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.
100
R507
READY
+5V_TUNER
0.027uF
C512
4.7uF
35V
C510
READY
AM_AUDIO
27pF
C502
4.7K
R503
0.01uF
C503
+5V_TUNER
0.1uF
C520
+5V_TUNER
0
R545
220
R522
270pF
C513
READY
1K
R513
27pF
C501
MAIN_SIF
1K
R515
TV_MAIN
0.01uF
C507
READY
OPT
READY
R553
SCL_TUNER
SDA_TUNER
+5V_TUNER
4.7K
R504
4.7K
R508
0
R514
330
R506
330
R505
4700pF
C506
220
R521
2SA1530A-T112-1R
Q502
E
B
C
RT1C3904-T112
Q501
E
B
C
0
R519
0
R518
TAFT-Z703D
TU500
NON EU TUNER
14
AFT
13
V-OUT
5
RF_AGC
12
NC_4
11
A
S
2
GND_1
19
NC_7
18
NC_6
10
CLOCK
4
N
C_2
1
N
C_1
17
NC_5
9
DATA
8
GND_2
3
+B[5V]
16
SIF-OUT
7
N
C_3
6
TP[33V_OPTION]
15
A-OUT
21
SHIELD
20
NC_8
BLM18BD102SN1D
L502
READY
TAFT-H703F
TU500-*1
NTSC TUNER
14
AFT
13
V-OUT
5
RF_AGC
12
NC_4
11
AS
2
GND_1
19
NC_7
18
NC_6
10
CLOCK
4
NC_2
1
NC_1
17
NC_5
9
DATA
8
GND_2
3
+B[5V]
16
SIF-OUT
7
NC_3
6
TP[33V_OPTION]
15
A-OUT
21
SHIELD
20
NC_8
UBW2012-121F
120OHM
L501
10uF
16V
C521
TUNER
5
1
1
H5 LG80
EAX50659401
MSTAR LP81G
Near the pin
2008/02/20
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