DOWNLOAD LG 50PV490-UC (CHASSIS:PU11L) Service Manual ↓ Size: 9.54 MB | Pages: 72 in PDF or view online for FREE

Model
50PV490-UC (CHASSIS:PU11L)
Pages
72
Size
9.54 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pv490-uc-chassis-pu11l.pdf
Date
PREV: LG 50PV400-UB / 50PV430-UC / 50PV450-UA (CHASSIS:PU14K) Service Manual

LG 50PV490-UC (CHASSIS:PU11L) Service Manual ▷ View online

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.
HDMI
D0+_HDMI2
+5V
D803
ENKMC2838-T112
HDMI1
A
1
C
A
2
CEC_REMOTE
GND
R859
22
SIDE HDMI
CK-_HDMI3
R864
18K
SIDE HDMI
Q805
2SC3875S(ALY)
HDMI1
E
B
C
Q806
2SC3875S(ALY)
HDMI2
E
B
C
D2+_HDMI4
D805
ENKMC2838-T112
SIDE HDMI
A
1
C
A
2
D1+_HDMI4
CK+_HDMI4
EDID_WP
R850
18K
HDMI2
IC802
AT24C02BN-SH-T 
HDMI2
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2+_HDMI3
DDC_SCL_4
DDC_SCL_4
5V_HDMI_2
R868
18K
SIDE HDMI
C803
0.1uF
16V
HDMI1
D1-_HDMI4
CEC_REMOTE
D2-_HDMI3
R835
91K
READY
+5V
CK-_HDMI4
R845
22
HDMI2
DDC_SCL_2
EDID_WP
HDMI_CEC_S7
5V_HDMI_2
R851
10K
HDMI2
D1-_HDMI2
R849
22
HDMI2
5V_DET_HDMI_4
R858
22
SIDE HDMI
R842
1K
HDMI2
DDC_SDA_2
R857
1K
SIDE HDMI
C810
0.1uF
16V
SIDE HDMI
HPD4
R862 22
SIDE HDMI
R846
0
HDMI2
R852
18K
HDMI2
D801
MMBD301LT1G
R830
22
HDMI1
JK804
RSD-105156-100
DEVELOPE
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
R829
22
HDMI1
D0-_HDMI3
5V_HDMI_3
Q807
2SC3875S(ALY)
SIDE HDMI
E
B
C
R834
18K
HDMI1
C808
0.1uF
16V
HDMI2
DDC_SCL_2
D807
AVRL161A1R1NT
READY
HPD2
R872
0
READY
5V_HDMI_3
R832
18K
HDMI1
DDC_SDA_3
DDC_SCL_3
DDC_SDA_4
5V_HDMI_4
D808
AVRL161A1R1NT
READY
DDC_SDA_2
DDC_SDA_4
GND
R822
1.8K
HDMI1
5V_DET_HDMI_3
R869
10K
SIDE HDMI
R800
68K
IC804
AT24C02BN-SH-T 
SIDE HDMI
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
C809
0.1uF
HDMI2
+5V
IC801
AT24C02BN-SH-T 
HDMI1
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
C811
0.1uF
SIDE HDMI
D0+_HDMI3
R867
18K
SIDE HDMI
GND
HPD3
R831
18K
HDMI1
D0-_HDMI2
R833
10K
HDMI1
D2+_HDMI2
D804
ENKMC2838-T112
HDMI2
A
1
C
A
2
R823
1K
HDMI1
D1+_HDMI2
DDC_SCL_3
D1-_HDMI3
CK+_HDMI2
D2-_HDMI4
GND
GND
R844
22
HDMI2
5V_DET_HDMI_2
R841
1.8K
HDMI2
D806
AVRL161A1R1NT
READY
5V_HDMI_4
R853
18K
HDMI2
R878
0
SIDE HDMI
D0+_HDMI4
D1+_HDMI3
R863 22
SIDE HDMI
D2-_HDMI2
+3.3V_ST
R860
3.3K
SIDE HDMI
R856
1.8K
SIDE HDMI
R871
0
R824
3.3K
HDMI1
R827
22
HDMI1
DDC_SDA_3
R826
22
HDMI1
EDID_WP
R848
22
HDMI2
CK-_HDMI2
CEC_REMOTE
D0-_HDMI4
R828
0
HDMI1
C805
0.1uF
HDMI1
R843
3.3K
HDMI2
CEC_REMOTE
JK801
EAG59023302
HDMI1
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
CK+_HDMI3
+3.3V_ST
BSS83
Q800
S
B
D
G
JK803
EAG59023301
HDMI2
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
8     14
HDMI
HDMI_JACK
$0.47
->$0.24
SIDE HDMI(SMD TYPE)
EAX63425901(8)
$0.47
->$0.24
10mm
S7
HDMI 1
HDMI 2
2010.09.13
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.
RGB_DDC_SCL
R974
0
R918
10K
READY
Q901
2SC3052
E
B
C
LED_WHITE
MDS62110209
M3
R981
22
READY
R927
470K
EDID_WP
R978
22
READY
R979
22
READY
R976
1K
READY
R938
10K
C902
0.1uF
50V
R923
10K
R911
10K
+3.3V_ST
R944
22
R928
22
D902
30V
R908
75
C908
220pF
50V
READY
JK901
PEJ027-01
EAG60841801
IR JACK
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
C928
1uF
10V
LED_RED
R939
2.7K
LED_WHITE
R958
0
UART_PM_TX
R917 1K
R977
22
USA
R907
75
DSUB_DET
R952
0
+3.3V_ST
232C_NO4
R926
470K
D911
5.6V
R934
0
R914
10K
R947
22
R973
0
READY
D915
30V
R956
0
SUB_SCL
L900
D909
30V
READY
R909
10K
GND
R948
4.7K
+3.3V_ST
+5V_ST
R900
10K
RGB_DDC_SCL
R932
100
READY
+3.3V_ST
KEY1
R937
0
READY
R962
0
R904
100
232C_NO4
JK900
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
C920
820pF
50V
D908
DSUB_R-
R966
0
Q900
2SC3052
USA
E
B
C
R961
0
R930
100
READY
R960
0
DSUB_G
232C_NO6
C921
820pF
50V
C923
10pF
READY
R912
18K
D904
R919
100K
USA
KEY2
EMI_GND1
IC900
MAX3232CDR
3
C
1
-
2
V
+
4
C
2
+
1
C
1
+
6
V
-
5
C
2
-
7
D
O
U
T
2
8
R
I
N
2
9
R
O
U
T
2
1
0
D
I
N
2
1
1
D
I
N
1
1
2
R
O
U
T
1
1
3
R
I
N
1
1
4
D
O
U
T
1
1
5
G
N
D
1
6
V
C
C
P901
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
IR
C933
10pF
LED_WHITE
DSUB_B
D903
30V
D900
R955
0
MDS62110209
M2
R943
22
DSUB_R
+3.3V_ST
UART_TXD_3D
R922
0
NON_IR JACK
PC_LIN
UART_PM_RX
C910
0.1uF
50V
S7_RXD
R982
22
READY
P900
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
C927
0.1uF
16V
R924
10K
P906
12507WR-03L
FOR NON_RGB_DEBUG
1
2
3
4
PC_SER_DATA
C907
0.1uF
50V
C918
18pF
50V
P902
12507WS-15L 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
C915
READY
C900
0.1uF
16V
DSUB_G-
C925
4700pF
S7_TXD
R980 0
RGB_DDC_SDA
DSUB_B-
D912
5.6B
IR JACK
Q902
2SC3052
LED_WHITE
E
B
C
L903
R910
10K
READY
R902
10
R921
10
IR JACK
R903
10
R975
1K
READY
+3.3V_ST
TX
C909
0.1uF
50V
+3.3V_ST
C901
270pF
50V
READY
R920
100K
USA
RGB_DDC_SCL
R929
22
DSUB_VSYNC
R954
0
TX
R957
0
PC_RIN
R905
100
R951
0
D906
RGB_DDC_SDA
EMI_GND4
C906
220pF
50V
READY
R935
12K
C904
220pF
50V
READY
R940
4.7K
LED_WHITE
+3.3V
C932
0.1uF
16V
LED_WHITE
R941
10K
R949
0
READY
C905
220pF
50V
READY
+5V_ST
PC_SER_CLK
C903
220pF
50V
READY
R901
10K
R953
0
IC901
AT24C02BN-SH-T 
3
2
4
1
5
6
7
8
L905
C914
0.1uF
16V
READY
R906
75
D910
5.6V
232C_NO6
+3.3V
DSUB_HSYNC
PC_SER_DATA
R945
10K
MDS62110209
M1
L901
LED_WHITE
R936
12K
+5V_ST
D901
PC_SER_CLK
D907
C917
10pF
50V
C922
0.1uF
R915
22
GND
D914
30V
UART_RXD_3D
C919
18pF
50V
R916
22
R933
10K
R950
2.7K
R959
0
R946
22
RGB_DDC_SDA
TOUCH_VER_CHK
IR
SUB_SDA
R942
10K
USA
D905
R931
10K
C930
10pF
C926
10pF
R963
0
EMI_GND2
L902
L904
C924
10pF
READY
+5V
C911
0.1uF
50V
C916
10pF
50V
EMI_GND3
9      14
EAX63425901(8)
RGB/RS232/PC/USA IR 
$0.179
ROM DOWNLOAD FOR PDP
PC AUDIO
SUB Board I/F
RS232C
For RGB Debugging
RGB
USA IR JACK
SCREW GND Seperate
SUB IR 
 IR Wafer/ SIDE_HDMI/USB GASKET GND
2010.09.13
F
i
b
e
r
 
O
p
t
i
c
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.
R1005
0
JK1003
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R1004
75
R1080
1K
D1022
30V
READY
R1092
82
READY
C1007
1000pF
50V
R1069
0
R1002
0
R1065
0
R1086
10K
COMP1_Pb+
D1007
30V
READY
D1012
5.6V
COMP2_Y-
+3.3V
R1020
270
READY
R1070
0
R1081
10K
+5V
COMP1_Y-
R1036
10K
C1016
47pF
50V
R1084
4.7K
READY
D1009
5.6V
C1010
1000pF
50V
COMP2_Pr+
R1059
10K
R1072
470K
R1051
100
C1022
22pF
R1043
12K
AV_CVBS
+3.3V
R1093
82
READY
C1014
820pF
R1061
10K
R1078
470K
COMP2_DET
D1002
30V
READY
R1055
100
Q1001
2SC3052
READY
E
B
C
COMP1_Pb-
C1000
100pF
50V
READY
R1019
1K
R
1
0
3
7
4
7
0
K
C1015
820pF
D1005
30V
READY
D1011
5.6V
Q1000
2SC3052
READY
E
B
C
D1006
30V
READY
+5V
R1000
0
R1042
12K
D1010
5.6V
R1098
0
READY
R1079
470K
COMP1_Pr+
D1020
30V
R
1
0
3
8
4
7
0
K
AV_CVBS_DET
C1004
10pF
50V
READY
R1067
75
COMP2_Pb+
COMP2_Pb-
C1011
1000pF
50V
D1001
5.6V
R1074
75
COMP2_Y+
R1095
12K
COMP1_DET
R1077
10K
C1001
10pF
50V
READY
C1005
10pF
50V
READY
COMP1_Y+
+3.3V
R1075
470K
R1094
12K
+5V
AV_RIN_COM1
D1003
30V
READY
R1097
270
+3.3V
C1024
10uF
16V
R1060
1K
SIDE_LIN
JK1000
PPJ239-01
5J
[GN2]O-SPRING
6J
[GN2]E-LUG
4J
[GN2]CONTACT
7K
[BL2]E-LUG-S
5K
[BL2]O-SPRING
7L
[RD2]E-LUG-S
5L
[RD2]O-SPRING_1
5M
[WH2]O-SPRING
4N
[RD2]CONTACT
5N
[RD2]O-SPRING_2
6N
[RD2]E-LUG
6D
[GN1]E-LUG
5D
[GN1]O-SPRING
4D
[GN1]CONTACT
7E
[BL1]E-LUG-S
5E
[BL1]O-SPRING
7F
[RD1]E-LUG-S
5F
[RD1]O-SPRING_1
4F
[RD1]CONTACT_1
5G
[WH1]O-SPRING
4H
[RD1]CONTACT_2
5H
[RD1]O-SPRING_2
6H
[RD1]E-LUG
D1004
30V
READY
SIDE_RIN
R1071
0
COMP2_RIN
R1099
0READY
R1044
75
R1006
0
D1019
R1088
12K
C1003
10pF
50V
READY
R1085
10K
R1082
10K
D1000
5.6V
ADMC5M03200L_AMODIODE
D1021
R1062
1K
R1076
75
C1013
0.1uF
16V
READY
SIDE_CVBS_DET
JK1002
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
SIDE_CVBS_IN
+5V
D1008
5.6V
COMP1_Pr-
IC1000
NL17SZ00DFT2G
READY
3
GND
2
B
4
Y
1
A
5
VCC
R1040
10K
AV_LIN_COM1
R1039
10K
C1008
1000pF
50V
R1096
0 READY
SPDIF_OUT
R1003
0
C1009
0.47uF
25V
READY
C1023
0.1uF
50V
C1002
10pF
50V
READY
R1058
1K
COMP2_Pr-
C1006
10pF
50V
READY
R1089
12K
R1021
0READY
R1083
3.6K
READY
R1073
75
R1001
75
COMP2_LIN
10      14
CVBS/COM1/2 JACK
EAX63425901(8)
AV_CVBS_DET
LOW
RESULT
HIGH
AV_CVBS
HIGH
LOW
NAND
GATE
HIGH
LOW
COMP1_DET
SPDIF
SIDE CVBS
LOW
COMP1_DET
HIGH
2010.09.13
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
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.
R1145
22
SIDE USB
R1129
10K
SIDE USB
C1116
100uF
16V
SIDE USB
USB1_DM_to_MAIN
+3.3V
D1101
5.6V
CDS3C05HDMI1
READY
D1103
5.6V
CDS3C05HDMI1
READY
JK1100
KJA-UB-0-0037
SVC USB
1
2
3
4
5
D1102
5.6V
CDS3C05HDMI1
READY
USB2_DP_to_MAIN
C1120
0.1uF
16V
SIDE USB
R1141
10K
READY
L1100
MLB-201209-0120P-N2
0LCML00003B
SVC USB
+USB1_OCD
+5V
+3.3V
USB2_DM_to_MAIN
C1121
0.1uF
16V
SVC USB
+USB1_CTL
USB1_DP_to_MAIN
C1122
10uF
16V
SIDE USB
+5V
IC1101
AP2191SG-13
SIDE USB
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
J
K
1
1
0
2
3
A
U
0
4
S
-
3
0
5
-
Z
C
-
(
L
G
)
DEVELOPE
1
2
3
4
5
R1124
22
SIDE USB
D1100
5.6V
CDS3C05HDMI1
READY
11      14
SIDE / SVC USB 
$0.11
USB2 REAR(SVC)
USB1 SIDE
Capacitors on VBUSA should be
placed as closd to connector as possible.
SWITCH ADDED
EAX63425901(8)
10mm
2010.09.13
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