★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
65
DAC 1/4
NP-S2000
JK2
JK1
NETWORK IN
OUT L
1.5
1.7
1.6
1.6
5.1
5.1
5.1
2.3
2.5
2.3
0
0
0
0
0
0
0
0
0
12.5
12.5
-0.9
-0.9
0
12.5
-12.4
0
0
12.5
-12.4
0
0
12.5
-12.4
0
0
0
0
0
0
0
0
0
0
12.5
-12.4
0
0
-12.4
-0.9
-0.9
12.5
-1.0
-1.0
-12.4
-0.9
-0.9
12.5
0
0
-12.4
0
0
-12.4
0
0
12.5
0
0
12.5
0
0
-12.4
0
0
-12.4
11.5
11.5
11.4
11.4
-12.4
-12.4
11.4
0
0
0
0
0.7
11.5
11.5
11.4
11.4
-12.4
-12.4
11.4
0
0
0
0
0.7
0
0
1.7
1.7
3.3
3.2
3.2
3.2
1.6
0.9
5.1
5.1
5.1
2.3
2.5
2.3
0
0
0
0
0
0
0
0
0
0
0
1.7
1.7
3.3
3.2
3.2
3.2
1.6
0.9
1.6
1.6
0.8
0
3.3
3.3
2.6
1.5
1.7
0
3.3
0
0
0
1.9
0.1 μF
0.1 μF
1 μF
FILTN
FILTP
LCO
M1
M0
Ratio Selection
23 kHz to 30 MHz
Frequency Reference
CLK_IN
Output to Input
Clock Ratio
M[1:0]
00=1x
01=4x
10=128x
11=256x
N
Fractional-N
Frequency Synthesizer
128 Hz 8W Digital PLL
and Fractional N Logic
AUX_SRC
AUX_OUT
6 MHz to 75 MHz
PLL Output
3.3V
CLK_IN
CLK_OUT
0
1
VD
GND
IC4
: CS230011-CZZR
Clock multiplier
6
8
4
3
1
2
7
9
10
5
1
2
3
4
8
7
6
5
1OUT
1IN–
1IN+
V
CC–
V
CC+
2OUT
2IN–
2IN+
OUT
VCC–
VCC+
36 pF
37 pF
14 pF
7 pF
15
460
15
IN+
IN
IC5, 14-22
: NE5532DR
Dual low-noise operational amplifiers
(U, T models)
IC5, 15, 17-22
: OP275GSR
Dual bipolar/JFET, audio operational amplifier
(B, G, J models)
OUT A
-IN A
V-
V+
OUT B
1
2
3
4
5
+IN A
-IN B
+IN B
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ZEROL
ZEROR
MSEL
LRCK
DATA
BCK
SCK
MS
MDI
MC
MDO
RST
DGND
VDD
VCC2L
VCC2R
VCC1
VCOMR
VCOML
IREF
IOUTL-
IOUTL+
IOUTR-
IOUTR+
AGND3L
AGND3R
AGND2
AGND1
Power Supply
RST
SCK
Advanced
Segment
DAC
Modulator
Bias
and
Vref
V
DD
AGND3R
AGND3L
V
CC
1
AGND1
AGND2
x8
Oversampling
Digital
Filter
and
Function
Control
Audio
Data Input
I/F
LRCK
BCK
DATA
MDO
MDI
MC
MS
DGND
Current
Segment
DAC
V
R
COM
I REF
V
L
COM
Function
Control
I/F
Zero
Detect
ZEROL
ZEROR
System
Clock
Manager
MSEL
V
CC
2R
V
CC
2L
I OUTR+
VOUTR
I OUTR-
I/V and Filter
Current
Segment
DAC
IC6, 7
: PCM1792ADBR
Audio stereo digital-to-analog converter
I OUTL+
VOUTL
I OUTL-
I/V and Filter
IC12
: TC74VHC08F
Quad 2-input AND gate
Vcc
14
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
GND
7
BALANCED OUT
L
ANALOG OUT
L
BALANCED OUT
R
DAC
DAC
DAC (1)
OUTPUT
ANALOG OUT
R