Technics SL-DZ1200PP

DZ1200 POWER circuit board power supply circuit block diagram
Fig 9
POWER
AC input
100~240V S1101 F1101 L1120 D1140 T1150 D1403
Power supply switch
FUSE L1121 Rectifier Switching Diode -15V
Line filter diode
transformer
1.6A
IC1150
Switching IC
MR1722
D1271 D1261
Diode Diode
Q1200 IC1200 +20V
Photocoupler
Voltage detection
+7V
IC1302
Three-terminal
+5V
regulator
IC1410
Switching
+3.3V
regulator
IC1201
Three-terminal
+15V
regulator
Refer to the item "Outline of the parts", POWER (power supply).