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Power Supply Block Diagram
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
HOT CIRCUIT. BE CAREFUL.
F
A
V
F001
L001
AC001
1A 250V
LINE
FILTER
HOT
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
F
REPLACE ONLY WITH THE SAME TYPE FUSE.
A
V
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE
-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
D001 - D004
BRIDGE
RECTIFIER
Q001
Q002
(SHUNT REGULATOR)
1-8-9
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F001) 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.
T001
2
11
12
4
18
13
14
15
Q052
7
16
6
17
IC001
ERROR
VOLTAGE DET
4
1
3
2
3
REG
1
IC002
2
AL+33V
AL+12V
AL+15V
P-ON+9V
AL+5V
P-ON+5V
TIMER+5V
P-DOWN-L
Q056
P-ON-L
Q055
Q057
COLD
MAIN CBA
1-8-10
HD310NBLP
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