Read LG 50PT490B-SA / 50PT490B-SD (CHASSIS:PB11K) 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.
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.
C686
0.01uF
EXTERNAL_DEMOD
R622
100
EXTERNAL_DEMOD
TUNER_IF_N
C693
0.1uF
16V
16V
EXTERNAL_DEMOD
IF_P_MSTAR
R639
2.7K
EXTERNAL_DEMOD
C691
10uF
6.3V
10uF
6.3V
READY
C675
30pF
50V
30pF
50V
EXTERNAL_DEMOD
/DEMOD_RESET
R641
2.2K
EXTERNAL_DEMOD
R630
22
EXTERNAL_DEMOD
R601
1.2K
R603
0
1/16W
5%
INTERNAL_DEMOD
AMP_DEMOD_SCL
R631
22
EXTERNAL_DEMOD
C666
0.1uF
EXTERNAL_DEMOD
R626
10K
EXTERNAL_DEMOD
C680
0.1uF
0.1uF
16V
EXTERNAL_DEMOD
IC602
MN884433
EXTERNAL_DEMOD
1
VSS_1
2
AVDD_S
3
AII_S
4
AIQ_S
5
AVSS_S
6
VRT_S
7
VRB_S
8
TCPO_S
9
VDDL_1
10
MSCL_S
11
MSDA_S
12
VSS_2
13
VSSH
14
PSEL
15
ZSEL
16
VDDL_2
17
ACKI
18
TCPO_T
19
IR_T
20
VRT_T
21
VRB_T
22
AVDD_T
23
AIN_T
24
AIP_T
25
AVSS_T
26
VSS_3
27
MSCL_T
28
MSDA_T
29
VDDH_1
30
GPO1
31
AGCI_T
32
AGCR_T
33
GPO0
34
VDDL_3
35
VSS_4
36
XO
37
XI
38
VDDH_2
39
GPI1
40
GPI0
41
TEST4
42
SHVPP
43
SHVDDH
44
NC_1
45
VSS_5
46
VDDL_4
47
TCK
48
TDI
49
NRST
50
TEST3
51
VSS_6
52
VDDL_5
53
TRST
54
TMS
55
CSEL0
56
CSEL1
57
TDO
58
SYNCA
59
ERRA
60
SYNCB
61
ERRB
62
VSS_7
63
VDDL_6
64
SADR_T
65
NC_2
66
SADR_S
67
HDVDDL0
68
VSS_8
69
SDA
70
SCL
71
VDDH_3
72
SADR
73
INTA
74
INTB
75
VSS_9
76
TEST1
77
TEST2
78
SCKA
79
GPI2
80
SDOA
81
PCKA
82
DENA
83
VDDH_4
84
VSS_10
85
HDVPP
86
RON
87
NC_3
88
HDVDDH
89
NC_4
90
HDVDDL1
91
VSS_11
92
VDDL_7
93
SCKB
94
TEST0
95
SDOB
96
PCKB
97
DENB
98
GPO2
99
VDDH_5
100
AGC_S
C682
0.1uF
EXTERNAL_DEMOD
C692
0.1uF
16V
16V
READY
C694
0.1uF
0.1uF
16V
EXTERNAL_DEMOD
C690
0.1uF
0.1uF
16VEXTERNAL_DEMOD
IF_N_MSTAR
C664
0.1uF
EXTERNAL_DEMOD
R627
1M
1M
EXTERNAL_DEMOD
IC600
KIA1117ST00
1
GND/ADJ
2
OUT
3
IN
C673
0.1uF
0.1uF
EXTERNAL_DEMOD
C669
0.1uF
EXTERNAL_DEMOD
C667
0.1uF
EXTERNAL_DEMOD
R632
22
EXTERNAL_DEMOD
C679
0.1uF
0.1uF
16V
EXTERNAL_DEMOD
R643
22
EXTERNAL_DEMOD
R602
10
R604
0
1/16W
5%
INTERNAL_DEMOD
+1.2V_DE
R624
2.2K
EXTERNAL_DEMOD
FE_TS_SERIAL
C696
0.1uF
16V
0.1uF
16V
EXTERNAL_DEMOD
+3.3V
X602
25MHz
EXTERNAL_DEMOD
R642
22
EXTERNAL_DEMOD
C684
0.1uF
EXTERNAL_DEMOD
+3.3V_DE
C681
0.1uF
EXTERNAL_DEMOD
C688
1uF
EXTERNAL_DEMOD
C671
0.1uF
16V
16V
EXTERNAL_DEMOD
AMP_DEMOD_SDA
R625
2.2K
EXTERNAL_DEMOD
R640
2.2K
EXTERNAL_DEMOD
FE_TS_CLK
ISDB_IF_AGC
R621
10K
10K
1%
EXTERNAL_DEMOD
C663
0.1uF
EXTERNAL_DEMOD
TUNER_IF_P
+3.3V_DE
+3.3V_DE
+1.2V_DE
FE_TS_VLD
C683
0.1uF
EXTERNAL_DEMOD
C689
0.1uF
EXTERNAL_DEMOD
R633
22
EXTERNAL_DEMOD
C672
0.1uF
16V
EXTERNAL_DEMOD
C652
10uF
6.3V
10uF
6.3V
FE_TS_SYN
C697
10uF
6.3V
10uF
6.3V
C676
30pF
50V
30pF
50V
EXTERNAL_DEMOD
C668
0.1uF
EXTERNAL_DEMOD
C685
0.1uF
EXTERNAL_DEMOD
C677
0.1uF
0.1uF
16V
EXTERNAL_DEMOD
C687
1uF
EXTERNAL_DEMOD
C678
0.1uF
16V
EXTERNAL_DEMOD
C670
0.1uF
16V
EXTERNAL_DEMOD
R623
100
EXTERNAL_DEMOD
C665
0.1uF
EXTERNAL_DEMOD
C674
0.1uF
16V
EXTERNAL_DEMOD
L609
MLB-201209-0120P-N2
EXTERNAL_DEMOD
C695
0.1uF
16V
EXTERNAL_DEMOD
6 14
BRAZIL DEMODULATOR
EAX63425902(5)
R1
R2
Close to R622,R623
2010.10.21
V
BRAZIL DEMODULATOR
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