LG 32LU25 (CHASSIS:LA85D) Service Manual ▷ View online
COMP_Pr2
010:T15
COMP_Pr1
010:V7
COMP_Y1
010:V8
COMP_Pb2
010:T16
COMP_Pb1
010:V8
COMP_Y2
010:T17
0
R971
0.01uF
C916
MBW3216-501TF
L902
+5V_GENERAL
47uF
16V
C917
22
R992
COMP_SEL
COMP_Pb
001:B14
22
R993
22
R991
COMP_Y
001:B13
22 R990
COMP_Pr
001:B13
MC74HC4066ADR2G
IC901
3
YB
2
YA
4
XB
1
XA
6
CONTROL_C
5
CONTROL_B
7
GND
8
XC
9
YC
10
YD
11
XD
12
CONTROL_D
13
CONTROL_A
14
VCC
680K
R909
680K
R910
COMP_L_IN_2
010:R13
+5V_GENERAL
COMP_L_IN
001:C8
COMP_L_IN_1
010:R6
+5V_GENERAL
680K
R913
680K
R912
4.7K
R908
COMP_SEL
+5V_GENERAL
0
R911
+5V_GENERAL
4.7K
R934
0
R933
+5V_GENERAL
COMP_SEL
+5V_GENERAL
680K
R941
680K
R940
COMP_R_IN_2
010:R12
COMP_R_IN
001:C7
680K
R935
COMP_R_IN_1
010:Q5
680K
R936
+5V_GENERAL
+3.3V_MULTI
1K
R939
AUD_SPDIF_OUT
001:N3
0.1uF
C905
27
R937
F i b e r O p t i c
JST1223-001
JK902
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
READY
ZD900
GND
TP918
100
R921
TP917
COMP_SEL
TP903
TP914
GND
100
R905
100
R906
TP902
NTP_RESET
10uF
16V
C903
10K
R920
+5V_GENERAL
100
R903
SIDEAV_SW
006:J6
TP919
100
R923
100
R924
HDMI_SW_EQ
008:Y13
100
R922
TP915
TP906
0.1uF
16V
C904
MSCL
22
R902
TP907
TP901
100
R907
COMP_SW2
010:Q19
TP904
TP905
TP900
MSDA
22
R900
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.
STMAV340
IC903
3
2B
2
1C
4
2C
1
1B
6
3C
5
3B
7
4B
8
4C
9
GND
10
4A
11
3A
12
2A
13
1A
14
S
15
OE_N
16
VCC
8pF
50V
READY
C914
JP912
0.1uF
50V
C911
10K
READY
R986
22
R972
SCL_HDMI3
+5V_GENERAL
DDC_CTL
22
R973
SDA_HDMI3
4.7K
R984
POWER_HDMI3
JP913
8pF
50V
READY
C913
100
R988
4.7K
R974
0
R964
TMDS3_RX0+
TMDS3_RX2-
HPDCTRL3
TMDS3_RX2+
TMDS3_RXC+
TMDS3_RX0-
SCL_HDMI3
0
R963
DDC_SDA3
+3.3V_VDDP_ST
47K
R9
85
SDA_HDMI3
TMDS3_RX1-
0.1uF
50V
C910
1K
R961
POWER_HDMI3
47K
R E
A D
Y
R989
TMDS3_RXC-
TMDS3_RX1+
DDC_SCL3
47K
R E
A D
Y
R987
100
R975
0
READY
R962
0
READY
R949
120K
R953
M M
B D
3 01
L T
1 G
D912
BSS83
Q901
S
B
D
G
+3.3V_VDDP_ST
0
R960
HDMI_CEC
HDMICEC
0
R955
0
R
982
0
R
979
0
R
977
0
R
976
0
R
981
0
R
978
0
R
980
0
R
983
MNT_OUT_MUTE
5V_MNT
VSB_CTRL
ENKMC2838-T112
D913
A1
C
A2
RT1N141C-T112-1
Q900
E
B
C
2SC3052
Q902
E
B
C
UBW2012-121F
L900
KJA-ET-0-0032
JK903
14
N
C
1
3
CEC
5
DATA1_SHIELD
20
JACK_GND
1
2
CLK-
1
1
CLK_SHIELD
2
DATA2_SHIELD
1
9
HPD
1
8
+5V_POWER
1
0
CLK+
4
DATA1+
1
DATA2+
1
7
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
1
6
SDA
7
DATA0+
6
DATA1-
1
5
SCL
M62320FP
IC900
3
SDA
2
SCL
4
D0
1
SO
6
D2
5
D1
7
D3
8
GND
9
D4
10
D5
11
D6
12
D7
13
VDD
14
CS2
15
CS1
16
CS0
CAT24C02WI-GT3
IC902
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0.
1u
F
50V
C924
0.
1u
F
50V
C925
0.
1u
F
50V
C926
0.
1u
F
50V
C927
+5V_EDID
0
R901
TP1111
TP1114
0
C
918
0
C
919
0
C920
0
C921
0
C922
0
C923
SIGN1325
HIGH:COMP2
LOW :COMP1
SPDIF OUT
//NTP RESET : ACTIVE LOW
SIDE_HDMI
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.
CDS3C05GTA
5.6V
READY
D911
COMP_R_IN_2
009:N17
CDS3C30GTH
30V
R E
A D
Y
D900
JP1002
75
R915
COMP_R_IN_1
009:L16
CDS3C30GTH
30V
R E
A D
Y
D901
JP1000
+5V_GENERAL
470K
R918
100pF
50V
C900
JP1006
COMP_L_IN_2
009:C19
COMP_Y1
009:U18
JP1005
CDS3C30GTH
30V
R E
A D
Y
D907
COMP_Y2
009:U17
100pF
C908
100pF
50V
C906
75
R914
COMP_Pb1
009:U20
470K
R948
75
R943
470K
R947
75
R944
100pF
50V
C907
CDS3C05GTA
5.6V
R E
A D
Y
D903
CDS3C05GTA
5.6V
READY
D905
75
R945
+5V_GENERAL
4.7K
R917
COMP_Pb2
009:U19
COMP_L_IN_1
009:C17
JP1008
JP1004
CDS3C05GTA
5.6V
R E
A D
Y
D909
COMP_Pr2
009:U18
JP1009
CDS3C05GTA
5.6V
R E
A D
Y
D904
1K
R954
+5V_GENERAL
JP1003
470K
R919
COMP_SW2
009:B6
CDS3C05GTA
5.6V
R E
A D
Y
D910
JP1007
4.7K
R946
75
R916
CDS3C30GTH
30V
R E
A D
Y
D908
JP1011
CDS3C30GTH
30V
R E
A D
Y
D906
1K
R928
JP1001
100pF
50V
C901
100pF
C902
COMP_SW1
001:P4
CDS3C30GTH
30V
R E
A D
Y
D902
COMP_Pr1
009:U19
10K
R929
10K
R930
12K
R931
12K
R932
12K
R959
12K
R958
10K
R956
10K
R957
JP1010
+5V_GENERAL
4.7K
R1906
R1906
4.7K
R1908
R1908
GND
4.7K
R1907
R1907
1K
R1909
READY
R1914
0
R926
4.7K
R1905
R1905
GND
READY
R1912
1K
R1911
GND
1K
R1910
4.7K
R1903
R1903
READY
R1913
4.7K
R1904
R1904
0
R927
0
R925
GND
GND
0
R951
0
R950
4.7K
R1918
1K
R1925
1K
R1924
READY
R1926
GND
4.7K
R1921
GND
4.7K
R1923
READY
R1929
4.7K
R1922
1K
R1928
READY
R1927
4.7K
R1920
0
R952
GND
4.7K
R1919
10uF
C1708
10uF
C1709
10uF
C1710
10uF
C1711
10uF
C1712
10uF
C1713
RCA-517HA-00A-01
JK900
4
A
[GN]CONTACT
2
A
[GN]1P_CAN
3
A
[GN]O_SPRING
2
B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5
D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4
E
[RD]CONTACT
3
E
[RD]O_SPRING
RCA-517HA-00A-01
JK901
4
A
[GN]CONTACT
2
A
[GN]1P_CAN
3
A
[GN]O_SPRING
2
B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5
D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4
E
[RD]CONTACT
3
E
[RD]O_SPRING
2SC3052
Q1900
E
B
C
2SC3052
Q1901
E
B
C
2SC3052
Q1902
E
B
C
2SC3052
Q1903
E
B
C
2SC3052
Q1904
E
B
C
2SC3052
Q1905
E
B
C
COMPONENT1
COMPONENT2
Apr., 2009
P/NO : MFL41524434
Apr., 2009
P/NO : MFL41524434