Sony MZ-R50 - MD Walkman MiniDisc Recorder Service Manual page 46

IC BLOCK DIAGRAM – MAIN (3/3) SECTION –
r
IC303 AK4515-VQ
44
LIN1
41
LIN2
LIN3 38
RIN1
43
RIN2
40
RIN3 37
22
VCOM
LOUT 26
ROUT 25
27
VRDA
20
VA
19
VB
AGND 21
–
36 31 34 35 32
ADC
DAC DBB DPGA
CLOCK
CONTROL REGISTER
DRIVER
I/F
10 14 15 45
13 16
33
18
VD
17 DGND
46
XRST
47 PD
2 LRCK
3 BCLK
4 SDTO
Audio I/F
5 SDTI
Controller
6
DIF0
7
DIF1
24
DZF
42
TST1
39
TST2
8
TST3
9
TST4
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