DOWNLOAD LG 42LN548C / 42LN549C / 42LP360H / 42LP361H (CHASSIS:LD3AC) Service Manual ↓ Size: 6.48 MB | Pages: 38 in PDF or view online for FREE

Model
42LN548C 42LN549C 42LP360H 42LP361H (CHASSIS:LD3AC)
Pages
38
Size
6.48 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42ln548c-42ln549c-42lp360h-42lp361h-chassis-ld3ac.pdf
Date

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.
+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
C521
100
R503
4.7K
R517
AMP_SDA
1000pF
50V
C516
100pF
50V
C503
0 . 1 u F
50V
C520
0 . 1 u F
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
C509
33pF
50V
C507
0 . 1 u F
50V
C519
4.7K
R516
390pF
50V
C531
12
R510
0
DELETE
R522
+3.5V_ST
1uF
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
C527
MMBT3904(NXP)
Q501
E
B
C
12
R512
BLM18PG121SN1D
L502
AUD_LRCK
1uF
25V
C529
22000pF
50V
C526
MLB-201209-0120P-N2
L501
10uF
10V
C515
AUD_MASTER_CLK
0 . 1 u F
50V
C540
10uF
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
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.
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.
RXB4+
10K
OPT
R711
120
HD_SS
L701
RXA4+
RXACK-
120
FHD_SS
L702
RXA1-
RXACK+
RXA0-
RXBCK+
RXB2+
10K
OPT
R710
RXB1-
RXA0-
RXB1+
RXA3-
RXB0+
RXB4-
RXA4-
RXA2+
RXA2+
RXB0-
RXA1+
0 . 1 u F
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
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
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.
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
A1
C
A2
ENKMC2838-T112
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
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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