Block Diagram - NAD C446 Service Manual

BLOCK DIAGRAM

RS232
LOGIC
GP1UV701QS
Buffer
Key and IR front panel
TRIG IN
IR IN
RS232
IPOD control
FM ANTENNA
KUANGXIN FM/AM/RDS MODULE
kst-mb114ma1-23
AM ANTENNA
Multiplexer
SPDIF
OPTICAL
NC7SZ157
DAB ANTENNA
Frontier Venice 6.2
DAB/INTERNET RADIO
WIFI ANTENNA
USB
KSZ8851SNL
ETHERNET
ETHERNET DRIVER
POWER SWITCH
Main MCU
ENCODER
Renesas M30281
IR TRIG RS232
SPI
RDS DATA
5VA
ADC
FM/AM LO
IIS
FM/AM RO
PCM1808
74LCX244
Transmitter
SPDIF
SPDIF
DIT4096
RS232
3V3D
IIS
Standby PSU (25W)
5VS 1A (standby mode <0.2W dissipation )
+/-12VA 0.3A
3V3D
5V6D 1.5A
DUAL 4VAC 0.5A
+60VD 0.1A
Page 9
VFD
BOE CIG128X32
+12VA
DAC
IIS
CS4392-KZZ
AMS1117 AMS1117
4VAC 60VD 5V6D
LPF
LO
GND
NE5532
LPF
RO
GND
NE5532
+/-12VA
4VAC 60VD 5V6D
Signal
Power
control