LG 26LH20R Service Manual page 26

2SC3875S
+5V_HDMI_2
Q301
HPD_MST_2 R303
RT1C3904-T112 1K
IC301
C
R301
10K CAT24C02WI-GT3
B
E A0
1
A1
2
A2
3
22
VSS
4
19
18
17
JP301
16
15
JP300
14
CEC
13
TMDS2_RXC-
12
11
TMDS2_RXC+
10 CLK+
TMDS2_RX0-
9 DATA0-
8 DATA0_SHIELD
7 DATA0+ TMDS2_RX0+
6 DATA1-
TMDS2_RX1-
5 DATA1_SHIELD
TMDS2_RX1+
4 DATA1+
TMDS2_RX2-
3 DATA2-
2 DATA2_SHIELD
1 DATA2+
TMDS2_RX2+
20JACK_GND
.
21
JK302
QJ41193-CFEE1-7F
+5V_HDMI_1
R302
1K
HPD_MST_1
Q300
IC300
C
R300
10K CAT24C02WI-GT3
B
RT1C3904-T112
2SC3875S
E A0
1
A1
2
A2
3
22
VSS
4
19
18
17
16
15
14
CEC
13
TMDS1_RXC-
12
11
TMDS1_RXC+
10 CLK+
9 DATA0- TMDS1_RX0-
8 DATA0_SHIELD
7 DATA0+ TMDS1_RX0+
6 DATA1- TMDS1_RX1-
5 DATA1_SHIELD
4 DATA1+ TMDS1_RX1+
TMDS1_RX2-
3 DATA2-
2 DATA2_SHIELD
1 DATA2+ TMDS1_RX2+
20JACK_GND
.
21
JK301
QJ41193-CFEE1-7F
+5V_MULTI
+5V_HDMI_2
D301
KDS184S
HPD_MST_3
VCC
8
R309 R311
C301
10K 10K
0 . 0 1 u F
WP R327 100 DDC_WP
7
SCL R304 100
6
SDA R305 100
5
DDC_SDA2
DDC_SCL2
+5V_MULTI
+5V_HDMI_1
D300
KDS184S
VCC
8
R308 R310 C302
10K 10K 0 . 0 1 u F
WP R331 100 DDC_WP
7
SCL R306 100
6
SDA R307 100
5
JP302
DDC_SDA1
DDC_SCL1
JP303
+5V_HDMI_3
R314
1K
Q302
IC302
2SC3875S C
R312
10K CAT24C02WI-GT3
B
RT1C3904-T112
E A0 VCC
1 8
A1 WP R329 100
2 7
A2 SCL R317 100
JACK_GND
3 6
20
VSS SDA R318 100
4 5
19 HPD
18+5V_POWER
17DDC/CEC_GND
JP304
16 SDA
JP305
15 SCL
14 NC
CEC
13 CEC
12 CLK- TMDS3_RXC-
11 CLK_SHIELD
TMDS3_RXC+
10 CLK+
TMDS3_RX0-
9 DATA0-
8 DATA0_SHIELD
7 DATA0+ TMDS3_RX0+
6 DATA1- TMDS3_RX1-
5 DATA1_SHIELD
TMDS3_RX1+
4 DATA1+
3 DATA2- TMDS3_RX2-
2 DATA2_SHIELD
1 DATA2+ TMDS3_RX2+
KJA-ET-0-0032
JK303
+3.3V_MST
R315
68K
CEC_READY
Q303
R316
BSS83
56K
CEC_READY D303 CEC_READY
MMBD301LT1G
30V
D
CEC_READY
CEC_C
B
R313
G S 0
CEC
D304
CDS3C30GTH
30V CEC_READY
THE
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.
OPTION
SW_HPD : USE SW HPD (Default)
MST_HPD : USE MST HPD
+5V_MULTI
+5V_HDMI_3
D302
KDS184S
C300
R319 R320 0 . 0 1 u F
10K 10K
DDC_WP
DDC_SDA3
DDC_SCL3
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES