LG 42LN549C / 42LP360H (CHASSIS:LB3AC) 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.
5V_HDMI_2
DDC_SDA_2
DDC_SCL_1
DDC_SDA_4
DDC_SDA_1
+5V_Normal
5V_DET_HDMI_2
5V_DET_HDMI_4
2.7K
R813
5V_HDMI_1
10K
R808
CEC_REMOTE_S7
5V_HDMI_4
1.8K
R802
10K
R811
100
R816
2.7K
R820
HDMI_2
10K
R809
DDC_SDA_4
HDMI_CEC
1K
R803
HPD2
5V_HDMI_2
DDC_SDA_1
+5V_Normal
HDMI_CEC
1K
R801
DDC_SCL_4
10K
R821
10K
R823
1.8K
R815
DDC_SCL_2
EAG59023302
JK801
HDMI_2_Normal
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HPD4
1.8K
R804
3.3K
R805
+5V_Normal
DDC_SDA_2
HDMI_CEC
HPD1
EAG59023302
JK802
HDMI_1_Normal
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HDMI_CEC
5V_DET_HDMI_1
2.7K
R812
DDC_SCL_1
5V_HDMI_4
DDC_SCL_2
10K
R810
2.7K
R819
HDMI_2
3.3K
R817
DDC_SCL_4
5V_HDMI_1
1K
R814
3.3K
R806
2.7K
R827
HDMI_SIDE
2.7K
R828
HDMI_SIDE
MMBT3904(NXP)
Q801
E
B
C
MMBT3904(NXP)
Q802
E
B
C
MMBT3904(NXP)
Q804
E
B
C
MMBD6100
D801
D801
A2
C
A1
MMBD6100
D802
D802
HDMI_2
A2
C
A1
MMBD6100
D803
D803
HDMI_SIDE
A2
C
A1
ESD_HDMI
VA803
VA802
ESD_HDMI
VA801
ESD_HDMI
51U019S-312HFN-E-R-E-LG
JK803-*1
SIDE_HDMI_32LS3500
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
0
HDMI1_ARC
R807
HDMI_ARC
YKF45-7054V
HDMI_2_BDP_Model
JK801-*1
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
YKF45-7054V
HDMI_1_BDP_Model
JK802-*1
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
EAG62611204
HDMI_SIDE
JK803
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
RCLAMP0524PA
ESD_HDMI
D804
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
ESD_HDMI
D805
1
8
2
7
3
6
4
5
9
10
D1+_HDMI1
D2+_HDMI1
D2-_HDMI1
D0+_HDMI1
D0-_HDMI1
CK+_HDMI1
CK-_HDMI1
D1-_HDMI1
ESD_HDMI
VA806
ESD_HDMI
VA807
ESD_HDMI
VA805
5V_HDMI_1
5V_HDMI_1
ESD_HDMI
VA804
5V_HDMI_2
5V_HDMI_2
ESD_HDMI
VA811
ESD_HDMI
VA810
ESD_HDMI
VA809
ESD_HDMI
VA808
RCLAMP0524PA
ESD_HDMI
D806
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
ESD_HDMI
D807
1
8
2
7
3
6
4
5
9
10
D1+_HDMI2
D2+_HDMI2
D2-_HDMI2
D0+_HDMI2
D0-_HDMI2
CK+_HDMI2
CK-_HDMI2
D1-_HDMI2
RCLAMP0524PA
ESD_HDMI
D808
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
ESD_HDMI
D809
1
8
2
7
3
6
4
5
9
10
D1+_HDMI4
D2+_HDMI4
D2-_HDMI4
D0+_HDMI4
D0-_HDMI4
CK+_HDMI4
CK-_HDMI4
D1-_HDMI4
5V_HDMI_4
5V_HDMI_4
ESD_HDMI
VA814
ESD_HDMI
VA815
ESD_HDMI
VA813
ESD_HDMI
VA812
100
R822
100
R818
100
R824
100
R825
100
R826
100
R829
H D M I / R J P
8
HDMI_2
For CEC
SIDE_HDMI
HDMI
HDMI_1
F o r B D P I n - P a c k i n g M o d e l
- E M I G a s k e t T o u c h J a c k
LA2AW
2 0 1 2 . 0 9 . 1 1
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.
RXA4+
10uF
16V
16V
OPT
C1103
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
1000pF
50V
50V
C1101
OPT
10K
OPT
R1108
RXA0-
10K
AUO_GND
R1101
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
0
HD_GND_2pin
R1106
RXA2-
RXACK+
1000pF
50V
50V
OPT
C1104
10uF
16V
16V
OPT
C1100
RXA1-
F I - R E 5 1 S - H F - J - R 1 5 0 0
P1100
FHD
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
3.3K
OPT
R1107
+3.3V_Normal
0 . 1 u F
16V
16V
HD
C1105
RXA1+
RXB1+
RXB0-
RXACK-
RXA2+
FF10001-30
P1101
HD
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
RXA2-
PANEL_VCC
RXA4-
RXACK+
RXB0+
RXA1-
RXA3-
0 . 1 u F
16V
16V
C1102
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
3.3K
OPT
R1102
R1102
10K
OPT
R1103
R1103
+3.3V_Normal
0
PSU_T120_LGD
R1100
PWM_DIM
OPC&SCANNING_CTRL
3.3K
OPT
R1104
R1104
+3.3V_Normal
10K
OPT
R1105
R1105
70-ohm
FHD
L1100
BLM18SG700TN1D
70-ohm
HD
L1101
AUO_GND/LGD_NC
LVDS_SEL
[ 3 0 P i n L V D S C o n n e c t o r ]
( F o r H D 6 0 H z _ N o r m a l )
L V D S f o r l a r g e i n c h
[ 5 1 P i n L V D S C o n n e c t o r ]
( F o r F H D 6 0 H z )
RXB3-
RXA4-
RXA0+
RXB4-
RXB1+
RXB1+
RXA4+
RXB3-
RXA4+
RXA2-
RXB3+
RXB2+
MIRROR
FOR FHD REVERSE(8bit)
RXA0+
RXA3-
RXB0-
RXA2+
RXACK-
RXA1+
RXA4-
RXB1+
RXB3-
RXA2+
RXB2-
RXB4+
RXB3-
RXB0+
MIRROR
RXB3+
RXB2-
RXBCK+
RXACK-
RXB3+
RXB1+
RXA1+
RXA0-
RXB2-
RXB4+
RXA2+
RXA2+
RXA4+
RXB1-
RXB0-
RXA3+
RXA0-
RXB4-
RXBCK-
RXB1-
RXA1-
RXA4-
RXA3-
RXA1+
RXA0-
RXA4-
RXB2+
RXA2-
RXB4-
RXA3-
RXACK+
RXA4+
RXB1-
RXB3+
RXA4-
RXB1-
P o l - c h a n g e
S h i f t
RXB2-
RXA2+
RXB4+
RXACK-
RXA1-
RXB4+
RXB0+
RXB3-
RXA1-
RXA0+
RXA3-
RXBCK+
RXA0-
RXB0-
RXB1+
RXA0+
RXBCK+
RXA0-
RXBCK+
RXACK-
RXA2-
RXA4+
RXACK+
RXA2-
RXB0-
RXB1-
RXB3+
RXBCK+
RXB3-
RXB0-
RXB2+
RXB0-
RXB2-
RXA3+
RXACK-
RXB0+
RXB2+
RXA3+
RXB0+
RXA1-
RXA4-
RXB4+
RXA2-
RXA2+
RXA0+
RXB1-
RXB2-
RXA3+
RXBCK+
RXB4-
RXB2+
RXA3+
RXB4-
RXB2+
RXBCK-
RXA1-
RXA0+
C h a n g e i n S 7 L R
RXBCK-
RXA4+
P o l - c h a n g e
RXA0-
RXB3-
RXB4-
RXACK+
RXB0+
RXB4+
RXBCK-
RXACK+
RXB0+
RXA3-
RXA3+
C h a n g e i n S 7 L R
RXBCK-
RXA3-
RXBCK-
RXACK+
RXA4-
RXB0-
RXACK-
RXA1+
RXACK-
RXB1+
RXA1-
RXA3+
RXA2-
RXB4-
RXA3-
RXA0-
RXB1-
RXBCK-
RXBCK+
RXA1+
RXB3+
RXB3+
RXA1-
RXB2-
RXB1+
RXA2-
RXB4+
RXACK+
RXA0+
RXA1+
RXA4+
FOR FHD REVERSE(10bit)
RXB2+
RXB0+
RXA1+
RXACK+
RXA2+
LVDS_SEL
SCANNING_EN
LA2AW
2 0 1 2 . 0 9 . 1 1
LVDS_LARGE
11
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.
/SPI_CS
0
OPT
R304
MMBT3904(NXP)
OPT
Q301
Q301
E
B
C
SPI_SCK
0 . 1 u F
S_FLASH_OS
C301
SPI_SDI
/FLASH_WP
MX25L8006EM2I-12G
S_FLASH_OS_MACRONIX
IC301
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
S I / S I O 0
6
SCLK
7
HOLD#
8
VCC
SPI_SDO
33
S_FLASH_OS
R303
4.7K
OPT
R302
R302
+3.5V_ST
+3.5V_ST
10K
OPT
R301
+3.5V_ST
W25Q80BVSSIG
S_FLASH_OS_WINBOND
IC301-*1
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
D I [ I O 0 ]
6
CLK
7
HOLD[IO3]
8
VCC
3
S e r i a l F L A S H
S e r i a l F l a s h f o r S P I b o o t _ N O N _ O S a n d O S
LA2AW
2 0 1 2 . 0 9 . 1 1
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