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6-2. BLOCK DIAGRAM – AUDIO Section –
VC B+
F801
F
RMC KEY
RVDD
DTCK
KEY-R
RGND
(LINE IN JACK)
OPTICAL
RECEIVER
J302
i
J301
LINE IN
(OPTICAL)
• SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
2
24
4
23
22
21
15 17
49 69 93
XHP
STBY
3758 36198
151
197
45
46
47
1
71
234
B+ SWITCH
Q302
VIF B+
MUTING
HP/LINE
SWITCH
HEADPHONE AMP
IC302
OUT L
OUT R
OUTB BEEP
OUTA BEEP
IN L
IN R
HP/L
MUTE
BEEP
BEEP
MUTE
XJAC DET
XOPT CTL
FS256
XBCK
OSCO
OSCI
XCS NV1
SDI0
SCK0
SDO0
OPT DET
RMC DTCK
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR,
16M BIT D-RAM
IC801 (2/3)
150
X801
45.1584MHz
SI0
SO0
SCK0
SDI0
SDO0
SCK0
SCK0
SDO0
AOUTL,
AOUTR
ADDT
DIN1
SDO0, SCK0
XCS
SK
DI
DO
B
A
C
E
EEPROM
IC804
4
3
10
15
14
13
9
GAIN
AMP
CLOCK
DIVIDER
AUDIO
I/F
CONTROL
CONTROL
REGISTER
I/F
A/D
CONVERTER
&
HPF
RIN2
LIN2
A/D CONVERTER
IC301
SDTO
CCLK
CSN
CDTI
12
LRCK
BCLK
16
PDN
11
MCLK
196
LRCK
148
XPD ADC
147 XCS ADC
AOUTL
AOUTR
18
120
13
REFERENCE
VOLTAGE
SWITCHING
Q301
VREF IN
+
(Page 32)
(Page 32)
(Page 34)
(Page 32 )
(Page 34)