Power Supply Block Diagram
HG421BLP
1-7-5
2
4
16
6
7
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
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.
COLD
MAIN CBA
HOT CIRCUIT. BE CAREFUL.
HOT
IC001
ERROR
VOLTAGE DET
Q002
Q003
Q001
F001
L003
LINE
FILTER
BRIDGE
RECTIFIER
D001 - D004
1
2
3
4
Q004
AC001
T001
P-ON+44V
P-ON+15V
12
P-ON-H
AL+12V/+20.5V
AL+9V
AL+12V
C-POW-SW
AL+5V
TIMER+5V
P-ON+5V
P-DOWN-L
Q051
Q053
Q054
Q056
Q052
Q057
Q058
13
15
14
11
17
18
T1.6A L 250V
Q055
Q059
SHUNT
REGULATOR
Summary of Contents for VCX606
Page 23: ...1 8 3 1 8 4 HG421SCM1 Main 1 7 Schematic Diagram...
Page 24: ...Main 2 7 Sensor Schematic Diagrams 1 8 5 1 8 6 HG421SCM2...
Page 25: ...Main 3 7 Schematic Diagram 1 8 7 1 8 8 HG421SCM3...
Page 26: ...Main 4 7 Jack Sub Jack Schematic Diagrams 1 8 9 1 8 10 HG421SCM4...
Page 28: ...1 8 13 1 8 14 HG421SCM6 Main 6 7 Schematic Diagram...
Page 29: ...HG421SCM7 Main 7 7 Schematic Diagram 1 8 15 1 8 16...
Page 30: ...1 8 17 1 8 18 HG421SCAFV AFV Schematic Diagram...
Page 33: ...1 8 23 1 8 24 Jack CBA Top View Jack CBA Bottom View BHG470F01014C...
Page 40: ...1 13 1 HG420FEX EXPLODED VIEWS Front Panel A1X...
Page 76: ...VCX606 HG421FD 2004 07 20...
