Read LG 42LH250C (CHASSIS:LD91Z) 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.
GND
DDC_SDA_1
0 0 2 : E 1 1 ; 0 0 6 : J 1 7
+5V_ST
D0-_HDMI2
0 0 2 : E 1 3
CK+_HDMI2
0 0 2 : E 1 2
EDID_WP
0 0 1 : A J 1 9 ; 0 0 4 : L 1 8 ; 0 0 6 : X 1 5
DDC_SDA_2
0 0 2 : E 1 4 ; 0 0 6 : X 1 7
D1+_HDMI1
0 0 2 : E 1 0
D2-_HDMI2
0 0 2 : E 1 3
EDID_WP
ENKMC2838-T112
D602
D602
A1
C
A2
D1+_HDMI2
0 0 2 : E 1 3
D0+_HDMI1
0 0 2 : E 1 0
5V_HDMI_2
DDC_SDA_1
0 0 2 : E 1 1 ; 0 0 6 : J 7
DDC_SCL_1
0 0 2 : E 1 1 ; 0 0 6 : J 1 7
D1-_HDMI2
0 0 2 : E 1 3
D0+_HDMI2
0 0 2 : E 1 2
GND
D1-_HDMI1
0 0 2 : E 1 1
CK-_HDMI1
0 0 2 : E 1 0
D2+_HDMI1
0 0 2 : E 1 1
+5V_ST
GND
CEC_REMOTE
006:X8;006:AL11
CK-_HDMI2
0 0 2 : E 1 2
D0-_HDMI1
0 0 2 : E 1 0
DDC_SCL_2
DDC_SCL_2
0 0 2 : E 1 4 ; 0 0 6 : X 1 7
D2-_HDMI1
0 0 2 : E 1 1
DDC_SCL_1
0 0 2 : E 1 1 ; 0 0 6 : J 7
CEC_REMOTE
0 0 6 : J 8 ; 0 0 6 : A L 1 1
ENKMC2838-T112
D600
D600
A1
C
A2
DDC_SDA_2
5V_HDMI_1
D2+_HDMI2
0 0 2 : E 1 3
CK+_HDMI1
0 0 2 : E 1 0
5V_HDMI_1
HPD1
2SC3052
Q601
E
B
C
5V_HDMI_2
HPD2
2SC3052
Q602
E
B
C
CAT24C02WI-GT3
IC600
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CAT24C02WI-GT3
IC602
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0
R607
+3.3V_ST
HDMI_CEC
0 0 2 : E 1 7
SSM6N15FU
Q600
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
MMBD301LT1G
30V
D603
CEC_REMOTE
0 0 6 : J 8 ; 0 0 6 : X 8
0
R625
OPT
0 . 1 u F
16V
16V
C605
0 . 1 u F
16V
16V
C600
0 . 1 u F
16V
16V
C601
0 . 1 u F
C603
0 . 1 u F
C607
2K
R600
2K
R601
22
R603
0
R618
0
R621
0
R645
0
R642
0
R640
0
R623
0
R605
10K
R616
10K
R615
1K
R613
1K
R612
22
R604
22
R610
22
R611
4.7K
R646
4.7K
R649
4.7K
R626
4.7K
R629
EAG39789402
JK601
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
EAG39789402
JK600
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
9.1K
R631
68K
R627
0
R624
IR_OUT_HDMI1
011:AE24
0
R632
IR_OUT_HDMI2
011:AE25
UI_HW_PORT1
UI_HW_PORT2
6 1 1
HDMI
HDMI_CEC
2 0 0 9 . 0 6 . 0 9
EAX61353501
COMMERCIAL_LITE LH250
HDMI
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