LG 50PK550 Service Manual page 17

COMPONENT1/2,AV1
JK1001
PPJ237-01
[RD1]E-LUG
6C
[RD1]O-SPRING
5C
ZD1032
5.1V
[RD1]CONTACT ZD1033
4C
5.1V
C1004
[WH1]O-SPRING
5B
ZD1011
5.1V
[YL1]CONTACT
ZD1010
4A
5.1V
C1003
[YL1]O-SPRING
5A
ZD1008
5.1V
[YL1]E-LUG
ZD1009
6A
5.1V
[RD2]E-LUG
6H
ZD1006
5.1V
ZD1007
[RD2]O-SPRING_2
5.1V
5H
[RD2]CONTACT
4H
[WH2]O-SPRING
5G
[RD2]O-SPRING_1
5F
[RD2]E-LUG-S
7F
[BL2]O-SPRING
5E
[BL2]E-LUG-S
7E
[GN2]CONTACT
4D
[GN2]O-SPRING
5D
[GN2]E-LUG
6D
[RD3]E-LUG
6N
[RD3]O-SPRING_2
5N
[RD3]CONTACT
4N
[WH3]O-SPRING
5M
[RD3]O-SPRING_1
5L
[RD3]E-LUG-S
7L
[BL3]O-SPRING
5K
[BL3]E-LUG-S
7K
[GN3]CONTACT
4 J
[GN3]O-SPRING
5 J
[GN3]E-LUG
6 J
SIDE_AV
ZD1038 D3.3V
5.1V
5A ZD1039
[YL]E-LUG
5.1V R1002
2.7K
4A
[YL]O-SPRING
ZD1005
5.1V
C1000
3A [YL]CONTACT
ZD1004 100pF
5.1V 50V
4B
[WH]O-SPRING
3C [RD]CONTACT
ZD1003
5.1V
4C
[RD]O-SPRING
ZD1002
5.1V
5C
[RD]E-LUG
PPJ235-01
JK1000
ZD1000
5.1V
ZD1001
5.1V
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.
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
AV 1
D3.3V
COMPONENT2
D3.3V
R1012
2.7K
R1013
001:H2
1K R1018
C1007
2.7K
COMPOSITE1_SW 1K
100pF
COMP2_SW
50V
R1019
ZD1034 C1017
5.1V 100pF
1uF
50V
ZD1035
AV_R_IN_1
5.1V
C1011
002:A5
100pF
READY
1uF
AV_L_IN_1
C1010
002:A5
100pF
C1016
READY
1uF
003:B4 ZD1020
C1006
5.1V
C1022
47pF
ZD1021 100pF
50V
COMPOSITE1_IN READY
5.1V
C1015
1uF
ZD1019
C1021
5.1V
100pF
ZD1018
READY
5.1V
270nH
ZD1017
5.1V
ZD1016
5.1V
270nH
ZD1014
5.1V
ZD1015
5.1V
270nH R1020
10
ZD1012
5.1V
ZD1013
5.1V
COMPOSITE2_IN
C1005
47pF
50V
R1003
SIDEAV_DET
1K
SIDE_LIN
C1009
1uF
100pF
C1002
READY
SIDE_RIN
C1008
1uF
100pF
C1001
READY
001:H3
002:A5
COMP_R_IN_2
002:A5
COMP_L_IN_2
COMPONENT1
COMP2_Pr
D3.3V
003:B3
R1024
2.7K
R1026
COMP2_Pb
COMP1_SW 1K
COMP1_SW
003:B4 C1028
ZD1036
001:H3
100pF
5.1V
50V
ZD1037
5.1V
C1027
COMP2_Y
1uF
003:B3
002:A5
COMP_R_IN_1
ZD1031
READY
5.1V C1033
100pF
ZD1030
5.1V
C1026
1uF
002:A5
COMP_L_IN_1
READY
ZD1028
C1032
5.1V
100pF
ZD1029
5.1V
270nH
COMP1_Pr
ZD1027
003:B3
5.1V
ZD1025
5.1V
270nH
COMP1_Pb
003:B3
ZD1026
5.1V
ZD1024
5.1V
R1027
270nH
10
COMP1_Y
003:B3
ZD1023
5.1V
ZD1022
5.1V
SPDIF
D3.3V D3.3V
C1034 C1035
READY
IC1000 0 . 1 u F 10uF
NL17SZ00DFT2G
50V
16V
READY
A VCC
1 5
NAND
READY
B
GATE R1030
2
100
GND Y
3 READY 4
C1036
R1029 22pF
100
SPDIF_OUT
EAX61354901
JACK
JK1002
JST1223-001
GND
VCC
VINPUT
FIX_POLE
9 1 3
LGE Internal Use Only