50LN5420-TC (CHASSIS:LB36B) - LG TV Service Manual (repair manual). Page 29

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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.
COMP2_Pr+
AV2_CVBS_DET
R1714
10K
R1721
12K
R1715
10K
R1719
12K
AV2
R1713
1K
R1707
75
R1704
470K
R1700
470K
AV2
D1706
5.6V
OPT
R1712
1K
COMP2_Pb+
+3.3V_Normal
COMP2_DET
R1701
470K
AV2
R1705
75
R1709
10K
COMP2_R_IN
R1703
470K
D1709
5.6V
OPT
AV2_R_IN
D1702
5.6V
OPT
D1701
5.6V
AV2_LR_ZENER
C1701
1000pF
50V
OPT
R1716
10K
AV2
R1710
10K
C1704
1000pF
50V
OPT
R1706
75
COMP2_L_IN
R1711
1K
AV2
+3.3V_Normal
+3.3V_Normal
D1704
5.6V
COMP_LR_ZENER
R1702
75
AV2
D1700
5.6V
AV2_LR_ZENER
R1718
12K
AV2
R1708
10K
AV2
AV2_CVBS_IN
C1703
47pF
50V
AV2
COMP2_Y+/AV_CVBS_IN
C1702
1000pF
50V
OPT
R1720
12K
AV2_L_IN
R1717
10K
AV2
D1705
5.6V
COMP_LR_ZENER
AV_CVBS_DET
C1705
1000pF
50V
OPT
R1722
0
DTV/MNT_VOUT
R1723
75
CVBS_TEST
+3.3V_Normal
C1706
0.1uF
CVBS_TEST
C1707
0.1uF
CVBS_TEST
4.7uF
C1708
CVBS_TEST
JK1701
PPJ248-01 
COMP_AV1/2
6D
[GN]C-SPRING
7D
[GN]E-LUG
4D
[GN]CONTACT
5E
[BL]C-SPRING
8F
[RD1]E-LUG-S
6F
[RD1]C-SPRING
4F
[RD1]CONTACT
5G
[WH1]C-SPRING
4H
[RD2]CONTACT
6H
[RD2]C-SPRING
7H
[RD2]E-LUG
7A
[YL]E-LUG
6A
[YL]C-SPRING
4A
[YL]CONTACT
5B
[WH2]C-SPRING
4C
[RD3]CONTACT
6C
[RD3]C-SPRING
7C
[RD3]E-LUG
D1711
COMP_Y_ZENER_ROHM
D1703
COMP_Pr_ZENER_ROHM
D1712
COMP_Y_ZENER_ROHM
D1714
AV2_CVBS_ZENER_ROHM
D1713
AV2_CVBS_ZENER_ROHM
D1710
COMP_Pb_ZENER_ROHM
D1708
COMP_Pb_ZENER_ROHM
D1707
COMP_Pr_ZENER_ROHM
D1714-*1
AV2_CVBS_ZENER_KEC
D1713-*1
AV2_CVBS_ZENER_KEC
D1710-*1
COMP_Pb_ZENER_KEC
D1708-*1
COMP_Pb_ZENER_KEC
D1707-*1
COMP_Pr_ZENER_KEC
D1703-*1
COMP_Pr_ZENER_KEC
D1712-*1
COMP_Y_ZENER_KEC
D1711-*1
COMP_Y_ZENER_KEC
JK1702
PPJ245-01 
COMP_AV1
6A
[GN]C-SPRING
7A
[GN]E-LUG
4A
[GN]CONTACT
5B
[BL]C-SPRING
8C
[RD1]E-LUG-S
6C
[RD1]C-SPRING
4C
[RD1]CONTACT
5D
[WH]C-SPRING
4E
[RD2]CONTACT
6E
[RD2]C-SPRING
7E
[RD2]E-LUG
IC1700
MM1756DURE
CVBS_TEST
3
BIAS
2
GND
4
OUT
1
IN
6
VCC
5
PS
2012.08.14
NC4_S7LRM
REAR_NON_EU_L
COMPONENT
&
AV1
17
AV2
COMPONENT1 & AV(COMMON), AV2
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