LG 37LD450 Service Manual page 24

5V_HDMI_1 5V_DET_HDMI_1
HDMI_1
SHIELD
Q802
R896
2SC3052
20
1K
$0.253
C802
19
R804 0.1uF
16V
18
1.8K
JP803
17
22
R825
16
R826 22
15
JP804
14
R824 100
13
R847 0
12
11
CK+ R846
0
10
D0-
R845
0
9
D0_GND
8
D0+ R844
0
7
D1-
R843
0
6
D1_GND
5
D1+ R842
0
4
D2- R850
0
3
D2_GND
2
D2+
R848 0
1
JK802
HDMI_2
5V_HDMI_2 5V_DET_HDMI_2
SHIELD
Q801
R895
2SC3052
20
1K
$0.253
C801
19
R803 0.1uF
16V
18 1.8K
JP802
17
R805 22
16
22
R806
15
JP801
14
R815 100
13
R831
0
12
11
CK+
R834 0
10
D0-
R822 0
9
D0_GND
8
D0+
R832 0
7
D1-
R827 0
6
D1_GND
5
D1+
R829
0
4
D2-
R823 0
3
D2_GND
2
D2+ R833
0
1
JK801
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_3
5V_HDMI_3
C
SHIELD
R830
B
HPD1
20
10K
$0.253
E
19
18
17
DDC_SDA_1
16
DDC_SCL_1
15
14
HDMI_CEC
13
CK-_HDMI1
12
11
CK+
10
CK+_HDMI1
D0-
9
D0-_HDMI1
D0_GND
8
D0+
7
D0+_HDMI1
D1-
6
D1-_HDMI1
D1_GND
5
D1+
D1+_HDMI1 4
D2-
3
D2-_HDMI1
D2_GND
2
D2+
D2+_HDMI1 1
JK804
SIDE_HDMI
C
R828 JACK_GND
B 10K
HPD2
20
E $0.253
19
18
17
DDC_SDA_2
16
DDC_SCL_2
15
14
HDMI_CEC
13
CK-_HDMI2
12
11
CK+
CK+_HDMI2
10
D0-
D0-_HDMI2 9
D0_GND
8
D0+
D0+_HDMI2 7
D1-
D1-_HDMI2 6
D1_GND
5
D1+
D1+_HDMI2 4
D2-
D2-_HDMI2 3
D2_GND
2
D2+
D2+_HDMI2 1
JK803
5V_DET_HDMI_3
C
R864
Q804 B
R894 2SC3052
10K
1K
E
C804
R838 0.1uF
16V
1.8K
JP807
R859
22
R851
22
JP808
R860
100
R852
0
R816 0
R821
0
R814 0
R819
0
R818 0
R820 0
R812
0
5V_HDMI_4 5V_DET_HDMI_4
C
R862
Q803 B
R897 2SC3052
10K
1K E
C803
R837 0.1uF
16V
1.8K
JP805
R839 22
R840 22
JP806
R841
100
R810
0
R807 0
R817 0
R809 0
R813 0
R811
0
R849 0
R808
0
HDMI EEPROM
AT24C02BN-10SU-1.8
A0
HPD3
A1
A2
GND
DDC_SDA_3
DDC_SCL_3
HDMI_CEC
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
A0
D1-_HDMI3
A1
D1+_HDMI3
A2
D2-_HDMI3
GND
D2+_HDMI3
A0
A1
A2
GND
HPD4
A0
DDC_SDA_4
A1
DDC_SCL_4
A2
HDMI_CEC
GND
CK-_HDMI4
CK+_HDMI4
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
For CEC
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
OPT
GND
HDMI_CEC
OPT
GND
GP2_Saturn7M
HDMI
5V_HDMI_1
+5V_Normal
ENKMC2838-T112
D821
HDMI_1
IC801
EDID_WP
VCC
1 8
$0.055
WP
C806 R884 R888
2 7
0.1uF 4.7K 4.7K
SCL JP809
3 6
DDC_SCL_1
R876 22
SDA
4 5
DDC_SDA_1
R875 22
5V_HDMI_2 +5V_Normal
ENKMC2838-T112
D822
HDMI_2
IC802
AT24C02BN-10SU-1.8 EDID_WP
VCC
1 8
$0.055 C807 R885 R889
WP
2 7
0.1uF 4.7K 4.7K
JP810
SCL
3 6 DDC_SCL_2
R878 22
SDA
4 5
DDC_SDA_2
R877 22
5V_HDMI_3 +5V_Normal
ENKMC2838-T112
D823
HDMI_3
IC803
AT24C02BN-10SU-1.8
EDID_WP
VCC
1 8
$0.055
WP
C808 R886 R890
2 7
0.1uF 4.7K 4.7K
SCL JP811
3 6
DDC_SCL_3
R879 22
SDA
4 5
DDC_SDA_3
R880 22
5V_HDMI_4 +5V_Normal
ENKMC2838-T112
D824
HDMI_SIDE
IC804
AT24C02BN-10SU-1.8
EDID_WP
VCC
1 8
$0.055
WP
2 7 C809 R887 R891
0.1uF 4.7K 4.7K
JP812
SCL
3 6
DDC_SCL_4
R881 22
SDA
4 5
DDC_SDA_4
R882 22
+3.3V_Normal
68K
R854
R855
R856
0
R857
10K
68K
OPT
OPT
R858
0
CEC_REMOTE_S7
Q806
BSS83
C805
0.1uF
16V
GND
CEC_ON/OFF
68K
+3.5V_ST
R892
R883
R893
0
R853
10K
68K
OPT
CEC_REMOTE_NEC
Q805
BSS83
C810
0.1uF
16V
GND
Ver. 1.2
8