Read LG 50PQ3500-ZB (CHASSIS:PD91A) 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
+5V_ST
GND
D601
ENKMC2838-T112
A1
C
A2
CK-_HDMI4
DDC_SDA_1
D0+_HDMI3
+5V_ST
DDC_SCL_4
D0-_HDMI2
D0+_HDMI4
IC603
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SDA_3
DDC_SDA_4
CK+_HDMI2
GND
GND
CEC_REMOTE
DDC_SDA_2
D1+_HDMI1
D2-_HDMI2
IC602
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D603
ENKMC2838-T112
A1
C
A2
5V_HDMI_1
D1+_HDMI4
D602
ENKMC2838-T112
A1
C
A2
HPD4
DDC_SDA_3
HPD2
5V_HDMI_2
DDC_SCL_3
D1+_HDMI2
D0+_HDMI1
5V_HDMI_2
D1-_HDMI4
DDC_SDA_1
D0-_HDMI3
CK-_HDMI3
DDC_SCL_4
DDC_SCL_1
D1-_HDMI2
IC600
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5V_HDMI_3
D0+_HDMI2
D2+_HDMI3
GND
D1-_HDMI1
HPD1
D1-_HDMI3
D2-_HDMI4
D2-_HDMI3
CK-_HDMI1
D2+_HDMI1
+5V_ST
GND
CK+_HDMI3
GND
D2+_HDMI4
CEC_REMOTE
CK-_HDMI2
D0-_HDMI4
DDC_SCL_3
DDC_SDA_4
D0-_HDMI1
CEC_REMOTE
5V_HDMI_4
DDC_SCL_2
D1+_HDMI3
DDC_SCL_2
IC601
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CK+_HDMI4
D2-_HDMI1
DDC_SCL_1
+5V_ST
CEC_REMOTE
HPD3
D600
ENKMC2838-T112
A1
C
A2
DDC_SDA_2
5V_HDMI_1
D2+_HDMI2
5V_HDMI_3
5V_HDMI_4
CK+_HDMI1
+3.3V_HDMI_ST
DDC_SDA_3
DDC_SCL_3
DDC_SCL_3
CK+_HDMI3
CK-_HDMI3
BSS83
Q600
READY
S
B
D
G
HDMI_CEC
CEC_REMOTE
D605
MMBD301LT1G
30V
R617
1K
READY
R615
1K
READY
R638
1K
READY
R616
1K
READY
C605
0.1uF
16V
0.1uF
16V
C600
0.1uF
16V
0.1uF
16V
C602
0.1uF
16V
0.1uF
16V
C601
0.1uF
16V
0.1uF
16V
R600
3.6K
R601
3.6K
R631
3.6K
R602
3.6K
R609
0
R607
0
R605
0
R635 0
R624
0
READY
R637
27K
READY
R619
0
0
R641
0
0
R640
0
0
R644
22
R620
22
R621
22
R645
22
R642
22
R643
22
R623
22
R622
22
C607
0.1uF
C603
0.1uF
C608
0.1uF
C604
0.1uF
D604
READY
CK-_HDMI1
C609
0.1uF
C610
0.1uF
DDC_SCL_1
R653 4.7K
TX2_SW-
D0+_HDMI2
D2+_HDMI1
HDMI_SEL1
D2-_HDMI2
DDC_SCL_2
HDMI_SEL2
C611
0.1uF
D0+_HDMI3
IC604
TMDS351PAG
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SINK
30
SDA_SINK
31
HPD_SINK
32
S1
33
S2
34
EQ
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
VDD
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
TX1_SW+
D1+_HDMI3
SDA_HDMI_SW
D1-_HDMI3
C612
0.1uF
D1+_HDMI2
C613
0.1uF
+5V_GENERAL
C614
0.1uF
+3.3V_CI
TXCLK_SW-
TX2_SW+
D2+_HDMI2
+3.3V_CI
TX1_SW-
C615
0.1uF
D1+_HDMI1
D2+_HDMI3
TX0_SW-
D1-_HDMI1
D1-_HDMI2
D2-_HDMI3
DDC_SDA_1
TX0_SW+
D606
KDS184
A2
C
A1
DDC_SDA_2
R656 1
C616
0.1uF
D0-_HDMI3
TXCLK_SW+
D2-_HDMI1
CK+_HDMI1
CK-_HDMI2
D0+_HDMI1
D0-_HDMI2
D0-_HDMI1
C617
0.1uF
SCL_HDMI_SW
CK+_HDMI2
R658
4.7K
R657
4.7K
READY
+3.3V_CI
R618
0
0
R636
0
0
R612
0
0
R613
0
0
R614
0
0
R659
0
0
R632
330K
R611
0
R604
0
R633
0
R610
0
R634
0
R606
0
R608
0
R603
0
R646
18K
R648
18K
R630
18K
R629
18K
R628
18K
R650
18K
R626
18K
R649
18K
R662
0
READY
0
READY
R660
0
READY
0
READY
R661
0
0
READY
R665
0
0
+5V
R663
0
0
+5V
R664
0
0
+5V
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
GND
21
GND
22
JK602
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
GND
21
GND
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
GND
21
GND
22
JK603
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
R651
4.7K
4.7K
R652
4.7K
4.7K
UI_HW_PORT3
UI_HW_PORT4
UI_HW_PORT1
UI_HW_PORT2
HDMI
5 10
MSD3368EV Platform
SIDE HDMI
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