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Flow Chart of Troubleshooting
VBAT
L802
6
SW
5
VIN
4
PWM_LED
CTRL
C834
VAUDIO33
TA507
C533
PHONE_MIC
SPK_TEMP+
SPK_TEMP-
RCV_EARCOM
EAR_RCV
EAR_OUT+
RCV_SEL
SPK_SEL
PENDET
MIC_SEL1
MIC_SEL2
VAUDIO30
TA517
C573
C574
U 200
VO UT 1
6
CE 1
LC D_E N
5
VD D2
GN D
4
CE 2
VO UT 2
U805
ZD803
C830
1
VOUT
2
GND
3
FB
R802
C577
TA508
VBAT
VMICBIAS
C529
C579
TA511
36
35
34
33
32
31
30
29
28
27
26
37
OUT3
38
SPKVDD
39
HPOUTL
40
HPGND
41
HPOUTR
42
AGND2
43
UCD501
HPVDD
44
GPIO1
45
GPIO2/IRQ
46
GPIO3/PENDOWN
47
GPIO4/ADA/MASK
48
GPIO5/SPDIF_OUT
49 GND
50
GND
51 GND
52
GND
58 NC
59
NC
1
2
3
4
5
6
7
8
9
10
11
12
TP501
OSC501
4
3
1
2
R531
C575
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VB AT
LC D3 0
1
3
C 200
C 201
LED+
TSMY
TSMX
LED-
KEY_INT
BVDE
VAUDIO33
TA510
C543
C585
TA502
25
24
C549
LINEINR
C550
23
LINEINL
22
MIC2
C552
C553
21
MIC1
20
PHONE
330nF
19
C555
PCBEEP
10V
18
TPGND
17
Y-/BL
TSMY
16
X-/TL
TSMX
15
Y+/TR
TSPY
VTP30
14
X+/BR
TSPX
13
TPVDD
57
GND
C571
TA516
nAC97_RESET
SYNC
SDATA_IN
BITCLK
C576
7-10
IR DA 30
C 202
ZD717
1
6
TSPY
CH1
CH5
2
5
IrDA_SD
VN
CH4
3
4
CH2
TSPX
CH3
EAR_SPK+
EAR_SPK-
C551
L501
C554
L502
C562
C563
MICN
MICP
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