Read LG 42SL90QR-MA (CHASSIS:LP91L) Service Manual online
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.
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.
TMDS3_RXC+
+5V_HDMI_1
TMDS3_RX2+
100
R304
HPD_MST_1
KDS184S
D300
A1
C
A2
TMDS3_RX0+
100
R327
DDC_SDA1
1K
R303
+5V_HDMI_3
CAT24C02WI-GT3
IC300
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
TMDS1_RX2+
TMDS2_RX1+
DDC_WP
TMDS3_RX1-
1K
R302
2SC3875S
RT1C3904-T112
Q300
E
B
C
10K
R312
SIDE_HDMI
+5V_HDMI_1
TMDS3_RX2-
2SC3875S
RT1C3904-T112
Q302
SIDE_HDMI
E
B
C
CEC
100
R318
TMDS2_RXC+
0 . 0 1 u F
C300
KDS184S
D301
A1
C
A2
HPD_MST_3
2SC3875S
RT1C3904-T112
Q301
E
B
C
J P 3 0 1
0 . 0 1 u F
C302
JP304
DDC_SDA3
+5V_HDMI_3
DDC_WP
100
R307
JP305
1K
R314
SIDE_HDMI
TMDS2_RXC-
TMDS1_RX0-
0 . 0 1 u F
C301
100
R329
DDC_WP
10K
R301
TMDS1_RX2-
TMDS2_RX1-
J P 3 0 2
TMDS1_RXC+
DDC_SCL2
TMDS1_RX0+
TMDS3_RXC-
+5V_HDMI_2
100
R306
TMDS3_RX0-
100
R331
CEC
+5V_MULTI
DDC_SCL1
+5V_MULTI
HPD_MST_2
TMDS2_RX2-
10K
R300
CAT24C02WI-GT3
IC301
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SCL3
DDC_SDA2
KDS184S
D302
A1
C
A2
CEC
TMDS3_RX1+
J P 3 0 0
TMDS1_RXC-
TMDS2_RX0-
+5V_MULTI
+5V_HDMI_2
100
R317
100
R305
CAT24C02WI-GT3
IC302
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
TMDS1_RX1+
J P 3 0 3
TMDS1_RX1-
TMDS2_RX2+
TMDS2_RX0+
CEC
0
R313
68K
CEC_READY
R315
CEC_C
MMBD301LT1G
30V CEC_READY
D303
CDS3C30GTH
30V CEC_READY
D304
+3.3V_MST
BSS83
Q303
CEC_READY
S
B
D
G
10K
R311
10K
R309
10K
R320
10K
R319
10K
R310
10K
R308
56000
R332
READY
J P 3 0 6
J P 3 0 7
J P 3 0 8
YKF45-7058V
JK301
14
13
5 DATA1_SHIELD
20
20
12
11
2 DATA2_SHIELD
19
18
10 CLK+
4 DATA1+
1 DATA2+
17
9 DATA0-
8 DATA0_SHIELD
3 DATA2-
16
7 DATA0+
6 DATA1-
15
YKF45-7060V
JK303
SIDE_HDMI
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
YKF45-7058V
JK302
14
13
5 DATA1_SHIELD
20
20
12
11
2 DATA2_SHIELD
19
18
10 CLK+
4 DATA1+
1 DATA2+
17
9 DATA0-
8 DATA0_SHIELD
3 DATA2-
16
7 DATA0+
6 DATA1-
15
MST_HPD : USE MST HPD
SW_HPD : USE SW HPD (Default)
OPTION
INPUT-HDMI
H6 SL90
3 1 2
2 0 0 9 / 0 6 / 0 2
EAX61337301
Mstar LED SL90
Mstar LED SL90
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