LG 37LH250H Service Manual page 27

HDMI1
5V_HDMI_1
Q504
2SC3052
22
19 R552
1K
18
C501
R501 0.1uF
JP502
16V
17
820
R510 0
16
0
15 R511
JP503
14
R509
0
13
R569
0
12
11
R570
0
10
R571
0
9
8
R572
0
7
R573
0
6
5
R574 0
4
R575
0
3
2
R576 0
1
20
21
GND
QJ41193-CFEE1-7F
JK500
HDMI2
008:Q29;002:S11
5V_HDMI_2
Q505
22
2SC3052
19 R553
1K
C502
0.1uF
18
16V
R502
VR501
17
820 R506 0
AVRL161A1R1NT
16
15 R507 0
14
R508 0
13
R577 0
12
11
R578 0
10
R579 0
9
8
R580
0
7
R581 0
6
5
R582
0
4
R583 0
3
2
R584
0
1
20
21
QJ41193-CFEE1-7F
JK501 GND
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
EDID
+3.3V_ST
R556
C
47K
R513
OPT
10K
B
HPD1
008:D37
E
DDC_SDA_1
008:D38;002:S20
DDC_SCL_1
008:D37;002:S20
008:D39
CK-_HDMI1 IC500
CAT24C02WI-GT3
008:D39
CK+_HDMI1
008:D39
A0 VCC
1 8
D0-_HDMI1
A1 WP
008:D39
2 7
D0+_HDMI1
HDMI1
008:D38
A2 SCL
D1-_HDMI1
3 6
008:D38 VSS SDA
4 5
D1+_HDMI1
008:D38
D2-_HDMI1
008:D38
D2+_HDMI1
EDID
+3.3V_ST
R557
C 47K
R514 OPT
B 10K
HPD2
008:D35
E
008:D35;002:S7
DDC_SDA_2
008:D35;002:S7
DDC_SCL_2
008:D37
CK-_HDMI2
IC501
008:D37
CAT24C02WI-GT3
CK+_HDMI2
008:D36
D0-_HDMI2
A0 VCC
1 8
008:D36
D0+_HDMI2 A1 WP
008:D36 2 7
D1-_HDMI2
HDMI2
A2 SCL
3 6
008:D36
D1+_HDMI2
VSS SDA
008:D35
4 5
D2-_HDMI2
008:D36
D2+_HDMI2
+5V_GENERAL 5V_HDMI_1
C509
0.1uF
50V R542
10K
OPT
R536 R539
4.7K 4.7K
R545
100
EEPROM_WP
R530
22
DDC_SCL_1
R531
22
DDC_SDA_1
C512 C515
8pF 8pF
50V 50V
OPT OPT
+5V_GENERAL 5V_HDMI_2
C510
0.1uF
50V
R543
10K
OPT
R537 R540
4.7K 4.7K
R546
100
EEPROM_WP
R532
22
DDC_SCL_2
R533
22
DDC_SDA_2
C513 C516
8pF 8pF
50V 50V
OPT OPT
37LH250H 09.05.19
HDMI 2 14