10-9
Power Supply Block Diagram [37MD359B/F7, LD370SSX, 37MD350B/F7]
A94G2BLP
HO
T
COLD
PO
WER SUPPL
Y CB
A
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTR
OL
1
4
3
2
IC601
T601
TO
INVER
TER
BLOCK
DIA
GRAM
(CN1900)
CN602
3
HO
T
-GND
1
AC
L
2
CN601
A
C
120V
1
A
C
120V
2
LINE
FIL
TER
L601
A
C
CORD
BRIDGE
RECTIFIER
D601- D604
5
4
11
14
12
17
18
13
16
15
19
9
7
8
FEED
BA
CK
Q601
SWITCHING
Q631
CN201
CN1001
CN401
CN301
CN3701
Q207,Q208
SWITCHING
Q211
SW
-8V
SW
Q401
Q209,D204
SW+16V
Q904,D906
SW+3.3V
Q903,D905
SW+3.3V
Q635
IC631
+3.3V
REG.
2
3
Q634
Q638,Q639
Q641,643
SW+5V
Q640
SW+5V
Q642
SW+9V
Q501
SW+16V
Q637,D666
SW+3.3V
IC901
+1.2V REG.
LINE
FIL
TER
L602
4A/125V
F601
4A/125V
P-ON-H1
T
O
SYSTEM
CONTR
O
L
BLOCK
DIA
GRAM
P-ON-H2
+5V REG.
PROTECT2
DVD-MAIN-PWR
PROTECT1
SWITCHING
AL+33V
P-ON+5V
AL+3.3V
AL+13V
TUNER+5V
P-ON+9V
19,20
12
2
8,9
21,22
13,14
LCD+16V
LCD-8V
INV+16V
VG
H
P-ON+3.3V
P-ON+3V
P-ON+7V
AL+3.3V
P-ON+3.3V
P-ON+5V
AL+3.5V
D
V
D-ON+3.3V
EV+3.3V
D
V
D-ON+5V
EV+9V
EV+1.2V
INVER
TER CB
A
D
VD MAIN CB
A UNIT
DIGIT
AL MAIN CB
A UNIT
13
LCD-8V
13
P-ON+3.3V
19,20
P-ON+3.3V
12
10
VG
H
10
INV+16V
2
LCD+16V
8,9
AL+3.3V
21,22
16
10
P-ON+7V
16
P-ON+3V
10
P-ON+5V
13,14
Q210
Q201,Q202,
Q212
SW+24.5V
Q901,Q902
SWITCHING
10
11,12
6~8
4,5
9
D
V
D-ON+5V
10
EV+9V
11,12
1
AL+3.3V
1
EV+3.3V
6~8
EV+1.2V
4,5
D
VD-ON+3.3V
9
CN901
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de m
ê
me type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Summary of Contents for 32" LCD TV/DVD
Page 17: ...5 3 A94F1DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 4 S 2 S 3 S 2 S 2 S 4 S 4 Fig D1 ...
Page 24: ...5 10 A94G2DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 3 S 2 S 2 Fig D1 ...
Page 59: ...11 4 A94F0SCM2 Power Supply 2 4 Schematic Diagram ...
Page 60: ...11 5 A94F0SCM3 Power Supply 3 4 Jack Schematic Diagram ...
Page 61: ...11 6 A94F0SCM4 Power Supply 4 4 Schematic Diagram ...
Page 65: ...11 10 A94F0SCF Function Schematic Diagram ...
Page 66: ...11 11 A94F0SCIR IR Sensor Junction Schematic Diagram ...
Page 78: ...11 23 A94F0SCDV2 DVD Main 2 3 Schematic Diagram ...
Page 79: ...11 24 A94F0SCDV3 DVD Main 3 3 Schematic Diagram ...