★
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ございます。
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
CD-1330
42
OPERATION 1/2
CB101
IC802
W2
CB1
IC4
IC2
IC2
CB162
CB161
IC1
5.5
0.6
0.8
0
0
4.9
4.9
4.9
3.5
5.1
30.3
0.8
0.8
5.5
0.6
30.3
30.3
5.7
0
30.3
5.1
5.7
3.4
3.4
3.3
0
3.3
3.4
0
0.8
16.1
0
14.8
16.1
3.9
3.7
3.9
-11.6
3.7
5.8
16.2
16.2
4.8
4.8
5.8
16.2
16.2
-12.9
-12.9
-11.7
11.5
0
3.0
0
0.7
0.7
0.6
0.6
0
11.5
-11.6
-11.6
-11.6
-11.6
0
-11.6
0
0
-11.6
0
0
-11.6
-11.5
-11.6
-11.5
-11.6
0
0
-11.6
0
1.7
1.7
0.9
0
1.6
0
0
4.7
0
1.1
1.1
2.2
3.3
3.0
3.3
3.3
3.3
0
0
0
0
4.7
4.7
0
1.1
1.1
0
4.7
-11.6
0
5.8
-16.2
0
16.2
-16.2
-16.2
0
16.2
-12.9
0
16.0
16.2
0
16.1
16.1
0
OUT L
DIFFERENTIAL AMP.
and L.P.F.
D/A CONVERTER
OPERATION (1)
OUTPUT
L
R
OPERATION (8)
OPERATION (3)
USB
POWER
indicator
USB indicator
Power Supply
DSDL
SCK
Advanced
Segment
DAC
Modulator
VOUTL+
VOUTL
Bias
and
Vref
V
CC
F
V
DD
A
GNDR
V
CC
R
A
GNDL
A
GNDF
D/S and Filter
8
Oversampling
Digital
Filter
and
Function
Control
Audio
Data Input
I/F
PLRCK
PBCK
PDATA
MDI
MC
MS
A
GNDC
V
CC
C
DGND
Current
Segment
DAC
and
I/V Buffer
VCOM
Function
Control
I/F
Zero
Detect
ZEROL
ZEROR
System
Clock
Manager
DSDR
DBCK
V
CC
L
VOUTR
VOUTR+
D/S and Filter
Current
Segment
DAC
and
I/V Buffer
RST
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
PLRCK
PBCK
PDATA
DBCK
SCK
RST
V
DD
DGND
AGNDF
V
CC
R
AGNDR
V
OUT
R
V
OUT
R+
V
COM
MS
MC
MDI
DSDL
DSDR
ZEROL
ZEROR
V
CC
F
V
CC
L
AGNDL
V
OUT
L
V
OUT
L+
AGNDC
V
CC
C
IC1
:
DSD1791DBR
24-bit, 192 kHz sampling, advanced segment, audio stereo digital-to-analog converter
IC4
: PQ033ES3MXP
Low power loss regulator
3
DC input (Vin)
1
DC output (Vo)
2
GND
IC
IC2
: OP275GSR
Dual bipolar/JFET, audio operational amplifier
OUT A
-IN A
V-
V+
OUT B
1
2
3
4
5
+IN A
-IN B
+IN B
6
7
8
1
3
2
5
4
GND
A
B
Y
V
CC
IC802
:
TC7SH08F
2-input AND gate
IN A
IN B
OUT Y
L
L
L
L
H
L
H
L
L
H
H
H
to DIGITAL (1)_CB301
Page 40
D7
to OPERATION (4)_CB206
Page 43
J3
to DIGITAL (1)_CB609
Page 39
M6
to OPERATION (9)_CB152
P
age 43
I7
