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LG 22MT55V Service Manual page 31

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SCART / COMPONENT&COMPSIT
COMPONENT
ZD2800-*1
(OPT)ESD_COMP_ZENER_KEC
ZD2801-*1
(OPT)ESD_COMP_ZENER_KEC
6A
[GN/YL]E-LUG
ESD_COMP_ZENER_KEC
5A
[GN/YL]O-SPRING
ZD2800
4A
[GN/YL]CONTACT
ZD2801
ESD_COMP_ZENER_KEC
5B
[BL]O-SPRING
7C
[RD1]E-LUG-S
OPT
5C
[RD1]O-SPRING
VA2800
5.6V
4C
[RD1]CONTACT
5D
[WH]O-SPRING
ZD2802
4E
[RD2]CONTACT
ZD2803
5E
[RD2]O-SPRING
6E
[RD2]E-LUG
5.6B
ZD2804
PPJ245N2-01
5.6B
JK2800
ZD2805
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
SCART
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 right reserved.
Only for training and service purposes
COMP_Y+/AV_CVBS_IN
+3.3V_Normal
5.6B
R2821
5.6B
75
1%
R2824
10K
R2825
1K
AV_CVBS_DET
OPT
C2800
0.1uF
16V
COMP_Pb+
5.6B
R2800
5.6B
75
1%
COMP_Pr+
R2801
+3.3V_Normal
75
1%
R2828
10K
R2829
1K
COMP_DET
VA2803
5.6V
OPT
R2822
10K
COMP_L_IN
R2826
R2809
12K
470K
C2802
1000pF
50V
R2823
10K
COMP_R_IN
R2820
R2827
12K
470K
C2803
1000pF
50V
+3.3V_Normal
R2808
10K
R2810
1K
SCART1_DET
D2808
5.6V
OPT
SC1_CVBS_IN
R2807
EU
75
OPT
1%
C2801
47pF
EU
5.6B
50V
ZD2806
EU
5.6B
ZD2807
D2811
D2810
20V
5.6V
EU
EU
EU
R2806
D2812
75
1%
20V
D2813
R2802
20V
75
EU
1%
D2814
20V
R2803
75
EU
1%
EU
R2804
D2815
470K
C2806
5.6V
1000pF
EU
50V
EU
D2817
R2805
C2807
5.6V
470K
EU
1000pF
50V
D2818
5.6V
C2804
OPT
1000pF
50V
D2819
5.6V
C2805
OPT
1000pF
50V
SCART AMP
DTV/MNT_L_OUT
SCART1_Lout
+3.3V_Normal
OPT
OPT
IC2802
C2809
MM1756DURE
0.1uF
16V
VCC
IN
6
1
DTV/MNT_VOUT
PS
GND
5
2
OPT
R2816
75
OUT
BIAS
4
3
OPT
C2810
4.7uF
10V
L2607
EU
EU
EU
EU
R2830
220nH
C3484
C3485
75
68pF
68pF
EU
50V
50V
R2815
22
R2811
SC1_R+
75
1% EU
SC1_G+
EU
R2814
15K
EU
SC1_B+
R2817
D2816
3.9K
20V
EU
EU
R2812
10K
SC1_L_IN
EU
R2818
12K
EU
R2813
10K
SC1_R_IN
EU
R2819
12K
DTV/MNT_L_OUT
EU
DTV/MNT_R_OUT
EU
+19V
C2817
IC2801
0.1uF
50V
AZ4580MTR-E1
EU
R2861
2.2K
OUT1
VCC
8
1
EU
EU
EU
R2866
C2821
OPT
33K
IN1-
OUT2
7
10uF
2
R2865
16V
470K
EU
IN1+
IN2-
6
C2823
3
EU
R2868
33pF
10K
EU
50V
R2869
VEE
IN2+
5
4
R2862
5.6K
330pF
220K
C2819
R2857
EU
50V
EU
CLOSE TO MSTAR
+3.3V_Normal
C
DSUB
B
Q2000
MMBT3904(NXP)
E
LB45
R2873
0
DSUB/SC1_VSYNC
MA55
COMPONENT/SCART
EU
EU
R2860
2.2K
DTV/MNT_R_OUT
EU
C2822
EU
R2867
10uF
16V
33K
OPT
R2864
470K
10K
EU
C2824
33pF
50V
EU
R2863
5.6K
SCART1_Rout
EU
EU
R2858
C2820
220K
330pF
50V
CLOSE TO MSTAR
SC1_FB
Analog Switch
Scaler Vsync
SC1_ID
SAR2(LED Amber)
2013/05/23
28
LGE Internal Use Only

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