LG Electronics 28LN45 Flat Panel Television User Manual


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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.
SCART&COMP
2013.1.14
28 13
SB_MUTE
+3.3V_ST
MMBT3904(NXP)
Q2802
OPT(EU_SCART mute)
C2816
0.1uF
OPT(EU_SCART mute)
D2819
MMBD6100
OPT(EU_SCART mute)
A2
C
A1
R2839
2K
OPT(EU_SCART mute)
Q2804
MMBT3906(NXP)
OPT(EU_SCART mute)
1
2
3
DTV/MNT_R_OUT
SCART1_MUTE
R2844
10K
OPT(EU_SCART mute)
DTV/MNT_L_OUT
R2840
2K
OPT(EU_SCART mute)
MMBT3904(NXP)
Q2803
OPT(EU_SCART mute)
SCART1_Rout
R2846
2.2K
R2847
2.2K
C2824
33pF
R2851
470K
SCART1_Lout
C2819
330pF
R2849
5.6K
C2822
10uF
16V
R2854
10K
DTV/MNT_R_OUT
R2845
220K
C2821
10uF
16V
DTV/MNT_L_OUT
R2848
5.6K
IC2800
AZ4580MTR-E1
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
C2820
330pF
R2843
220K
R2850
470K
C2823
33pF
R2855
10K
C2838
1000pF
50V
COMP_Y+/AV_CVBS_IN
D2803
20V
L2810-*1
0
SCART_NON_ADC_FILTER
SCART1_DET
ZD2800
5.6B
L2807-*1
0
COMP_NON_ADC_FILTER
C2804
1000pF
50V
C2826
47pF
50V
(OPT)COMP_ADC_FILTER
R2837
10K
L2805-*1
0
COMP_NON_ADC_FILTER
R2805
470K
ZD2806
5.6B
C2841
1000pF
50V
D2818
5.6V
OPT
C2812
0.1uF
R2802
75
C2811
47pF
50V
(OPT)COMP_ADC_FILTER(AUDIO)
C2802
220pF
50V
OPT
R2814
15K
L2814-*1
0
SCART_NON_ADC_FILTER(AUDIO)
ZD2805
5.6B
R2832
10K
R2817
3.9K
L2811
CM2012FR10KT
(OPT)COMP_ADC_FILTER_L(AUDIO)
0
R2809
D2815
20V
R2842
1K
JP2814
R2834
12K
ZD2804
5.6B
D2817
5.6V
OPT
DTV/MNT_L_OUT
JP2803
R2841
10K
JP2806
JK2801
PSC008-01
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
C2808
4700pF
OPT
C2837
1000pF
50V
SC1_SOG_IN
ZD2801
5.6B
C2835
47pF
50V
(OPT)SCART_ADC_FILTER
L2810
CM2012FR10KT
(OPT)SCART_ADC_FILTER_L
L2805
CM2012FR10KT
(OPT)COMP_ADC_FILTER_L
SC1_G+
C2840
47pF
50V
(OPT)SCART_ADC_FILTER(AUDIO)
C2831
47pF
50V
(OPT)SCART_ADC_FILTER
L2812
CM2012FR10KT
(OPT)COMP_ADC_FILTER_L(AUDIO)
R2810
1K
R2822
75
SC1_FB
R2825
470K
JP2815
JP2809
JP2808
C2827
47pF
50V
(OPT)COMP_ADC_FILTER
R2803
75
C2828
47pF
50V
(OPT)COMP_ADC_FILTER
C2842
47pF
50V
(OPT)SCART_ADC_FILTER(AUDIO)
R2804
470K
L2809
CM2012FR10KT
(OPT)SCART_ADC_FILTER_L
C2814
0.1uF
DTV/MNT_R_OUT
C2810
47pF
50V
(OPT)COMP_ADC_FILTER(AUDIO)
L2806
CM2012FR10KT
(OPT)COMP_ADC_FILTER_L
D2805
20V
R2812
10K
SC1_CVBS_IN
C2830
47pF
50V
(OPT)COMP_ADC_FILTER
L2809-*1
0
SCART_NON_ADC_FILTER
4.7uF
C2815
R2826
470K
C2833
47pF
50V
(OPT)SCART_ADC_FILTER
C2829
47pF
50V
(OPT)COMP_ADC_FILTER
DTV/MNT_VOUT
D2809
20V
OPT
R2823
75
D2802
20V
D2806
20V
(OPT)ESD SCART Audio IN
R2833
12K
R2824
75
+3.3V_Normal
D2811
20V
L2806-*1
0
COMP_NON_ADC_FILTER
JP2805
D2807
5.6V
OPT
JP2801
R2806
75
R2815
22
R2816
75
JK2800
PPJ234-05
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
4C
[RD]CONTACT_1
5D
[WH]O-SPRING
4E
[RD]CONTACT_2
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
ZD2802
5.6B
ZD2803
5.6B
C2813
0.1uF
16V
JP2811
C2807
4700pF
OPT
C2825
47pF
50V
(OPT)COMP_ADC_FILTER
C2803
1000pF
50V
L2808-*1
0
SCART_NON_ADC_FILTER
R2813
10K
JP2813
L2813-*1
0
SCART_NON_ADC_FILTER(AUDIO)
COMP_Pb+
SC1_R+
C2836
47pF
50V
(OPT)SCART_ADC_FILTER
COMP_Pr+
L2813
CM2012FR10KT
(OPT)SCART_ADC_FILTER_L(AUDIO)
IC2801
MM1756DURE
3
BIAS
2
GND
4
OUT
1
IN
6
VCC
5
PS
SC1_B+
COMP_DET
COMP_R_IN
R2819
12K
C2800
47pF
50V
JP2804
+3.3V_Normal
D2804
20V
SC1_R_IN
C2805
330pF
50V
OPT
R2818
12K
JP2802
R2807
75
C2806
330pF
50V
OPT
R2838
1K
C2834
47pF
50V
(OPT)SCART_ADC_FILTER
R2808
4.7K
+3.3V_Normal
JP2800
SC1_L_IN
C2839
1000pF
50V
L2808
CM2012FR10KT
(OPT)SCART_ADC_FILTER_L
SC1_ID
L2811-*1
0
COMP_NON_ADC_FILTER(AUDIO)
C2832
47pF
50V
(OPT)SCART_ADC_FILTER
+3.3V_Normal
20V
D2816
L2814
CM2012FR10KT
(OPT)SCART_ADC_FILTER_L(AUDIO)
D2800
5.6V
OPT
JP2807
COMP_L_IN
AV_CVBS_DET
L2807
CM2012FR10KT
(OPT)COMP_ADC_FILTER_L
L2812-*1
0
COMP_NON_ADC_FILTER(AUDIO)
ZD2807
5.6B
D2808
20V
(OPT)ESD SCART Audio IN
JP2810
JP2812
D2810
20V
OPT
R2811
75
R2831
10K
R2853
5.1K
R2852
5.1K
C2817
0.1uF
50V
+5V_USB
R2801
0
OPT
+12V_Normal
R2800
0
NC4_S7LRM
SCART / COMPONENT&CVBS
[SCART AUDIO MUTE]
121118
SCART AMP IC change
CLOSE TO MSTAR
CLOSE TO MSTAR
SCART AMP
120927
OPT->APPLY
121019
ADC_FILTER(AUDIO) ADD
120927
OPT->APPLY
121128
FULL SCART
121017
Change
120927
OPT->APPLY
121128
Change
121118
Change
121019
ADC_FILTER(AUDIO) ADD
SCART / COMPONENT&CVBS
COMPONENT&CVBS
121128
121017
Change
121219
OPT->APPLY
121229
Option -> Apply for ESD
130114
33K->5.1K
130114
33K->5.1K
EAX65303801
130124
Apply
130124
Apply
130219 BJ.KIM
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
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