1-11-5
Power Supply Block Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1000) 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.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
"Ce symbole reprèsente un fusible à fusion rapide."
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
ATTENTION : Pour une protection continue les risqes
d'Incele n'utiliser que des fusible de m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
E5W21BLP
HOT
COLD
Q1001
Q1002
IC1001
6
5
T1001
12
8
11
9
10
7
W1
F1000
2A/250V
LINE
FILTER
L1001
A V
F
3
4
IC1003
ERROR
VOLTAGE DET
IC1011
ERROR
VOLTAGE DET
1
2
SHUNT
REG.
D1001 - D1004
BRIDGE
RECTIFIER
SWITCHING
HOT CIRCUIT. BE CAREFUL.
POWER SUPPLY CBA
BD MAIN CBA UNIT
AC CORD
CN1000
1
3
IC6101
+10.5V REG.
IC6103
+3.3V REG.
IC6104
+1.2V REG.
IC6102
+8V REG.
SW+3.3V
Q6102
Q6103
Q6104
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
PWSW4
PWSW1
PWSW2
PWSW3
2
1
5-10
EV+11V
5-10
CN1001
CN6102
P-ON+10.5V
P-ON+3.3V
P-ON+1.2V
IC6105
+1.8V REG.
P-ON+1.8V
IC6106
+5V REG.
P-ON+5V
A+8V