Block Diagram -Audio Section - Sony Walkman MZ-R900 Service Manual

MZ-R900
6-2. BLOCK DIAGRAM – AUDIO Section –
DIN1
A
(Page 27)
ADDT
SDTO
(Page 27) B 15
DADT SDTI
C
(Page 27) 16
BCLK
17
LRCK
20
SDO0, SDI0, SCK0 SDO0 CDTI
G
(Page 29) 21
SCK0 CCLK
22
CSN
23
SSB
25
70 69
SDI0
179 SIO
SDO0
180 SO0
SCK0
181 SCK0
4 3 2
EEPROM
IC804
A/D
CONVERTER
&
HPF
A/D, D/A
CONVERTER
AUDIO
IC301
I/F
CONTROL
LOUT1 OPGAL
26 27
D/A
CONVERTER
ROUT2
OPGAR
28 1
MCLK
CLOCK
CONTROL
19
DIVIDER
REGISTER
I/F
71
219 24 25
X801
45.1584MHz
1
B+ SWITCH
VIF B+
Q302
LIN2
6
LIN1
4
GAIN
AMP RIN2
7
RIN1
5
LOUT2 L-IN
2 3
GAIN
AMP
ROUT2
R-IN
3 1
215 192 191 2 193
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR
16M BIT D-RAM
IC801 (2/3)
28 28
MIC AMP
IC303
OUT2
IN2
16 2
OUT1 IN1
13 11
STBY
5
REGULATOR
4 GV
HEADPNONE AMP
IC302
LOUT
10
GA-L
9
ROUT
12
GA-R
13
HP/LINE
MUTING
SWITCH
14 15 16
183 186 178
AOUT
SEL
TSB SLAVE
TSB SLV CHK 210 DETECT
Q803
TSB SLV VDD 143
RMC DTCK 142
TSB SLVI 144
TSB SLVO 145
OPTICAL
RECEIVER
J301
LINE IN
(OPT)
(LINE IN JACK)
J303
MIC
(PLUG IN POWER)
J302
i/LINE OUT
F801
VC B+ RVDD
CDWM 2V
DTCK
KEY-R
CDWM DATA
RGND
RMC KEY
F
(Page 29)
SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)