7-7
Power Supply Block Diagram
A8AN5BLP
HOT COLD
POWER SUPPLY CBA
Q602
SWITCHING
CONTROL
14
3 2
IC603
T601
7
5
9
16
10
11
15
12
13
14
3
2
FEED
BACK
Q601
SWITCHING
Q631
CN301 CN3601
Q632,Q634
SWITCHING
Q646
SW-12V
Q502
Q645,D648
SW+13V
Q650
IC637
+3.3V
REG.
23
Q633
Q639,Q671
Q637
SW+5V
Q801
SW+9V
Q638,D634
SW+3.3V
P-ON-H1
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
P-ON-H2
RESET
+5V REG.
PROTECT2
PROTECT1
SWITCHING
+35V
P-ON+5V
AL+3.3V
AL+13V
P-ON+9V
RESET
Q501
LCD-6.8V8
P-ON+3.3V
14,15
LCD+3.3V10
+3.0V(1)
18,19
+3.0V16
LCD+24.5V6
LCD+13V7
AL+3.3V12
P-ON+5V20
16
9,10
14
5,6
8
18
17
12
4
LCD+13V
LCD+24.5V
LCD-6.8V
LCD+3.3V
AL+3.3V
P-ON+2.0V
+2.0V REG.
IC3302
+1.8V
+1.8V REG.
IC3601
+1.1V
+1.1V REG.
IC3603
P-ON+5V
DIGITAL MAIN CBA UNIT
4A/125V
F601
4A/125V
LINE
FILTER
L601
AC601
AC CORD
BRIDGE
RECTIFIER
D609 - D612
+35V1
FEEDBACK2
INV+22V3,4
CN309
TO
INVERTER
BLOCK
DIAGRAM
(CL403)
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 même type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
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