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9-9
Power Supply Block Diagram [22PFL3504D/F7]
A9172BLP
HO
T
COLD
MAIN CB
A
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTR
OL
1
4
3
2
IC601
T601
2
LINE
FIL
TER
L601
AC
6
0
1
A
C
CORD
BRIDGE
RECTIFIER
D601- D604
4
3
11
15
10
9
16
14
13
12
7
6
FEED
BA
CK
Q601
SWITCHING
Q631
CN201
CN301
CN3701
Q202,Q203
SWITCHING
Q632
Q206
SW
-7.1V
Q402
Q201,D202
SW+13V
Q634
IC631
+3.3V
REG.
2
3
Q633
Q638,Q639
Q635,Q636
SW+5V
Q637
SW+5V
Q641
SW+9V
Q640,D662
SW+3.3V
4A/125V
F601
4A/125V
P-ON-H1
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
P-ON-H2
+5V REG.
PROTECT2
PROTECT1
SWITCHING
INV+31V
P-ON+5V
AL+3.3V
SP+14V
TUNER+5V
P-ON+9V
P-ON+3.3V
P
A
NEL+13V
P
A
NEL+15V
19,20
21,22
13,14
P-ON+3V
P-ON+7V
AL+3.3V
P-ON+3.3V
P-ON+5V
LCD MODULE ASSEMBL
Y
DIGIT
A
L MAIN CB
A UNIT
P
A
NEL-7.1V
8
P-ON+3.3V
19,20
P-ON+3.3V
6,7
P
ANEL+24.5V
4
P
ANEL+13V
2,3
AL+3.3V
21,22
16
10
P-ON+7V
16
P-ON+3V
10
P-ON+5V
13,14
Q205
SW+24.5V
VCOM
10
VCOM
SW+12.5V
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.
Содержание 19PFL3504D/F7
Страница 14: ...4 2 A91N2DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 2 S 3 Fig D1 ...
Страница 18: ...4 6 A9172DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 2 S 3 Fig D1 ...
Страница 46: ...10 3 A91N2SCM1 Main 1 4 Schematic Diagram 19PFL3504D F7 ...
Страница 47: ...10 4 A91N2SCM2 Main 2 4 Schematic Diagram 19PFL3504D F7 ...
Страница 48: ...10 5 A91N2SCM3 Main 3 4 Schematic Diagram 19PFL3504D F7 ...
Страница 50: ...10 7 A9172SCM1 Main 1 4 Schematic Diagram 22PFL3504D F7 ...
Страница 51: ...10 8 A9172SCM2 Main 2 4 Schematic Diagram 22PFL3504D F7 ...
Страница 52: ...10 9 A9172SCM3 Main 3 4 Schematic Diagram 22PFL3504D F7 ...
Страница 54: ...10 11 A91N2SCJ Jack Schematic Diagram ...
Страница 55: ...10 12 A91N2SCF Function Schematic Diagram ...
Страница 56: ...10 13 A91N2SCIR IR Sensor Junction Schematic Diagram ...
Страница 71: ...10 28 BA91N2F01021 A Jack CBA Top View ...
Страница 72: ...10 29 BA91N2F01021 A Jack CBA Bottom View ...