Onkyo TX-SR402 Service Manual page 39

IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-6
Q801: AK4586 (24-Bit 96kHz 6-channel CODEC with DIR)-1
BLOCK DIAGRAM
LIN
RIN
LOUT1
LPF
LPF
ROUT1
LOUT2
LPF
LPF
ROUT2
LOUT3
LPF
ROUT3
LPF
PIN LAYOUT
XTI/EXTCLK
Audio
I/F
HPF
ADC
ADC HPF
DAC DATT
DAC DATT
SDOUT
DAC DATT
DAC DATT
SD OUT
DAC DATT
DAC
DATT
XTO 1
2
DVDD 3
DVSS 4
TVDD 5
AK4586VQ
TX 6
MCKO 7 Top View
LRCK 8
BICK 9
SDTO 10
SDTI1 11
X'tal
Oscillator
uP I/F
Clock
Generator
Clock
MCLK
Recovery
DAIF
Decoder
Input
Selector
DEM
BLCK
LRCK
SDIN1
SDIN2
SDIN3
33 RIN
32 LIN
31 ROUT1
30 LOUT1
29 ROUT2
28 LOUT2
27 ROUT3
26 LOUT3
25 DZF1
24 VCOM
23 VREFH
TX-SR402/8240/HT-R420
XTI
XTO
MCKO
TX
RX1
RX2
RX3
RX4
SDTO
BLCK
LRCK
SDTI1
SDTI2
SDTI3