LG 55LW9500 Service Manual page 32

DUAL COMPONENT
Q1801
1ST : 0TRIY80001A 2ND : 0TR387500AA
+24V +24V_AMP
L1801
MLB-201209-0120P-N2
OPT
C1801 C1802
C1810 C1814
0.1uF 0.1uF
10uF 0.1uF
50V 50V
10V 16V
C1806
1000pF
50V
C1804
R1815
100pF
50V 3.3K
AUD_LRCH
AUD_LRCK
AUD_SCK
R1807 100
SDA3_3.3V
R1808 100
SCL3_3.3V
C1811 C1815
+3.5V_ST
33pF 33pF
50V 50V
R1802
10K
R1816
C 100
C1807
R1801 1000pF
B
Q1801
AMP_MUTE 50V
2SC3052
10K
E
R1803
0
SUB_MUTE
OPT
WOOFER AMP.
WOOFER
OPT
C1812
C1808
10uF 0.1uF
WOOFER 10V
16V
C1805
WOOFER 1000pF
50V
C1803
WOOFER
R1814
100pF
50V 3.3K
AUD_LRCH
AUD_LRCK
AUD_SCK
WOOFER
R1811 100
SDA3_3.3V
WOOFER
R1812 100
SCL3_3.3V
C1809 C1813
33pF 33pF
50V 50V
SUB_MUTE
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.3V_Normal AMP_RESET_N
C1834
1000pF
50V
L1803
BLM18PG121SN1D
AUD_MASTER_CLK
C1832 C1883
10uF
0.1uF
10V
16V
OPT
C1819 C1825
10uF 0.1uF
10V
16V
AGND_PLL
1
AVDD_PLL
2
THERMAL
DVDD_PLL
3
49
LF
4
IC1802
DGND_PLL
5
OPT
GND_1 NTP-7400L
C1820 6
10uF
C1826
10V 0.1uF
DGND
16V
7
DVDD
8
SDATA
9
WCK
10
BCK
11
SDA
12
C1838
22000pF
50V
AMP_MUTE_HOTEL
+3.3V_Normal AMP_RESET_N
WOOFER
C1833
WOOFER
1000pF
50V WOOFER
L1802
WOOFER
BLM18PG121SN1D
R1818
10K
AUD_MASTER_CLK
WOOFER
WOOFER
C1831 C1884
10uF
0.1uF
10V
16V
WOOFER
OPT
C1816 C1822
10uF 0.1uF
10V
16V
AGND_PLL
1
AVDD_PLL
2
THERMAL
DVDD_PLL
3 49
WOOFER
LF
4
IC1801
DGND_PLL
5
OPT GND_1 NTP-7400L
WOOFER
C1817 6
10uF C1823
10V 0.1uF
DGND
16V
7
DVDD
8
SDATA
9
WCK
10
BCK
11
SDA
12
WOOFER
WOOFER
R1817
C1836
WOOFER 22000pF
100
C1829
50V
1000pF
50V
+24V_AMP
OPT
R1851
3.3
OPT
C1881
C1842 C1846 C1848
0.01uF
0.1uF 0.1uF 10uF
50V
50V 50V 35V
D1805
1N4148W R1823 R1834
12 12
100V
OPT
C1863
390pF
50V
C1864
OUT1B_2
390pF
36
D1806 50V
1N4148W
R1824 R1832
OUT1B_1
100V 12 12
35
OPT
PGND1B
34
C1853
22000pF
BST1B
50V
33
VDR1
32
VCC_5
31
GND_2
30
VDR2
29
C1856 C1858 C1868
BST2A 1uF 1uF 1uF
28
25V 25V 25V
PGND2A
27 C1854
22000pF
50V
OUT2A_2
26
OUT2A_1
25
+24V_AMP
D1807 R1833
R1825
1N4148W 12
12
100V
OPT
C1865
390pF
50V
C1840 C1844 C1850
C1866
0.1uF 0.1uF 10uF
390pF
50V 50V 50V
35V D1808
1N4148W
R1826 R1830
100V 12 12
OPT
+24V_AMP
OPT
R1852
3.3
OPT
WOOFER WOOFER
WOOFER
C1882
C1841 C1845 C1847
0.01uF
0.1uF 0.1uF 10uF
50V
50V 50V 35V
D1801
WOOFER WOOFER
1N4148W R1819 R1831
12 12
100V
OPT
WOOFER
C1859
390pF
50V
WOOFER
C1860
OUT1B_2
390pF
36 D1802 50V
WOOFER WOOFER
1N4148W
R1820 R1828
OUT1B_1
100V
12 12
35
OPT
PGND1B
WOOFER
34 C1851
22000pF
BST1B
50V
33
VDR1
32
VCC_5
31
GND_2
30
VDR2
29
WOOFER WOOFER WOOFER
C1855 C1857 C1867
BST2A
1uF 1uF 1uF
28
25V 25V 25V
WOOFER
PGND2A
27 C1852
22000pF
OUT2A_2 50V
26
OUT2A_1
25
WOOFER
+24V_AMP WOOFER
D1803
R1821 R1829
1N4148W 12
12
100V
OPT
WOOFER
C1861
390pF
50V
WOOFER WOOFER WOOFER
C1839 C1843 C1849
WOOFER
C1862
0.1uF 0.1uF 10uF
390pF
50V
50V 50V 35V D1804
WOOFER WOOFER
1N4148W
R1822 R1827
100V
12 12
OPT
SPK_L+
L1810
R1839
10.0uH C1877
0.1uF
4.7K
50V
NRS6045T100MMGK
C1871
L1811 0.47uF
50V SPEAKER_L
10.0uH
C1878
NRS6045T100MMGK
0.1uF R1840
50V
4.7K
SPK_L-
SPK_L+
SPK_L-
SPK_R+
SPK_R-
SPK_R+
L1806
10.0uH
C1879 R1841
NRS6045T100MMGK 0.1uF 4.7K
C1872
50V
0.47uF
L1807 50V SPEAKER_R
10.0uH
NRS6045T100MMGK
C1880 R1842
0.1uF 4.7K
50V
SPK_R-
SPK_WOOFER_L+
L1808
WOOFER
WOOFER
10.0uH WOOFER
R1835
C1873
0.1uF
4.7K
NRS6045T100MMGK 50V
WOOFER
C1869
0.47uF
50V WOOFER_L
L1809
10.0uH WOOFER WOOFER
WOOFER
C1874
0.1uF R1836
NRS6045T100MMGK 50V
4.7K
SPK_WOOFER_L-
SPK_WOOFER_R-
SPK_WOOFER_R+
SPK_WOOFER_L-
SPK_WOOFER_L+
SPK_WOOFER_R+
L1804
WOOFER WOOFER
WOOFER
10.0uH
C1875 R1837
NRS6045T100MMGK WOOFER 0.1uF 4.7K
C1870 50V
0.47uF
L1805 50V WOOFER_R
10.0uH
WOOFER
WOOFER WOOFER
NRS6045T100MMGK
C1876 R1838
0.1uF 4.7K
50V
SPK_WOOFER_R-
BCM35230
AUDIO[NEO]
P1801 P1801-*1
SMAW250-H04R TJC2508-4A
4 4
3 3
2 2
1 1
SPK_WAFER_ANGLE SPK_WAFER_STRIGHT
P1802
SMAW250-05
WOOFER
1
2
3
4
5
18
50
LGE Internal Use Only