LG 42PT250B Service Manual page 20

JK2001
PPJ239-01
[RD1]E-LUG
6H
[RD1]O-SPRING_2
5H
[RD1]CONTACT_2
4H
[WH1]O-SPRING
5G
[RD1]CONTACT_1
4F
[RD1]O-SPRING_1
5F
[RD1]E-LUG-S
7F
[BL1]O-SPRING
5E
[BL1]E-LUG-S
7E
[GN1]CONTACT
4D
[GN1]O-SPRING
5D
[GN1]E-LUG
6D
[RD2]E-LUG
6N
[RD2]O-SPRING_2
5N
[RD2]CONTACT
4N
[WH2]O-SPRING
5M
[RD2]O-SPRING_1
5L
[RD2]E-LUG-S
7L
[BL2]O-SPRING
5K
[BL2]E-LUG-S
7K
[GN2]CONTACT
4J
[GN2]O-SPRING
5J
[GN2]E-LUG
6J
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
+3.3V
R2004
10K
AV_CVBS2_DET
R2005
1K
+3.3V
R2006
10K
1K
R2007
+3.3V
R2001
10K
R2003
1K
COMP1_DET
COMP2_DET
R2027
10K
C2009
R2020 R2034
470K 1000pF 12K
50V
R2026
10K
C2003
R2032
R2017
1000pF
12K
470K
50V
READY
R2018 C2011
75
10pF
50V
READY
C2006
75 10pF
R2016
50V
READY
C2012
75
10pF
R2019
50V
R2028
10K
R2022
C2010
470K R2035
1000pF
12K
50V
R2029
10K
R2021 C2007
R2033
470K 1000pF 12K
50V
C2004 READY
R2025
75 10pF
50V
C2008
R2023
75 10pF
50V
READY
READY
C2005
R2024
75 10pF
50V
AV_RIN_COM2
AV_LIN_COM2
COMP2_Pr+
COMP2_Pb+
COMP2_Y+
AV_RIN_COM1
AV_LIN_COM1
COMP1_Pr+
COMP2_DET AV_CVBS_DET
COMP1_Pb+
HIGH HIGH
HIGH LOW
COMP1_Y+
LOW HIGH
LOW LOW
GP4 LM1
USB / LVDS
RESULT
COMP2_DET
AV_CVBS
20110303
6 7
LGE Internal Use Only