LG 55LW470S (CHASSIS:LD12P) Service Manual ▷ View online
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.
DDC_SDA_3
HDMI_ARC
R3710
4.7K
4.7K
+5V_Normal
D1-_HDMI2
DDC_SDA_1
CK+_HDMI2
D1+_HDMI1
R3708
63.4
D0-_HDMI3
CK+_HDMI3
5V_HDMI_1
R3709
4.7K
4.7K
CEC_REMOTE
DDC_SDA_3
D2-_HDMI3
R3712
4.7K
DDC_SCL_1
C3701
0.1uF
5V_HDMI_1
DDC_SDA_2
D1+_HDMI3
CK+_HDMI1
D1-_HDMI1
+3.5V_ST
+5V_Normal
CEC_REMOTE
DDC_SCL_2
D2-_HDMI2
5V_HDMI_3
CEC_REMOTE
D2-_HDMI1
+5V_Normal
R3711
4.7K
4.7K
D0+_HDMI2
D0+_HDMI3
R3713
4.7K
CEC_REMOTE
HDMI_CEC
BSS83
Q3707
S
B
D
G
D1+_HDMI2
DDC_SCL_2
CK-_HDMI2
DDC_SCL_3
D0+_HDMI1
D2+_HDMI3
HDMI_HPD_1
CK-_HDMI1
5V_HDMI_2
DDC_SDA_2
D2+_HDMI1
DDC_SCL_1
CK-_HDMI3
DDC_SCL_3
DDC_SDA_1
D0-_HDMI2
D1-_HDMI3
D0-_HDMI1
R3714
4.7K
D2+_HDMI2
R3725
120K
D3715
A1
C
A2
D3713
A1
C
A2
D3714
A1
C
A2
JK3703
RSD-105156-100
EAG62611201
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
JK3701
RSD-105156-100
EAG62611201
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
JK3702
RSD-105156-100
EAG62611201
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
DDC_SCL_1
DDC_SDA_1
D2+_HDMI2
HDMI_RX0+
D2+_HDMI1
HDMI_HPD_1
5V_HDMI_3
C3707
10uF
C3714
1uF
HDMI_HPD_3
R3733
10
10
+3.3V_HDMI
D0-_HDMI3
CK-_HDMI3
C3709
0.1uF
C3708
0.1uF
HDMI_RX1+
D2+_HDMI3
DDC_SCL_3
D1+_HDMI2
HDMI_CLK-
D0+_HDMI3
SCL3_3.3V
CK-_HDMI2
DDC_SDA_3
D2-_HDMI1
D2-_HDMI2
DDC_SDA_2
SDA3_3.3V
CK+_HDMI2
+5V_Normal
HDMI_HPD_2
HDMI_RX0-
5V_HDMI_2
C3713
1uF
C3712
1uF
CK+_HDMI3
5V_HDMI_1
CK-_HDMI1
C3705
10uF
R3738
10
10
D0-_HDMI1
DDC_SCL_2
C3710
0.1uF
R3729
0
CK+_HDMI1
C3715
1uF
10V
10V
D1-_HDMI3
C3711
0.1uF
D0-_HDMI2
D0+_HDMI2
D0+_HDMI1
HDMI_CLK+
HDMI_RX1-
D2-_HDMI3
D1-_HDMI2
HDMI_RX2+
C3706
10uF
D1-_HDMI1
R3726
10
10
D1+_HDMI1
HDMI_RX2-
D1+_HDMI3
C3716
1uF
GND
R3706
1K
OPT
VR3701
OPT
10V
C3726
0.1uF
16V
0.1uF
16V
OPT
R3736
0
OPT
R3737
3.6K
3.6K
OPT
VR3702
OPT
10V
R3704
0
OPT
VR3705
OPT
10V
R3718
1K
OPT
R3701
3.6K
3.6K
OPT
C3702
0.1uF
16V
0.1uF
16V
OPT
5V_HDMI_2
GND
HDMI_HPD_2
VR3703
OPT
10V
R3705
0
OPT
VR3706
OPT
10V
R3719
1K
OPT
R3702
3.6K
3.6K
OPT
C3703
0.1uF
16V
0.1uF
16V
OPT
5V_HDMI_3
GND
HDMI_HPD_3
VR3704
OPT
10V
R3739
4.7K
4.7K
R3740
33
OPT
R3741
33
OPT
R3742
33
R3743
33
SDA1_3.3V
SCL1_3.3V
+3.3V_Normal
L3701
BLM18PG121SN1D
C3727
0.1uF
16V
0.1uF
16V
+3.3V_HDMI
C3725
10uF
C3728
10uF
IC3701
SII9287B
1
R1XCN
2
R1XCP
3
R1X0N
4
R1X0P
5
R1X1N
6
R1X1P
7
R1X2N
8
R1X2P
9
VCC33_1
10
RSVD_1
11
R2XCN
12
R2XCP
13
R2X0N
14
R2X0P
15
R2X1N
16
R2X1P
17
R2X2N
18
R2X2P
19
R3XCN
20
R3XCP
21
R3X0N
22
R3X0P
23
R3X1N
24
R3X1P
25
R3X2N
26
R3X2P
27
VCC33_2
28
RSVD_2
29
DSDA0
30
DSCL0
31
CBUS_HPD0
32
R0PWR5V
33
DSDA1
34
DSCL1
35
CBUS_HPD1
36
R1PWR5V
37
MICOM_VCC33
38
SBVCC
39
DSDA2
40
DSCL2
41
CBUS_HPD2
42
R2PWR5V
43
DSDA3
44
DSCL3
45
CBUS_HPD3
46
R3PWR5V
47
DSDA4
48
DSCL4
49
R4PWR5V
50
CEC_A
51
CEC_D
52
INT
53
CSDA
54
CSCL
55
TPWR_CI2CA
56
TX2P
57
TX2N
58
TX1P
59
TX1N
60
TX0P
61
TX0N
62
TXCP
63
TXCN
64
VCC33_3
65
R0XCN
66
R0XCP
67
R0X0N
68
R0X0P
69
R0X1N
70
R0X1P
71
R0X2N
72
R0X2P
73
[EP]GND
D3716
BAT54_SUZHO
R3717
27K
R3707
150
R3727
1K
1%
1
/
1
6
W
R3728
1K
1%
1
/
1
6
W
R3734
1K
1%
1
/
1
6
W
R3744
100K
HDMI2
EDID Pull-up
DUAL COMPONENT
ARC
D3716
1ST : EAN60991801, 2ND : T-AZ1117BH_1.8, 3RD : EAN54428201
1ST : T-BAT54_SUZHO, 2ND : 0DSON00138A
HDMI1
* HDMI CEC
HDMI3
IC3702
BCM35230
50
37
LV7 HDMI
HDMI1
HDMI2
HDMI3
HDMI S/W OUTPUT
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_RDN
EPHY_TDN
C3901
0.1uF
16V
EPHY_TDP
+3.3V_Normal
EPHY_LINK
C3902
0.1uF
16V
EPHY_RDP
+2.5V_BCM35230
EPHY_ACTIVITY
JK3901
XRJV-01V-D12-180
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
D3906
5.5V
ADLC 5S 03 015
D3901
5.5V
ADLC 5S 03 015
D3902
5.5V
ADLC 5S 03 015
D3905
5.5V
ADLC 5S 03 015
D3903
5.5V
ADLC 5S 03 015
D3904
5.5V
ADLC 5S 03 015
L3901
MLB-201209-0120P-N2
R3901
240
R3902
240
Ethernet Block
BCM35230
50
39
LV7 ETHERNET
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.
R4018
470K
470K
COMP1_Pb
R4017
2.7K
ZD4012
5.1V
L4007
BLM18PG121SN1D
AV2_R_IN
R4021
0
0
ZD4011
5.1V
COMP1_DET
C4023
560pF
50V
560pF
50V
R4029
2.7K
R4019
470K
470K
+3.3V_Normal
D4008
5.6V
AMOTECH
R4023
1K
R4026
75
75
C4013
560pF
50V
560pF
50V
D4012
5.6V
L4006
BLM18PG121SN1D
R4016
75
75
C4020
560pF
50V
560pF
50V
C4016
560pF
50V
560pF
50V
ZD4016
5.1V
AV1_L_IN
D4010
5.6V
AV1_CVBS_IN
AV1_R_IN
ZD4010
5.1V
D4009
5.6V
AMOTECH
COMP1_Y
ZD4015
5.1V
+3.3V_Normal
C4014
560pF
50V
560pF
50V
R4031
1K
ZD4009
5.1V
AV2_L_IN
C4022
560pF
50V
560pF
50V
JK4001
PPJ238-01
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
C4015
560pF
50V
560pF
50V
R4028
75
75
R4022
0
0
COMP1_Pr
R4025
470K
R4027
75
75
D4007
5.6V
C4021
560pF
50V
560pF
50V
ZD4013
5.1V
AV1_CVBS_DET
R4024
470K
470K
R4020
0
0
ZD4014
5.1V
D4011
5.6V
C4001
27pF
50V
27pF
50V
C4002
27pF
50V
27pF
50V
C4004
27pF
50V
27pF
50V
L4002
CM2012FR27KT
C4003
27pF
50V
27pF
50V
L4001
CM2012FR27KT
R4032
22
R4033
22
R4007
22
1/10W
5%
5%
R4006
22
1/10W
5%
5%
R4034
10
1%
R4035
10
1%
R4036
10
1%
R4030
10
1%
C4012
47pF
50V
47pF
50V
L4003
CM2012FR10KT
C4005
47pF
50V
47pF
50V
C4006
47pF
50V
47pF
50V
LV7 EU COMP/AV
40
50
BCM35230
COMP/AV JACK PACK
CLOSE TO JUNCTION
COMP_AUDIO_R_IN
COMP_AUDIO_L_IN
FOR EMI
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
SIDE_USB_CTL1
R4102
2.7K
2.7K
D4101
5.6V
CDS3C05HDMI1
C4101
10uF
10V
10uF
10V
+3.3V_Normal
R4101
4.7K
OPT
4.7K
OPT
L4101
MLB-201209-0120P-N2
120-ohm
D4102
5.6V
CDS3C05HDMI1
SIDE_USB_DM
SIDE_USB_DP
SIDE_USB_OCD1
+5V_USB
P
4
1
0
1
3
A
U
0
4
S
-
3
0
5
-
Z
C
-
(
L
G
)
1
2
3
4
5
IC4101
AP2191DSG
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
C4103
0.1uF
16V
0.1uF
16V
D4103
RCLAMP0502BA
OPT
C4102
100uF
16V
16V
D4101,D4102
DUAL COMPONENT
1ST : EAH42720601 2ND : EAH60994401
USB
LV7 EU USB
41
50
BCM35230
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