50PZ570G-ZB, 50PZ570S-ZB, 50PZ575S-ZB (CHASSIS:PD12C) - LG TV Service Manual (repair manual). Page 20

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Fiber Optic
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.
DSUB_R+
R813
22
D804
30V
+3.3V_ST
DSUB_VSYNC
NEC_TXD
NEC_RXD
IC801
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
RGB_DDC_SDA
D808
30V
D807
30V
D806
30V
R803
4.7K
C805
560pF
50V
+5V_MULTI
BCM_TX
DSUB_DET
D803
30V
OPT
+3.3V_Normal
C809
18pF
50V
C803
0.1uF
16V
D812
5.6V
BCM_RX
D805
30V
PC_L_IN
C820
0.1uF
DSUB_B+
R812
22
JP809
R810
4.7K
RGB_DDC_SCL
D809
5.6V
OPT
JP810
R800
22
PC_R_IN
+3.3V_Normal
C806
0.1uF
16V
SPDIF_OUT
R827
10K
C813
0.1uF
R806
10K
OPT
C811
0.1uF
16V
R807
10K
OPT
D813
R816
75
D814
+5V_MULTI
C810
18pF
50V
R815
75
C815
0.1uF
R801
22
+3.3V_ST
C814
0.1uF
DSUB_HSYNC
DSUB_G+
R817
75
P802
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
IC802
AT24C02BN-SH-T 
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R831
10K
C812
0.1uF
IC803
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R832
1K
C804
560pF
50V
D811
5.6V
OPT
R808
100
R809
100
R849
1K
AV2_SIDE_L_IN
AV2_SIDE_CVBS_DET
AV2_SIDE_CVBS_IN
+3.3V_Normal
AV2_SIDE_R_IN
D826
5.1V
D825
5.6V
D824
5.1V
R842
75
D829
5.1V
D823
5.1V
D822
5.6V
R846
75
COMP_Y/AV1_CVBS
COMP_R_IN
COMP_Pb
R852
1K
+3.3V_Normal
D820
5.1V
R845
75
COMP_Pr
COMP_L_IN
D818
5.1V
D817
5.1V
COMP_DET
D816
5.1V
R847
75
ROM_DL_CK
R825
220pF
50V
OPT
R824
220pF
50V
OPT
D815
30V
OPT
R811
10
C831
220pF
50V
OPT
C832
270pF
50V
OPT
ROM_DL_DA
D828
30V
OPT
R802
10
EDID_WP
R850
10
R838
2.7K
R848
2.7K
R822
22
R823
22
R859
2.7K
C834
100pF
50V
R819
2.7K
R821
2.7K
P801
SPG09-DB-010
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
JK800
PPJ235-01
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]O-SPRING
3C
[RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
JK801
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
JK802
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R874
22
R872
22
R873
22
R833
470K
R834
470K
R844
470K
R843
470K
R868
12K
OPT
R869
12K
OPT
R835
470K
R836
470K
R866
12K
OPT
R867
12K
OPT
JK803
PPJ234-02
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
COMP_AV_DET
R877
1K
D810
KDS184
A2
C
A1
R879
100
OPT
R878
100
OPT
D831
D830
UART_TXD_3D
UART_RXD_3D
R880
2.7K
+3.3V_Normal
D832
5.6V
D819
5.1V
D821
5.1V
D833
5.1V
D834
5.1V
D800
5.1V
D827
5.1V
D835
5.1V
D836
5.1V
D801
5.1V
D837
5.1V
D802
5.1V
D838
5.1V
C837
4.7pF
50V
C836
4.7pF
50V
C835
4.7pF
50V
R829
0
R828
0
R805
0
R804
0
R826
0
R830
0
R851
0
R882 0
OPT
R881 0
OPT
C824
27pF
50V
C825
27pF
50V
C823
27pF
50V
L800
CM2012FR27KT
L801
CM2012FR27KT
L802
CM2012FR27KT
C800
27pF
50V
C801
27pF
50V
C802
27pF
50V
R856
10
1%
R857
10
1%
R858
10
1%
C807
22pF
50V
C808
22pF
50V
C816
560pF
50V
C818
560pF
50V
L803
BLM18PG121SN1D
L804
BLM18PG121SN1D
C817
47pF
50V
AV2_CVBS_EMI
RS232C JACK
SPDIF OUT
RGB/ PC AUDIO/ SPDIF/ CVBS / COMP / RS232C
RGB PC
8
PC AUDIO
COMMON JACK
EAX63525101
19
CVBS SIDE JACK
COMP/AV REAR JACK
CLOSE TO JUNCTION
ROM DOWNLOAD
for Plasma
1. COMP_DET + COMP_AV_DET = COMPONENT
2. COMP_DET ONLY = AV
*NOTE 16
*NOTE 19
*NOTE 19
Display
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