Read LG 19LH20R (CHASSIS:LP91A) Service Manual online
MAIN_SIF
0.01uF
C501
M_SDA
27pF
C500
+5V_TUNER
TV_MAIN
M_SCL
+5V_TUNER
C504
READY
27pF
C502
10uH
L502
READY
82pF
C507
READY
10uF
16V
C508
120-ohm
L500
READY
ISA1530AC1
Q502
E
B
C
TAFT-H203F
TU500-*1
NTSC_TUNER
14
NC_5
13
V-OUT
5
RF_AGC
12
NC_4
11
MOPLL_AS
2
GND_1
19
NC_8
18
NC_7
10
SCL
4
NC_2
1
NC_1
17
NC_6
9
SDA
8
GND_2
3
+B[5V]
16
SIF-OUT
7
NC_3
6
TP[3.3V_OPT]
15
A-OUT
21
SHIELD
20
NC_9
TAFT-Z203D
TU500
PAL_TUNER
14
NC_5
13
V-OUT
5
RF_AGC
12
NC_4
11
MOPLL_AS
2
GND_1
19
NC_8
18
NC_7
10
SCL
4N
C
_2
1N
C
_1
17
NC_6
9
SDA
8
GND_2
3
+B[5V]
16
SIF-OUT
7N
C
_3
6
TP[3.3V_OPT]
15
A-OUT
21
SHIELD
20
NC_9
4.7K
R502
220
R506
220
R507
100uF
16
V
C505
100uF
16
V
C509
100uF
16
V
C506
120-ohm
L501
47
R504
47
R505
0.1uF
50V
C503
0
L501-*1
0 Ohm
Near the pin
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.
TUNER
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