LG 55LW9500-TA (CHASSIS:LB12D) Service Manual ▷ View 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.
EPHY_TDP
L1401
MLB-201209-0120P-N2
EPHY_RDP
+3.3V_Normal
EPHY_RDN
C1401
0.1uF
16V
+2.5V_BCM35230
EPHY_TDN
EPHY_ACTIVITY
EPHY_LINK
JK1401
XRJH-01A-4-DA7-180-LG(B)
1
R1
2
R2
3
R3
4
R4
5
R5
6
R6
7
R7
8
R8
12
SHIELD
9
R9
11
R11
10
R10[GND]
D1
YL_C
D2
YL_A
D3
GN_C
D4
GN_A
D1403
5V
LAN_ESD
D1405
5V
LAN_ESD
D1401
5.5V
LAN_ESD
D1404
5.5V
LAN_ESD
D1402
5.5V
LAN_ESD
D1406
5.5V
LAN_ESD
R1401
240
R1402
240
DUAL COMPONENT
D1401,D1402
D1403,D1404
D1405,D1406
D1403,D1404
D1405,D1406
14
ETHERNET
Ethernet Block
1ST : EAH42720601 2ND : EAH60994401
50
BCM35230
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.
TXA2P
TXACLKP
C1503
0.1uF
16V
0.1uF
16V
3D_SYNC_RF
TXDCLKP
TXA3N
TXB2N
R1514
10K
LVDS_SEL_LOW
P1501
FI-RE51S-HFK-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
PANEL_VCC
TXB3P
SCL2_3.3V
+3.3V_Normal
TXB3N
R1504
33
FRC2
P1502
FI-RE41S-HFK-A
LVDS_41P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
TXA0N
TXD2N
R1512
10K
10K
BIT_SEL_LOW
TXB0N
TXC0P
TXACLKN
TXD0N
C1501
10uF
25V
10uF
25V
OPT
TXC1P
TXC3N
TXB1P
TXC2P
TXC0N
TXBCLKP
TXC4N
TXCCLKP
TXA1P
TXD1P
TXDCLKN
SDA2_3.3V
TXCCLKN
TXBCLKN
R1507
33
FRC2
TXD0P
TXB4N
TXB2P
TXC4P
TXD4P
TXA1N
TXB4P
TXD3N
R1506
33
FRC2
TXB1N
TXA0P
R1508
33
FRC2
TXC2N
R1513
3.3K
LVDS_SEL_HIGH
TXA2N
TXA3P
TXC1N
TXD3P
TXD2P
TXA4N
TXD1N
TXC3P
FRC_RESET
TXA4P
TXD4N
TXB0P
C1502
1000pF
50V
1000pF
50V
L1501
MLB-201209-0120P-N2
NON_SHARP_60INCH
R1516
33
SHARP_OPT
PANEL_CTL
C1504
2.2uF
50V
2.2uF
50V
LVDS_41P
LVDS_SEL
BCM35230
50
15
LVDS
FHD120Hz LVDS output(51pin+41Pin)
BIT_SEL
REVERSE MARK
2010.11.03
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.
SCL2_3.3V
R1602
33
LPB_42/47/55
SDA2_3.3V
R1601
33
LPB_42/47/55
L/DIM0_MOSI
L/DIM0_SCLK
L/DIM0_VS
P1601
12507WR-08L
L/Dim Wafer
1
2
3
4
5
6
7
8
9
50
BCM35230
16
L_DIMMING
[Local Dimming Block]
THERMAL
THERMAL
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.
R1824
12
D1806
100V
1N4148W
OPT
C1850
10uF
35V
SPK_R-
R1826
12
+24V
SDA3_3.3V
C1855
1uF
25V
1uF
25V
WOOFER
+3.3V_Normal
C1881
0.01uF
50V
0.01uF
50V
OPT
SPK_L-
R1830
12
R1812
100
WOOFER
R1816
100
SPK_WOOFER_R+
R1833
12
C1860
390pF
50V
WOOFER
R1808
100
R1831
12
WOOFER
SPK_R+
C1829
1000pF
50V
WOOFER
0.1uF
C1846
50V
C1882
0.01uF
50V
0.01uF
50V
OPT
0.1uF
C1875
50V
WOOFER
Q1801
2SC3052
E
B
C
SPK_L+
0.1uF
C1845
50V
WOOFER
R1825
12
C1863
390pF
50V
AMP_MUTE
D1805
100V
1N4148W
OPT
R1815
3.3K
R1822
12
WOOFER
C1805
1000pF
50V
WOOFER
R1821
12
WOOFER
C1808
10uF
10V
OPT
AUD_MASTER_CLK
C1853
22000pF
22000pF
50V
0.1uF
C1812
16V
WOOFER
C1862
390pF
50V
WOOFER
P1802
SMAW250-05
WOOFER
1
2
3
4
5
AUD_LRCK
C1820
10uF
10uF
10V
OPT
SPK_R-
SPK_WOOFER_R-
+24V_AMP
C1849
10uF
35V
WOOFER
AUD_LRCH
R1838
4.7K
WOOFER
0.1uF
C1844
50V
C1868
1uF
25V
1uF
25V
0.1uF
C1831
16V
WOOFER
0.1uF
C1801
50V
+24V_AMP
R1803
0
OPT
L1801
MLB-201209-0120P-N2
AMP_RESET_N
R1820
12
WOOFER
C1819
10uF
10V
OPT
D1802
100V
1N4148W
OPT
SPK_L-
C1825
0.1uF
16V
SPK_WOOFER_R-
C1854
22000pF
50V
22000pF
50V
C1871
0.47uF
50V
R1807
100
C1867
1uF
25V
1uF
25V
WOOFER
0.1uF
C1842
50V
0.1uF
C1814
16V
R1829
12
WOOFER
0.1uF
C1843
50V
WOOFER
C1859
390pF
50V
WOOFER
C1837
22000pF
50V
C1838
22000pF
50V
0.1uF
C1839
50V
WOOFER
C1836
22000pF
50V
WOOFER
P1801
SMAW250-H04R
SPK_WAFER_ANGLE
1
2
3
4
R1823
12
SUB_MUTE
SCL3_3.3V
C1811
33pF
50V
33pF
50V
NTP
C1872
0.47uF
50V
0.1uF
C1880
50V
0.1uF
C1823
16V
WOOFER
R1817
100
WOOFER
R1818
10K
WOOFER
SPK_WOOFER_L-
L1802
BLM18PG121SN1D
WOOFER
R1834
12
R1811
100
WOOFER
R1837
4.7K
WOOFER
SCL3_3.3V
AMP_MUTE_HOTEL
SPK_R+
SDA3_3.3V
R1802
10K
D1807
100V
1N4148W
OPT
R1835
4.7K
WOOFER
C1865
390pF
50V
R1828
12
WOOFER
C1816
10uF
10V
OPT
+3.3V_Normal
C1847
10uF
35V
10uF
35V
WOOFER
R1832
12
R1852
3.3
3.3
OPT
AUD_SCK
R1842
4.7K
C1807
1000pF
50V
C1870
0.47uF
50V
WOOFER
C1803
100pF
50V
WOOFER
R1840
4.7K
C1848
10uF
35V
10uF
35V
C1861
390pF
50V
WOOFER
AUD_LRCH
SUB_MUTE
D1808
100V
1N4148W
OPT
C1806
1000pF
50V
SPK_L+
0.1uF
C1841
50V
WOOFER
R1827
12
WOOFER
AUD_MASTER_CLK
D1804
100V
1N4148W
OPT
R1801
10K
C1834
1000pF
50V
SPK_WOOFER_R+
AMP_RESET_N
0.1uF
C1877
50V
R1851
3.3
3.3
OPT
0.1uF
C1840
50V
C1810
10uF
10V
OPT
0.1uF
C1832
16V
AUD_LRCK
C1869
0.47uF
50V
WOOFER
C1813
33pF
50V
33pF
50V
NTP_WOOFER
AUD_SCK
C1817
10uF
10uF
10V
OPT
C1856
1uF
25V
1uF
25V
SPK_WOOFER_L+
0.1uF
C1879
50V
D1803
100V
1N4148W
OPT
C1864
390pF
50V
+24V_AMP
C1858
1uF
25V
25V
+3.5V_ST
C1866
390pF
50V
+24V_AMP
0.1uF
C1874
50V
WOOFER
C1835
22000pF
50V
WOOFER
SPK_WOOFER_L-
R1814
3.3K
WOOFER
+24V_AMP
SPK_WOOFER_L+
C1809
33pF
50V
33pF
50V
NTP_WOOFER
0.1uF
C1826
16V
R1841
4.7K
C1833
1000pF
50V
WOOFER
L1803
BLM18PG121SN1D
C1815
33pF
50V
33pF
50V
NTP
C1857
1uF
25V
25V
WOOFER
R1836
4.7K
WOOFER
C1851
22000pF
22000pF
50V
WOOFER
C1822
0.1uF
16V
WOOFER
0.1uF
C1802
50V
0.1uF
C1873
50V
WOOFER
R1839
4.7K
C1804
100pF
50V
0.1uF
C1876
50V
WOOFER
C1852
22000pF
50V
22000pF
50V
WOOFER
0.1uF
C1878
50V
D1801
100V
1N4148W
OPT
R1819
12
WOOFER
L1807
NRS6045T100MMGK
10.0uH
L1810
NRS6045T100MMGK
10.0uH
L1811
NRS6045T100MMGK
10.0uH
L1806
NRS6045T100MMGK
10.0uH
L1805
NRS6045T100MMGK
WOOFER
10.0uH
L1804
NRS6045T100MMGK
WOOFER
10.0uH
L1809
NRS6045T100MMGK
WOOFER
10.0uH
L1808
NRS6045T100MMGK
WOOFER
10.0uH
IC1801
NTP-7400L
WOOFER
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
GND_2
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
IC1802
NTP-7400L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
GND_2
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
C1883
10uF
10V
10uF
10V
C1884
10uF
10V
10uF
10V
WOOFER
P1801-*1
TJC2508-4A
SPK_WAFER_STRIGHT
1
2
3
4
SPEAKER_L
WOOFER AMP.
BCM35230
1ST : 0TRIY80001A 2ND : 0TR387500AA
18
SPEAKER_R
DUAL COMPONENT
Q1801
50
WOOFER_R
AUDIO[NEO]
WOOFER_L
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