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AE
K-323
+3.3V-2
R227
1K
IC203
R340
1K
17
PDN
18
VREG EN
R218
19
OSC RES
18.2K
20
DVSS
R341 1K
21
MUTE
R219
22
LRCLK
P LRCK
R220
23
SCLK
P BCK
24
SDIN2
R221
25
SDIN1
26
DVSS
C213 4.7
27
VR DIG
C214 0.1
SAMPLE RATE
AUTODETECT and PLL
R222
1K
28
SDA
SDA
R223
SCL
29
SCL
1K
R224
30
HPSEL
1K
31
STEST
32
TEST2
IC207
8
16Kb/8Kb/
VCC
4Kb/2Kb/1Kb
NC/NC/NC/
7
E0/E0
WC
6
R214 100
NC/NC/
SCL
SCL
E1/E1/E1
5
R215 100
VSS
SDA
SDA
IC202
R241
1
SDIN
242
2
1.5V to 3.3V
SCLK
243
3
LRCK
HARDWARE
INTERPOLATION
4
4
CONFIGURATION
FILTER
MCLK
5
VD
6
PCM
GND
SERIAL
INTERPOLATION
7
DIF1
INTERFACE
FILTER
8
DIF0
9
AUTO SPEED
DEM
MODE DETECT
6
10
RST
0
3.3V-4
+3.3V
1 2 3
4 5
PN2011
MAIN
DESTINATION
R331
COUNTRY
ABB.
JAPAN
YES
J
EUROPE
E
NO
AUSTRALIA
X
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring instruments used or on the product.
20
MAIN (3/3)
AF
+3.3V-2
C225
10u16
+
C224
0.1
AVSS
L
7 ABQs
R
DRC
7 ABQs
LOUDNESS
2ABQ
SUB
BQ
(HIGH
PRECISION)
uDAP
CLICK and POP
CONTROL
MICROCONTROLLER
BASED
SYSTEM
SERIAL
CONTROL
CONTROL
TERMINAL
CONTROL
C240
100u35
+
C256
0.1
+B
IC302
ON/OFF
VOUT
VIN
GND
+3.3V-1
AMP +
FILTER
MULTIBIT
DAC
MODULATOR
AMP +
FILTER
MULTIBIT
DAC
MODULATOR
INTERNAL VOLTAGE
REFERENCE
EXTEMAL MUTE
CONTROL
+3.3V-4
IC104 : PCM1808
IC205 : CS4344-CZZR
IC105 : CS8416-CZZR
IC206 : PIC18F6710
R332
IC106 : TPS60403DBVR
IC207 : M24C02-MN6T
NO
IC201 :
AD71094
IC301 : KIA378R00PI
IC202 : CS4352-CZZR
IC302 : KIA78R33PI
YES
IC203 : TAS5706APAPR
IC303 : KIA7809API-1
IC204 : TPA6111A2DR
AG
+B
R343 C316
150
OUT B
64
63
PVCC B
+B
62
2x HB
PVCCB
FET
61
C227 0.22
OUT
BST B
60
C228 1
VCLAMP AB
C231 0.22
59
2x HB
BST A
FET
58
OUT
AVCC
+B
57
AGND
C232 1
56
BYPASS
C235 0.22
55
BST D
C234 1
54
VCLAMP CD
C233
53
BST C
52
0.22
PVCC C
51
PVCC C
+B
OUT C
50
OUT C
49
R342
150
+B
IC301
ADJ
VOUT
VIN
GND
+B
IC303
FB218
OUT
IN
GND
+9V-1
FB206
20
Q202
VL
+3.3V-3
AMUTEC
19
C271
R252
3.3u50
0
AOUTA
18
REC-L
+
FB207
17
R254
VA H
Q204
R253
10K
2K
16
GND
AGND
C266
R249
3.3u50
AOUTB
15
REC-R
+
BMUTEC
14
R247
R248
Q205
2K
10K
C265
3.3u50
13
VQ
Q203
+
12
VBIAS
11
VA
FB209
R245
5.1
AGND
+3.3V
FB215
0
DGND
AO GND
Q104-110 : KRC110S
Q111
: KTC3875Y-1
Q120
: IRLML2502TRPBF
Q201
:
2SB1132
Q202,203 : KRA102S
Q204,205 : KTC2875B-1
AH
L205
5P
22uH
CP201
C229
100u35
1
+
2
C230
0.1
C239
L203
0.1
22uH
C238
100u35
+
CP202
1
2
3
CP207
C306
CE
1
5P
CLK
2
DATA
3
AO GND
4
FLRST
RMCN
5
FB212
+3.3V
6
FB211
7
CP208
FB217
+3.3V
4
FB216
KEY1
3
FB214
KEY2
2
FB213
1 GND
CP209
+4.3V
5
VFD-
4
-27V
3
+3.3V
2
1
CP203
1
+3.3V
2
+4.3V
3
4
VFD-
-27V
5
6
+5V
7
+9V
8
9
AO GND
10
11
+20.7V
FB208
12
0
13
14
15
K-323 (3/5)
D101
:
1SR154-400
RECORDING LINE
D203
:
1N4148WS-1
SIGNAL LINE
GND LINE
B LINE
+B
B LINE
B
AI
1
L+
L-
L
2
R+
R
R-
3
FLCE
FL CLK
FL DATA
FRONT-
FLRST
CN401
REMOCON
AT-4
5/5
MVCC33(+3.3V)
GND
4
MVCC33(+3.3V)
KEY-
CN501
ADKEY1
AT-5
ADKEY2
5/5
+4.3V(VFD+)
FRONT-
VFD-
CN402
-27V(VKK)
AT-3
5/5
MVCC33(+3.3V)
VD GND
5
P-SENSE
MVCC33(+3.3V)
+4.3V(VFD+)
VFD-
-27V(VKK)
SMPS-
CN2
VD GND
AJ-4
VCC5(+5V)
4/5
VCC9(+9V)
AO GND
AO GND
PVDD20(+20.7V)
PVDD20(+20.7V)
DGND
PWR-CTRL OUT
6
AGND
7
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