LG 37LT560C / 37LT560E (CHASSIS:LA2AC) 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.
5V_DET_HDMI_4
D
80
4
O
PT
DDC_SDA_1
10K
R862
D1+_HDMI2
HDMI_CEC
D0-_HDMI1
GND
20
33
20
95
G
A
E
JK801
2_I
M
D
H
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
JP805
CK-_HDMI4
68K
R854
OPT
D0+_HDMI2
0
R815
D2-_HDMI2
HPD4
10K
R828
CK+_HDMI1
D0+_HDMI4
1K
R896
0
OPT
R805
1.8K
R803
HPD2
O
PT
D
81
1
D
80
1
O
PT
5V_DET_HDMI_2
D
80
2
O
PT
HDMI_CEC
1.8K
R837
DDC_SCL_4
HDMI_CEC
DDC_SDA_2
E
A
G
62
61
12
01
H
D
M
I_
SI
D
E
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
JP806
20
33
20
95
G
A
E
JK802
1_I
M
D
H
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
0.1uF
16V
C805
OPT
5V_DET_HDMI_1
GND
10K
R830
D0-_HDMI2
CK-_HDMI1
0.1uF
16V
C802
D1-_HDMI1
DDC_SDA_4
A
V
R
L
16
1A
1R
1N
T
OPT
D
80
3
0
R841
1K
R897
68K
OPT
R857
10K
R807
1K
R895
D1+_HDMI4
3
.3
K
R
83
5
DDC_SCL_2
0.1uF
16V
C803
5V_HDMI_4
HDMI_ARC
D2-_HDMI4
HDMI_CEC
D2+_HDMI2
5V_HDMI_2
D0-_HDMI4
+3.5V_ST
10K
R856
O
PT
D1-_HDMI4
D2+_HDMI1
D2-_HDMI1
3
.3
K
R
80
2
CEC_REMOTE_S7
3
.3
K
R
80
1
HPD1
0.1uF
16V
C801
5V_HDMI_1
D1+_HDMI1
0
R824
100
R855
ENKMC2838-T112
D821
A
1
C
A
2
ENKMC2838-T112
D822
A
1
C
A
2
2.7K
R884
2.7K
R889
2.7K
R888
5V_HDMI_4
+5V_Normal
DDC_SDA_4
0.1uF
C809
DDC_SCL_1
DDC_SDA_2
5V_HDMI_2
DDC_SDA_1
+5V_Normal
0.1uF
C806
0.1uF
C807
ENKMC2838-T112
D824
A
1
C
A
2
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
SI1012CR-T1-GE3
Q806
OPT
S
D
G
20110324
GP3_S7LR
HDMI
8
HDMI_1
HDMI_2
For CEC
SIDE_HDMI
HDMI EEPROM
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.
DSUB_DET
5.6V
OPT
D1114
RGB_DDC_SDA
2.2K
R1140
30V
D1110
30V
D1113
18pF
50V
C1128
DSUB_HSYNC
2.2K
R1139
+3.3V_Normal
DSUB_B+
10K
R1146
75
R1133
30V
D1112
1K
R1147
22
R1143
+5V_Normal
75
R1137
RGB_DDC_SCL
68pF
50V
OPT
C1126
18pF
50V
C1127
75
R1135
22
R1141
5.6V
OPT
D1116
30V
D1109
S
P
G
09
-D
B
-0
10
JK
1
1
0
4
1
R
ED
2
G
R
EE
N
3
B
LU
E
4
G
N
D
_1
5
D
D
C
_G
N
D
6
R
ED
_G
N
D
7
G
R
EE
N
_G
N
D
8
B
LU
E_
G
N
D
9
N
C
1
0
SY
N
C
_G
N
D
1
1
G
N
D
_2
1
2
D
D
C
_D
A
TA
1
3
H
_S
Y
N
C
1
4
V
_S
Y
N
C
1
5
D
D
C
_C
LO
C
K
1
6
SH
IL
E
D
DSUB_G+
5.6V
D1117
OPT
ENKMC2838-T112
D1115
A1
C
A2
DSUB_R+
DSUB_VSYNC
68pF
50V
OPT
C1122
30V
D1111
0.1uF
16V
C1129
20110324
GP3_S7LR
RGB/SPDIF/HP
9
RGB PC
RGB
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.
PM_RXD
PM_TXD
0.1uF
C1105
22UH
PSU_POWER_OUT
L50
0.33uF
C1101
JP1122
1/16W
10K
1%
PSU_POWER_OUT
R57
150pF
50V
PSU_POWER_OUT
C50
0.1uF
C1104
JP1121
22uF
25V
PSU_POWER_OUT
C52
0.1uF
C1106
IR_OUT
100K
PSU_POWER_OUT
R52
CDS3C30GTH
30V
D1108
OPT
TH
ER
M
A
L
MP4460DQ-LF-Z
PSU_POWER_OUT
IC50
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
1
1
EP_GND
1/
16
W
20
K
1%
PS
U
_P
O
W
ER
_O
U
T
R
55
0.1uF
50V
PSU_POWER_OUT
C53
1/16W
270K
1%
PSU_POWER_OUT
R56
0.1uF
C1102
18
K
T
U
O_
RE
W
OP
_
US
P
R
50
0.1uF
50V
PSU_POWER_OUT
C51
+24V
+3.5V_ST
EAN41348201
MAX3232CDR
IC1101
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
2
2
PS
U
_P
O
W
ER
_O
U
T
R
54
0.1uF
50V
PSU_POWER_OUT
C55
0.1uF
C1103
3.3uF
50V
PSU_POWER_OUT
C54
CDS3C30GTH
30V
D1107
OPT
100
R1124
EXT_12V
MBRA340T3G
PSU_POWER_OUT
D50
+12V
SPG09-DB-009
JK1101
1
2
3
4
5
6
7
8
9
10
100
R1123
1K
R1100
BAP70-02
50V
D1100
+3.5V_ST
1/
10
W
15
0K
T
U
O_
RE
W
OP
_
US
P
R
51
1/8W
200K
1%PSU_POWER_OUT
R53
+12V
EXT_12V
22uF
16V
POWER_OUT
C64
22uF
16V POWER_OUT
C63
CB3216PA501E
POWER_OUT
L54
EXT_PWR_DET
0.1uF
16V
OPT
C56
1uF
16V
POWER_OUT
C62
1K
POWER_OUT
R63
43
POWER_OUT
R65
0.1uF
50V
POWER_OUT
C65
470pF
50V
POWER_OUT
C61
1/16W
1.2K
POWER_OUT
R67
100
POWER_OUT
R64
100K
POWER_OUT
R66
MP5000DQ
POWER_OUT
IC52
3
ENABLE/FAULT
2
DV/DT
4
I-LIMIT
1
GND
5
NC
6
SOURCE_1
7
SOURCE_2
8
SOURCE_3
9
SOURCE_4
10
SOURCE_5
11
VCC
+12V/+15V
CB3216PA501E
LIPS_POWER_OUT
L51
POWER_OUT
D51
A
1
C
A
2
EXT12V_CTRL
1/
16
W
2
.4
K
5%
PO
W
ER
_O
U
T
R
68
NCP803SN293
IC51-*1
POWER_OUT_ON_SEMI
1
GND
3
VCC
2 RESET
APX803D29
POWER_OUT_DIODES
IC51
1
GND
3
VCC
2 RESET
20110324
GP3_S7LR
RS232C_9PIN
10
c l o s e t o p i n
( F o r E x t e r n a l p o w e r )
DC DC CONVERTER +12V_ONLY PSU
RS232C
S w i t c h i n g n o i s e r e d u c i n g [ M P S r e c o m m e n d ]
$0.21
12V EXT PowerOut
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.
RXB3-
RXB4+
RXA3+
3.3K
OPT
R705
1000pF
50V
OPT
C702
1000pF
50V
C709
OPT
RXB2+
+3.3V_Normal
0.1uF
16V
HD
C703
RXA2-
PANEL_VCC
10uF
16V
OPT
C700
3.3K
OPC_EN
R703
10K
OPT
R710
RXB4-
RXB0-
PANEL_VCC
RXA0+
RXB3+
RXA1-
RXB1-
FF10001-30
P705
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
PWM_DIM
RXA1+
FI-RE51S-HF-J-R1500
P703
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
RXA3-
RXBCK-
RXB2-
RXA1+
0.1uF
16V
C710
FHD
RXA0-
3.3K
OPT
R712
RXACK-
+3.3V_Normal
10K
OPT
R704
10K
BIT_SEL_LOW
R709
0
OPT
R713
RXA4-
RXA3+
RXA2+
RXA3-
RXA2+
RXACK-
RXB1+
RXACK+
RXA0+
10K
OPT
R711
RXA4+
+3.3V_Normal
10uF
16V
OPT
C701
RXA2-
0
OPC_EN
R706
RXA0-
RXA1-
RXACK+
RXB0+
RXBCK+
70-ohm
FHD
L702
70-ohm
HD
L701
20110324
GP3_S7LR
LVDS_LARGE
11
RXA1-
RXA0-
RXBCK-
RXA2-
RXA2+
RXA2+
RXA2+
Pol-change
RXBCK+
RXB4-
LVDS_SEL
RXB1-
RXA3-
RXB1-
RXB3+
RXACK+
RXBCK+
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
RXB3+
RXA0-
LVDS for large inch
RXA3+
RXA1+
RXB0-
RXA2+
RXACK-
RXBCK+
RXACK+
RXA0+
RXB2+
RXB3-
RXBCK-
RXACK+
RXA2+
RXB4-
RXB2-
RXBCK-
RXA3+
RXB2-
RXA4-
RXB2+
RXB1-
RXB2-
S h i f t
Change in S7LR
RXA1-
Pol-change
RXB4-
RXB4+
RXBCK-
RXB4-
RXB0-
RXA3-
RXB3-
[51Pin LVDS Connector]
(For FHD 60Hz)
RXB1-
RXA4+
RXB4+
LVDS_SEL
RXA4-
RXA2+
RXB0+
RXB2-
RXA4-
RXB3-
RXA1+
RXACK+
RXB0+
RXB2+
RXACK+
RXA1+
RXB3-
RXA4-
RXB3+
RXBCK+
RXB0-
RXB0+
RXB0-
RXB2-
RXA3+
RXA2-
RXA1-
RXA4-
OPC_SEL
RXA1-
RXB2+
RXA3-
RXB2+
RXB2-
RXB1+
RXB0+
Change in S7LR
RXB4+
RXBCK+
RXA3-
RXB0+
RXB1+
RXB3+
RXBCK+
RXA3-
RXACK-
RXA0-
RXB0-
RXA4+
RXA0-
RXA0+
RXB4-
RXACK-
RXB3-
RXB0-
RXB4+
RXA3-
RXA2+
RXA0-
RXA0+
FOR FHD REVERSE(8bit)
MIRROR
RXB1+
RXB4-
RXB2+
RXA2-
RXB3+
RXACK-
RXB3+
RXA3-
RXA0+
RXA1-
RXA2-
RXB1-
RXA1+
RXB3-
RXA4+
RXB0+
RXA4-
RXB3-
RXB3+
RXB2+
RXA4+
RXB0-
RXB1-
RXA1-
RXB1+
RXA2-
RXA2-
RXA4+
RXB1+
RXACK+
RXB4-
RXA4-
RXACK-
BIT_SEL
FOR FHD REVERSE(10bit)
RXB1-
RXA4+
MIRROR
RXBCK+
RXA4+
RXA0+
RXA1+
RXB4+
RXA0+
RXA0-
RXA3+
RXA3+
RXACK+
RXACK-
RXB4+
RXA0+
RXBCK-
RXB0+
RXA1+
RXA2-
RXB1+
RXA0-
RXB4+
RXB1+
RXA3+
RXA3+
RXB2-
RXA1+
RXBCK-
RXACK-
RXA1-
RXBCK-
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