6-4 Power Supply Block Diagram
18
IC1006
(SHUNT REGULATOR)
REG
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
AC1001
AC CORD
F1001
LINE
FILTER
L1001
D1001, D1002
D1004, D1005
Q1003
Q1001
2
4
7
3
4
IC1001
ERROR
VOLTAGE DET
T1001
11
12
13
15
14
16
17
18
SWITCHING
SWITCHING
CONTROL
1
2
6
BRIDGE
RECTIFIER
HOT
AV CBA
HOT CIRCUIT. BE CAREFUL.
D1003
RECTIFIER
D1030
RECTIFIER
D1016
RECTIFIER
Q1016
Q1006
Q1005
Q1011
Q1015
Q1002
CN1001
Q1004
-FL
EV+5V
F2
F1
P-ON+12V
EV+3.3V
P-ON+5V
P-ON+3.3V
FROM/TO
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
+1.5V
REG.
IC1002
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.
Q1008
LATCH
D1006
SCHOTTKY
BARRIER
SCHOTTKY
BARRIER
D1008
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
T1.6A L 250V
Q1050
Содержание DVP335E
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