Hitachi DV-P335E Manuel Technique page 43

6-4 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
D1004, D1005
AC CORD F1001 L1001
T1.6A L 250V
LINE BRIDGE
FILTER RECTIFIER
Q1008
LATCH
HOT
18
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
T1001
2
Q1003 Q1001
SWITCHING
SWITCHING 4
CONTROL
7
6
IC1001
ERROR
VOLTAGE DET
AV CBA
D1003
11 RECTIFIER
D1006
SCHOTTKY
12
BARRIER
D1008
SCHOTTKY
13
BARRIER
D1030
14 RECTIFIER
15
16
D1016
Q1005
17 RECTIFIER
Q1015
18
4 1
3 2
IC1006
REG
(SHUNT REGULATOR)
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
IC1002
+1.5V
REG.
Q1002
Q1050
Q1011
Q1004
Q1016
Q1006
-FL
F1
F2
EV+3.3V
P-ON+12V
EV+5V
P-ON+5V
P-ON+3.3V
FROM/TO
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
19 PWRCON