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Flow Chart of Troubleshooting
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7-14
Stereo_Spk_Contact
D_Class_AMP
AUDIO SW
C
6
2
9
C
6
3
0
C605
R615
R605
VBAT
1
IN
NC
4
NO
6
V+
2
DG2011
U602
5
COM
3
GND
VBAT
C705
R604
2
V+
U605
DG2011
COM
5
GND
3
IN
1
4
NC
6
NO
R618
C613
C604
L602
R606
C611
C614
C
6
2
8
L603
VOMR
5
VSS
6
VOPR
7
VDD
8
VSS
9
VDD
VDD
22
VIML
23
VREFL
24
VIPL
GND
25
26
NC
NC
27
3
VDD
4
VSS
15
VDD
16
VOML
17
VSS
18
VOPL
19
VDD
2
VSS
20
VSS
21
1
EN_L
10
VIMR
11
VREFR
12
VIPR
13
EN_R
14
U712
3
4
4
R602
CN600
spk_con
1
1
2
2
3
L601
L600
C
6
2
7
C609
100
R608
C706
NO
6
V+
2
VBAT
DG2011
U606
5
COM
3
GND
1
IN
NC
4
SPK_L_P
SPK_L_N
AMP_EN
AMP_EN
SPK_R_N
SPK_R_P
EARSPK_L
MEL_L
AUDIO_SW2
REC+
HFR_P
MEL_R
MEL_L
SPK_R_P
SPK_R_N
SPK_L_P
SPK_L_N
AUDIO_SW1
EAR2
EAR1
EARSPK_R
MEL_R
HFR_N
REC-
EARSPK_COM