LG 32LD320H Service Manual page 21

UI_HW_PORT1
5V_HDMI_1
22
19
R612
1K
18
R600
2K
17
R610
16
R611
15
R624
14
R607
13
12
11
CK+
10
D0-
9
D0_GND
8
D0+
7
D1-
6
D1_GND
5
D1+
4
D2-
3
D2_GND
2
D2+
1
20
21
GND
JK600
IC600
CAT24C02WI-GT3
A0 VCC
1 8
R618
A1 WP
0
2 7
A2 SCL
R623
3 6
VSS SDA
R621
4 5
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C
R615
10K
Q601 B
2SC3052 HPD1
E
C600
0.1uF
16V
22
DDC_SDA_1
22
DDC_SCL_1
0
IR_OUT_HDMI1
0
CEC_REMOTE
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
5V_HDMI_1 +5V_ST
ENKMC2838-T112
D600
EDID_WP
C603
0.1uF
R626 R629
4.7K
4.7K
0
DDC_SCL_1
0
DDC_SDA_1
UI_HW_PORT2
(Option for 26~52")
5V_HDMI_2
C
R616
10K
Q602 B HPD2
2SC3052
22
E
C601
19 R613
1K 0.1uF
16V
18
R601
2K
17
R603 22
DDC_SDA_2
16
R604 22
DDC_SCL_2
15
R632 0
IR_OUT_HDMI2
14
R605 0
CEC_REMOTE
13
CK-_HDMI2
12
11
CK+
10 CK+_HDMI2
D0-
9
D0-_HDMI2
D0_GND
8
D0+
7 D0+_HDMI2
D1-
6
D1-_HDMI2
D1_GND
5
D1+
4 D1+_HDMI2
D2-
3 D2-_HDMI2
D2_GND
2
D2+
1 D2+_HDMI2
20
21
JK601
GND
5V_HDMI_2 +5V_ST
ENKMC2838-T112
D602
IC602
EDID_WP
CAT24C02WI-GT3
A0 VCC
1 8
R640
A1 WP 0 R649
R646
2 7
C607
4.7K 4.7K
0.1uF
A2 SCL
3 6
DDC_SCL_2
R645 0
VSS SDA
4 5 DDC_SDA_2
R642 0
GND
+5V_ST
+3.3V
R606
R608
4.7K
4.7K
HDMI_CEC D
B
S G
MST_HDMI_CEC
Q603
BSS83
+5V_ST
HDMI_CEC
R602
0
R627
68K
R631
9.1K
MMBD301LT1G
Q600
SSM6N15FU D603
30V
SOURCE1 DRAIN1
1 6
HDMI_CEC
GATE1 GATE2
2 5
DRAIN2 SOURCE2
3 4
C605
0.1uF
16V
R625 0
OPT
EAX62121501
HDMI
CEC_REMOTE
2010.03.10
6 12
LGE Internal Use Only