NAD D3020 - Component Schematics; Preamp Board Schematics (CS42528)

RST
RXP0
RXP1/GPO1
AD0/CS
SCL/CCLK
SDA/CDOUT
AD1/CDIN
VLC
AOUTA1+
AOUTA1-
AOUTB1+
AOUTA3+
AOUTA3-
AOUTA2-
AOUTB2-
AOUTA2+
AOUTB2+
AOUTB1-
AOUTB3+
AOUTB3-
AOUTA4+
AOUTA4-
AOUTB4+
AOUTB4-
AINL+
AINL-
AINR+
AINR-
FILT+
REFGND
VQ
Ref
ADC#1
ADC#2
Digital Filter
Digital Filter
Gain & Clip
Gain & Clip
CX_SDOUT
ADCIN1
ADCIN2
CX_SCLK
CX_LRCK
CX_SDIN4
CX_SDIN3
CX_SDIN2
CX_SDIN1
VLS
SAI_LRCK
SAI_SCLK
SAI_SDOUT
DGND
VD
OMCK
RMCK
LPFLT
TXP
INT
Rx
Clock/Data
Recovery
S/PDIF
Decoder
DEM
Serial
Audio
Interface
Port
C&U Bit
Data
Buffer
Control
Port
DAC#1
DAC#2
DAC#3
DAC#4
DAC#5
DAC#6
DAC#7
DAC#8
D
i
g
i
t
a
l
F
i
l
t
e
r
V
o
l
u
Cem
o
n
t
r
o
l
DGND
RXP2/GPO2
RXP3/GPO3
RXP4/GPO4
RXP5/GPO5
RXP6/GPO6
RXP7/GPO7
VD
MUTEC
GPO
MUTE
A
n
a
l
o
g
F
i
l
t
e
r
VARX AGND
ADC
Serial
Data
AGND
VA
Internal MCLK
CODEC
Serial
Port
Mult/Div
Format
Detector
CS42528
PREAMP BOARD
8