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Audio Amp - LG 42PJ650 Service Manual

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AUDIO_MASTER_CLK
+3.3V
AC_DET
R725
10K
C
R716
B
Q701
AMP_MUTE
2SC3052
10K
E
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
AUDIO
This parts are Located
on AVSS area.
R717
0
AVSS
C702
4700pF
AVSS
C736
R718
470
0.047uF
Separate DGND AND AVSS
+3.3V_AVDD_AMP
AVDD
13
C723
C728
TESTOUT
14
10uF 16V
0.1uF
MCLK
15
AVSS
R713
R702
OSC_RES
200
16
22
18K
DVSS_1
R714
1%
17
VR_DIG
18
TAS5709PHPR
R712
PDN
19
1K
C722
LRCLK
C718
C712
20
4.7uF
0.1uF
1000pF
10V
50V
SCLK
R710
21
0
SDIN
22
R711
READY
33K
R706
SDA
22
23
MS_LRCK
R703
22
SCL
MS_SCK
24
R708
22
MS_LRCH
SDA1
SCL1
C709
1000pF
+3.3V_DVDD
AMP_RST
C711
C707
10uF 16V
0.1uF

Audio Amp

AVSS
C733
0.033uF
P_17V
50V
C714
C735
C721
C775
C741
100uF
100uF
100uF
0.1uF
25V
25V
25V
0.1uF
READY
P_17V
48
PGND_AB_2
47
PGND_AB_1
46
OUT_B
45
PVDD_B_2
50V
C732
0.033uF
44
PVDD_B_1
0.01uF
C701
43
BST_B
42
BST_C
IC701
41
PVDD_C_2
50V
40
PVDD_C_1
0.033uF
C729
39
OUT_C
38
PGND_CD_2
37
PGND_CD_1
P_17V
C719
C706
0.1uF
0.1uF
0.033uF
C738
50V
C737
0.1uF
+3.3V
C742
C743
C744
100uF
100uF
100uF
25V
25V
25V
READY
SPK_L+
C725
0.01uF
L705
C704
AD-9060
2S
2F
0.1uF
R704
3.3
C740
0.68uF
1S
1F
R705
3.3
EAP61008401
C726
C727
0.1uF
0.01uF
@netLa
SPK_L-
SPK_R+
C734
0.01uF
L704
C717
AD-9060
2S
2F
0.1uF
R709
C739
3.3
1S
1F
0.68uF
R719
3.3
EAP61008401
C710
C715
0.1uF
0.01uF
@netLa
SPK_R-
MSD3368EV Platform
L702
+3.3V_AVDD_AMP
120-ohm
L701
+3.3V_DVDD
120-ohm
WAFER-ANGLE
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R-
1
P700
AUDIO
6
10

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42pj650-ab