NAD CI 940 - Page 7

7
Input L
Input R
Output L
Output R
Cascade
Cascade
TRIGGER IN
12V
Relay
Power Supply Board(SMPS)
AC PLUG IN
5V/1A Standy circuit
meet 0.5W requirement
MCU
To MCU
LEDs Control circuit
Input L
Input R
Output L
Output R
Cascade
Cascade
Zone 1 IN
Zone 1 OUT
Zone 2 OUT
Zone 2 IN
FOUR CHANNELS SEPERATED POWER AMPLIFIERS
Audio sense circuit
Protection circuit
Zone 1 L
Zone 1 LR Zone 2 R Zone 2 L
Fan Contril Circuit
Heatsink 1 Heatsink 2
+
-
+
-
ZONE 2
ZONE 2
RIGHT
LEFT
BRIDGE
+
-
+
-
ZONE 1
ZONE 1
RIGHT
LEFT
BRIDGE
+45V/4A -45V/4A
5VS
Relay
To MCU
NAD CI940 BLOCK DIAGRAM
VERSION: V1.0
Drafted by: BEN
Data: 2014-2-25
BLOCK DIAGRAM
S2
STB FROM MCU