4A/125V
F601
4A/125V
LINE
FILTER
L601
JS601 DCT1303R
AC601
AC CORD
DEGAUSSING
COIL
DG691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HOT
COLD
T601
6
4
2
1
11
12
8
10
7
4
3
1
2
IC601
ERROR
VOLTAGE DET
Q601
Q602
LIMITER
SWITCHING
Q662
FEED
BACK
VR661
+B
ADJ
Q676
SWITCHING
CONTROL
Q675
SWITCHING
P-ON-ON
SWITCHING
Q671
Q683
Q682
Q681
+8V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
MAIN CBA
+B
DEF +B
AL+5V
+5V CTRL2
(FROM PIN18 OF IC111)
P-ON+8V
P-ON+5V
P-ON+5V
AL+12V
P-ON-H
(FROM PIN79 OF IC111)
+5V CTRL
(FROM PIN28 OF IC111)
+8V CTRL
(FROM PIN40 OF IC111)
L6415BLP
6-7
6-8
AL+33V
PROTECT-2
(TO PIN67 OF IC111)
BACK-UP
AL+9V
Q111
+9V
SWITCHING
Q321
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Power Supply Block Diagram
GND
TP300
+B
TP601
HOT CIRCUIT. BE CAREFUL.
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE 4 A, 125V FUSE.
CAUTION:
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A, 125V.
4A/125V
PROTECT-1
(TO PIN68 OF IC111)
DCT1903R
DG-ON-H
(FROM PIN74 OF IC111)
Q696
RL601
SWITCHING
DG-ON-ON
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) 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.