LG 22LN45 Series Service Manual page 24

HDMI
HDMI_1
+3.3V_ST
R505
10K
B
OPT
5V_HDMI_1
VA504
SHIELD
R502
20
1K
19
OPT
OPT
VA512
18
20V
VA511
20V
17
16
15
R526 0
14
HDMI1_ARC
13 OPT OPT
VA507 VA508
12
20V 20V
ESD_HDMI_SEMTECH(DEV)
D504
11
CK+
RCLAMP0524PA
10
1
D0-
2
9
3
D0_GND
8
4
D0+
5
7
D1- 120825
6
ESD component addition
D1_GND
ESD_HDMI_SEMTECH(DEV)
5
D505
D1+
RCLAMP0524PA
4
1
D2-
2
3
3
D2_GND
2
4
D2+
5
1
JK500
HDMI_2 With MHL
+3.3V_ST
R501
10K
OPT
5V_HDMI_2 VA505
MN33D
SHIELD
R528
20 1K
19
OPT
VA514
18
OPT
20V
VA513
17
20V
16
15
R527
14
HDMI2_ARC
13
OPT OPT
VA509 VA510
ESD_HDMI_SEMTECH(DEV)
12 20V 20V
D506
11 RCLAMP0524PA
CK+ 1
10
2
D0-
9 3
D0_GND 4
8
5
D0+
7
120825
ESD component addition
D1-
6
ESD_HDMI_SEMTECH(DEV)
D1_GND
D507
5
RCLAMP0524PA
D1+ 1
4
2
D2-
3 3
D2_GND 4
2
5
D2+
1
JK501
0
R530
MN33D
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5V_DET_HDMI_1
C
Q500
MMBT3904(NXP)
E
OPT
R508
10K
C
R510
Q502 B 10K
HPD1
MMBT3904(NXP)
E
DDC_SDA_1
DDC_SCL_1
HDMI_ARC
VA500 VA501
HDMI_CEC
20V 20V
120715
Added for ESD prevention
10
120825
CK-_HDMI1
9 OPT->APPLY
CK+_HDMI1
8
7
D0-_HDMI1
6
D0+_HDMI1
D504-*1 D505-*1
IP4283CZ10-TBA IP4283CZ10-TBA
10
TMDS_CH1- NC_4 TMDS_CH1- NC_4
D1-_HDMI1
1 10 1 10
9
D1+_HDMI1 TMDS_CH1+ NC_3 TMDS_CH1+ NC_3
2 9 2 9
8
7 GND_1 GND_2 GND_1 GND_2
3 8 3 8
D2-_HDMI1
6 TMDS_CH2- NC_2 TMDS_CH2- NC_2
4 7 4 7
D2+_HDMI1
TMDS_CH2+ NC_1 TMDS_CH2+ NC_1
5 6 5 6
ESD_HDMI_NXP ESD_HDMI_NXP
5V_DET_HDMI_2
C
Q501
B
MMBT3904(NXP)
E
LN4500 120915
22->100ohm
R509
100
MN33D
C
MN33D
R529
10K
Q505 B
HPD2
MMBT3904(NXP)
E
DDC_SDA_2
DDC_SCL_2
0
HDMI_ARC
VA502 VA503
20V 20V
HDMI_CEC
120715
Added for ESD prevention
10 120825
CK-_HDMI2 OPT->APPLY
9
CK+_HDMI2 D506-*1 D507-*1
8 IP4283CZ10-TBA IP4283CZ10-TBA
7
D0-_HDMI2 TMDS_CH1- NC_4 TMDS_CH1- NC_4
1 10 1 10
6
D0+_HDMI2 TMDS_CH1+ NC_3 TMDS_CH1+ NC_3
2 9 2 9
GND_1 GND_2 GND_1 GND_2
3 8 3 8
TMDS_CH2- NC_2 TMDS_CH2- NC_2
4 7 4 7
TMDS_CH2+ NC_1 TMDS_CH2+ NC_1
5 6 5 6
10
D1-_HDMI2 ESD_HDMI_NXP ESD_HDMI_NXP
9
D1+_HDMI2
8 +3.3V_ST
7
D2-_HDMI2
6
D2+_HDMI2
LN4500 E
R514
R512 10K Q504
0
MMBT3906(NXP)
B
OPT
1/16W C OPT
LN4500
C
5% C502
B
0.047uF Q503
25V MHL_CD_SENSE
MMBT3904(NXP)
OPT
E
R507
R532
0 300K
LN4500 LN4500(MHL_PULL_DOWN_300K)
CEC
R520
100
HDMI_CEC CEC_REMOTE_S7
5V_HDMI_1 +5V_Normal 5V_HDMI_2 +5V_Normal
+3.3V_ST
MMBD6100 MMBD6100
D501 D502
120915
R517 R518
R521 R522 47K->2.7K
2.7K 2.7K 2.7K 2.7K
DDC_SDA_1 DDC_SDA_2
DDC_SCL_1 DDC_SCL_2
MHL OCP
LN4500
AVDD5V_MHL
5V_HDMI_2
IC500
+5V_ST
BD82020FVJ
R531
LN4500
0
LN4500 D500
MBR230LSFT1G OUT_3 GND
8 1
R511 30V
10
C500
LN4500 100K OUT_2 IN_1
10uF 7 2
OPT
121109 R516
10V
Change 0ohm -> 10ohm C503
LN4500
0.1uF
(EOS Issue.. Mstar Recommand) OUT_1 IN_2
6 3 LN4500
OC EN
5 4
+3.3V_Normal
R536
MHL_NEW
R515 R533
20K
10K
LN4500
/MHL_OCP_DET
LN4500 LN4500
R525 0
MMBD6100
D503
+3.3V_Normal
+3.3V_Normal
R538
R519 R535 10K
MHL_OLD
10K 2.7K
LN4500 LN4500
R537
0
Q506
MHL_OLD
LN4500 C
R523
10K
B
/VBUS_EN
LN4500
(Active Low)
R534 Q508
E
10K
LN4500
LN4500
C
R524
10K
B
MHL_OCP_EN
LN4500
Q507 (Active High)
E
LN4500
EAX65077401
2012.09.15
NC4_S7LRM
HDMI 5 12
LGE Internal Use Only