LG 24LN451B Service Manual page 25

HDMI
HDMI_2
+3.3V_ST
C
R501
10K
B
OPT
E
5V_HDMI_2 VA505
SHIELD
R528
20 1K
19
OPT
OPT
VA514
18
20V
VA513
17
20V
16
15
14
13
OPT
VA510
(OPT)ESD_HDMI_SEMTECH(DEV)
12 20V
D506
11 RCLAMP0524PA
CK+ 1 10
10
2 9
D0-
9 3 8
D0_GND 4 7
8
5 6
D0+
7
120825
ESD component addition
D1-
6
(OPT)ESD_HDMI_SEMTECH(DEV)
D1_GND
D507
5
RCLAMP0524PA
D1+ 1 10
4
2 9
D2-
3 3 8
D2_GND 4 7
2
5 6
D2+
1
JK501
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 right reserved.
Only for training and service purposes
5V_DET_HDMI_2
Q501
MMBT3904(NXP)
C
R529
10K
Q505 B
HPD2
MMBT3904(NXP)
E
DDC_SDA_2
DDC_SCL_2
VA502 VA503
20V 20V
HDMI_CEC
120715
Added for ESD prevention
120825
CK-_HDMI2 OPT->APPLY
CK+_HDMI2 D506-*1 D507-*1
IP4283CZ10-TBA IP4283CZ10-TBA
D0-_HDMI2 TMDS_CH1- NC_4 TMDS_CH1- NC_4
1 10 1 10
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
D1-_HDMI2 ESD_HDMI_NXP ESD_HDMI_NXP
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
CEC
R520
100
HDMI_CEC CEC_REMOTE_S7
5V_HDMI_2 +5V_Normal
MMBD6100
D502
120915
R521 R522 47K->2.7K
2.7K 2.7K
DDC_SDA_2
DDC_SCL_2
EAX65410201
2013.05.25
NC4_S7LRM
HDMI 5 12
LGE Internal Use Only