Read LG 19LH20R (CHASSIS:LP91A) Service Manual online
TMDS3_RX2-
+5V_HDMI_2
TMDS3_RXC-
HPD_MST_2
TMDS3_RX0+
TMDS2_RX2-
CEC TMDS2_RXC-
TMDS2_RXC+
TMDS1_RXC-
TMDS2_RX0+
TMDS3_RX0-
TMDS3_RX1+
TMDS3_RXC+
+5V_HDMI_2
HPD_MST_1
CEC
TMDS1_RX2+
TMDS2_RX1+
+5V_MULTI
+5V_HDMI_1
TMDS3_RX2+
TMDS2_RX0-
TMDS1_RX1-
TMDS2_RX1-
TMDS1_RX2-
+5V_HDMI_3
TMDS3_RX1-
+5V_MULTI
+5V_HDMI_3
+5V_MULTI
+5V_HDMI_1
TMDS1_RX0-
TMDS1_RX1+
CEC
TMDS1_RX0+
TMDS2_RX2+
TMDS1_RXC+
HPD_MST_3
DDC_SDA2 DDC_SCL2
DDC_SDA1 DDC_SCL1
DDC_SDA3 DDC_SCL3
JP304
JP305
JP301
JP300
JP302
JP303
2SC3875S
RT1C3904-T112
Q301
E
B
C
2SC3875S
RT1C3904-T112
Q300
E
B
C
2SC3875S
RT1C3904-T112
Q302
E
B
C
KJA-ET-0-0032
JK303
14
NC
1
3C
EC
5
DATA1_SHIELD
20
JACK_GND
1
2C
L
K
-
11
CLK_SHIELD
2
DATA2_SHIELD
1
9
HPD
1
8
+5V_POWER
1
0C
L
K
+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
1
6
SDA
7
DATA0+
6
DATA1-
1
5
SCL
KDS184S
D300
A1
C
A2
KDS184S
D301
A1
C
A2
KDS184S
D302
A1
C
A2
CAT24C02WI-GT3
IC301
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CAT24C02WI-GT3
IC302
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CAT24C02WI-GT3
IC300
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_WP
DDC_WP
DDC_WP
BSS83 CEC_READY
Q303
S
B
D
G
CEC
+3.3V_MST
CEC_C
CDS3C30GTH 30
V
C
EC_READY
D304
MMBD301LT1G 30V CEC_READY
D303
10K
R301
1K
R303
0.01uF
C300
10K
R300
1K
R302
100
R329
1K
R314
10K
R312
68K CEC_READY
R315
0
R313
100
R317
100
R318
100
R305
100
R304
0.01uF
C301
100
R331
100
R306
100
R307
0.01uF
C302
100
R327
10K
R308
10K
R310
10K
R309
10K
R311
10K
R319
10K
R320
QJ41193-CFEE1-7F
JK301
1
DATA2+
2
DATA2_SHIELD
3
DATA2-
4
DATA1+
5
DATA1_SHIELD
6
DATA1-
7
DATA0+
8
DATA0_SHIELD
9
DATA0-
10
CLK+
11
12
13
14
15
16
17
18
19
20
JACK_GND
21
.
22
QJ41193-CFEE1-7F
JK302
1
DATA2+
2
DATA2_SHIELD
3
DATA2-
4
DATA1+
5
DATA1_SHIELD
6
DATA1-
7
DATA0+
8
DATA0_SHIELD
9
DATA0-
10
CLK+
11
12
13
14
15
16
17
18
19
20
JACK_GND
21
.
22
56K CEC_READY
R316
OPTION
SW_HPD : USE SW HPD (Default)
MST_HPD : USE MST HPD
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
Click on the first or last page to see other 19LH20R (CHASSIS:LP91A) service manuals if exist.