Denon DVM-2815 Service Manual page 28

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
Q1008
LATCH
CAUTION
F FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
A V
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
T1001
2
Q1003 Q1001
SWITCHING
SWITCHING 4
CONTROL
7
6
IC1001
ERROR
VOLTAGE DET
HOT
AV CBA
-REPLACE FUSE AS MARKED.
D1003
11 RECTIFIER
D1006
SCHOTTKY
12
BARRIER
D1008
SCHOTTKY
13
BARRIER
D1030
14 RECTIFIER
15
16
Q1015
D1016
17 RECTIFIER
18
4 1
3 2
IC1006 REG
(SHUNT REGULATOR)
28
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Q1002
P-ON+9V
P-ON+5V
P-ON+3.3V
Q1004
Q1016
IC1002
+1.5V
REG.
Q1010
Q1012
Q1014
Q1005
Q1011
DVM-2815 28
TO CN7101
CN1603
3 P-ON+9V
6 P-ON+3.3V
7 P-ON+3.3V
TO CN401
CN1001
1 EV+1.5V
2 EV+1.5V
3 EV+1.5V
4 EV+3.3V
5 EV+3.3V
13 P-ON+5V
14 EV+9V
15 EV+9V
17 P-ON+3.3V
CN1102 TO CN3102
1 F1
2 F2
3 -FL
4 EV+9V
5 EV+5V
6 P-ON+3.3V
7 CHG+3.3V
8 PWSW