Download Print this page

LG 37LH50YD Service Manual page 20

Chassis: lb91b
Hide thumbs Also See for 37LH50YD:

Advertisement

5V_HDMI_1
$0.253
22
22
19
19
18
18
R613
1K
17
17
16
16
15
15
14
14
13
13
12
12
11
11
CK+
10
10
D0-
9
9
D0_GND
8
8
D0+
7
7
D1-
6
6
D1_GND
5
5
D1+
4
4
D2-
3
3
D2_GND
2
2
D2+
1
1
GND
20
20
GND
21
21
JK600-*1
JK600
GND
5V_HDMI_2
$0.253
22
22
19
19
18
18
R614
17
17
16
16
15
15
14
14
13
13
12
12
11
11
CK+
10
10
D0-
9
9
D0_GND
8
8
D0+
7
7
D1-
6
6
D1_GND
5
5
D1+
4
4
D2-
3
3
D2_GND
2
2
D2+
1
1
GND
20
20
GND
21
21
JK601-*1
JK601
GND
5V_HDMI_3
$0.253
22
22
19
19
18
18
R615
17
17
16
16
15
15
14
14
13
13
12
12
11
11
CK+
10
10
D0-
9
9
D0_GND
8
8
D0+
7
7
D1-
6
6
D1_GND
5
5
D1+
4
4
D2-
3
3
D2_GND
2
2
D2+
1
1
GND
20
20
GND
21
21
JK602
JK602-*1
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
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and servcie purposes
+3.3V_HDMI
R616
0
OPT
C
R617
Q601
B
10K
2SC3052
HPD1
R634
E
1K
C601
OPT
0.1uF
16V
R610
0
DDC_SDA_1
DDC_SCL_1
0
R611
R607
0
CEC_REMOTE
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
DDC_SDA_3
DDC_SCL_3
CK-_HDMI3
CK+_HDMI3
UI_HW_PORT3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
+3.3V_HDMI
D1+_HDMI3
R618
0
OPT
D2-_HDMI3
C
R623
D2+_HDMI3
Q602
B
10K
2SC3052
HPD2
R635
E
1K
C602
OPT
0.1uF
16V
1K
R603
0
DDC_SDA_2
DDC_SCL_2
R604
0
R605
0
CEC_REMOTE
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
UI_HW_PORT2
SIDE HDMI
+3.3V_HDMI
R624
0
OPT
$0.2522
C
R631
JACK_GND
10K
Q603
B
2SC3052
HPD3
20
R656
E
1K
C603
OPT
19
0.1uF
16V
18
1K
17
0
R608
DDC_SDA_3
16
DDC_SCL_3
15
R606
0
14
R609
0
$0.26
CEC_REMOTE
13
CK-_HDMI3
12
11
CK+
10
CK+_HDMI3
D0-
9
D0-_HDMI3
D0_GND
8
D0+
7
D0+_HDMI3
D1-
6
D1-_HDMI3
D1_GND
5
D1+
4
D1+_HDMI3
D2-
3
D2-_HDMI3
D2_GND
2
D2+
1
D2+_HDMI3
UI_HW_PORT1
GND
JK603
+5V_HDMI
SDA3
A14
1
48
SCL3
47
B14
2
GND_1
VCC_6
3
46
B31
A13
45
4
A31
B13
5
44
VCC_1
GND_6
IC600
43
6
B32
A12
7
TMDS351PAGR
42
A32
B12
8
41
GND_2
40
VCC_5
9
B33
A11
10
39
A33
38
B11
11
$0.48
VCC_2
SCL1
12
37
B34
36
SDA1
13
A34
HPD1
14
35
GND_3
34
EQ
15
VSADJ
S2
16
33
R626
4.7K
SEL2
SEL1
I/O Selected
H
H
DDC1, HPD1
H
L
DDC2, HPD2
L
L
DDC3, HPD3
L
H
Unselected, HPD ALL
+3.3V_HDMI
R660
0
5V_HDMI_4
OPT
C
R661
10K
Q604
B
2SC3052
HPD4
R662
E
1K
C620
OPT
0.1uF
16V
R659
1K
R620
0
DDC_SDA_4
R621
0
DDC_SCL_4
R622 0
HDCP EEPROM
CEC_REMOTE
CK-_HDMI4
CK+_HDMI4
R625
4.7K
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
UI_HW_PORT4
HDMI EEPROM
+5V_GENERAL
+5V_HDMI
+3.3V_HDMI
+3.3V
L600
L601
BLM18PG121SN1D
C619
BLM18PG121SN1D
C614
0.1uF
0.1uF
+3.3V_HDMI
D2+_HDMI1
D2-_HDMI1
D1+_HDMI1
D1-_HDMI1
D0+_HDMI1
D0-_HDMI1
+3.3V_HDMI
CK+_HDMI1
CK-_HDMI1
L: HDMI1.3 Compliant Cable
H: 10m 28 AWG Cable
DDC_SCL_1
OPT
DDC_SDA_1
R628
4.7K
OPT
R657
0
HDMI_EQ_SEL
R629
4.7K
+5V_HDMI
R627
4.7K
SDA_HDMI_SW
SCL_HDMI_SW
HDMI_SEL2
HDMI_SEL1
+5V_GENERAL
$0.199
CEC_REMOTE
IC601
R630
4.7K
CAT24WC08W-T
006:L4;006:L13;006:L23;006:U23
A0
8 VCC
1
A1
7 WP
2
EEPROM_SCL
A2
6 SCL
22
3
R632
VSS
5 SDA
4
R633
22
EEPROM_SDA
C612
0.1uF
5V_HDMI_1
+5V_ST
ENKMC2838-T112
D603
IC602
EDID_WP
AT24C02BN-10SU-1.8
JP608
A0
VCC
1
8
$0.055
R636
A1
WP
0
R648
R652
2
7
C615
4.7K
4.7K
0.1uF
A2
SCL
3
6
DDC_SCL_1
R641
0
GND
SDA
4
5
DDC_SDA_1
R640
0
5V_HDMI_2
+5V_ST
IC603
AT24C02BN-10SU-1.8
JP609
ENKMC2838-T112
D604
A0
VCC
1
8
R637
$0.055
A1
WP
R653
0
R649
2
7
C616
4.7K
4.7K
0.1uF
A2
SCL
3
6
DDC_SCL_2
R643
0
GND
SDA
4
5
DDC_SDA_2
R642
0
GND
5V_HDMI_3
+5V_ST
ENKMC2838-T112
D605
IC604
AT24C02BN-10SU-1.8
EDID_WP
JP610
A0
VCC
1
8
$0.055
R638
A1
WP
0
C617
R650
R654
2
7
0.1uF
4.7K
4.7K
A2
SCL
R644 0
3
6
DDC_SCL_3
GND
SDA
4
5
DDC_SDA_3
R645
0
5V_HDMI_4
+5V_ST
ENKMC2838-T112
D606
IC605
AT24C02BN-10SU-1.8
EDID_WP
JP611
A0
VCC
1
8
$0.055
R639
A1
WP
0
R655
C618
R651
2
7
0.1uF
4.7K
4.7K
A2
SCL
R646 0
3
6
DDC_SCL_4
GND
SDA
4
5
DDC_SDA_4
R647
0
+3.3V_ST
120K
R665
Q605
OPT
SSM6N15FU
002:D15
DRAIN1
SOURCE1
0
6
1
HDMI_CEC
$0.0526
R663
GATE2
GATE1
5
2
SOURCE2
DRAIN2
4
3
C621
0.1uF
16V
OPT
GND
R664
GND
0
EAX60148002-0(LH50)
2009.01.19
HDMI
6
11
LGE Internal Use Only

Advertisement

loading

This manual is also suitable for:

37lh50yd-aa