Read LG 22LU50FD (CHASSIS:LC91M) Service Manual online
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.
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
DDC_SDA_1
002:E10;005:I5
002:E10;005:I5
CK-_HDMI3
002:E13
002:E13
D0-_HDMI3
002:E13
002:E13
D1-_HDMI2
002:E11
002:E11
DDC_SCL_1
002:E10;005:I16
5V_HDMI_1
DDC_SCL_3
002:E15;005:AL16
CK-_HDMI2
002:E11
002:E11
CEC_REMOTE
005:J23;005:X6;005:AL7
CK+_HDMI1
002:E8
002:E8
IC601
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D0-_HDMI1
002:E9
002:E9
D600
ENKMC2838-T112
A
1
C
A
2
+5V_ST
CK+_HDMI3
002:E13
002:E13
D2-_HDMI1
002:E9
002:E9
CEC_REMOTE
005:I6;005:J23;005:AL7
DDC_SCL_2
002:E12;005:W16
D2+_HDMI1
002:E9
002:E9
CK-_HDMI1
002:E8
002:E8
IC602
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2+_HDMI2
002:E12
002:E12
D1-_HDMI1
002:E9
002:E9
GND
D2+_HDMI3
002:E14
002:E14
D0+_HDMI2
002:E11
002:E11
DDC_SDA_3
002:E14;005:AL17
DDC_SCL_1
002:E10;005:I6
002:E10;005:I6
DDC_SDA_1
002:E10;005:I17
+5V_ST
D2-_HDMI3
002:E14
002:E14
D1-_HDMI3
002:E14
002:E14
D1+_HDMI3
002:E14
002:E14
CK+_HDMI2
002:E10
002:E10
5V_HDMI_3
CEC_REMOTE
005:I6;005:J23;005:X6
EDID_WP
001:AJ19;004:Z17;005:W15;005:AL15
D1+_HDMI1
002:E9
002:E9
D0+_HDMI3
002:E13
002:E13
DDC_SCL_2
002:E12;005:X6
002:E12;005:X6
DDC_SDA_2
002:E12;005:W17
+5V_ST
IC600
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SDA_2
002:E12;005:X5
002:E12;005:X5
D2-_HDMI2
002:E12
002:E12
EDID_WP
001:AJ19;004:Z17;005:I15;005:AL15
DDC_SDA_3
002:E14;005:AL6
002:E14;005:AL6
D602
ENKMC2838-T112
A
1
C
A
2
DDC_SCL_3
002:E15;005:AL6
002:E15;005:AL6
D601
ENKMC2838-T112
A
1
C
A
2
D1+_HDMI2
002:E11
002:E11
R609
0
Q603
2SC3052
E
B
C
HPD3 002:E15
EDID_WP
001:AJ19;004:Z17;005:I15;005:W15
5V_HDMI_3
Q602
2SC3052
E
B
C
HPD2
002:E12
5V_HDMI_2
Q601
2SC3052
E
B
C
HPD1 002:E10
5V_HDMI_2
5V_HDMI_1
+3.3V_ST
CEC_REMOTE
005:I6;005:X6;005:AL7
HDMI_CEC
002:E15
D0+_HDMI1
002:E8
002:E8
D0-_HDMI2
002:E11
002:E11
JK602
EAG42463001
14
13
5
D1_GND
20
JACK_GND
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
Q600
SSM6N15FU
OPT
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
R624
120K
120K
R632
9.1K
9.1K
OPT
D604
30V
MMBD301LT1G
R650
0
0
C600
0.1uF
16V
0.1uF
16V
C601
0.1uF
16V
0.1uF
16V
C602
0.1uF
16V
0.1uF
16V
C603
0.1uF
C604
0.1uF
C607
0.1uF
C608
0.1uF
16V
0.1uF
16V
OPT
R600
2K
R601
2K
R602
2K
R606
22
R608
22
R605
0
R607
0
R612
1K
R613
1K
R614
1K
R615
10K
10K
R616
10K
10K
R617
10K
10K
R651
10K
10K
OPT
R652
10K
10K
OPT
R653
10K
10K
OPT
R610
22
R611
22
R603
22
R604
22
JK600
EAG39789402
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
JK601
EAG39789402
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
R618
0
0
R619
0
0
R640
0
0
R623
0
R621
0
R620
0
R622
0
R645
0
R642
0
R646
4.7K
R649
4.7K
R628
4.7K
R630
4.7K
R626
4.7K
R629
4.7K
EAX61023402
5 9
2009.04.28
HDMI_3(SIDE)
HDMI_1(REAR)
HDMI_2(REAR)
CEC
LC91M(22/26LU50FD-CA)
*only 26inch
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