LG 442PT260E-DA / 2PT260E-DC (CHASSIS:PB11K) 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.
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
5V_DET_HDMI_2
R844
22
HDMI2
R841
1.8K
1.8K
HDMI2
GND
C803
0.1uF
16V
0.1uF
16V
HDMI1
R868
18K
18K
SIDE HDMI
GND
D2-_HDMI4
EDID_WP
CK+_HDMI2
D1-_HDMI3
DDC_SCL_3
CK-_HDMI2
CEC_REMOTE
D1+_HDMI2
R823
1K
HDMI1
D804
ENKMC2838-T112
HDMI2
A
1
C
A
2
EDID_WP
D0+_HDMI4
BSS83
Q800
S
B
D
G
D2+_HDMI2
D806
AVRL161A1R1NT
READY
R853
18K
HDMI2
R833
10K
HDMI1
DDC_SCL_4
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
R850
18K
HDMI2
D1+_HDMI4
D0-_HDMI2
R824
3.3K
3.3K
HDMI1
DDC_SCL_4
R856
1.8K
1.8K
SIDE HDMI
R831
18K
HDMI1
HPD3
GND
R867
18K
18K
SIDE HDMI
CK+_HDMI4
D0+_HDMI3
C811
0.1uF
SIDE HDMI
IC801
AT24C02BN-SH-T
HDMI1
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
Q806
2SC3875S(ALY)
HDMI2
E
B
C
+5V
C809
0.1uF
HDMI2
IC804
AT24C02BN-SH-T
SIDE HDMI
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R800
68K
CK-_HDMI3
R869
10K
SIDE HDMI
D0+_HDMI2
D1+_HDMI3
+5V
5V_DET_HDMI_3
5V_HDMI_2
R822
1.8K
1.8K
HDMI1
GND
D803
ENKMC2838-T112
HDMI1
A
1
C
A
2
DDC_SDA_4
DDC_SDA_2
D808
AVRL161A1R1NT
READY
5V_HDMI_4
DDC_SDA_4
DDC_SDA_3
D1-_HDMI4
R832
18K
HDMI1
IC802
AT24C02BN-SH-T
HDMI2
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R843
3.3K
3.3K
HDMI2
+3.3V_ST
5V_HDMI_3
R872
0
READY
D2+_HDMI4
HPD2
DDC_SDA_3
R871
0
D2-_HDMI2
D807
AVRL161A1R1NT
READY
DDC_SCL_2
C808
0.1uF
16V
0.1uF
16V
HDMI2
R834
18K
HDMI1
5V_HDMI_4
Q807
2SC3875S(ALY)
SIDE HDMI
E
B
C
5V_HDMI_3
CEC_REMOTE
D2+_HDMI3
D0-_HDMI3
R829
22
HDMI1
+3.3V_ST
JK804
RSD-105156-100
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
R830
22
HDMI1
C805
0.1uF
HDMI1
R852
18K
HDMI2
R846
0
HDMI2
R862 22
SIDE HDMI
R864
18K
SIDE HDMI
HPD4
C810
0.1uF
16V
0.1uF
16V
SIDE HDMI
D805
ENKMC2838-T112
SIDE HDMI
A
1
C
A
2
R857
1K
SIDE HDMI
D0-_HDMI4
R859
22
SIDE HDMI
Q805
2SC3875S(ALY)
HDMI1
E
B
C
R828
0
HDMI1
DDC_SDA_2
R842
1K
HDMI2
R858
22
SIDE HDMI
5V_DET_HDMI_4
R849
22
HDMI2
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
R878
0
SIDE HDMI
D1-_HDMI2
R851
10K
HDMI2
5V_HDMI_2
CEC_REMOTE
R860
3.3K
3.3K
SIDE HDMI
HDMI_CEC_S7
GND
EDID_WP
R826
22
HDMI1
DDC_SCL_2
R848
22
HDMI2
R863 22
SIDE HDMI
R845
22
HDMI2
DDC_SCL_3
CK-_HDMI4
+5V
R835
91K
READY
R827
22
HDMI1
CK+_HDMI3
D2-_HDMI3
CEC_REMOTE
D801
8 14
HDMI
HDMI_JACK
$0.47
->$0.24
->$0.24
SIDE HDMI(SMD TYPE)
EAX63425902(5)
$0.47
->$0.24
->$0.24
10mm
S7
HDMI 1
HDMI 2
2010.10.21
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.
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.
R945
10K
C927
0.1uF
16V
0.1uF
16V
DSUB_DET
+3.3V_ST
MDS62110209
M1
R976
1K
READY
R918
10K
READY
IC901
AT24C02BN-SH-T
3
2
4
1
5
6
7
8
DSUB_HSYNC
TX
P901
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
R963
0
0
R958
0
0
DSUB_VSYNC
TOUCH_VER_CHK
S7_TXD
DSUB_B-
R908
75
D902
30V
D914
30V
R928
22
+5V_ST
R943
22
22
C917
10pF
50V
10pF
50V
RGB_DDC_SCL
C918
18pF
18pF
50V
EMI_GND3
R900
10K
UART_PM_RX
R923
10K
+3.3V_ST
R936
12K
R939
2.7K
LED_WHITE
C902
0.1uF
50V
0.1uF
50V
GND
GND
L902
PC_RIN
P902
12507WS-15L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
C920
820pF
50V
R977
22
USA
L904
R902
10
10
+3.3V_ST
LED_RED
D912
5.6B
IR JACK
+3.3V
R959
0
0
Q902
2SC3052
2SC3052
LED_WHITE
E
B
C
+3.3V
R942
10K
USA
R974
0
R914
10K
EMI_GND1
C914
0.1uF
16V
0.1uF
16V
READY
UART_RXD_3D
RGB_DDC_SCL
R919
100K
USA
R901
10K
D906
R905
100
R921
10
IR JACK
TX
KEY2
R960
0
0
R907
75
75
RGB_DDC_SDA
R935
12K
R980 0
MDS62110209
M3
D903
30V
R973
0
READY
232C_NO6
C909
0.1uF
50V
0.1uF
50V
R966
0
0
D915
30V
R933
10K
10K
R912
18K
C904
220pF
50V
READY
D907
D905
JK900
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
R934
0
R927
470K
470K
C908
220pF
50V
READY
220pF
50V
READY
R954
0
0
RGB_DDC_SCL
R949
0
0
READY
C923
10pF
READY
D910
5.6V
SUB_SDA
R904
100
R917 1K
D909
30V
READY
MDS62110209
M2
IR
S7_RXD
R948
4.7K
4.7K
R909
10K
R975
1K
READY
L903
IR
R957
0
0
UART_PM_TX
L900
C919
18pF
50V
C916
10pF
50V
10pF
50V
R951
0
0
232C_NO4
C900
0.1uF
0.1uF
16V
EMI_GND4
R953
0
0
R920
100K
USA
EDID_WP
R952
0
0
P906
12507WR-03L
FOR NON_RGB_DEBUG
1
2
3
4
C915
READY
+3.3V_ST
R962
0
0
C905
220pF
50V
READY
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
R911
10K
C933
10pF
LED_WHITE
DSUB_R-
D904
R916
22
22
R922
0
NON_IR JACK
C910
0.1uF
50V
R978
22
READY
R946
22
22
R926
470K
470K
+5V_ST
R932
100
READY
+5V_ST
R937
0
0
READY
RGB_DDC_SDA
R910
10K
READY
C928
1uF
10V
1uF
10V
R940
4.7K
4.7K
LED_WHITE
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
R903
10
10
R944
22
22
C907
0.1uF
50V
0.1uF
50V
R950
2.7K
R931
10K
10K
R981
22
READY
D908
R930
100
READY
R924
10K
10K
R982
22
READY
C926
10pF
D900
C932
0.1uF
16V
0.1uF
16V
LED_WHITE
L905
C925
4700pF
R906
75
EMI_GND2
232C_NO4
LED_WHITE
R956
0
0
R955
0
0
232C_NO6
UART_TXD_3D
D911
5.6V
+5V
DSUB_G-
RGB_DDC_SDA
Q901
2SC3052
2SC3052
E
B
C
DSUB_B
Q900
2SC3052
USA
E
B
C
R915
22
22
R941
10K
C924
10pF
READY
PC_SER_CLK
C903
220pF
50V
READY
+3.3V_ST
PC_SER_CLK
PC_SER_DATA
PC_SER_DATA
+3.3V_ST
C901
270pF
50V
READY
270pF
50V
READY
R947
22
22
P900
SPG09-DB-010
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
DSUB_R
+3.3V_ST
R929
22
C906
220pF
50V
READY
220pF
50V
READY
KEY1
L901
LED_WHITE
C911
0.1uF
50V
0.1uF
50V
R961
0
0
DSUB_G
SUB_SCL
R938
10K
C921
820pF
820pF
50V
PC_LIN
C922
0.1uF
0.1uF
R979
22
READY
C930
10pF
10pF
D901
9 14
EAX63425902(5)
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
2010.10.21
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.
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.
D1000
5.6V
ADMC5M03200L_AMODIODE
R1092
82
82
READY
JK1003
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R1065
0
0
D1022
30V
READY
R1040
10K
10K
R1069
0
0
COMP1_Pr-
COMP2_Pr-
D1021
C1006
10pF
50V
10pF
50V
READY
D1019
R1001
75
R1002
0
COMP2_LIN
R1089
12K
R1088
12K
12K
R1021
0READY
SIDE_RIN
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
R1006
0
0
COMP2_RIN
R1044
75
R1058
1K
R1099
0READY
D1004
30V
READY
R1071
0
0
C1007
1000pF
50V
1000pF
50V
R1060
1K
SIDE_LIN
C1024
10uF
16V
10uF
16V
COMP1_Pb+
C1023
0.1uF
50V
0.1uF
50V
R1004
75
+3.3V
C1009
0.47uF
25V
READY
R1083
3.6K
READY
R1086
10K
10K
R1097
270
D1003
30V
READY
AV_RIN_COM1
+5V
C1003
10pF
50V
10pF
50V
READY
R1094
12K
12K
R1003
0
R1075
470K
SPDIF_OUT
+3.3V
COMP1_Y+
C1005
10pF
50V
10pF
50V
READY
R1096
0 READY
C1001
10pF
50V
10pF
50V
READY
R1077
10K
COMP1_DET
R1095
12K
COMP2_Y+
R1074
75
D1001
5.6V
C1011
1000pF
50V
1000pF
50V
COMP2_Pb-
IC1000
NL17SZ00DFT2G
READY
3
GND
2
B
4
Y
1
A
5
VCC
COMP2_Pb+
R1005
0
C1002
10pF
50V
10pF
50V
READY
R1067
75
C1004
10pF
50V
10pF
50V
READY
AV_CVBS_DET
R
1
0
3
8
4
7
0
K
R1080
1K
1K
D1020
30V
COMP1_Pr+
R1079
470K
R1098
0
0
READY
D1010
5.6V
R1042
12K
+5V
D1006
30V
30V
READY
Q1000
2SC3052
2SC3052
READY
E
B
C
D1011
5.6V
R1039
10K
10K
D1005
30V
READY
C1015
820pF
820pF
R
1
0
3
7
4
7
0
K
AV_LIN_COM1
R1019
1K
1K
C1000
100pF
50V
READY
COMP1_Pb-
Q1001
2SC3052
2SC3052
READY
E
B
C
R1055
100
100
D1002
30V
30V
READY
COMP2_DET
R1073
75
R1078
470K
470K
R1061
10K
C1014
820pF
820pF
D1008
5.6V
R1093
82
READY
+3.3V
+5V
AV_CVBS
R1082
10K
10K
R1043
12K
R1076
75
SIDE_CVBS_IN
C1022
22pF
22pF
R1051
100
100
R1072
470K
470K
R1059
10K
COMP2_Pr+
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
C1010
1000pF
50V
1000pF
50V
D1009
5.6V
R1084
4.7K
READY
C1016
47pF
50V
47pF
50V
SIDE_CVBS_DET
C1013
0.1uF
16V
0.1uF
16V
READY
COMP1_Y-
R1036
10K
+5V
R1081
10K
10K
R1070
0
0
R1020
270
READY
C1008
1000pF
50V
1000pF
50V
+3.3V
COMP2_Y-
R1062
1K
1K
D1012
5.6V
5.6V
R1085
10K
10K
D1007
30V
30V
READY
10 14
CVBS/COM1/2 JACK
EAX63425902(5)
AV_CVBS_DET
LOW
RESULT
HIGH
AV_CVBS
HIGH
LOW
NAND
GATE
GATE
HIGH
LOW
COMP1_DET
SPDIF
SIDE CVBS
LOW
COMP1_DET
HIGH
2010.10.21
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.
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.
USB1_DM_to_MAIN
+3.3V
R1129
10K
SIDE USB
D1101
5.6V
CDS3C05HDMI1
READY
C1116
100uF
16V
16V
SIDE USB
R1145
22
SIDE USB
JP1103
JP1102
JP1101
D1100
5.6V
CDS3C05HDMI1
READY
R1124
22
SIDE USB
J
K
1
1
0
2
3
A
U
0
4
S
-
3
0
5
-
Z
C
-
(
L
G
)
1
2
3
4
5
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
+5V
C1122
10uF
16V
10uF
16V
SIDE USB
USB1_DP_to_MAIN
+USB1_CTL
C1121
0.1uF
16V
SVC USB
USB2_DM_to_MAIN
+3.3V
+5V
+USB1_OCD
L1100
MLB-201209-0120P-N2
0LCML00003B
SVC USB
R1141
10K
READY
C1120
0.1uF
16V
SIDE USB
USB2_DP_to_MAIN
D1102
5.6V
CDS3C05HDMI1
READY
JK1100
KJA-UB-0-0037
SVC USB
1
2
3
4
5
D1103
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.
placed as closd to connector as possible.
SWITCH ADDED
EAX63425902(3)
10mm
2010.10.21
Click on the first or last page to see other 442PT260E-DA / 2PT260E-DC (CHASSIS:PB11K) service manuals if exist.