AC 120V
SWITCHING
REGULATOR
Q501, Q502
T501
STAND BY L
P.CON SW
Q508
VOLTAGE CTL
IC501
TL431AILP
P.CON SW
Q513
9V REG.
IC503
KIA7809API
P.CON SW
Q505
P.CON+9V
AT+D5V
P.CON+D5V
+3.3V (AT)
AT+3.3V
FILAMENT-
-20V
P.CON+A5V
F
POWER BLOCK DIAGRAM
Q503
5V REG
E-3
E-4