NAD C 510, Руководство по обслуживанию

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COAX 1
OPTO1
AES/EBU
S
P
D
IF
IN
P
U
T
INPUT FORMAT
VOLUME
TREBLE,BASS,EQ
SAMPLE RATE
CONVERTER
ZTA FILTER
4th ORDER
NOISE SHAPER
PWM
OUTPUT
PWM
OUTPUT
REF
MCLK 108M
FS
2450
FS
SAMPLER
(ADC)
NOISE
SHAPER
3rd
ZETEX FPGA
DDFA
CONTROL
INTERFACE
D
1
G
2
V
3
GP1UV7 0 1Q S
Key & IR & ECONDEfront panel
S
P
I
IN
T
GPIO/INT
5V
STANDBY PSU
5V 0.5A standby mode( <0.2W dissipation )
5V
S
5VS
5VS
POWER SWITCH
L N
6.3AT/250V
GPIO
5VS
standby
Signal
Pow er
control
Pre out
Main MCU
PIC32MX460F256L
LDO
R3V3
LDO
Ty
pe
A
U
S
B
F
O
R
U
P
G
R
A
D
E
NAD C510 BLOCK DIAGRAM
VERSION: V1.0
AMS1117-3.3
3V3S
LDO
3V
3
1V
8
5V
AK4118AEQ
LOW JITTER SPDIF interface
A
D
V
76
23
H
D
M
I
Tr
an
sc
ei
ve
r HDMI IN 1
HDMI IN 2
HDMI OUT
Type B
XMOS
USB audio Device
IIS0
IIS1
IIS2
TRIG IN
IR IN
LO
G
IC
B
U
FF
ER
RS232
Plug in senser
DISPLAY
mute
SPI
GPIO
SPI
FLIP FLOPS
FLIP FLOPS
CH0-3
CH4-7
CLASS A MOD
CLASS A MOD
mute
SMPS
12V 3A
LDO
+/-18V
+/
-15
V
+/-15V
12V
UNLOCK
3V
3
USB FOR UPGRADE
3V
3S
3V3S
LDO
3V3
1V8
8V
12
V
5V
5V
DC/DC
LDO
3V3
1V2
5V
LDO
8V
8V
MOS-SWITCH
5V
U
S
B
G
P
IO
A
1
C
2
B
3
ENCODE
BLOCK DIAGRAM
4