Read LG 42LG80FR (CHASSIS:LP81G) 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.
1K
R319
+5V_HDMI_2
HDMI1_C-
HDMI1_0-
HPD_MST_2
HDMI1_C+
CEC_C
CEC
HDMI1_5V_DET
10K
R300
HDMI1_0+
+3.3V_MULTI_MST
1K
R310
CEC
HDMI1_1-
HDMI1_2-
HDMI2_5V_DET
10K
R324
+3.3V_MULTI_MST
+5V_HDMI_2
HPD_MST_1
CEC
BSS83
Q306
S
B
D
G
+5V_ST
0
R356
+5V_HDMI_1
0
R358
HDMI1_1+
0.01uF
50V
READY
C307
KDS184S
KDS184
D300
A2
C
A1
10K
R329
HDMI1_2+
+5V_HDMI_1
0
R357
0
R355
+5V_ST
10K
R301
+5V_HDMI_1
0
R347
+5V_HDMI_2
0
R345
0
R346
CDS3C30GTH
30V
D302
READY
KDS184S
KDS184
D301
A2
C
A1
0
R350
47K
R330
47K
R331
47K
R326
47K
R327
0
READY
R376
M M
B D
3 01
L T
1 G
30V
D304
A
C
HDMI2_SDA HDMI2_SCL
HDMI1_SDA HDMI1_SCL
0
READY
R383
0.01uF
50V
C301
0.01uF
50V
C300
51K
R333
30K
R334
READY
JP1117
JP1118
JP1119
JP1120
2SC3875S
RT1C3904-T112
Q300
E
B
C
2SC3875S
RT1C3904-T112
Q301
E
B
C
200
R332
QJ41193-FEE2-7F
JK302
1
DATA2+
2
DATA2_SHIELD
3
DATA2-
4
DATA1+
5
DATA1_SHIELD
6
DATA1-
7
DATA0+
8
DATA0_SHIELD
9
DATA0-
1
0
CLK+
11
CLK_SHIELD
12
CLK-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC_GND
18
+5V_POWER
19
HPD
20
JACK_GND
21
.
22
.
QJ41193-FEE2-7F
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
CLK_SHIELD
12
CLK-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC_GND
18
+5V_POWER
19
HPD
20
JACK_GND
21
.
22
.
AT24C02BN-10SU-1.8
IC300
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
AT24C02BN-10SU-1.8
IC301
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
100
R323
100
R322
100
R320
100
R321
22
R381
22
R379
22
R380
HDMI2_0+
HDMI2_0-
HDMI2_2-
HDMI2_1-
HDMI2_2+
HDMI2_C-
HDMI2_1+
HDMI2_C+
0
R304
0
R302
0
R305
0
R307
0
R309
0
R308
0
R303
0
R306
22
R382
18K
R328
18K
R325
HDMI
3 11
H5 LG80
OPTION
SW_HPD : USE SW HPD (Default)
MST_HPD : USE MST HPD
**MULTI ITEM
1.24C02-SUB:0IMMRAL014D
2.SMD HDMI Jack-SUB:6612B00015B
EAX50659401
MSTAR LP81G
2008/02/20
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