NAD L 70, Service Manual

Page: 16 / 60

2-17
BLOCK DIAGRAM (IC42: AK4586)
PIN ASSIGNMENT (IC42: AK4586)
ADC
LIN
HPF
ADC RIN HPF
DAC DATT LPF LOUT1
DAC DATT LPF ROUT1
DAC DATT LPF LOUT2
DAC DATT LPF
ROUT2
DAC DATT LPF LOUT3
DAC DATT LPF ROUT3
Audio
I/F
Input
Selector
Clock
Recovery
Clock
Generator
X’tal
Oscillator
µ
P I/F
XTI
XTO
MCKO
TX
RX1
RX2
RX3
RX4
SDTO
BICK
LRCK
SDTI1
SDTI2
SDTI3
CSN CCLK CDTI CDTO
MCLK
BICK
SDOUT
LRCK
SDIN1
SDIN2
SDIN3
DAIF
Decoder
DEM
XTO
PDN
1
XTI/EXTCLK
44
2
DVDD 3
DVSS 4
TVDD 5
TX 6
MCKO 7
LRCK 8
BICK 9
SDTO 10
SDTI1 11
RX1
43
I2C
42 41 40
RX3
39
SL
AVE
38
RX4
3
7
PVSS
36
R
35
PVDD
34
SDTI2
12
SDTI3
13
INT0
14
INT1
15
CAD1/CDTO
16 17
SCL/CCLK
18
CAD0/CSN
19
DZF2/OVF
20
AVSS
21
AVDD
22
33
32
31
30
29
28
27
26
25
24
23
RIN
LIN
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DZF1
VCOM
VREFH
AK4586VQ
Top View
SDA/CDTI
RX2 TST