Read LG 50PT490B-SA / 50PT490B-SD (CHASSIS:PB11K) Service Manual online
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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.
L702
10.0uH
R704
10K
10K
READY
L701
10.0uH
/AMP_RESET
C703
0.1uF
50V
C702
0.1uF
50V
C718
0.22uF
50V
50V
C730
22pF
50V
22pF
50V
READY
R703
0
R710
22
R726
20
JP702
C719
0.22uF
50V
+3.3V
L703
10.0uH
Q700
2SC3052
READY
E
B
C
C706
0.1uF
50V
0.1uF
50V
R711
22
R707
10K
C725
1000pF
50V
AMP_DEMOD_SDA
C707
0.1uF
50V
0.1uF
50V
AUD_SCK
C716
100uF
25V
C722
0.22uF
50V
C729
100uF
25V
C726
1000pF
50V
C720
0.22uF
50V
IC700
STA368BWG
26
GND_PLL
27
XTI
28
BICKI
29
LRCKI
30
SDI
31
RESET
32
INT_LINE
33
SDA
34
SCL
35
GND_DIG_2
36
VDD_DIG_2
17
OUT3B/FFX3B
3
TEST_MODE
6
OUT2B
16
CONFIG
15
VDD
14
GND_REG
13
OUT1A
12
GND1
11
VCC1
10
OUT1B
9
OUT2A
8
VCC2
7
GND2
4
VSS
5
VCC_REG
2
SA
21
VDD_DIG_1
1
GND_SUB
20
TWARN/OUT4A
19
EAPD/OUT4B
18
OUT3A/FFX3A
23
PWRDN
24
VDD_PLL
25
FILTER_PLL
22
GND_DIG_1
3
7
[EP]GND
C728
100uF
25V
25V
C713
100uF
25V
R702
2.2
R709
0
C708 1uF
25V
AUD_LRCH
R701
2K
JP704
C733
22pF
50V
22pF
50V
READY
C723
1000pF
50V
R714
22
C711
0.1uF 50V
C717
0.22uF
50V
0.22uF
50V
C704
0.1uF
50V
C714
330pF
50V
R717
22
R716
22
C721
0.22uF
50V
R713
22
C724
1000pF
50V
JP703
C732
22pF
50V
22pF
50V
READY
17V
AC_DET
C709
0.1uF 50V
C715
330pF
50V
C700
0.1uF
16V
R708
0
READY
C701
4700pF
4700pF
50V
AUD_LRCK
AUD_MASTER_CLK
R715
22
C712
0.1uF
50V
R705
10K
READY
C705
680pF
680pF
50V
C710 1uF
25V
AMP_DEMOD_SCL
R727
20
AMP_MUTE
C731
22pF
50V
22pF
50V
READY
R700
2K
R712
22
R706
2K
P
7
0
0
S
M
A
W
2
5
0
-
H
0
4
R
1
2
3
4
L700
10.0uH
JP701
7 14
AUDIO AMP
EAX63425902(5)
Close-by
Close-by
ST Audio AMP
Close-by
Close-by
2010.10.21
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