LG 47LV470S (CHASSIS:LD12B) 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.
CHBO_TS_SYNC
CHBO_TS_SERIAL
CHB_RESET
CHBO_TS_VAL_ERR
CHBO_TS_CLK
TS Output
50
28
BCM35230
NON CHB
NON CHB
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
Fiber Optic
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.
D3812
5.6V
ESD_COMMON
C3830
0.22uF
10V
0.22uF
10V
NEC_TXD
HP_ROUT_N
D3814
30V
ESD_COMMON
+3.3V_Normal
C3829
0.22uF
10V
0.22uF
10V
DSUB_HSYNC
R3803
470K
470K
D3808
30V
30V
ESD_COMMON
C3826
0.1uF
16V
R3810
2.7K
2.7K
D3801
5.6V
ESD_COMMON
AMOTECH
BCM_RX
R3819
4.7K
DSUB_VSYNC
C3819
1uF
10V
IC3804
TPA6132A2
TPA6132A2
EAN60724701
3
INR+
2
INL+
4
INR-
1
INL-
5
OUTR
6
G0
7
G1
8
HPVSS
9
CPN
10
PGND
11
CPP
12
HPVDD
13
EN
14
VDD
15
SGND
16
OUTL
C3812
18pF
50V
D3805
30V
C3824
10uF
10V
10uF
10V
C3805
560pF
50V
50V
C3807
47pF
50V
47pF
50V
IC3801
74F08D
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
HP_LOUT
P3802
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
+3.3V_Normal
C3809
47pF
50V
47pF
50V
HP_LOUT
C3818
1uF
10V
1uF
10V
L3805
BG2012B080TF
C3804
0.1uF
0.1uF
16V
JP3809
C3815
0.1uF
BCM_TX
+3.5V_ST
HP_DET
RGB_DDC_SCL
C3813
18pF
18pF
50V
C3828
2.2uF
10V
SPDIF_OUT
R3801
10K
10K
OPT
C3806
560pF
50V
50V
HP_ROUT
C3823
1uF
10V
1uF
10V
D3810
KDS184
A2
C
A1
HP_ROUT_P
HP_ROUT
R3802
10K
10K
OPT
R3818
OPT
C3820
1uF
1uF
10V
RGB_DDC_SDA
R3825
OPT
100K
D3803
30V
30V
OPT
R3808
75
R3809
2.7K
C3825
2.2uF
10V
2.2uF
10V
D3809
5.6V
OPT
OPT
D3811
5.6V
OPT
R3827
0
0
OPT
R3828
1K
1K
PC_L_IN
R3807
75
R3812
22
D3813
30V
ESD_COMMON
R3813
10K
R3805
2.7K
C3817
0.1uF
R3814
10K
10K
C3816
0.1uF
DSUB_B+
C3803
560pF
50V
50V
R3815
1K
DSUB_DET
HP_LOUT_N
C3814
0.1uF
JK3802
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
Q3801
2SC3052
E
B
C
L3803
BLM18PG121SN1D
+5V_Normal
L3804
BG2012B080TF
R3826
4.7K
4.7K
D3802
5.6V
ESD_COMMON
AMOTECH
DSUB_G+
D3804
30V
+3.3V_Normal
+3.3V_Normal
JK3803
KJA-PH-0-0177
3
DETECT
4
L
5
GND
1
R
EDID_WP
R3820
OPT
R3804
470K
470K
C3808
47pF
50V
47pF
50V
SIDE_HP_MUTE
P3801
SPG09-DB-010
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
R3817
4.7K
JP3808
+3.3V_Normal
DSUB_R+
R3811
22
D3807
30V
30V
ESD_COMMON
NEC_RXD
IC3802
AT24C02BN-SH-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
C3827
2.2uF
10V
2.2uF
10V
D3806
30V
30V
ESD_COMMON
PC_R_IN
C3802
560pF
50V
50V
C3821
1uF
1uF
10V
R3806
75
HP_LOUT_P
+5V_Normal
IC3803
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
IR_OUT
R3829
0
IR_OUT
+3.5V_ST
R3831
4.7K
OPT
R3830
4.7K
OPT
R3823
0
0
R3822
0
0
R3821
0
0
R3824
0
0
R3854
22
22
R3855
22
22
L3806
BLM15BD121SN1
L3807
BLM15BD121SN1
L3808
BLM15BD121SN1
R3850 0
OPT
R3851 0
OPT
R3853 0
OPT
R3852 0
OPT
D3808-*1
5.6V
ESD_CERADIODE
D3806-*1
5.6V
ESD_CERADIODE
D3807-*1
5.6V
ESD_CERADIODE
D3812-*1
5.6V
ESD_CERADIODE
D3813-*1
5.6V
ESD_CERADIODE
D3814-*1
5.6V
ESD_CERADIODE
R3856
22
R3857
22
R3858
1K
1K
R3816
2.7K
R3859
100
100
R3860
100
100
R3861
0
0
C3810
22pF
50V
22pF
50V
C3811
22pF
50V
22pF
50V
R3862
0
0
R3863
0
0
JK3801
PEJ027-04
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
1ST : 0TRIY80001A, 2ND : 0TR387500AA
D3804,D3805,D3806
D3807,D3808,D3813
D3814
D3807,D3808,D3813
D3814
RGB PC
Q3801
D3810
RS232C
DUAL COMPONENT
HIGH : SELECT X1, Y1, SELECT MAIN TX/RX
PC AUDIO
Close to the IC
1ST : EAH39491601, 2ND : EAH33945901
SPDIF OUT
RGB/ PC AUDIO/ SPDIF/ EARPHONE/ RS232C
EARPHON JACK
EARPHONE AMP
1ST : 0DD184009AA, 2ND : 0DSIH00028A
LOW : SELECT X0, Y0, SELECT MICOM TX/RX
BCM35230
50
38
LV7 COMM JACK
Closed to JACK
LPF READEY
(For H/P Noise Improvement)
(For H/P Noise Improvement)
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
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