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MDS-JA30ES
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— 24 —
6-3. BLOCK DIAGRAM — AUDIO SECTION —
DOUT
ABCK
ALRCK
S/P
LRCKI
DATAI
BCKI
44
43
45
ATT
IIR
MODE
FIR
P/S
CONVERT
AND
D/F
CLOCK GEN.
TIMING
CIRCUIT
CLOCK
GENERATOR
17
47 48 49
46
ATT
SHIFT
LATCH
INIT
MCKIN
12
64FSI
NSDOL1-4
46
|
49
6
|
3
S/P
INTER
POLATER
40
64FSO
33
DINIT
50
MUTE
35
256FSO
TIMING
CIRCUIT
10
3rd ORDER
NOISE SHAPER
PLM
D/A CONVERTER
IC502
CLOCK
GENERATOR
L1(+)
L1(–)
L2(+)
L2(–)
62
60
2
4
32
33
LVCK01
LVCK02
25
24
27
28
IN1+
IN1–
IN2+
IN2–
SWITCHING
CIRCUIT
1
2
4
5
CURRENT PULSE
IC505
IO1+
IO2–
IO1–
IO2+
CONSTANT
CURRENT
CIRCUIT
6
2
LPF
LPF
7
1
+
+
L.P.F.
IC509
6
5
7
3
1
MIX/LINE AMP
IC510
XIN
XOUT
9
X501
45MHz
HEADPHONE
AMP
IC651
3
1
RV651
RY501
RCH
J651
MUTE
Q651,654
RELAY
DRIVE
Q505
HP MUTE
RELAY
PHONES
L
PJ501
LINE
OUT
D
POWER
SECTION
(Page 25)
PHONE
LEVEL
L
PJ501
LINE
IN
ANALOG
REC
LEVEL
RV601
3
LINE AMP
IC305
2
3
6
1
5
7
L.P.F., PRE AMP
IC303
7
6
LPF
DAC
19 L/R
21
17
MCLK
A/D CONVERTER
IC302
SDATA
+
_
+
AINL–
AINL+
ADIN
256FS
ATT(SWDT)
SHIFT(SCLK)
LATCH
95RST
1024FS
B
DIGITAL
SECTION
(Page 22)
16
NOISE SHAPER, DIGITAL FILTER
IC501
1
5
+5V
7
4
Signal path
R CH is omitted.
: PB
: REC