LG 32LC7D (CHASSIS:LB73A) Service Manual ▷ View online
BLOCK DIAGRAM
- 17 -
HD2_DAC_LRCLK
HD2_ICE958_IN
HD2_DAC_SCLK
H
Y
57
V
1
61
61
0
SI
F
MS
P
4450
PA
L
Tu
n
e
r
(T
A
U
M
-W
1
0
1
P
)
CO
FDM
D
E
M
.+
DV
B
T
u
n
e
r
(T
D
F
B-
Z
2
0
5
P
)
CV
B
S
Y,
C
IIC4
IIC1
99
D
a
ta
[0
:7
],
V
H
_
T
P
_
C
L
K
VA
L
ID
EE
P
R
O
M
(A
T
2
4
C
5
1
2
)
IIC2
SD
R
AM
(
4
E
A)
(H
Y
57
V
64
16
20
B
)
SD
R
AM
(
4
E
A)
(H
Y
57
V
64
16
20
B
)
Si
d
e
A
V
V,
L
R
3
Si
d
e
A
V
V,
L
R
33
Re
a
r A
V
V,
L
R
3
Re
a
r A
V
V,
L
R
33
Re
a
r S
YC
2
Re
a
r S
YC
22
MN
T_
O
u
t
V
1
V
11
MS
P
4
4
5
0
Ex
t A
L
R
22
TP/
D
1
99
YC
b
C
r
H,
V
,C
L
K
FI
D
30
YC
b
C
r
2020
H,
V
,C
L
K
33
Y/
U
/
V
IIC3
Re
s
e
t
1010
T
P
[0
:7
],
TP
_
C
L
K
,
TP
_
v
a
li
d
CP
U
A
R
M
(S
3
C
4
4
B0
X
)
X-t
a
l
(1
0
M
)
I2
C
H
u
b
(P
C
A
95
16
)
IIC1
IIC2
IIC3
IIC4
IIC1
IIC2
IIC3
IIC4
IIC1
IIC2
IIC3
IIC4
KI
A
7
0
2
9
74
H
C
14D
Re
s
e
t
SD
R
A
M
(
2
EA
)
(H
Y
5
7
V
64
16
20
B
)
SD
R
A
M
(
2
EA
)
(H
Y
5
7
V
64
16
20
B
)
FLAS
H
(
2
E
A
)
(A
T
49B
V
160)
FLAS
H
(
2
E
A
)
(A
T
49B
V
160)
A/
V
S
W
(C
X
A
2069Q
)
V1
SU
B
(V
/
Y
O
U
T
2
)
VO
U
T
3
OU
T
1
Y1
/
C
1
IN3
HD
-
2
.4
-T
P
D
e-
M
u
x
-M
P
E
G
D
e
c
o
d
in
g
:
MP
@H
L
-F
o
rm
a
t C
o
n
v
e
rt
e
r
-H
o
s
t I/
F
,
M
e
m
o
ry
I/
F
-D
ig
it
al
I
/
F
-Vi
d
e
o
D
A
C
,
N
T
S
C
En
c
o
d
e
r
-A
C
-3
D
e
c
o
d
e
r/
SPD
IF
In
/
o
u
t
-I
E
P
2
SP
D
IF
Ou
t
SPD
IF
In
SPD
I
FO
ut
SD
R
A
M
I
/
F
Te
x
t
De
c
o
d
e
r
(S
D
A
6
001
)
EP
L
D
1
(X
C
951
44
X
L
)
C
o
n
tr
o
l GP
IO
Pe
ri
p
h
e
ra
l
Bu
s
S
PI
D
IF
_
IN
_
B
Y
PASS
88
2
RX
[
0
:2
]–
,RX
C
–
DD
C(
I2
C)
EEP
R
O
M
(A
T
2
4C
02N
)
33
YC
b
C
r
Vi
d
e
o
S
W
(C
X
A
2181Q
)
RG
B
-D
T
V
/-
P
C
5
RG
B
H
V
Co
m
p
_
1
YC
b
C
r
33
Co
m
p
_
2
YC
b
C
r
33
EP
L
D
1
(X
C
95144X
L
)
DV
I_
H
,V
,DE
FID
33
OR
3
IIC3
SI
F
PA
L
Tu
n
e
r
Ex
t A
L/
R
22
C
X
A
2069
Co
m
p
_
1
22
L/
R
Co
m
p
_
2
22
L/
R
So
u
n
d
Pr
o
c
(M
S
P
4450)
I2
S
Ou
t
33
HD
-I
I
HD
-I
I
I2
S
_
In
MN
T_
O
u
t
L/
R
22
RG
B
(P
h
o
n
e
)
22
L/
R
Au
d
io AD
C
(C
S
5331)
PW
M
MOD
U
LA
T
O
R
(N
S
P
2100A
)
I2
S
PWM
A
M
P
(T
A
S
5122)
PWM
A
M
P
(T
A
S
5122)
)
OR
1
OR
2
OR
3
3
OR
4
VC
X
O
27
M
hz
LG
D
P
L
L
(L
G
D
T
1
90
1B)
HD
2
_
V
D
P
C
lk
,
H
D
2_
N
T
2
C
L
K
R
S
-232C
(S
T
3
232)
OR
4
HD
-I
I
DV
B
PAL
RF
SP
L
ITTER
HV
,D
E
RG
B
30
3
DO
u
tC
lk
LV
D
S
T
x
.
(T
H
C
63
L
V
D
1
03
)
TX[
0
:4
]–
TX
C
–
12
LV
D
S
WA
F
E
R
E
EPR
O
M
(A
T
2
4C
02N
)
Bu
ff
er
(M
C
3
3
0
7
8)
CLK
11
OR
1
YC
b
C
r
3030
HD
M
I R
X
& A
D
C
(M
S
T
3
3
6
2
M
)
10
-b
it
HDM
I-S
te
reo
1A
+
1
D
Vi
d
e
o
A
/
D
H
Y
57
V
1
61
61
0
EE
P
R
O
M
(C
A
T
2
4
W
C
)
uC
o
m
(M
T
V
4
1
6
M
)
V4
Th
ro
u
g
h
ou
t
MAIN
(V
/
Y
O
U
T
1
)
SPD
IF
R
x
.
(C
S
8415)
R
X
_
H
DM
I_
S
P
DI
F
II
C
1
X_
ta
l
24
M
hz
2
DDC(
I2
C
)
2
H/
V
X-t
a
l
(2
4.
576
M)
1
TX
T
_
C
V
B
S
2
IIC2
TX
T
R
/
G
/
B
,
F
B
/H
/V
6
1
1
1
3
Pe
ri
p
h
e
ra
l
(F
M
S
6403
)
33
YC
b
C
r
Y/
U
/
V
3
H/
V
22
H,
V
,CL
K
OR
2
3
IIC4
FI
D
II
C
2
1
FI
D
OR
3
HD2_ICE958_OUT
1
IIC4
IIC2
II
C
2
2
HD2
_
S
Y
S
CL
K
1
EP
L
D
1
(X
C
95
288
X
L
)
2
H
D
2
_
S
Y
S
C
LK
,
E
P
LD
_
C
LK
IIC3
II
C
4
1
2
L/
R
S
C
K
/L
R
C
K
/L
R
C
H
3
S
C
K
/L
R
C
K
/L
R
C
H
4
SC
K
/
L
R
C
K
/
LR
C
H
/
M
S
C
K
1
MC
L
K
2
B
SS8
3
Vi
d
e
o
Dec
o
d
e
r
(u
P
D
64
015
)
3D
Y
/
C
S
ep
a
rat
o
r
- 18 -
EXPLODED VIEW
430
600
301
300
200
590
120
530
201
580
520
400
521
203
204
205
202
206
591
- 19 -
EXPLODED VIEW PARTS LIST
No.
PART NO.
DESCRIPTION
120
EAB33496901
Speaker,Full Range 5B084 ND 10W 8OHM 82DB 120HZ 147 X 42 X 31 LUG
200
EAJ37543301
LCD,Module-TFT LC320WX4-SLD2 WXGA 500CD 8ms(GTG), 10000K LG PHILIPS LCD
201
MJH32520201
Supporter PRESS EGI 1.2t GUIDE EGI METAL BAR, TOP (32LC4)
202
MJH32520401
Supporter PRESS EGI 1.2t GUIDE EGI METAL BAR, BOTTOM (32LC4)
203
MJH32520501
Supporter PRESS EGI 1.0t GUIDE EGI METAL BAR, FOR POWER (32LC4)
204
MJH32520601
Supporter PRESS EGI 1.0t GUIDE EGI METAL BAR, MIDDLE (32LC4)
205
MJH32520701
Supporter PRESS EGI 1.0t GUIDE EGI METAL BAR, FOR MAIN (32LC4)
206
MGJ32973601
Plate PRESS SECC 1.6 SUPPORTER SBHG-A METAL JIG BOTTOM
300
ABJ32885606
Cabinet Assembly 32LC7R-TB LP78A 32” H&C C/A + SHEET
ABJ32885611
Cabinet Assembly 32LC7R-TB LP78A 32” H&C C/A + SHEET FOR LGEIN LOCAL
301
ABA33211301
Bracket Assembly GRILLE 32LC7 LA73E SPEAKER GRILL BRACKET
ABA33211302
Bracket Assembly GRILLE 32LC7 LA73E SPEAKER GRILL BRACKET LGEIN PHANTOM
400
ACQ32467613
Cover Assembly,Rear 32LC7D-AB LP78A 32” BACK COVER ASSEMBLY AUSTRALIA only
ACQ32467623
Cover Assembly,Rear 32LC7D-AB LP78A 32” V0, BACK COVER ASSEMBLY FOR LGEIN
430
AAN31752702
Base Assembly STAND 32LC4D-NF LA64F STAND ASSY HEAT&COOL
AAN31752712
Base Assembly STAND 32LC7 TOOL LA64F SQUARE STAND ASSY
520
EBU36911001
Main Total Assembly 32LC7D-AB BRAND LB73A
EBU36911002
Main Total Assembly 32LC7D-AB BRAND LB73A FOR CKD LGEIN
521
MGJ32918103
Plate,Shield PRESS SPTE 0.5 SHIELD SPTE 32” everest3 chassis
530
EBR36994701
PCB Assembly SUB T.T LB73A 32LC7D-AB . Control Key Total Assy
EBR36994702
PCB Assembly SUB T.T LB73A 32LC7D-AB KAUVLJD Control Key Total Assy FOR CKD LGEIN
580
EAY34795001
Power Supply Assembly LGIT_32inch FREE Tornado 32inch LCD LGIT LCD Tornado 32inch
590
EBR36906001
PCB Assembly SUB T.T LB73A 32LC7D-AB . IR for DMS
EBR36906002
PCB Assembly SUB T.T LB73A 32LC7D-AB KAUVLJD IR FOR CKD LGEIN
591
MES36332301
Indicator MOLD ABS LED&PRE AMP 47LC7 PMMA 7 PHY NONE
600
EBR36910601
PCB Assembly SUB T.T LB73A 32LC7D-AB . SIDE AV
EBR36910602
PCB Assembly SUB T.T LB73A 32LC7D-AB KAUVLJD SIDE AV FOR CKD LGEIN
- 20 -
C1 0CH5101K416 C2012C0G1H101JT 100pF 5% 50V C0G -55TO+125
C100
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1000
0CE476WF6DC
MVK6.3TP16VC47M 47uF 20% 16V 80MA -40TO+10
C1001
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1002
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1003
0CE476WF6DC
MVK6.3TP16VC47M 47uF 20% 16V 80MA -40TO+10
C1003
EAE30840401
25SVPD10M 10uF 20% 25V 1.5A -55TO+125C SVP
C1004
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1005
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1005
EAE30840401
25SVPD10M 10uF 20% 25V 1.5A -55TO+125C SVP
C1006
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1007
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1008
0CC100BKF1A
0402N100J500LT 10pF 5% 50V C0G -55TO+125C
C101
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1010
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1010
EAE30840401
25SVPD10M 10uF 20% 25V 1.5A -55TO+125C SVP
C1011
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1012
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1013
0CK102BK56A
0402B102K500CT 1nF 10% 50V X7R -55TO+125C
C1014
0CK102BK56A
0402B102K500CT 1nF 10% 50V X7R -55TO+125C
C1015
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1016
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1016
EAE30840401
25SVPD10M 10uF 20% 25V 1.5A -55TO+125C SVP
C1017
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1018
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1019
0CE336WH6D8
MVK6.3TP25VC33M 33uF 20% 25V 45MA -40TO+10
C102
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1020
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1021
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1022
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1023
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1024
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1025
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C103
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C104
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C105
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C106
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C107
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C108
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C109
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C110
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C1100
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1101
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1102
0CE476WF6DC
MVK6.3TP16VC47M 47uF 20% 16V 80MA -40TO+10
C1103
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1104
0CE226WF6DC
MVK5.0TP16VC22M 22uF 20% 16V 30MA -40TO+10
C1105
0CC020CK01A
C1608C0G1H020CT 2pF 0.25PF 50V C0G -55TO+1
C1106
0CC020CK01A
C1608C0G1H020CT 2pF 0.25PF 50V C0G -55TO+1
C1107
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1108
0CC560BK41A
C1005C0G1H560JT 56pF 5% 50V C0G -55TO+125C
C1109
0CC560BK41A
C1005C0G1H560JT 56pF 5% 50V C0G -55TO+125C
C111
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1110
0CC560BK41A
C1005C0G1H560JT 56pF 5% 50V C0G -55TO+125C
C1113
0CE335WK6D8
MVK4.0TP50VC3.3M 3.3uF 20% 50V 14MA -40TO+
C1115
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C1119
0CE226WF6DC
MVK5.0TP16VC22M 22uF 20% 16V 30MA -40TO+10
C112
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1120
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C1121
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1122
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C1123
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1124
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1125
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1126
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C1127
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1128
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1129
0CK101BK4EA
C1005C0G1H101JT 100pF 5% 50V C0G -55TO+125
C113
0CE476WF6DC
MVK6.3TP16VC47M 47uF 20% 16V 80MA -40TO+10
C1130
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1131
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1132
0CK222BKG6A
0402B222K500CT 2.2nF 10% 50V X7R -55TO+125
C1133
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C1134
0CK471BK56A
C1005X7R1H471KT 470pF 10% 50V X7R -55TO+12
C1135
0CE335WK6D8
MVK4.0TP50VC3.3M 3.3uF 20% 50V 14MA -40TO+
C1136
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1137
0CE107WF6DC
MVK6.3TP16VC100M 100uF 20% 16V 80MA -40TO+
C1138
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1139
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C114
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1140
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C1141
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C1142
0CK474CH94A
0603F474Z250CT 470nF -20TO+80% 25V Y5V -30
C1143
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1144
0CE475WK6DC
MVK5.0TP50VC4.7M 4.7uF 20% 50V 19MA -40TO+
C1145
0CE475WK6DC
MVK5.0TP50VC4.7M 4.7uF 20% 50V 19MA -40TO+
C1146
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C115
0CK103BH56A
C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12
C116
0CH5220K618
0402N220M500LT 22pF 5% 50V C0G -55TO+125C
C117
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C118
0CH5220K618
0402N220M500LT 22pF 5% 50V C0G -55TO+125C
C119
0CC271CK41A
C1608C0G1H271JT 270pF 5% 50V C0G -55TO+125
C120
0CC821CK41A
0603N821J500LT 820pF 5% 50V C0G -55TO+125C
C1200
0CK101BK4EA
C1005C0G1H101JT 100pF 5% 50V C0G -55TO+125
C1201
0CK102BK56A
0402B102K500CT 1nF 10% 50V X7R -55TO+125C
C1202
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1203
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1204
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
C1205
0CE106WFKDC
MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10
C1207
0CK104BF56A
C1005X7R104KET 100nF 10% 16V X7R -55TO+125
LOC. NO.
PART NO.
DESCRIPTION / SPECIFICATION
LOC. NO.
PART NO.
DESCRIPTION / SPECIFICATION
REPLACEMENT PARTS LIST
DATE: 2007. 05. 09.
CAPACITORs
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