Scart / Component&Compsit; Scart Amp - LG 28LB45 series Service Manual

SCART / COMPONENT&COMPSIT
COMPONENT
6A
[GN/YL]E-LUG
5A
[GN/YL]O-SPRING
4A
[GN/YL]CONTACT
5B
[BL]O-SPRING
7C
[RD1]E-LUG-S
OPT
5C
[RD1]O-SPRING VA2800
5.6V
4C
[RD1]CONTACT
5D
[WH]O-SPRING
4E
[RD2]CONTACT
5E
[RD2]O-SPRING
6E
[RD2]E-LUG
PPJ245N2-01
JK2800
VA2801
5.6V
OPT
VA2802
5.6V
OPT
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
JK2801
PSC008-01
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED 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
ZD2800-*1
(OPT)ESD_COMP_ZENER_KEC
ZD2801-*1
(OPT)ESD_COMP_ZENER_KEC
COMP_Y+/AV_CVBS_IN
ESD_COMP_ZENER_KEC
+3.3V_Normal
5.6B
ZD2800
R2821
5.6B
75
ZD2801 1%
ESD_COMP_ZENER_KEC
R2824
10K
R2825
1K
AV_CVBS_DET
OPT
C2800
0.1uF
16V
COMP_Pb+
5.6B
ZD2802
R2800
5.6B
75
ZD2803
1%
COMP_Pr+
5.6B
ZD2804
R2801
+3.3V_Normal
5.6B 75
ZD2805 1%
R2828
10K
R2829
1K
COMP_DET
VA2803
5.6V
OPT
R2822
10K
COMP_L_IN
C2802 R2826
R2809
12K
1000pF 470K
50V
R2823
10K
COMP_R_IN
C2803 R2820 R2827
12K
1000pF 470K
50V
+3.3V_Normal
R2808
10K
R2810
1K
SCART1_DET
D2808
5.6V
OPT
SC1_CVBS_IN
R2807
75
C2801
1%
47pF
5.6B 50V
ZD2806
5.6B
ZD2807
D2811
D2810
20V
5.6V
ESD_SCART
R2806
ESD_SCART
75
D2812
1%
20V
R2802
D2813
75
20V
1%
ESD_SCART
D2814 R2803
20V
75
ESD_SCART
1%
R2804
D2815
470K
5.6V
ESD_SCART
D2817
R2805
5.6V
470K
ESD_SCART
D2818
5.6V
OPT
D2819
5.6V
OPT

SCART AMP

DTV/MNT_L_OUT
SCART1_Lout
+3.3V_Normal
OPT OPT
IC2802
C2809
MM1756DURE
0.1uF
OPT
16V
C2811
0.1uF
VCC IN 16V
6 1
DTV/MNT_VOUT
PS GND
5 2
OPT
R2816
75 OUT BIAS
4 3
C2810
4.7uF
OPT
L2607
220nH
R2830 C3484
C3485
75
68pF
68pF
50V
50V
R2815
22
R2811
SC1_R+ 75
1%
SC1_G+
R2814
15K
SC1_B+
R2817
D2816
3.9K
20V
ESD_SCART
R2812
10K
SC1_L_IN
R2818
C2806 12K
1000pF
50V
R2813
10K
SC1_R_IN
R2819
C2807
12K
1000pF
50V
DTV/MNT_L_OUT
C2804
1000pF
50V
DTV/MNT_R_OUT
C2805
1000pF
50V
+19V
C2817
IC2801 0.1uF
50V
AZ4580MTR-E1
R2861
2.2K OUT1 VCC
8
1
R2866
C2821
OPT 33K IN1- OUT2
7
10uF 2
R2865
16V 470K
IN1+ IN2-
6
3
R2868
C2823
10K
33pF
R2869
VEE IN2+
5
4
R2862
5.6K
330pF 220K
C2819 R2857
CLOSE TO MSTAR
0909 R.J.I
+3.3V_Normal
R2874
10K
SC1_FB Analog Switch
C
DSUB
B Q2000
MMBT3904(NXP)
E
LB45
R2873
0
Scaler Vsync
DSUB/SC1_VSYNC
SAR2(Amber_LED)
SC1_ID
MA55
COMPONENT/SCART
R2860
2.2K
DTV/MNT_R_OUT
R2867
C2822
33K
OPT 10uF
R2864
16V
470K
10K
C2824
33pF
R2863
5.6K
SCART1_Rout
R2858 C2820
220K
330pF
CLOSE TO MSTAR
2013/05/23
28
LGE Internal Use Only