Read LG 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) 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.
+5V_HDMI_2
HPD_MST_2
TMDS2_RX2-
CEC
TMDS2_RXC-
TMDS2_RXC-
TMDS2_RXC+
TMDS1_RXC-
TMDS2_RX0+
+5V_HDMI_2
HPD_MST_1
CEC
TMDS1_RX2+
TMDS2_RX1+
+5V_MULTI
+5V_HDMI_1
TMDS2_RX0-
TMDS1_RX1-
TMDS2_RX1-
TMDS1_RX2-
+5V_MULTI
+5V_HDMI_1
TMDS1_RX0-
TMDS1_RX1+
TMDS1_RX0+
TMDS2_RX2+
TMDS1_RXC+
DDC_SDA2
DDC_SCL2
DDC_SDA1
DDC_SCL1
JP301
JP300
JP302
JP303
Q301
2SC3875S
RT1C3904-T112
E
B
C
Q300
2SC3875S
RT1C3904-T112
E
B
C
D300
KDS184S
KDS184S
A
1
C
A
2
D301
KDS184S
KDS184S
A
1
C
A
2
IC301
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC300
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_WP
DDC_WP
BSS83
Q303
READY
S
B
D
G
CEC
+3.3V_MST
CEC_C
D304
30V READY
CDS3C30GTH
D303
30V
MMBD301LT1G
READY
R301
10K
R303
1K
R300
10K
R302
1K
R315
68K
READY
R313
0
R305
100
R304
100
C301
0.01uF
0.01uF
R331
100
R306
100
R307
100
C302
0.01uF
0.01uF
R327
100
R308
10K
R310
10K
R309
10K
R311
10K
R316
56K
READY
JK302
YKF45-7058V
14
NC
13
CEC
5 DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2 DATA2_SHIELD
19
HPD
18
+5V_POWER
10 CLK+
4 DATA1+
1 DATA2+
17
DDC/CEC_GND
9 DATA0-
8 DATA0_SHIELD
3 DATA2-
16
SDA
7 DATA0+
6 DATA1-
15
SCL
JK301
YKF45-7058V
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
R319
10K
10K
+5V_HDMI_3
+5V_MULTI
TMDS3_RX1-
DDC_SCL3
HPD_MST_3
Q302
2SC3875S
RT1C3904-T112
E
B
C
TMDS3_RX0+
+5V_HDMI_3
R312
10K
DDC_WP
R318
100
TMDS3_RXC+
JK303
KJA-ET-0-0032
14
NC
13
CEC
5
DATA1_SHIELD
20
JACK_GND
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
JP305
TMDS3_RXC-
DDC_SDA3
R320
10K
10K
R314
1K
TMDS3_RX1+
CEC
TMDS3_RX2+
R317
100
JP304
C300
0.01uF
25V
0.01uF
25V
TMDS3_RX2-
R329
100
IC302
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D302
KDS184S
A
1
C
A
2
TMDS3_RX0-
HDMI
3 9
2009/12/23
OPTION
SW_HPD : USE SW HPD (Default)
MST_HPD : USE MST HPD
LD330/LD420
LP91H
EAX61532102
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