LG 42LD450 Service Manual page 39

[51Pin LVDS Connector]
(For FHD 60Hz)
PANEL_VCC
L7900
120-ohm
must be located Bottom side
FHD
P7900
TF05-51S
FHD
C7900 C7901 C7902
10uF 1000pF 0.1uF
16V 50V 16V
1 OPT
2
3
4
5
6
7
8
9 R7900 0
EXCEPT_LGD_22
10 R7901 0
EXCEPT_LGD_22
11
RXA4-
12
RXA4+
13
RXA3-
14
RXA3+
15
16
RXACK-
17
RXACK+
18
19
RXA2-
20
RXA2+
21
RXA1-
22
RXA1+
23
RXA0-
24
RXA0+
25
26
R7910
10K
27
RXB4- BIT_SEL_LOW
28
RXB4+
29
RXB3-
30
RXB3+
31
32
RXBCK-
33
RXBCK+
34
35
RXB2-
36
RXB2+
37
RXB1-
38
RXB1+
39
RXB0-
40
RXB0+
41
42
43
44
45
46
47
48
49
50
51
52
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.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
[30Pin LVDS Connector]
(For HD 60Hz_Small)
P7903
FF10001-30
30PIN_FHD
1
2
C7912
3 10uF
16V
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
+3.3V_Normal
R7911
3.3K
LVDS_SEL_HIGH
R7912
10K
LVDS_SEL_LOW
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
PANEL_VCC
P7901
FF10001-30
HD_60Hz_NORMAL
30PIN_FHD
L7904
120-ohm
1
2
3
30PIN_FHD
C7911 C7909
4
1000pF 0.1uF
50V 16V
OPT 5
30PIN_FHD
6
7
8
9
RXA3-
10
RXA3+
11
RXACK-
12
RXACK+
13
RXA2-
14
RXA2+
15
16
RXA1-
17
RXA1+
18
19
RXA0-
20
RXA0+
21
RXB3-
22
RXB3+
23
RXBCK-
24
RXBCK+
25
26
RXB2-
27
RXB2+
28
RXB1-
29
RXB1+
30
RXB0-
RXB0+ 31
SMALL_NC1
SMALL_NC2
SMALL_OPC_OUT
R7915 0
HD_60Hz_NORMAL
R7916 0
PWM_DIM
OPT
R7917 0
OPC_OUT
OPT
RXA3-
RXA3+
RXACK-
RXACK+
RXA2-
RXA2+
RXA1-
RXA1+
+3.3V_Normal
RXA0-
R7919
3.3K
RXA0+
LVDS_SEL_HIGH
R7920 PANEL_VCC
R7913 0
OPC_EN
10K
OPT
LVDS_SEL_LOW
R7914 0
HD_60Hz_NORMAL
L7901
120-ohm
HD_60Hz_NORMAL
HD_60Hz_NORMAL
C7905 C7904 C7903
10uF 1000pF 0.1uF
16V 50V 16V
OPT
HD_60Hz_NORMAL
SMALL_OPC_EN
SMALL_NC3
SMALL_NC4
GP2_Saturn7M
[30Pin LVDS Connector]
(For HD 60Hz_Small)
PANEL_VCC
P7902
FF10001-30
L7902
HD_60Hz_SMALL
120-ohm
HD_60Hz_SMALL
1
HD_60Hz_SMALL
2
C7908 C7907 C7906
3 10uF 1000pF 0.1uF
16V 50V 16V
OPT
4
HD_60Hz_SMALL
5
6
7
8
9
SMALL_NC1
10
SMALL_NC2
11
SMALL_OPC_OUT
12
13
RXA3-
14
RXA3+
15
16
RXACK-
17
RXACK+
18
19
RXA2-
20
RXA2+
21
22
RXA1-
23
RXA1+
24
25
RXA0-
26
RXA0+
27
28
SMALL_OPC_EN
29
SMALL_NC3
30
SMALL_NC4
31
Ver. 1.0
LVDS 33
LGE Internal Use Only