LG 47LW6500-UA Service Manual page 37

TAS5727
DUAL COMPONENT
Q1701
1ST : 0TRIY80001A 2ND : 0TR387500AA
MAIN
+3.3V_DVDD
AUD_MASTER_CLK
R1702
33
AMP_RESET_N AMP_RESET
C1701
1000pF
OPT
+3.5V_ST
R1703
10K
100
Amp_Mute_PDN
C
R1706
B C1702
Q1701
1000pF
2SC3052
50V
E
OPT
AUD_LRCK
SDA3_3.3V
SCL3_3.3V
R1707
0
Separate DGND AND AVSS
Separate DGND AND AVSS
WOOFER
R1757
AUD_MASTER_CLK
AUD_LRCK
AUD_LRCH
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.
T h i s p a r t s a r e L o c a t e d
o n A V S S a r e a .
C1724
R1719
0 . 0 4 7 u F 470
C1712 C1799
R1713 15K
0 . 1 u F 10uF
AMP_MUTE_CAP
1%
C1797
33pF 18K
R1717
OPT
C1718
0 . 1 u F
R1754 0
R1756 0
C1703 C1704 C1706
33pF 33pF 33pF
OPT OPT OPT
R1710 33
R1711 33
C1722
33pF
OPT
+3.3V_DVDD
C1705
C1727
10uF
0 . 1 u F
10V
16V
AMP_MUTE_CAP
T h i s p a r t s a r e L o c a t e d
WOOFER
R1752 o n A V S S a r e a .
0
WOOFER
R1718
470
+3.3V_AU_AVDD
WOOFER WOOFER WOOFER
C1709 C1700 R1712 15K
0 . 1 u F 10uF
0
WOOFER
WOOFER
R1716
18K
C1798
1%
33pF
OPT
Amp_Mute_PDN
R1758 0
WOOFER
R1759 0 WOOFER
R1760 0 WOOFER
C1708 C1710
33pF 33pF
OPT OPT
R1709 33
WOOFER
C1719
33pF
OPT
AMP_RESET
WOOFER
C1707
10uF
10V
C1744
0 . 0 3 3 u F
50V +24V_AMP
PGND_AB_2
48
PGND_AB_1
47
OUT_B
46
PVDD_B_2
45
PVDD_B_1 C1754
44
0 . 0 1 u F
BST_B
43
TAS5727
BST_C
42
IC1702
PVDD_C_2
41
C1751
PVDD_C_1
40 0 . 0 1 u F
I 2 C : 0 X 5 4
OUT_C
39
PGND_CD_2
38
VERY CLOSE AMP IC
C1764
10uF
35V
0 . 0 3 3 u F
C1743
50V
+24V_AMP
PGND_AB_2
48
PGND_AB_1
47
OUT_B
46
PVDD_B_2
45
WOOFER
WOOFER
C1759
WOOFER C1752
PVDD_B_1 0 . 0 3 3 u F
44
0 . 0 1 u F 50V
BST_B
43
TAS5727
BST_C
42
IC1701
PVDD_C_2
41
WOOFER
C1748
PVDD_C_1
I 2 C : 0 X 5 6 40
0 . 0 1 u F
OUT_C
39
PGND_CD_2
38
+24V_AMP
VERY CLOSE AMP IC
WOOFER
C1763
10uF
35V
P l a c e a t B o t t o m
VERY CLOSE AMP IC
C1771
100pF
50V
C1772
100pF
50V
NRS6045T100MMGK
L1707
10.0uH
C1778
0 . 3 3 u F
50V
L1708
10.0uH
NRS6045T100MMGK
NRS6045T100MMGK
L1703
10.0uH
C1777
0 . 3 3 u F
50V
L1704
10.0uH
NRS6045T100MMGK
C1773
100pF
50V
P l a c e a t B o t t o m
VERY CLOSE AMP IC
WOOFER
NRS6045T100MMGK
WOOFER
L1705
10.0uH
WOOFER
L1706
10.0uH
NRS6045T100MMGK
WOOFER
WOOFER
NRS6045T100MMGK
WOOFER
L1701
C1779
10.0uH
0 . 3 3 u F
50V
L1702 WOOFER
C1780
10.0uH 0 . 3 3 u F
NRS6045T100MMGK 50V
WOOFER
WOOFER
C1769
100pF
50V
+3.3V_Normal
+3.3V_AU_AVDD
L1709
120-ohm
+3.3V_DVDD
+24V_AMP
+24V
C1795
0 . 1 u F
50V
C1793
0 . 0 1 u F
50V
R1736
3 . 3
R1737
3 . 3
C1786
C1794
0 . 3 3 u F
0 . 0 1 u F
50V
50V
SPEAKER_L AUDIO_STRAIGHT
P1702-*1
TJC2508-4A
SPK_R+
SPEAKER_R 1
2
R1734
3
3 . 3
R1735
4
3 . 3
C1784
0 . 3 3 u F
50V
WAFER-ANGLE
SPK_OUTPUT_RESISTER
R1742
0
SPK_L+
4
R1743
0
SPK_L-
3
R1744-*1
CIS21J121 2
R1745
0
R1745-*1 SPK_R-
1
CIS21J121
P1702
AUDIO_ANGLE
C1781
0 . 3 3 u F
50V
WOOFER
C1782
C1790
0 . 3 3 u F
0 . 0 1 u F
50V
50V
SPK_Woofer_L-
SPK_Woofer_R+
WOOFER
C1787
0 . 0 1 u F
50V
WOOFER
R1730
3 . 3
WOOFER
R1731
3 . 3
C1788
0 . 0 1 u F
50V
P1701
WOOFER
SMAW250-05
WOOFER
WOOFER_OUTPUT_BEAD
R1738-*1 1
SPK_Woofer_R-
CIS21J121
R1739
0
2
SPK_Woofer_R+
3
R1740-*1
CIS21J121
4
SPK_Woofer_L-
5
BCM35230
17
AUDIO[TI] 50