Read LG 47LW6500-UA (CHASSIS:LA12C) Service Manual online
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.
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.
CIS21J121
R1745-*1
120-ohm
L1709
+3.3V_DVDD
0 . 0 3 3 u F
50V
C1744
100
R1706
0 . 3 3 u F
50V
50V
C1777
SPK_Woofer_R+
SPK_Woofer_R-
3 . 3
R1730
WOOFER
0 . 0 1 u F
50V
50V
C1787
WOOFER
33pF
OPT
C1703
100pF
50V
50V
C1769
WOOFER
33
R1710
2200pF
50V
C1737
+3.3V_AU_AVDD
+24V_AMP
SDA3_3.3V
AMP_RESET_N
1/16W
18
R1722
WOOFER
0
R1739
10uF
35V
C1763
WOOFER
3 . 3
R1731
WOOFER
SPK_L+
0 . 0 4 7 u F
C1724
4700pF
C1732
+3.3V_DVDD
AMP_RESET
+3.3V_AU_AVDD
1uF
25V
C1739
WOOFER
SPK_L-
0
R1752
WOOFER
33pF
OPT
C1797
SCL3_3.3V
470
R1720
WOOFER
+24V
WAFER-ANGLE
P1702
AUDIO_ANGLE
1
2
3
4
470
R1718
WOOFER
0
R1742
SPK_OUTPUT_RESISTER
33pF
OPT
C1719
0 . 3 3 u F
50V
50V
C1780
WOOFER
0
R1757
WOOFER
1uF
25V
C1740
33
R1702
0
R1743
+24V_AMP
SPK_Woofer_L-
2200pF
50V
C1735
WOOFER
0
R1753
100pF
50V
50V
C1768
WOOFER
SPK_Woofer_L+
0 . 1 u F
C1738
SPK_L+
0
R1755
0 . 0 1 u F
50V
50V
C1791
100pF
50V
50V
C1774
SPK_R+
100pF
50V
50V
C1767
WOOFER
AUD_SCK
0 . 1 u F
C1717
WOOFER
120-ohm
L1710
0 . 0 1 u F
50V
C1789
WOOFER
CIS21J121
R1743-*1
SPK_Woofer_L+
0 . 0 1 u F
50V
C1792
Amp_Mute_PDN
SDA3_3.3V
33pF
OPT
C1721
CIS21J121
R1741-*1
0 . 0 3 3 u F
50V
50V
C1758
WOOFER
AUD_SCK
0
R1741
3 . 3
R1733
WOOFER
0 . 0 3 3 u F
50V
C1762
33pF
OPT
C1711
1/16W
18
R1723
WOOFER
1/16W
18
R1728
0 . 3 3 u F
50V
50V
C1782
WOOFER
0 . 0 1 u F
C1748
WOOFER
1000pF
50V
50V
OPT
C1702
0 . 0 1 u F
C1754
0 . 0 1 u F
C1751
1/16W
18
R1724
WOOFER
0 . 1 u F
16V
16V
C1727
1000pF
OPT
C1701
3 . 3
R1735
0 . 1 u F
C1712
SPK_Woofer_R+
0 . 0 3 3 u F
50V
50V
C1743
470
R1721
3 . 3
R1732
WOOFER
33pF
OPT
C1720
0 . 1 u F
50V
C1796
0
R1738
WOOFER_OUTPUT_RESISTOR
0 . 0 3 3 u F
50V
C1761
+24V_AMP
SPK_R-
SPK_L-
100pF
50V
50V
C1770
WOOFER
2K
OPT
R1704
0
R1744
0
OPT
R1705
0 . 3 3 u F
50V
50V
C1776
WOOFER
+3.3V_AU_AVDD
AMP_MUTE
10K
R1762
OPT
10K
R1761
OPT
SCL3_3.3V
0 . 1 u F
C1736
WOOFER
10K
R1701
0 . 3 3 u F
50V
50V
C1785
AUD_LRCH
10uF
35V
C1766
10uF
35V
C1765
WOOFER
0 . 3 3 u F
50V
50V
C1783
MLB-201209-0120P-N2
L1711
AMP_RESET
+3.3V_DVDD
0 . 3 3 u F
50V
50V
C1775
WOOFER
0 . 0 4 7 u F
C1723
WOOFER
CIS21J121
R1739-*1
33
R1708
WOOFER
SPK_Woofer_R-
4700pF
C1726
WOOFER
0 . 0 3 3 u F
50V
C1742
WOOFER
0 . 1 u F
16V
16V
C1725
WOOFER
CIS21J121
SPK_OUTPUT_BEAD
R1742-*1
4700pF
C1728
0 . 0 3 3 u F
50V
50V
C1741
WOOFER
0
R1740
0.047uF
C1733
WOOFER
33pF
OPT
C1704
10K
R1703
CIS21J121
WOOFER_OUTPUT_BEAD
R1738-*1
0.047uF
C1734
0 . 0 1 u F
50V
C1788
WOOFER
33
R1711
SPK_R+
15K
R1713
3 . 3
R1734
0 . 0 1 u F
50V
C1790
WOOFER
0 . 3 3 u F
50V
50V
C1779
WOOFER
1/16W
18
R1726
33pF
OPT
C1722
2SC3052
Q1701
E
B
C
+24V_AMP
18K
1%
R1717
+3.5V_ST
SPK_Woofer_L-
0
R1758
WOOFER
0
R1707
0
R1754
0 . 1 u F
C1718
Amp_Mute_PDN
1/16W
18
R1725
WOOFER
4700pF
C1731
WOOFER
100pF
50V
50V
C1771
100pF
50V
50V
C1773
AUD_LRCK
1/16W
18
R1729
100pF
50V
50V
C1772
0 . 3 3 u F
50V
50V
C1781
WOOFER
0 . 0 3 3 u F
50V
50V
C1759
WOOFER
AUD_MASTER_CLK
+24V_AMP
0 . 3 3 u F
50V
50V
C1784
AMP_RESET
10uF
35V
C1764
+3.3V_Normal
CIS21J121
R1740-*1
+3.3V_DVDD
33pF
OPT
C1708
0 . 0 1 u F
50V
C1794
AUD_MASTER_CLK
0 . 1 u F
50V
C1795
0 . 3 3 u F
50V
50V
C1778
AUD_LRCK
0
R1745
470
R1719
SPK_R-
15K
R1712
WOOFER
AUD_LRCH
18K
1%
R1716
WOOFER
33pF
OPT
C1710
33
R1709
WOOFER
CIS21J121
R1744-*1
0
R1759
WOOFER
0 . 0 1 u F
C1752
WOOFER
3 . 3
R1737
3 . 3
R1736
Amp_Mute_PDN
SMAW250-05
P1701
WOOFER
1
2
3
4
5
1/16W
18
R1727
0 . 3 3 u F
50V
50V
C1786
0 . 1 u F
C1709
WOOFER
0
R1756
0
R1760
WOOFER
33pF
OPT
C1706
0 . 0 1 u F
50V
C1793
33pF
OPT
C1798
NRS6045T100MMGK
10.0uH
L1704
NRS6045T100MMGK
10.0uH
WOOFER
L1702
NRS6045T100MMGK
10.0uH
L1708
NRS6045T100MMGK
10.0uH
L1707
NRS6045T100MMGK
10.0uH
L1703
NRS6045T100MMGK
10.0uH
WOOFER
L1701
NRS6045T100MMGK
10.0uH
WOOFER
L1706
NRS6045T100MMGK
10.0uH
WOOFER
L1705
THERMAL
TAS5727
IC1701
I 2 C : 0 X 5 6
WOOFER
1
OUT_A
2
PVDD_A_1
3
PVDD_A_2
4
BST_A
5
NC_1
6
SSTIMER
7
NC_2
8
PBTL
9
AVSS
10
PLL_FLTM
11
PLL_FLTP
12
VR_ANA
13
AVDD
14
A_SEL_FAULT
15
MCLK
16
OSC_RES
17
DVSSO
18
VR_DIG
19
PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
25
RESET
26
STEST
27
DVDD
28
DVSS
29
GND
30
AGND
31
VREG
32
GVDD_OUT_2
33
BST_D
34
PVDD_D_1
35
PVDD_D_2
36
OUT_D
37
PGND_CD_1
38
PGND_CD_2
39
OUT_C
40
PVDD_C_1
41
PVDD_C_2
42
BST_C
43
BST_B
44
PVDD_B_1
45
PVDD_B_2
46
OUT_B
47
PGND_AB_1
48
PGND_AB_2
49
[ E P ]
THERMAL
TAS5727
IC1702
I 2 C : 0 X 5 4
1
OUT_A
2
PVDD_A_1
3
PVDD_A_2
4
BST_A
5
NC_1
6
SSTIMER
7
NC_2
8
PBTL
9
AVSS
10
PLL_FLTM
11
PLL_FLTP
12
VR_ANA
13
AVDD
14
A_SEL_FAULT
15
MCLK
16
OSC_RES
17
DVSSO
18
VR_DIG
19
PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
25
RESET
26
STEST
27
DVDD
28
DVSS
29
GND
30
AGND
31
VREG
32
GVDD_OUT_2
33
BST_D
34
PVDD_D_1
35
PVDD_D_2
36
OUT_D
37
PGND_CD_1
38
PGND_CD_2
39
OUT_C
40
PVDD_C_1
41
PVDD_C_2
42
BST_C
43
BST_B
44
PVDD_B_1
45
PVDD_B_2
46
OUT_B
47
PGND_AB_1
48
PGND_AB_2
49
[ E P ]
TJC2508-4A
P 1 7 0 2 - * 1
AUDIO_STRAIGHT
1
2
3
4
10uF
C1799
AMP_MUTE_CAP
10uF
C1700
WOOFER
10uF
10V
10V
C1705
AMP_MUTE_CAP
10uF
10V
10V
C1707
WOOFER
DUAL COMPONENT
VERY CLOSE AMP IC
Q1701
BCM35230
Separate DGND AND AVSS
WOOFER
50
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 .
SPEAKER_L
17
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 .
1ST : 0TRIY80001A 2ND : 0TR387500AA
P l a c e a t B o t t o m
VERY CLOSE AMP IC
Separate DGND AND AVSS
AUDIO[TI]
SPEAKER_R
TAS5727
MAIN
VERY CLOSE AMP IC
VERY CLOSE AMP IC
P l a c e a t B o t t o m
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