Block Diagram - Audio Section - Sony Net MD Walkman MZ-N1 Service Manual

6-2. BLOCK DIAGRAM – AUDIO Section –
DIN1
(Page 30) A
ADDT
SDTO
(Page 30) B 9
SDO0
CDTI
13
SCK0 CCLK
14
CSN
15
SDO0, SDI0, SCK0
E
(Page 32)
AOUTL,
AOUTR
C
(Page 30)
147 XCS ADC
SDI0
45 SI0
SDO0
46 SO0
SCK0
47 SCK0
A/D CONVERTER
IC301
LIN2
3
LIN1
A/D 1
AUDIO
CONVERTER GAIN
I/F
AMP
& RIN2
CONTROL 4
HPF
RIN1
2
CONTROL CLOCK
REGISTER DIVIDER
I/F
10 12 16 11
197 196 148 198
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR
16M BIT D-RAM
IC801 (2/3)
71 94
4 3 2 1 4 3 2 1
EEPROM EEPROM
IC802 IC803
B+ SWITCH
VIF B+
Q302
MIC AMP
IC303
OUT2
16
OUT1
13
STBY
REGULATOR
4 GV
HEADPHONE AMP
IC302
AOUTL
L-IN
3
AOUTR
R-IN
1
MUTING
14 15
D303
58 37 36 65 38 49 103
150 151
X802
45.1584MHz
31 31
OPTICAL
RECEIVER
(LINE IN JACK)
IN2
2
IN1
11
5
LOUT
10
GA-L
9
ROUT F801
12
VC B+
GA-R
13
HP/LINE
SWITCH
16
60
AOUT
SEL
RMC DTCK 120
SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
MZ-N1
J301
LINE IN
(OPT)
J303
MIC
(PLUG IN POWER)
J302
i/LINE OUT
RVDD
DTCK
KEY-R
RGND
RMC KEY
F
(Page 32)