Description Of Major Ics - JVC RX-9010VBK Service Manual

Description of major ICs

AK4527 (IC571) : A/D,D/A Converter
1.Pin layout
SDOS
OCKS
MIS
BCLK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
2.Block diagram
LIN+
LIN-
RIN+
RIN-
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
1
2
3
4
5
6
7
8
9
10
11
ADC HPF
ADC HPF
DAC
LPF DATT
DAC
DATT
LPF
DAC
DATT
LPF
DAC
LPF DATT
LPF DAC
DATT
DAC
LPF
DATT
Block Diagram (DIR and AC-3) DSP are external parts)
33
VREFL
32 RIN+
31
RIN-
30 LIN+
29 LIN-
28
ROUT1
27 LOUT1
26 ROUT2
25
LOUT2
24 ROUT3
23
LOUT3
Audio
I/F
LRCK
BICK
MCLK
SDOUT
SDIN1
SDIN2
SDIN3
RX-9010VBK
DAUX
Format
Converter
SDOS
SDTO
SDTI1
SDTI2
SDTI3
1-13