LG 55LH95QD, Service Manual

Page: 35 / 76

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
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
017:F3
C813
0.1uF
16V
HDMI_TX_DDC_SCL
017:E4
TP817
R812 47K
R837 47K
R808 22
TP802
HDMI_TX_TMDS_TXA2N
017:E4
HDMI_TX_TMDS_TXBCP
017:E5
C806
0.1uF
16V
C818
0.1uF
16V
TP804
SDA_WIHD
014:G5;017:F4;009:G8
D3.3V_2
R831 0 OPT
R801
4.7K
HDMI_TX_VIDEO_B[0-9]
016:G5
R823 0
HDMI_CEC_TX
012:F3;017:F4
C808
0.1uF
16V
AUDIO_MASTER_CLK
009:E4
TP816
TP810
C811
0.1uF
16V
HDMI_TX_TMDS_TXA0P
017:F2
SDA_WIHD
014:G5;017:H5;009:G8
TP807
C816
0.1uF
16V
HDMI_TX_DDC_SEL
009:F5
SCL_HDMI
009:G8
C828
0.1uF
16V
R826 0
R825 2.7K
HDMI_TX_HPD1
017:E3;017:F2
HDMI_TX_TMDS_TXA0P
017:E4
HDMI_TX_TMDS_TXB1N
017:F3
HDMI_TX_TMDS_TXB2P
017:F3
C831
0.1uF
16V
HDMI_TX_TMDS_TXA1N
017:F1
R833 0 OPT
C826
0.1uF
16V
WIHD_PWR_MNT
012:C2
HDMI_TX_TMDS_TXB0P
017:E5
HDMI_TX_HPD2
017:F4
HDMI_TX_TMDS_TXACP
017:F2
R805
4.7K
R816 1.8K
C821
0.1uF
16V
MS_LRCH
009:E4
D1.8V_1
HDMI_TX_SEL
017:H6;009:F5
C805
0.1uF
16V
R806
18
C803
0.1uF
16V C807
0.1uF
16V
R814 1K OPT
HDMI_TX_SCL
017:H5
R818 0
OPT
D5.0V_1
C801
0.1uF
16V
TP813
C802
10uF
6.3V
HDMI_TX_TMDS_TXA0N
017:F2
R800 0
OPT
C812
10uF
6.3V
R832 0 OPT
HDMI_TX_DDC_SCL
017:F5
C815
0.1uF
16V
HDMI_TX_TMDS_TXB2N
017:E5
HDMI_TX_HPD2
017:F5
R803
4.7K
HDMI_TX_TMDS_TXA2P
017:F1
TP809
TP818
SPDIF_OUT
001:F5;009:E3
R829 0
R839
15K
HDMI_TX_TMDS_TXBCN
017:F4
HDMI_TX_VIDEO_G[0-9]
016:G5
HDMI_TX_HPD
017:F5
C800
0.1uF
16V
C810
0.1uF
16V
HDMI_TX_INT
009:F5
C829
0.1uF
16V
HDMI_TX_HPD
017:E3
C822
0.1uF
16V
HDMI_TX_TMDS_TXA1P
017:E4
HDMI_TX_DDC_SDA
017:H5
TP801
C809
0.1uF
16V
R802
4.7K
OPT
HDMI_TX_TMDS_TXB1P
017:E5
R835 0
D3.3V_3
SCL_WIHD
014:G4;017:F5;009:G8
C827
10uF
6.3V
VR802 AVRL161A1R1NT
HDMI_TX_TMDS_TXA0N
017:E4
R836 2.7K
HDMI_TX_TMDS_TXA1N
017:E4
HDMI_TX_TMDS_TXB1P
017:F3
R840
15K
R809 22
C823
0.1uF
16V
HDMI_TX_TMDS_TXACN
017:F2
TP812
HDMI_TX_TMDS_TXB2P
017:E5
HDMI_TX_TMDS_TXBCP
017:F4
HDMI_TX_TMDS_TXACN
017:E5
TP815
D3.3V_2
HDMI_CEC_TX
012:F3;017:F2
R817 1.5K
C819
0.1uF
16V
P5.0V_ST
HDMI_TX_TMDS_TXA1P
017:F1
HDMI_TX_SDA
017:H5
C804
0.1uF
16V
R807
680
TP806
HDMI_TX_VIDEO_HSYNC
016:G3
MS_LRCK
009:E4
HDMI_TX_TMDS_TXACP
017:E5
D3.3V_2
HDMI_TX_SDA
017:F2
R819
4.7K
R830 0 OPT
R813 47K
D1.8V_1
C824
0.1uF
16V
VR800 AVRL161A1R1NT
TP805
HDMI_TX_VIDEO_DE
016:G3
C830
47uF
16V
HDMI_TX_SEL
017:C6;009:F5
D5.0V_1
R815 1K
HDMI_TX_VIDEO_CLK
016:G6
HDMI_TX_HPD1
017:F5;017:F2
R820 0 OPT
HDMI_TX_TMDS_TXA2N
017:F1
R822 0
TP811
C817
0.1uF
16V
VR801 AVRL161A1R1NT
D1.8V_1
HDMI_TX_TMDS_TXBCN
017: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
017:E5
HDMI_TX_HPD1
017:E3;017:F5
HDMI_TX_SCL
017:F2
MS_SCK
009:E4
TP808
TP803
R821 0
SDA_HDMI
009:G8
HDMI_TX_VIDEO_VSYNC
016:G3
R838 47K
D3.3V_2
HDMI_TX_TMDS_TXA2P
017:E4
R824 0
C814
10uF
6.3V
HDMI_TX_TMDS_TXB2N
017:F3
D5.0V_1
D1.8V_1
SCL_WIHD
014:G4;017:F4;009:G8
HDMI_TX_DDC_SDA
017:E4
TP814
R827 2.7K
C832
0.1uF
16V
HDMI_TX_TMDS_TXB1N
017:E5
HDMI_TX_VIDEO_R[0-9]
016:G5
HDMI_TX_TMDS_TXB0N
017:F4
TP800 HDMI_TX_RESETb
016:C3;009: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
JK800
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
JK801
YKF45-7058V
14
14
13
13
5
5
20
20
12
12
11
11
2
2
19
19
18
18
10
10
4
4
1
1
17
17
9
9
8
8
3
3
16
16
7
7
6
6
15
15
E
C B
G D H
F A
1
2
3
4
5
6
JUNO-BOX
17 17
TO
WIRED HDMI MONITOR OUT
I2C Switching
TO
WIRELESS TX BOARD(DATA)
I2C ADDRESS Select
HIGH - 0x76 / 0x7E
LOW - 0x72 / 0x7A
HDMI TX
FROM SDA/SCL0 CH2
0x72
FROM HDMI_TX NOT USDED?
TO TV RX MICOM
FROM CH4 FIXED ??? / NORMAL MONITOR NO OPERAITON??
FROM CH4
TO TV RX MICOM
READY LINE
HDMI DATA
REDAY LINE
TMDS SW
TO WIRED MONITOR
15mA
Clock 27MHz: 107mA
74.25Mhz: 173mA
150Mhz: 235mA
251Mhz: 281mA
HDMI /TMDS
From LVDS Receiver / TTL
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only