Denon DVD-910 Service Manual page 24

Q Q
3 7 6 3 1 5 1 5 0
Power Supply Block Diagram
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1001) 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.
HOT CIRCUIT. BE CAREFUL.
D1001, D1002
AC1001
L1001 D1004, D1005
AC CORD F1001
1A 250V
LINE BRIDGE
FILTER RECTIFIER
F
A V
T E
L 1 3 9 4 2 2 9 6 5 1 3
HOT
w w w
.
F
A
T1001
2
Q1003 Q1001
SWITCHING
SWITCHING 4
CONTROL
7
6
IC1001
ERROR
VOLTAGE DET
4
3
x a o
y
i
AV CBA
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8
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
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."
D1003
11 RECTIFIER
D1006
SCHOTTKY
12
BARRIER
D1008
Q1010
SCHOTTKY
13
BARRIER
D1015
D1030
Q Q
3 7 6 3
14 RECTIFIER
15
Q1011
16
D1016
Q1005
17 RECTIFIER
Q1015
18
Q1016
1
2
u 1 6 3
IC1006 REG
(SHUNT REGULATOR)
.
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9 2 4 9 8
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
IC1002
+1.5V
REG.
Q1014
Q1002
Q1012
1 5 1 5 0 8 9 2 4
Q1004
PWSW
PWRCON
m
c o
DVD-910
24
2 9 9
-FL
F1
F2
EV+3.3V
P-ON+9V
EV+5V
P-ON+5V
P-ON+3.3V
FROM/TO
9 8 2 9 9
CN1001 CN401
1,2,3 EV+1.5V
4,5 EV+3.3V
14,15 EV+9V
13 P-ON+5V
17 P-ON+3.3V
FROM SYSTEM
CONTROL/SERVO
BLOCK DIAGRAM