Block Diagram - NAD M27 Service Manual

CHANNEL 1/ 7
unbalanced
Analog Input
balanced
100-120VAC
220-240VAC

Block diagram

OP
LME49720
Relay
LED
TOUCH
CY8CMBR2044
TRIGGER
3.5m m
Audio sense on/off
5V
LDO
STB PSU
AC
MAIN PSU
CMR DC servo
TL072 TL072
Clipping controler
OPA2134
Micro controller
IIC/SPI/GPIO
PIC18F26K20
STB
3V3
ENABLE
+/-VB
+/-VDR
Regulated supply
+/-VAUX
LM317/LM337
7
OP Hypex
LME49720
NC400 OEM Module
IIC
Current sensor
TL084CN
Regulated supply
+/-17.5V
LM317/LM337