NAD T 751 Service Manual page 31

AC3 BOARD
U110: CS8414
RXP
RXN
AC3 BOARD
U111-U113: CS4340
AC3 BOARD
U115,U117, U120: 74HC74
VD+ DGND VA+
7 8
9
RS422
Receiver
10
Mux
13 16
CS12/FCK SEL
SCLK/DEM1
3
1
RST
4
LRCK
2
SDATA
7 6
DIF0 DIF1
VA+ FILT AGND
22 20 21
Clock & Data
Recovery
Mux
6 5 4 3
C0/E0 Ca/E1 Cb/E2 Cc/F0 Cd/F1 Ce/F2
DEM0
8
De-emphasis
Interpolation
Filter
Interpolation
Filter
5
MCLK
41
MCK M3 M3 M2 M1 M0
19 17 18 24
Audio
Serial
Port
De-Mux
Registers
2 27 25
REF
MUTEC
16
External
Mute Control
DAC
Analog Filter
DAC
Analog Filter
23
26
SDATA
12 SCK
FSYNC
11
1
C
14 U
28 VERF
15
CBL
15
AOUTL
12
AOUTR