9-6
A0C72BLP
Power Supply Block Diagram
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
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.
HO
T
COLD
MAIN CB
A
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTR
OL
1
4
3
2
IC605
T601
3
LINE
FIL
TER
L601
AC
6
0
1
A
C
CORD
BRIDGE
RECTIFIER
D602, D604, D605, D607
1
2
16
15
14
13
12
11
10
9
5
6
FEED
BA
CK
Q601
SWITCHING
Q603
CN301
CN402
CN3701
LCD MODULE ASSEMBLY
Q612, Q613
SWITCHING
Q611
SW
-6.8V
Q604
Q607
Q616
SW+5V
Q605
Q609
SW+11V
Q615
SW+13V
Q606,D671
SW+3.3V
SW+3.3V
F601
T4A H 250V
P-ON-H1
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
P-ON-H2
PROTECT1
Q610
P-ON+5V
AL+3.3V
AL+15V(1)
P-ON+11V
13-16
10
27-29
AL+3.5V
AL+5.5V
AL+3.3V
P-ON+3.3V
P-ON+5V
DIGIT
AL MAIN CB
A UNIT
P-ON+3.3V
13-16
P-ON+3.3V
6,7
P
A
NEL+25.6V
4
LCD-5.5V
8
P
A
NEL+12.5V
2,3
AL+3.3V
10
24,26
19-21
AL+5.5V
24,26
AL+3.5V
19-21
P-ON+5V
27-29
AL+33V
AL+7.5V
Q608
Q617
Содержание A0C72EP
Страница 13: ...4 2 A0C72_73DC 2 Rear Cabinet 1 Stand Assembly S 3 S 2 S 2 S 2 S 2 S 2 S 4 S 5 S 1 Fig D1...
Страница 36: ...10 4 A0C72SCM2 Main 2 Schematic Diagram...
Страница 37: ...10 5 A0C72SCM3 Main 3 Schematic Diagram...
Страница 38: ...10 6 A0C72SCM4 Main 4 Schematic Diagram...
Страница 39: ...10 7 A0C72SCF Function Schematic Diagram...
Страница 40: ...10 8 Jack Schematic Diagram A0C72SCJ...
Страница 50: ...10 18 Jack CBA Function CBA Top View Function CBA Not Used Jack CBA BA0C70F01021...
Страница 51: ...10 19 Jack CBA Function CBA Bottom View BA0C70F01021 Function CBA Not Used Jack CBA...
Страница 75: ...LH850 M22 LH851 M22 A0C72EP A0C73EP 2010 07 31...