Denon PMA-2020AE - IC Diagrams and Application Circuits

40
LB1930MC (U602)
NJU7181RB1 (U303, U304)
No. Symbol Function
1 IN AC Input
2 AMP_OUT Amplier Output
3 TRIN External Trigger Input
4 GND Ground
5 CAP_D Delay Time Capacitor
6 RES_D Delay Time Resister
7 OUT DC Output
8 V
+
Supply Voltage
Block Diagram and Sample Application Circuit
V
CC
IN1
IN2
S-GND
OUT1
OUT2
P-GND
3
60kΩ
80kΩ
4
60kΩ
80kΩ
9
7
1
5 6
M
CPU
Control block
C1=1µF