55LM4700 (CHASSIS:LA21B) — LG TV Service Manual (repair manual). Page 31

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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_HDMI_2
DDC_SDA_2
DDC_SCL_1
DDC_SDA_4
D0+_HDMI2
DDC_SDA_1
+5V_Normal
5V_DET_HDMI_2
D0-_HDMI2
5V_DET_HDMI_4
R888
2.7K
5V_HDMI_1
R806
10K
D1-_HDMI4
CEC_REMOTE_S7
5V_HDMI_4
D1-_HDMI2
R804
1.8K
R830
10K
D2+_HDMI2
R855
100
CK+_HDMI2
R889
2.7K
HDMI_2
R807
10K
HDMI_2
D2-_HDMI4
CK-_HDMI2
C802
0.1uF
16V
NON_CI_CAP
DDC_SDA_4
HDMI_CEC
R895
1K
HDMI_2
D2-_HDMI2
D2-_HDMI1
HPD2
C801
0.1uF
16V
NON_CI_CAP_HDMI_2
5V_HDMI_2
CK-_HDMI1
DDC_SDA_1
+5V_Normal
HDMI_CEC
R896
1K
DDC_SCL_4
D1-_HDMI1
CK+_HDMI4
R808
10K
HDMI_SIDE
R862
10K
HDMI_SIDE
R837
1.8K
HDMI_SIDE
DDC_SCL_2
JK801
EAG59023302
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
D0-_HDMI4
HPD4
D2+_HDMI1
D1+_HDMI2
R803
1.8K
HDMI_2
R802
3.3K
+5V_Normal
DDC_SDA_2
HDMI_CEC
HPD1
JK802
EAG59023302
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
D0-_HDMI1
5V_DET_HDMI_1
D0+_HDMI1
D0+_HDMI4
CK-_HDMI4
R884
2.7K
JK803
EAG62611201
HDMI_SIDE
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
DDC_SCL_1
5V_HDMI_4
DDC_SCL_2
R828
10K
HDMI_2
R885
2.7K
HDMI_2
R835
3.3K
HDMI_SIDE
D1+_HDMI1
DDC_SCL_4
C803
0.1uF
16V
NON_CI_CAP_HDMI_SIDE
5V_HDMI_1
D1+_HDMI4
CK+_HDMI1
R897
1K
HDMI_SIDE
D2+_HDMI4
R801
3.3K
HDMI_2
R887
2.7K
HDMI_SIDE
R891
2.7K
HDMI_SIDE
Q802
MMBT3904(NXP)
E
B
C
Q801
MMBT3904(NXP)
HDMI_2
E
B
C
Q803
MMBT3904(NXP)
HDMI_SIDE
E
B
C
D821
MMBD6100
A
2
C
A
1
D822
MMBD6100
HDMI_2
A
2
C
A
1
D824
MMBD6100
HDMI_SIDE
A
2
C
A
1
D811
OPT
D801
OPT
D802
OPT
JK803-*1
51U019S-312HFN-E-R-E-LG
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
R805
0
HDMI1_ARC
HDMI_ARC
2011.10.04
 GP4L_S7LR2
   HDMI
8
HDMI_2
For CEC
SIDE_HDMI
HDMI
HDMI_1
F
i
b
e
r
 
O
p
t
i
c
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.
RGB-PC/SPDIF
2011/09/27
9
GP4L_S7LR2
R1102
470K
PC_AUDIO
DSUB_R+
R1147
1K
RGB_PC
R1107
15K
PC_AUDIO
+3.3V_Normal
C1108
100pF
50V
NON_CI_CAP_PC_AUDIO
R1137
75
RGB_PC
R1133
75
RGB_PC
JK1104
SPG09-DB-010
RGB_PC
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
JK1102
PEJ027-04
PC_AUDIO
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
R1110
10K
PC_AUDIO
R1135
75
RGB_PC
PC_L_IN
+3.3V_Normal
C1129
0.1uF
16V
NON_CI_CAP_RGB_PC
DSUB_G+
C1107
100pF
50V
NON_CI_CAP_PC_AUDIO
C1121
100pF
50V
SPDIF_OPTIC
RGB_DDC_SDA
R1108
15K
PC_AUDIO
JK1103
2F01TC1-CLM97-4F 
SPDIF_OPTIC
3
VIN
2
VCC
1
GND
4
S
H
I
E
L
D
R1111
10K
PC_AUDIO
R1104
10K
OPT
DSUB_HSYNC
R1140
2.2K
RGB_PC
DSUB_VSYNC
DSUB_B+
R1146
10K
RGB_PC
C1110
10uF
16V
OPT
+5V_Normal
C1109
22uF
16V
OPT
R1103
470K
PC_AUDIO
C1131
0.1uF
16V
SPDIF_OPTIC
SPDIF_OUT
PC_R_IN
RGB_DDC_SCL
R1139
2.2K
RGB_PC
C1127
18pF
50V
NON_CI_CAP_RGB_PC
C1128
18pF
50V
NON_CI_CAP_RGB_PC
DSUB_DET
PM_RXD
PM_TXD
R1150
0
R1151
0
C1122
68pF
50V
OPT
C1126
68pF
50V
OPT
R1148
0
OPT
R1149
0
OPT
D1115
MMBD6100
RGB_PC
A2
C
A1
D1113
20V
OPT
ADUC 20S 02 010L 
D1111
20V
OPT
ADUC 20S 02 010L 
D1110
20V
OPT
ADUC 20S 02 010L 
D1112
20V
OPT
ADUC 20S 02 010L 
D1109
20V
OPT
ADUC 20S 02 010L 
D1101
5.6V
OPT
AMOTECH CO., LTD.
D1114
5.6V
OPT
D1117
5.6V
OPT
ADMC 5M 02 200L 
D1116
5.6V
OPT
D1102
5.6V
OPT
AMOTECH CO., LTD.
5.15 Mstar Circuit Application
RGB-PC / SPDIF
SPDIF OPTIC JACK
RGB PC
PC AUDIO
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.
RS232C_PHONE
2011/08/13
10
GP4L_S7LR2
IR_OUT
C1005
0.1uF
COMMERCIAL
+3.5V_ST
PM_TXD
C1003
0.1uF
COMMERCIAL
JK1001
KJA-PH-1-0177
COMMERCIAL
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
C1002
0.1uF
COMMERCIAL
R1001
0
RS-232C_IC_Bypass
R1000
0
RS-232C_IC_Bypass
C1001
0.1uF
COMMERCIAL
P1000
12507WR-04L
1
VCC
2
PM_RXD
3
GND
4
RM_TXD
5
GND
C1004
0.1uF
COMMERCIAL
IC1000
MAX3232CDR
EAN41348201
COMMERCIAL
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
JP1000
PM_RXD
+3.5V_ST
C1000
0.33uF
COMMERCIAL
R1003
100
R1002
100
JP1002
JP1001
JP1003
JP1004
D1001
20V
ADUC 20S 02 010L 
OPT
D1000
ADUC 20S 02 010L 
20V
OPT
RS-232C
COMMERCIAL MODEL OPTION
COMMERCIAL MODEL OPTION
For Comsumer model, 
use 4PIN Wafer.
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.
LVDS_LARGE
2011/11/14
11
GP4L_S7LR2
RXA4+
C701
10uF
16V
OPT
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
C709
1000pF
50V
OPT
R711
10K
OPT
RXA0-
R709
10K
AUO_GND
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
R713
0
OPT
RXA2-
RXACK+
C702
1000pF
50V
OPT
C700
10uF
16V
OPT
RXA1-
P703
FI-RE51S-HF-J-R1500 
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
R712
3.3K
OPT
+3.3V_Normal
C703
0.1uF
16V
HD
RXA1+
RXB1+
RXB0-
RXACK-
RXA2+
P705
FF10001-30
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-
C710
0.1uF
16V
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
R705
3.3K
OPT
R710
10K
OPT
+3.3V_Normal
R706
0
PSU_T120_LGD
PWM_DIM
OPC&SCANNING_CTRL
R703
3.3K
OPT
+3.3V_Normal
R704
10K
OPT
L702
70-ohm
FHD
L701
BLM18SG700TN1D
70-ohm
HD
AUO_GND/LGD_NC
LVDS_SEL
[30Pin LVDS Connector]
 (For HD 60Hz_Normal)
LVDS for large inch
[51Pin LVDS Connector]
 (For FHD 60Hz)
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-
Pol-change
Shift
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+
Change in S7LR
RXBCK-
RXA4+
Pol-change
RXA0-
RXB3-
RXB4-
RXACK+
RXB0+
RXB4+
RXBCK-
RXACK+
RXB0+
RXA3-
RXA3+
Change in S7LR
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

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