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LG 32LD330C Service Manual page 20

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EAX61532102
LP91H
2SC3875S
Q301
R303
RT1C3904-T112
C
R301
10K
HPD_MST_2
B
E
SHIELD
20
HPD
19
18 +5V_POWER
17 DDC/CEC_GND
16 SDA
15 SCL
14 NC
CEC
13
12 CLK-
11 CLK_SHIELD
10 CLK+
9 DATA0-
8 DATA0_SHIELD
7 DATA0+
6 DATA1-
5 DATA1_SHIELD
4 DATA1+
3 DATA2-
2 DATA2_SHIELD
1 DATA2+
YKF45-7058V
JK302
R314
1K
C
RT1C3904-T112
R312
B
HPD_MST_3
2SC3875S
Q302
10K
E
JACK_GND
20
19 HPD
18 +5V_POWER
17 DDC/CEC_GND
JP304
16 SDA
JP305
15 SCL
14 NC
13 CEC
12 CLK-
11 CLK_SHIELD
10 CLK+
9 DATA0-
8 DATA0_SHIELD
7 DATA0+
6 DATA1-
5 DATA1_SHIELD
4 DATA1+
3 DATA2-
2 DATA2_SHIELD
1 DATA2+
KJA-ET-0-0032
JK303
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+5V_MULTI
+5V_HDMI_2
+5V_HDMI_2
D301
KDS184S
1K
IC301
CAT24C02WI-GT3
A0
VCC
C301
1
8
0.01uF
R309
R311
10K
10K
A1
WP
R327 100
2
7
A2
SCL
R304 100
3
6
VSS
SDA
R305 100
4
5
JP301
JP300
CEC
TMDS2_RXC-
TMDS2_RXC+
TMDS2_RX0-
TMDS2_RX0+
TMDS2_RX1-
TMDS2_RX1+
TMDS2_RX2-
TMDS2_RX2+
+5V_MULTI
+5V_HDMI_3
+5V_HDMI_3
D302
KDS184S
IC302
CAT24C02WI-GT3
A0
VCC
1
8
C300
0.01uF
R319
R320
25V
10K
10K
A1
WP
R329
100
2
7
A2
SCL
R317
100
3
6
VSS
SDA
R318
100
4
5
CEC
TMDS3_RXC-
TMDS3_RXC+
TMDS3_RX0-
TMDS3_RX0+
TMDS3_RX1-
TMDS3_RX1+
TMDS3_RX2-
TMDS3_RX2+
HPD_MST_1
DDC_WP
DDC_SDA2
DDC_SCL2
DDC_WP
DDC_SDA3
DDC_SCL3
+5V_HDMI_1
R302
1K
Q300
IC300
C
R300
10K
CAT24C02WI-GT3
B
RT1C3904-T112
2SC3875S
E
A0
VCC
1
8
A1
WP
R331 100
2
7
A2
SCL
R306 100
SHIELD
3
6
20
VSS
SDA
R307 100
4
5
HPD
19
18 +5V_POWER
17 DDC/CEC_GND
JP302
16 SDA
15 SCL
14 NC
JP303
13 CEC
CEC
12 CLK-
TMDS1_RXC-
11 CLK_SHIELD
CLK+
TMDS1_RXC+
10
DATA0-
TMDS1_RX0-
9
DATA0_SHIELD
8
DATA0+
TMDS1_RX0+
7
DATA1-
TMDS1_RX1-
6
DATA1_SHIELD
5
DATA1+
TMDS1_RX1+
4
3 DATA2-
TMDS1_RX2-
DATA2_SHIELD
2
DATA2+
TMDS1_RX2+
1
JK301
YKF45-7058V
Q303
BSS83
READY
G
OPTION
SW_HPD : USE SW HPD (Default)
MST_HPD : USE MST HPD
+5V_MULTI
+5V_HDMI_1
D300
KDS184S
R308
R310
C302
10K
10K
0.01uF
DDC_WP
DDC_SDA1
DDC_SCL1
+3.3V_MST
R315
68K
READY
R316
56K
D303
READY
MMBD301LT1G
30V
D
READY
CEC_C
B
R313
S
0
CEC
D304
CDS3C30GTH
30V READY
LD330/LD420
2009/12/23
HDMI
3
9
LGE Internal Use Only

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