LG 47LY3DE-AA (CHASSIS:LB75B) Service Manual ▷ View online
- 17 -
TROUBLESHOOTING & BLOCK DIAGRAM
- 18 -
- 19 -
+
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
KIA
7
8R09
KIA
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
1.2V
1.8V
1.8V
+3.3V_L
12.0V
Live-on
3.3VST_MICOM
9.0V
9.0V
_L
+5.
0V
S
I3865
S
I3865
PQ
05
D
Z
1
U
PQ05
D
Z
1
U
Live
Dead
+
19.0V
NTP3000
KIA78R09
SC1565-2.5
MST3369
24C08
AZ1117H-3.3
KIA7805
AZ1085S-3.3
BA033FP-3.3
MTV416
24C16
AZ1085S-1.8
TEA6420
FRC94XYH
STMAV335
MIC2505
ISL6549CB
SC1565-1.8
MIC3910-2.5
ISL6549CB
THC63LVD1023
NTP3000
CS8416
HYB18T512(4EA)
74LVT16373(2EA)
MK3727D
S29GL256
ISP1504
MIC2505
SC1565-2.6
FRC
SC1592-1.0
SC2595-1.0
HY5DU281622
24C512
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