7
OP
LM E49720
CM R
TL072
DC servo
TL072
OP
LM E49720
Hypex
NC400 OEM M odule
M icro controller
IIC/SPI/GPIO
PIC18F26K20
LED
TOUCH
TRIGGER
IIC
Analog Input
unbalanced
balanced
100-120V A C
220-240V A C
STB PSU
5V
M AIN PSU
+/-VB
+/-VDR
+/-VAUX
LDO
AC
ENABLE
3V3
Regulated supply
LM 317/LM 337
+/-17.5V
Regulated supply
LM 317/LM 337
+/
-1
4.
5V
Clipping controler
OPA2134
Relay
Current sensor
TL084CN
STB
Audio sense on/off
3.5mm
CY8CM BR2044
Block diagram
7
Summary of Contents for M22
Page 1: ...NAD SERVICE MANUAL M22 STEREO AMPLIFIER M22 STEREO AMPLIFIER...
Page 6: ...6...
Page 25: ...PCB LAYOUT 1 MCU VM1 0 BOARD Top Layer Bottom Layer 25...
Page 26: ...2 2 AMP VM1 0 BOARD Top Layer Bottom Layer...
Page 27: ...2 3 NC400 OEM VM1 0 BOARD Bottom Layer Top Layer...
Page 29: ...5 SMPS VM1 0 BOARD Bottom Layer Top Layer...
Page 30: ...3 6 SMPS STB VM1 0 BOARD Bottom Layer Top Layer...