LG 55LH80YD, Service Manual

Page: 48 / 66

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.
HDMI_TX_VIDEO_G[5]
HDMI_TX_VIDEO_R[1]
HDMI_TX_VIDEO_G[4]
HDMI_TX_VIDEO_B[4]
HDMI_TX_VIDEO_R[8]
HDMI_TX_VIDEO_B[9]
HDMI_TX_VIDEO_R[3]
HDMI_TX_VIDEO_B[7]
HDMI_TX_VIDEO_G[7]
HDMI_TX_VIDEO_B[5]
HDMI_TX_VIDEO_G[0]
HDMI_TX_VIDEO_R[6]
HDMI_TX_VIDEO_R[0]
HDMI_TX_VIDEO_G[6]
HDMI_TX_VIDEO_R[4]
HDMI_TX_VIDEO_B[0]
HDMI_TX_VIDEO_R[7]
HDMI_TX_VIDEO_R[2]
HDMI_TX_VIDEO_G[3]
HDMI_TX_VIDEO_R[5]
HDMI_TX_VIDEO_R[9]
HDMI_TX_VIDEO_B[2]
HDMI_TX_VIDEO_G[8]
HDMI_TX_VIDEO_B[8] HDMI_TX_VIDEO_B[6] HDMI_TX_VIDEO_B[1] HDMI_TX_VIDEO_B[3]
HDMI_TX_VIDEO_G[9]
HDMI_TX_VIDEO_G[1]
HDMI_TX_VIDEO_G[2]
R828 0
C825
0.1uF
16V
VR803 AVRL161A1R1NT
R834 0
C820
0.1uF
16V
D5.0V_1
HDMI_TX_TMDS_TXB0P
009:F3
C813
0.1uF
16V
HDMI_TX_DDC_SCL
009:E4
TP817
R812 47K
R837 47K
R808 22
TP802
HDMI_TX_TMDS_TXA2N
009:E4
HDMI_TX_TMDS_TXBCP
009:E5
C806
0.1uF
16V
C818
0.1uF
16V
TP804
SDA_WIHD
007:G5;009:F4;001:G8
D3.3V_2
R831 0 OPT
R801
4.7K
HDMI_TX_VIDEO_B[0-9]
008:G5
R823 0
HDMI_CEC_TX
003:F3;009:F4
C808
0.1uF
16V
AUDIO_MASTER_CLK
001:E4
TP816
TP810
C811
0.1uF
16V
HDMI_TX_TMDS_TXA0P
009:F2
SDA_WIHD
007:G5;009:H5;001:G8
TP807
C816
0.1uF
16V
HDMI_TX_DDC_SEL
001:F5
SCL_HDMI
001:G8
C828
0.1uF
16V
R826 0
R825 2.7K
HDMI_TX_HPD1
009:E3;009:F2
HDMI_TX_TMDS_TXA0P
009:E4
HDMI_TX_TMDS_TXB1N
009:F3
HDMI_TX_TMDS_TXB2P
009:F3
C831
0.1uF
16V
HDMI_TX_TMDS_TXA1N
009:F1
R833 0 OPT
C826
0.1uF
16V
WIHD_PWR_MNT
003:C2
HDMI_TX_TMDS_TXB0P
009:E5
HDMI_TX_HPD2
009:F4
HDMI_TX_TMDS_TXACP
009:F2
R805
4.7K
R816 1.8K
C821
0.1uF
16V
MS_LRCH
001:E4
D1.8V_1
HDMI_TX_SEL
009:H6;001:F5
C805
0.1uF
16V
R806
18
C803
0.1uF
16V C807
0.1uF
16V
R814 1K OPT
HDMI_TX_SCL
009:H5
R818 0
OPT
D5.0V_1
C801
0.1uF
16V
TP813
C802
10uF
6.3V
HDMI_TX_TMDS_TXA0N
009:F2
R800 0
OPT
C812
10uF
6.3V
R832 0 OPT
HDMI_TX_DDC_SCL
009:F5
C815
0.1uF
16V
HDMI_TX_TMDS_TXB2N
009:E5
HDMI_TX_HPD2
009:F5
R803
4.7K
HDMI_TX_TMDS_TXA2P
009:F1
TP809
TP818
SPDIF_OUT
005:G6;001:E3
R829 0
R839
15K
HDMI_TX_TMDS_TXBCN
009:F4
HDMI_TX_VIDEO_G[0-9]
008:G5
HDMI_TX_HPD
009:F5
C800
0.1uF
16V
C810
0.1uF
16V
HDMI_TX_INT
001:F5
C829
0.1uF
16V
HDMI_TX_HPD
009:E3
C822
0.1uF
16V
HDMI_TX_TMDS_TXA1P
009:E4
HDMI_TX_DDC_SDA
009:H5
TP801
C809
0.1uF
16V
R802
4.7K
OPT
HDMI_TX_TMDS_TXB1P
009:E5
R835 0
D3.3V_3
SCL_WIHD
007:G4;009:F5;001:G8
C827
10uF
6.3V
VR802 AVRL161A1R1NT
HDMI_TX_TMDS_TXA0N
009:E4
R836 2.7K
HDMI_TX_TMDS_TXA1N
009:E4
HDMI_TX_TMDS_TXB1P
009:F3
R840
15K
R809 22
C823
0.1uF
16V
HDMI_TX_TMDS_TXACN
009:F2
TP812
HDMI_TX_TMDS_TXB2P
009:E5
HDMI_TX_TMDS_TXBCP
009:F4
HDMI_TX_TMDS_TXACN
009:E5
TP815
D3.3V_2
HDMI_CEC_TX
003:F3;009:F2
R817 1.5K
C819
0.1uF
16V
P5.0V_ST
HDMI_TX_TMDS_TXA1P
009:F1
HDMI_TX_SDA
009:H5
C804
0.1uF
16V
R807
680
TP806
HDMI_TX_VIDEO_HSYNC
008:G3
MS_LRCK
001:E4
HDMI_TX_TMDS_TXACP
009:E5
D3.3V_2
HDMI_TX_SDA
009:F2
R819
4.7K
R830 0 OPT
R813 47K
D1.8V_1
C824
0.1uF
16V
VR800 AVRL161A1R1NT
TP805
HDMI_TX_VIDEO_DE
008:G3
C830
47uF
16V
HDMI_TX_SEL
009:C6;001:F5
D5.0V_1
R815 1K
HDMI_TX_VIDEO_CLK
008:G6
HDMI_TX_HPD1
009:F5;009:F2
R820 0 OPT
HDMI_TX_TMDS_TXA2N
009:F1
R822 0
TP811
C817
0.1uF
16V
VR801 AVRL161A1R1NT
D1.8V_1
HDMI_TX_TMDS_TXBCN
009:E5
IC802
MC14053BDR2G
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
C833
0.1uF
16V
HDMI_TX_TMDS_TXB0N
009:E5
HDMI_TX_HPD1
009:E3;009:F5
HDMI_TX_SCL
009:F2
MS_SCK
001:E4
TP808
TP803
R821 0
SDA_HDMI
001:G8
HDMI_TX_VIDEO_VSYNC
008:G3
R838 47K
D3.3V_2 HDMI_TX_TMDS_TXA2P
009:E4
R824 0
C814
10uF
6.3V
HDMI_TX_TMDS_TXB2N
009:F3
D5.0V_1
D1.8V_1
SCL_WIHD
007:G4;009:F4;001:G8
HDMI_TX_DDC_SDA
009:E4
TP814
R827 2.7K
C832
0.1uF
16V
HDMI_TX_TMDS_TXB1N
009:E5
HDMI_TX_VIDEO_R[0-9]
008:G5
HDMI_TX_TMDS_TXB0N
009:F4
TP800 HDMI_TX_RESETb
008:C3;001:F5
R804
4.7K
OPT
IC800
SIL9134CTU
EAN39308101
1
DE
2
HSYBC
3
VSYNC
4
SPDIF
5
MCLK
6
SD3
7
SD2
8
SD1
9
SD0
10
WS
11
SCK
12
CVCC18_1
13
GND_1
14
IOVCC33_1
15
DCLK
16
DR0
17
DL0
18
DR1
19
DL1
20
DR2
21
DL2
22
DR3
23
DL3
24
INT
25
RESET#
26
AGND_1
27
EXT_SWG
28
PVCC1
29
AGND_2
30
TXC-
31
TXC+
32
AVCC18_1
33
TX0-
34
TX0+
35
AGND_3
36
TX1-
37
TX1+
38
AVCC18_2
39
TX2-
40
TX2+
41
AGND_4
42
PVCC2
43
AGND_5
44
AVCC33
45
DDCPWR5V
46
DSCL
47
DSDA
48
CSCL
49
CSDA
50
CI2CA
51
HPD
52
TMODE
53
IOVCC33_2
54
GND_2
55
CVCC18_2
56
D35
57
D34
58
D33
59
D32
60
D31
61
D30
62
D29
63
D28
64
CVCC18_3
65
GND_3
66
IOVCC33_3
67
D27
68
D26
69
D25
70
D24
71
D23
72
D22
73
D21
74
D20
75
D19
76
CVCC18_4
77
D18
78
D17
79
D16
80
D15
81
D14
82
D13
83
D12
84
D11
85
D10
86
D9
87
GND_4
88
IDCK
89
IOVCC33_4
90
D8
91
D7
92
D6
93
D5
94
D4
95
D3
96
D2
97
D1
98
D0
99
CVCC18_5
100
GND_5
IC1201
PI3HDMI1210-ABEX
26
1B2
27
1B1
28
0B2
29
0B1
30
GND_5
31
VDD33_4
32
D3-B
33
D3+B
34
D2-B
35
D2+B
36
D1-B
37
D1+B
38
D0-B
39
D0+B
40
VDD33_5
41
D3-A
42
D3+A
43
D2-A
44
D2+A
45
D1-A
46
D1+A
47
D0-A
48
D0+A
17
GND_2
3
DO+
6
D1-
16
CP_3
15
GND_1
14
VDD33_3
13
CP_2
12
D3-
11
D3+
10
D2-
9
D2+
8
SEL
7
VDD33_2
4
D0-
5
D1+
25
GND_4
24
CP_4
23
EN
2
CP_1
22
VDD50
21
IN
1
VDD33_1
20
A1
19
GND_3
18
A0
L800 CIC21J601
L801 CIC21J601
L802 CIC21J601
L810 CIC21J601
L806
CIC21J601
L804
CIC21J601
L805
CIC21J601
L807 CIC21J601
L808 CIC21J601
L809
CIC21J601
L803
CIC21J601
D801
ENKMC2838-T112
A1
C
A2
J800
YKF45-7059V
14
NC
13
CE_REMOTE
5
D1_GND
20
GND
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
+5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
P800
YKF45-7058V
14
NC
13
CE_REMOTE
5
D1_GND
20
20
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
+5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
E C B G D H F A
1
2
3
4
5
6
JUNO-BOX 090209
HDMI TX 9 10
TO
HDMI MONITOR OUT
I2C Switching
TO
WIRELESS TX BOARD
I2C ADDRESS Select
HIGH - 0x76 / 0x7E
LOW - 0x72 / 0x7A
HDMI TX
EAX60902801(1)_AUS_JUNO_AVBOX_Main
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only