9V
1.9V
LOUD_EN
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