LG 42LB55 series Service Manual page 47

SCART_COMPONENT
COMPONENT
JK2802
PPJ245N2-01
[RD2]E-LUG
6E
VA2804
[RD2]O-SPRING 5.6V
5E
OPT
[RD2]CONTACT
4E
VA2803
[WH]O-SPRING
5D 5.6V
OPT
[RD1]CONTACT
4C
[RD1]O-SPRING
5C
VA2802
[RD1]E-LUG-S 5.5V
7C
ESD_COMP
[BL]O-SPRING
5B
VA2801
[GN/YL]CONTACT 5.5V
4A
ESD_COMP
[GN/YL]O-SPRING
5A
VA2800
[GN/YL]E-LUG 5.6V
6A
OPT
D2800-*1 D2800
ESD_COMP_ZENER_ROHM
ESD_COMP_ZENER_KEC
D2801-*1 D2801
ESD_COMP_ZENER_ROHM
ESD_COMP_ZENER_KEC
FULL SCART
AV_DET
22
COM_GND
21
SYNC_IN
20
SYNC_OUT
19
SYNC_GND2
18
SYNC_GND1
17
RGB_IO
16
R_OUT
15
RGB_GND
14
R_GND
13
D2B_OUT
12
G_OUT
11
D2B_IN
10
G_GND
9
ID
8
B_OUT
7
AUDIO_L_IN
6
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3
AUDIO_R_IN
2
AUDIO_R_OUT
1
EU
JK2801
PSC008-01
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 © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
R2811
10K
COMP2_R_IN
R2803 R2816
12K
470K
R2810
10K
COMP2_L_IN
R2815
R2802
12K
470K +3.3V_Normal
R2817 R2818
10K 1K
COMP2_DET
VA2816
COMP2_Pr+
5.6V
R2801
OPT
75
COMP2_Pb+
R2800
+3.3V_Normal
75
R2814
R2812
1K
10K
AV_CVBS_DET
OPT
C2800
0.1uF
16V
COMP2_Y+/AV_CVBS_IN
R2804
75
+3.3V_Normal
R2819
10K
R2820 1K
SC1/COMP1_DET
EU
VA2815
5.6V R2850 1K
AV2_CVBS_DET
OPT
AV2
SC1/AV2_CVBS_IN
EU
OPT
R2813
C2801
75
47pF
50V
VA2807
5.5V
ESD_SCART
EU
VA2808
VA2814
R2821
20V
5.6V 75
ESD_SCART
ESD_SCART
R2807
VA2810
75
20V
VA2811 R2808
20V
75
ESD_SCART
VA2812
20V R2805
75
ESD_SCART
R2823
0
R2806
EU
VA2813
470K
5.6V
ESD_SCART
AV2_L_IN_A
R2858
VA2809
0
5.6V
EU
R2809
ESD_SCART
470K
AV2_R_IN_A
EU
VA2806 C2813
5.6V 1000pF
50V
OPT
EU
VA2805 C2814
5.6V 1000pF
OPT 50V
SCART AMP
EU
R2831
2.2K
DTV/MNT_L_OUT
EU
EU
R2834
C2804
OPT 33K
10uF
R2832
16V 470K
EU
C2807
33pF
EU
R2835
5.6K
SCART1_Lout
330pF 220K
R2833
C2806
EU
EU
CLOSE TO MSTAR
EU
L2800
CM2012FR22KT
220nH
DTV/MNT_VOUT
EU EU
C2815 C2816
68pF 68pF
EU
50V 50V
R2827
22
SC1_FB
SC1_R+/COMP1_Pr+
EU
R2822
75
SC1_G+/COMP1_Y+
EU
R2824
15K
SC1_ID
EU
SC1_B+/COMP1_Pb+
R2828
VA2817
3.9K
20V
ESD_SCART
EU
R2826
10K
SC1/COMP1_L_IN
R2829
12K
EU
R2825
10K
SC1/COMP1_R_IN
R2830
12K
DTV/MNT_L_OUT
DTV/MNT_R_OUT
+12V
EU
C2808
IC2801 0.1uF
50V
AZ4580MTR-E1
OUT1 VCC
8
1
EU
EU
R2844
IN1- OUT2 2.2K
7
2
EU
R2841
EU IN1+ IN2- 33K
6
3 OPT
R2836
10K R2843
EU
470K
R2839
VEE IN2+ 10K
5
4 EU
C2810
33pF
EU
R2840
5.6K
EU EU
R2842 C2811
220K
330pF
CLOSE TO MSTAR
[SCART AUDIO MUTE]
DTV/MNT_L_OUT SCART_MUTE
SCART_MUTE
R2837
R2845
2K
SCART_MUTE
Q2802
MMBT3904(NXP)
SCART_MUTE
DTV/MNT_R_OUT
R2838 SCART_MUTE
2K C2809
SCART_MUTE
0.1uF
Q2803
MMBT3904(NXP)
AV2
JK2803
PPJ231-01
4
AV2_R_IN_A AV2_R_IN_A
R2846
0
5
AV2
VA2818
AV2_L_IN_A
5.6V
AV2_LR_ZENER
7
8
AV2_L_IN_A
R2849
R2848
6 0
0
AV2
EU VA2819
5.6V
AV2_LR_ZENER
R2847
0
AV2
ZD2800-*1 ZD2800
AV2_CVBS_ZENER_KEC AV2_CVBS_ZENER_ROHM
ZD2801-*1 ZD2801
AV2_CVBS_ZENER_KEC AV2_CVBS_ZENER_ROHM
AV2
L14_M1A
SCART_ COMPONENT
DTV/MNT_R_OUT
EU
C2812
10uF
16V
SCART1_Rout
+3.5V_ST
10K
SCART1_MUTE
R2851
10K
AV2_R_IN
AV2
R2853
R2854 C2817
12K
470K 1000pF
AV2
AV2 50V
OPT
R2852
10K
AV2_L_IN
AV2
R2855
R2856 C2818
12K
470K 1000pF
AV2
AV2 50V
OPT
AV2_CVBS_DET
VA2820
5.6V
OPT
SC1/AV2_CVBS_IN
AV2
C2819
R2857
47pF
75
50V
1608 AV2
1%
Size Check !!!
2013.07.24
28
LGE Internal Use Only