LG 42LN548C / 42LN549C / 42LP360H / 42LP361H (CHASSIS:LD3AC) 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.
+24V_AMP
AMP_SCL
+24V
12
R511
+24V_AMP
390pF
50V
C530
10K
R520
SPK_L+
10uF
35V
C524
10.0uH
L504
0 . 1 u F
50V
50V
C521
100
R503
4.7K
R517
AMP_SDA
1000pF
50V
C516
100pF
50V
C503
0 . 1 u F
50V
50V
C520
0 . 1 u F
50V
50V
C522
0 . 1 u F
50V
C502
1000pF
50V
C504
10K
R502
12
R508
100
R506
AMP_RESET
SPK_R-
0 . 4 7 u F
50V
C535
THERMAL
NTP-7500L
IC501
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
AGND
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]
12
R509
0 . 1 u F
50V
C539
0 . 1 u F
16V
C514
POWER_DET
390pF
50V
C532
10K
R521
SPK_L+
390pF
50V
C533
10.0uH
L506
0 . 1 u F
50V
C501
AUD_SCK
0 . 1 u F
50V
C538
12
R513
+3.3V_Normal
12
R515
4.7K
R518
10uF
10V
DELETE
C511
0 . 1 u F
50V
C537
33pF
50V
50V
C509
33pF
50V
50V
C507
0 . 1 u F
50V
50V
C519
4.7K
R516
390pF
50V
C531
12
R510
0
DELETE
R522
+3.5V_ST
1uF
25V
25V
C534
4.7K
R519
0 . 4 7 u F
50V
C536
SPK_R-
22000pF
50V
C517
3.3K
R505
WAFER-ANGLE
P501
1
2
3
4
SPK_R+
0 . 1 u F
16V
C513
0 . 1 u F
16V
C512
22000pF
50V
C518
10uF
10V
C510
10K
R501
10.0uH
L503
10uF
10V
C506
100
R504
10.0uH
L505
SPK_L-
22000pF
50V
50V
C527
MMBT3904(NXP)
Q501
E
B
C
12
R512
BLM18PG121SN1D
L502
AUD_LRCK
1uF
25V
25V
C529
22000pF
50V
C526
MLB-201209-0120P-N2
L501
10uF
10V
10V
C515
AUD_MASTER_CLK
0 . 1 u F
50V
50V
C540
10uF
35V
35V
C523
12
R514
0 . 1 u F
16V
C508
+24V_AMP
AMP_MUTE
SPK_L-
AUD_LRCH
SPK_R+
1000pF
50V
C505
1uF
25V
25V
C528
SPEAKER_L
SPEAKER_R
POWER
2 0 1 2 . 1 1 . 1 2
2013 S7LR2
5
1000pF
50V
C603
+3.5V_ST
LED_R
0 . 1 u F
16V
C602
10K
1%
R603
100pF
50V
C604
0 . 1 u F
C609
CONTROL_FILTER
+3.5V_ST
0 . 1 u F
C608
CONTROL_FILTER
+3.5V_ST
22
R604
10K
1%
R602
KEY1
47K
R607
IR
KEY2
5.6V
D603
BLM18PG121SN1D
L601
CONTROL_FILTER
BLM18PG121SN1D
L602
CONTROL_FILTER
BLM18PG121SN1D
L600
22
IR_OUT
R605
+3.5V_ST
+3.5V_ST
47K
IR_OUT
R612
IR_OUT
10K
IR_OUT
R609
0
R611
OPT
2SC3052
IR_OUT
Q600
E
B
C
2SC3052
IR_OUT
Q601
E
B
C
12507WR-08L
P600
1
2
3
4
5
6
7
8
9
10K
IR_OUT
R606
47K
IR_OUT
R608
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.
0
CONTROL_NO_FILTER
R614
0
CONTROL_NO_FILTER
R615
1.8K
R610
6
IR/CONTROL
IR & LED
CONTROL
IR OUT
2013 S7LR2
2 0 1 2 . 1 1 . 1 2
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.
RXB4+
10K
OPT
R711
120
HD_SS
L701
RXA4+
RXACK-
120
FHD_SS
L702
RXA1-
RXACK+
RXA0-
RXBCK+
RXB2+
10K
OPT
R710
R710
RXB1-
RXA0-
RXB1+
RXA3-
RXB0+
RXB4-
RXA4-
RXA2+
RXA2+
RXB0-
RXA1+
0 . 1 u F
16V
16V
FHD
C710
RXA2-
RXA1-
3.3K
OPT
R712
RXA0+
RXA2-
RXB2-
F I - R E 5 1 S - H F - J - R 1 5 0 0
FHD
P703
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
R705
R705
RXA3+
RXA1+
RXACK+
RXB3+
+3.3V_Normal
FF10001-30
HD
P705
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
PANEL_VCC
RXB3-
PANEL_VCC
RXBCK-
0 . 1 u F
16V
16V
HD
C703
RXACK-
RXA0+
RXA3-
RXA3+
+3.3V_Normal
120OHM
L701-*1
HD_SUNLORD
120OHM
FHD_SUNLORD
L702-*1
RXA0-
RXA2+
RXB1-
RXB2-
RXB1-
RXA3+
RXA4-
RXACK-
RXA0-
RXA4-
RXB2-
RXB0+
RXA2-
RXA4+
RXB4-
RXA3+
RXACK+
RXA1+
RXA1+
P o l - c h a n g e
RXA1-
RXB2-
RXB4-
RXB0-
RXBCK+
RXA4-
RXB4-
RXB3-
RXA3-
RXA0+
RXA4-
RXA0-
RXA0-
RXA1+
RXBCK-
RXB4-
[ 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 )
RXA1+
RXB2-
RXA0+
RXA0+
RXB1+
RXB3-
RXA1-
RXB2-
RXA2+
RXACK-
RXA1-
RXB3+
RXA3+
RXA3-
[ 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 )
RXB0-
RXBCK+
RXB1+
RXA0+
RXA2+
RXA3-
RXB3+
RXA1-
RXBCK+
RXACK-
RXB0-
RXACK+
FOR FHD REVERSE(8bit)
RXA4-
RXB4+
RXA3-
RXBCK-
RXB4+
RXA2-
RXA4+
RXA4-
RXBCK+
LVDS_SEL
RXA2+
RXB4+
RXBCK-
RXACK-
RXB1-
RXB2+
RXBCK+
RXB3+
RXB4-
S h i f t
RXB0+
RXB3-
RXA3-
P o l - c h a n g e
RXB2+
RXACK+
MIRROR
RXACK+
RXB1+
RXA1-
RXA1+
RXB3+
RXA0-
RXBCK-
RXB0+
RXB2+
RXB1+
RXACK+
RXB1+
RXBCK-
RXB0-
RXA3-
RXB3+
RXA2+
RXB4+
RXA0-
RXA0+
LVDS
RXA1-
RXBCK-
RXA3+
RXA3+
RXACK+
RXB0-
RXB0-
RXBCK+
RXA3+
RXA3-
RXA1+
RXB0+
RXB2+
RXB0+
RXA2+
RXB3-
RXBCK-
RXA1-
RXA2-
RXA3+
RXA0+
RXA0-
RXB0+
RXACK-
RXB1-
MIRROR
RXA1+
RXB4+
RXB0-
RXACK-
RXB2+
RXB3+
RXB1+
RXB4+
RXB1-
RXB3-
RXA4-
RXA2-
LVDS_SEL
RXB3+
RXA2-
RXA2-
RXB0+
C h a n g e i n S 7 L R
RXA2+
C h a n g e i n S 7 L R
RXB4-
RXA4+
RXB2+
RXB2-
RXB2-
RXB1-
RXA0+
RXBCK+
RXA4+
RXA4+
RXB1-
RXA4+
RXACK-
RXB3-
RXB4-
RXA4+
RXA2-
RXB3-
RXACK+
RXB2+
FOR FHD REVERSE(10bit)
RXB4+
RXB1+
LVDS
2013 S7LR2
2 0 1 2 . 1 1 . 1 2
7
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_DET_HDMI_4
DDC_SDA_1
10K
R862
D1+_HDMI2
HDMI_CEC
D0-_HDMI1
GND
EAG59023302
JK801
HDMI_2
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
CK-_HDMI4
D0+_HDMI2
D2-_HDMI2
HPD4
10K
R828
CK+_HDMI1
D0+_HDMI4
1K
R896
1.8K
R803
HPD2
5V_DET_HDMI_2
HDMI_CEC
1.8K
R837
DDC_SCL_4
HDMI_CEC
DDC_SDA_2
EAG62611201
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
D0+_HDMI1
10K
R808
1.8K
R804
D2+_HDMI4
CK-_HDMI2
10K
R806
D1-_HDMI2
DDC_SCL_1
CK+_HDMI4
EAG59023302
JK802
HDMI_1
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
CK+_HDMI2
5V_DET_HDMI_1
10K
R830
D0-_HDMI2
CK-_HDMI1
D1-_HDMI1
DDC_SDA_4
AVRL161A1R1NT
DELETE
D803
1K
R897
10K
R807
1K
R895
D1+_HDMI4
3.3K
R835
DDC_SCL_2
5V_HDMI_4
D2-_HDMI4
HDMI_CEC
D2+_HDMI2
5V_HDMI_2
D0-_HDMI4
D1-_HDMI4
D2+_HDMI1
D2-_HDMI1
3.3K
R802
CEC_REMOTE_S7
3.3K
R801
HPD1
5V_HDMI_1
D1+_HDMI1
100
R855
ENKMC2838-T112
D821
D821
A1
C
A2
ENKMC2838-T112
D822
D822
A1
C
A2
2.7K
R884
2.7K
R889
2.7K
R888
5V_HDMI_4
+5V_Normal
DDC_SDA_4
DDC_SCL_1
DDC_SDA_2
5V_HDMI_2
DDC_SDA_1
+5V_Normal
ENKMC2838-T112
D824
D824
A1
C
A2
5V_HDMI_1
DDC_SCL_2
DDC_SCL_4
+5V_Normal
2.7K
R885
2.7K
R891
2.7K
R887
MMBT3904(NXP)
Q803
E
B
C
MMBT3904(NXP)
Q802
E
B
C
MMBT3904(NXP)
Q801
E
B
C
200pF
5.6V
DELETE
D802
200pF
5.6V
DELETE
D814
200pF
5.6V
DELETE
D811
ESD_HDMI
D801
ESD_HDMI
D800
ESD_HDMI
D823
ESD_HDMI
D804
RCLAMP0524PA
D805
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
D806
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
ESD_HDMI
D808
ESD_HDMI
D807
ESD_HDMI
D810
ESD_HDMI
D809
RCLAMP0524PA
D812
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
D813
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
ESD_HDMI
D817
ESD_HDMI
D816
ESD_HDMI
D818
ESD_HDMI
D815
RCLAMP0524PA
D819
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
D820
ESD_HDMI_SEMTECH
1
8
2
7
3
6
4
5
9
10
HDMI
8
HDMI_1
HDMI_2
For CEC
SIDE_HDMI
HDMI EEPROM
2013 S7LR2
2 0 1 2 . 1 1 . 1 2
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