LG 32LB9D / 32LB9DB / 32LB9DE (CHASSIS:LA73A) Service Manual ▷ View online
- 29 -
AT
I
(X
260)
I2
C
Ma
s
te
r
AT
/
N
T
T
u
n
e
r
0x
C
2
HDM
I
AD
C
(M
S
T
3361)
0X
9C
Te
m
p
.
Se
n
s
o
r
(L
M
75)
0X
9
4
U-
C
o
m
(M
T
V
416)
0x
50
I2C
_
C
H
1
(
+
3.
3V
_
L
&
+
5V
_
L
)
I2C
_
C
H
2
(
+
3.
3V
_
L
&
+
5V
_
L
)
I2C
_
C
H
3
(
+
3.
3V
_
L
)
Po
rt
Ex
p
a
n
d
e
r
(M
62320)
0X
74
Au
d
io
Sw
it
c
h
(M
S
P
4450K
)
0X
80
DA
S
P
(N
T
P
3
000)
0X
5
4
PD
P
M
o
d
u
le
0x
1C
VS
B
/
Q
A
M
(L
G
D
T
3703)
Ma
in
0X
1C
Li
v
e
D
ead
C
S
8416A
0X
20(
W
)
0X
21(
R
)
EE
P
R
O
M
(24L
C
512)
0x
A
6
CH
1
CH
2
CH
3
F
R
C
9
4
XYH
0x
D
4
EE
P
R
O
M
(24L
C
16)
5V
5V
5V
2.
5V
- 30 -
+
12.0V
+
12.0V
+6
.0
V
+6
.0
V
C
S
4344
C
S
4344
C
S
5340
C
S
5340
PQ05
D
Z
1
U
PQ05
D
Z
1
U
KI
A
7
8R09
KI
A
7
8R09
FAN
1
FAN
1
KI
A
7
8R09
KI
A
7
8R09
FAN
2,
3
FAN
2,
3
M
C
3
3078
M
C
3
3078
X260
X260
HY
B18
T512
(4EA
)
HY
B18
T512
(4EA
)
A
Z
1117
H
-1.8
A
Z
1117
H
-1.8
LM7
5
LM7
5
IC
L3232
CB
N
Z
IC
L3232
CB
N
Z
+
5
.0
VS
T
+5
.0
V
S
T
+
3
.3
V_L
+3
.3
V
_
L
AT
/N
T Tune
r
AT
/N
T Tune
r
+5V
_
L
+5.
0V
S
I3865
S
I3865
PQ05
D
Z
1
U
PQ05
D
Z
1
U
Live
Dead
Live-o
n
A
Z
1117
H
-3.3
A
Z
1117
H
-3.3
LG
D
T
3703
(M
AIN
)
LG
D
T
3703
(M
AIN
)
S
C
1565
-1.8
S
C
1565
-1.8
IS
L6549
CB
IS
L6549
CB
1.2
V
1.8
V
IS
L6549
CB
IS
L6549
CB
1.8
V
M
K
3727
D
M
K
3727
D
74LV
T16373
(2
EA
)
74LV
T16373
(2
EA
)
S29GL256
S29GL256
T
H
C
63LV
D
1023
T
H
C
63LV
D
1023
+3.
3V
_
L
HY
B18
T512
(4EA
)
HY
B18
T512
(4EA
)
M
K
3727
D
M
K
3727
D
+
19.0V
+
19.0V
N
T
P3000
N
T
P3000
N
T
P3000
N
T
P3000
1.8
V
BA033
FP-3
.3
BA033
FP-3
.3
M
T
V
416
M
T
V
416
AZ1086
-1
.8
AZ1086
-1
.8
A
Z
1117
H
-3.3
A
Z
1117
H
-3.3
S
C
1565
-2.5
S
C
1565
-2.5
M
S
T
3369
M
S
T
3369
9.0
V
T
E
A6420
T
E
A6420
9.0
V
C
S
8416
C
S
8416
KI
A
7
8R09
KI
A
7
8R09
M
K
3727
D
M
K
3727
D
M
IC
2505
M
IC
2505
3
.3V
ST
_MIC
OM
24
C08
24
C08
F
R
C
94XY
H
F
R
C
94XY
H
Live-o
n
24
C512
24
C512
S
T
M
A
V335
S
T
M
A
V335
ISP1504
ISP1504
M
IC
2505
M
IC
2505
K
IA7805
K
IA7805
A
Z
1085
S
-3.3
A
Z
1085
S
-3.3
A
Z
1085
S
-1.8
A
Z
1085
S
-1.8
24
C16
24
C16
FRC
FRC
S
C
1565
-2.6
S
C
1565
-2.6
M
IC
3910
-2
.5
M
IC
3910
-2
.5
S
C
1592
-1.0
S
C
1592
-1.0
12.0
V
HY
5
D
U281622
HY
5
D
U281622
S
C
2595
-1.0
S
C
2595
-1.0
- Power
MEMO
- 31 -
- 32 -
EXPLODED VIEW
430
300
120
591
590
530
700
200
204
205
581
206
580
600
520
202
203
521
400
201
200N
200T
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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