4A/125V
F601
4A/125V
LINE
FILTER
L601
AC601
AC CORD
DEGAUSSING
COIL
DG691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HOT
COLD
T601
2
1
11
9
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 PIN32 OF IC333)
P-ON+8V
P-ON+5V
P-ON+5V
AL+12V
P-ON-H
(FROM PIN29 OF IC111)
+5V CTRL
(FROM PIN49 OF IC333)
+8V CTRL
(FROM PIN47 OF IC333)
L6118BLP
6-7
6-8
AL+33V
AL+9V
Q121
+9V
SWITCHING
Q351
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
Switching 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.
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE
-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
4A/125V
Power Supply Block Diagram
GND
TP300
+B
TP601
(SWITCHING)
Q696
RL601
DG-ON-H
(FROM PIN11 OF IC111)
HOT CIRCUIT. BE CAREFUL.
6
5
4
8
12
9
AL+12V