LG 42LB550T Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LVDS_NON_EU
2013/05/22
11
L14_S7LR(M1A)
RXB0-
RXA0+
C1101
0.1uF
16V
MO_HD
C1100
0.1uF
16V
MO_FHD
RXBCK-
RXA1-
RXB4-
+3.3V_Normal
RXB1+
RXBCK+
PANEL_VCC
RXB3+
RXA3-
RXB4+
RXA4-
RXA4+
RXA2+
RXB2-
RXA1+
RXA2-
RXB1-
R1109
3.3K
OPT
RXA3+
RXA0-
PANEL_VCC
RXACK-
RXB2+
R1110
10K
OPT
RXB3-
RXB0+
P1100
FI-RE51S-HF-J-R1500
MO_FHD
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
.
9
.
10
.
11
.
12
RXA0-
13
RXA0+
14
RXA1-
15
RXA1+
16
RXA2-
17
RXA2+
18
.
19
RXACK-
20
RXACK+
21
.
22
RXA3-
23
RXA3+
24
RXA4-
25
RXA4+
26
.
27
.
28
RXB0-
29
RXB0+
30
RXB1-
31
RXB1+
32
RXB2-
33
RXB2+
34
.
35
RXBCK-
36
RXBCK-
37
.
38
RXB3-
39
RXB3+
40
RXB4-
41
RXB4+
42
.
43
.
44
.
45
.
46
.
47
.
48
.
49
.
50
.
51
.
52
.
RXACK+
R1100 0
MO_FHD
R1101 0
MO_FHD
R1102 0
MO_FHD
R1104
10K
OPT
R1103
3.3K
OPT
+3.3V_Normal
L1101
UBW2012-121F
120OHM
MO_HD
L1100
UBW2012-121F
120OHM
MO_FHD
RXA3+
RXA3-
RXACK+
RXACK-
RXA2-
RXA2+
RXA1-
RXA1+
RXA0-
RXA0+
VCOM_SCL
VCOM_SDA
VCOM_SCL
VCOM_SDA
R1115
2K
VCOM_I2C_PULL_UP
VCOM_SCL
VCOM_SDA
R1114
2K
VCOM_I2C_PULL_UP
R1105
0
VCOM_I2C
URSA/VCOM_SDA
URSA/VCOM_SCL
R1106
0
VCOM_I2C
+3.3V_Normal
URSA/VCOM_SDA
URSA/VCOM_SCL
P1101
10031HR-30
MO_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
RXB1-
RXB0-
RXA4+
RXA1-
Pol-change
RXB4+
RXACK+
RXBCK-
RXA0+
RXA2+
LVDS (NON EU)
RXA2+
RXBCK-
RXB4-
RXA3+
RXA1+
RXB2+
RXB3-
RXA3-
RXBCK-
RXACK-
RXA2+
RXA1-
RXB1-
RXB3-
RXA3+
RXA2-
RXA0+
RXA4+
Shift
RXBCK+
RXB2-
RXA4+
[51Pin LVDS Connector]
(For FHD 60Hz)
RXACK+
RXA3-
RXACK-
RXB3+
RXA3+
RXA1-
RXB0-
RXA0-
RXACK+
RXB3+
RXA4-
RXB3+
RXA4+
RXA2-
RXA2+
RXA1+
RXB2-
Pol-change
RXB4+
RXB1-
RXA4-
RXACK+
RXB3-
RXB0+
RXB3+
RXBCK+
RXB4-
RXA0+
RXA2+
RXB0+
RXB1+
RXA3-
RXA2-
RXBCK+
RXB4-
RXA0+
RXA4+
RXA2+
RXB3-
RXA0-
RXB0-
RXA4-
RXACK-
RXB0-
RXA4+
RXB2+
RXA1-
RXB2+
RXACK-
RXA3-
RXA1+
RXA3-
RXA1+
RXB3+
RXB3-
RXA3-
RXB1-
RXB4+
FOR FHD REVERSE(10bit)
RXB0+
RXB3-
RXA3+
RXA0+
RXA2- RXACK-
RXB1-
RXA3+
RXB2- RXBCK-
RXBCK+
RXA1+
RXA0-
RXA3+
RXA0-
RXB2+
RXB0-
RXA0-
RXB2-
RXACK-
MIRROR
RXB4-
RXA0-
RXB2+
RXA4+
RXB4-
RXA1+
RXB3+
RXB0+
RXB1+
RXA1-
RXA0-
RXA4-
RXB2-
Change in S7LR
RXA4-
RXB2+
MIRROR
RXB1-
RXA3+
RXA1-
RXACK+
RXB3+
RXB0+
RXB4-
RXACK+
RXB1+
RXACK-
RXA4-
RXA1-
RXA2-
RXA0+
RXB0-
RXB1+
RXB4+
RXB2+
RXBCK-
RXB0-
FOR FHD REVERSE(8bit)
RXBCK-
RXBCK+
RXB4+
RXB0+
RXB2-
RXA1+
RXBCK-
RXA2-
RXB1+
RXB1+
RXB1-
RXA4-
RXB4+
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
Change in S7LR
RXB1+
RXB3-
RXA2+
RXA3-
RXA2-
RXB2-
LVDS_SEL
RXBCK+
RXB4-
RXB0+
RXA0+
RXB4+
RXBCK+
RXACK+
EU pin assign is different from NON EU.
Because of position of HD wafer.
LVDS_SEL
V-COM I2C
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LB550T Specifications

General

Brand	LG
Model	42LB550T
Category	LED TV
Language	English