Read LG 50PZ850-UA (CHASSIS:PU11A) 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.
R1005
0
JK1003
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R1004
75
R1080
1K
1K
D1022
30V
READY
R1092
82
82
READY
C1007
1000pF
50V
1000pF
50V
R1069
0
0
R1002
0
R1065
0
0
R1086
10K
10K
COMP1_Pb+
D1007
30V
30V
READY
D1012
5.6V
5.6V
COMP2_Y-
+3.3V
R1020
270
READY
R1070
0
0
R1081
10K
10K
+5V
COMP1_Y-
R1036
10K
C1016
47pF
50V
47pF
50V
R1084
4.7K
READY
D1009
5.6V
C1010
1000pF
50V
1000pF
50V
COMP2_Pr+
R1059
10K
R1072
470K
470K
R1051
100
100
C1022
22pF
22pF
R1043
12K
AV_CVBS
+3.3V
R1093
82
READY
C1014
820pF
820pF
R1061
10K
R1078
470K
470K
COMP2_DET
D1002
30V
30V
READY
R1055
100
100
Q1001
2SC3052
2SC3052
READY
E
B
C
COMP1_Pb-
C1000
100pF
50V
READY
R1019
1K
1K
R
1
0
3
7
4
7
0
K
C1015
820pF
820pF
D1005
30V
READY
D1011
5.6V
Q1000
2SC3052
2SC3052
READY
E
B
C
D1006
30V
30V
READY
+5V
R1000
0
0
R1042
12K
D1010
5.6V
R1098
0
0
READY
R1079
470K
COMP1_Pr+
D1020
30V
R
1
0
3
8
4
7
0
K
AV_CVBS_DET
C1004
10pF
50V
10pF
50V
READY
R1067
75
COMP2_Pb+
COMP2_Pb-
C1011
1000pF
50V
1000pF
50V
D1001
5.6V
R1074
75
COMP2_Y+
R1095
12K
COMP1_DET
R1077
10K
C1001
10pF
50V
10pF
50V
READY
C1005
10pF
50V
10pF
50V
READY
COMP1_Y+
+3.3V
R1075
470K
R1094
12K
12K
+5V
AV_RIN_COM1
D1003
30V
READY
R1097
270
+3.3V
C1024
10uF
16V
10uF
16V
R1060
1K
SIDE_LIN
JK1000
PPJ239-01
5J
[GN2]O-SPRING
6J
[GN2]E-LUG
4J
[GN2]CONTACT
7K
[BL2]E-LUG-S
5K
[BL2]O-SPRING
7L
[RD2]E-LUG-S
5L
[RD2]O-SPRING_1
5M
[WH2]O-SPRING
4N
[RD2]CONTACT
5N
[RD2]O-SPRING_2
6N
[RD2]E-LUG
6D
[GN1]E-LUG
5D
[GN1]O-SPRING
4D
[GN1]CONTACT
7E
[BL1]E-LUG-S
5E
[BL1]O-SPRING
7F
[RD1]E-LUG-S
5F
[RD1]O-SPRING_1
4F
[RD1]CONTACT_1
5G
[WH1]O-SPRING
4H
[RD1]CONTACT_2
5H
[RD1]O-SPRING_2
6H
[RD1]E-LUG
D1004
30V
READY
SIDE_RIN
R1071
0
0
COMP2_RIN
R1099
0READY
R1044
75
R1006
0
0
D1019
R1088
12K
12K
C1003
10pF
50V
10pF
50V
READY
R1085
10K
10K
R1082
10K
10K
D1000
5.6V
ADMC5M03200L_AMODIODE
D1021
R1062
1K
1K
R1076
75
C1013
0.1uF
16V
0.1uF
16V
READY
SIDE_CVBS_DET
JK1002
PPJ235-01
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]O-SPRING
3C
[RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
SIDE_CVBS_IN
+5V
D1008
5.6V
COMP1_Pr-
IC1000
NL17SZ00DFT2G
READY
3
GND
2
B
4
Y
1
A
5
VCC
R1040
10K
10K
AV_LIN_COM1
R1039
10K
10K
C1008
1000pF
50V
1000pF
50V
R1096
0 READY
SPDIF_OUT
R1003
0
C1009
0.47uF
25V
READY
C1023
0.1uF
50V
0.1uF
50V
C1002
10pF
50V
10pF
50V
READY
R1058
1K
COMP2_Pr-
C1006
10pF
50V
10pF
50V
READY
R1089
12K
R1021
0READY
R1083
3.6K
READY
R1073
75
R1001
75
COMP2_LIN
10 14
CVBS/COM1/2 JACK
EAX63425901(8)
AV_CVBS_DET
LOW
RESULT
HIGH
AV_CVBS
HIGH
LOW
NAND
GATE
GATE
HIGH
LOW
COMP1_DET
SPDIF
SIDE CVBS
LOW
COMP1_DET
HIGH
2010.09.13
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