Table of Contents
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A
B
C
D
1
A-U670/A-670/A-U671/NS-BP401/NS-BP301
A-U670
MAIN 2/2
U S B D A C
2
MAIN (1)
V B U S
3
4
5
I m p e d a n c e c o n t r o l : 9 0 o h m
6
I C 6 0 1
R 5 5 2 7 K 0 0 1 D - T R
L 6 0 3
B K 1 6 0 8 L M 2 5 2 - T
V i n
V o u t
A-U670
G N D
O n
9 8 5 B H - 1 0 0 7 = P 2
G
1
2
USB DAC
3
4
USB
L 6 0 2
A-U671
L 6 0 4
B K 1 6 0 8 L M 2 5 2 - T
7
B K 1 6 0 8 L M 2 5 2 - T
L 6 0 1
USB IN
D G N D
D G N D
J 6 0 1
8
0
J 6 0 2
: R X - V 4 6 5 S Z
0
J 6 0 3
0
C 6 0 3
R 6 8 4
2 . 2
0 . 0 1 ( B )
9
C B 6 0 1
1 1 F M N - B M T T N - A - T
M S E L
T D 2
T D 1
T M S
10
T C K
T o D e b u g g e r
G N D
R S T _ N
(For factory)
X L _ U P 1
X L _ U P 1
X L _ U P 0
X L _ U P 0
X L _ D N 0
X L _ D N 0
X L _ D N 1
X L _ D N 1
11
R 6 0 3
X M S _ N _ R S T
1 K
12
D G N D
13
D T C 1 1 4 E K A
14
to MAIN 1/2
15
★ 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.
● ⚠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、
16
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。
42
E
F
G
H
A-U671
+ 3 . 3 U
+ 5 V
M 1
M 6
V S U P
V D D I O
M 2
M 7
I C 6 0 2
V S U P
V D D I O
C 6 1 5
H 1
X S 1 - U 6 A - 6 4 - F B 9 6
L 6
V S U P
V D D I O
0 . 1 / 1 6
E 5
V S S
E 6
K 1
V S S
V D D C O R E
E 7
K 2
C 6 1 6
V S S
USB
V D D C O R E
2 2 / 6 . 3
E 8
V S S
MICRO-
F 5
J 1
V S S
S W 1
F 6
J 2
V S S
PROCESSOR
S W 1
F 7
V S S
F 8
V S S
C 6 1 7
G 5
M 4
V S S
V D D 1 V 8
2 2 / 6 . 3
G 6
V S S
G 7
M 5
V S S
S W 2
G 8
V S S
H 5
V S S
H 6
L 1
V S S
P G N D
H 7
L 2
V S S
P G N D
H 8
M 3
V S S
P G N D
No replacement part available.
D G N D
D G N D
サービス部品供給なし
A 5
A 9
I 2 S _ S C L K / D S D _ B / S P I _ M I S O
U S B _ D P
X 0 D 0
A 6
B 9
S P D I F _ T X / S P I _ S S /
I C 6 0 2
U S B _ D N
X 0 D 1
R 6 0 9
X S 1 - U 6 A - 6 4 - F B 9 6
A 7
U S B _ V B U S
1 K
B 7
A 1 0
S C L / S P I _ S C K - > U A R T _ T X
U S B _ I D
X 0 D 1 0
B 1 0
D A C _ D A T A / D S D _ A / S P I _ M O S I
X 0 D 1 1
A 1 1
M C L K _ X C O R E
X 0 D 1 2
M 1 2
M I D I _ I N
USB
X 0 D 1 3
L 1 1
D A C _ R S T _ N
X 0 D 1 4
MICRO-
M 1 1
A D C _ R S T _ N
X 0 D 1 5
PROCESSOR
L 1 0
D E V I C E _ D E T E C T
X 0 D 1 6
J 6 0 7
A 1
M 1 0
B U T T O N _ A
A V D D
X 0 D 1 7
0
L 9
B U T T O N _ B
X 0 D 1 8
A 2
M 9
S W I T C H _ I P
A D C _ I N 0
X 0 D 1 9
B 2
L 8
D S D _ M O D E _ E N
A D C _ I N 1
X 0 D 2 0
A 3
M 8
N C
A D C _ I N 2
X 0 D 2 1
B 3
L 7
S D A - > U A R T _ R X
A D C _ I N 3
X 0 D 2 2
B 8
L R C L K / D S D _ C L K
R 6 1 7
X 0 D 2 4
1 0 0
A 8
A D C _ D A T A
X 0 D 3 5
H 2
N C
G 2
G 1
M I D I _ O U T
N C
X 0 D 4 3 / W A K E
L 3
N C
B 4
A 1 2
S S _ E N _ C T R L
N C
X 0 D 4 9
A 4
B 1 1
M C L K _ F S E L
N C
X 0 D 5 0
R 6 1 1
B 1 2
A P S _ E N ( 5 V A _ E N )
1 0 0 K
X 0 D 5 1
C 1 1
L E D _ A
X 0 D 5 2
C 1 2
L E D _ B
X 0 D 5 3
+ 3 . 3 U
D 1 1
U S B _ S E L _ 1
X 0 D 5 4
L 5
D 1 2
U S B _ S E L _ 2
M O D E 0
X 0 D 5 5
L 4
E 1 1
C O _ P R O C _ R S T
M O D E 1
X 0 D 5 6
B 5
E 1 2
A C C _ D E T _ E N
M O D E 2
X 0 D 5 7
R 6 0 4
B 6
F 1 1
A U D I O _ M U T E
M O D E 3
X 0 D 5 8
1 K
F 2
O S C _ E X T _ N
F 1 2
V B U S _ O U T _ E N _ N
X 0 D 6 1
B 1
G 1 1
N C
T D O
X 0 D 6 2
D 2
G 1 2
N C
T D I
X 0 D 6 3
D 1
H 1 1
X L _ U P 1
X L _ U P 1
T M S
X 0 D 6 4
C 1
H 1 2
X L _ U P 0
X L _ U P 0
T C K
X 0 D 6 5
J 1 1
X L _ D N 0
X L _ D N 0
X 0 D 6 6
C 6 1 1
E 2
J 1 2
X L _ D N 1
X L _ D N 1
D E B U G _ N
X 0 D 6 7
0 . 1 / 1 6
C 2
K 1 1
N C
R S T _ N
X 0 D 6 8
C 6 0 6
K 1 2
N C
X 0 D 6 9
7 P ( C H )
T P 6 2 7
E 1
L 1 2
N C
X L 6 0 1
X I / C L K
X 0 D 7 0
2 4 M H Z
T P 6 2 8
F 1
C 6 0 7
X O
J 6 0 6
0
7 P ( C H )
No replacement part available.
サービス部品供給なし
D T C 1 1 4 E K A
D T C 1 1 4 E K A
D T C 1 1 4 E K A
D T C 1 1 4 E K A
D T C 1 1 4 E K A
D G N D
IC601: R5527K001D-TR LOAD
Small, ultra-low RON load switch with a soft-start
T o 0 0 1 . s h t
VIN
1
Charge
Pump
Details of colored lines
Red / full line:
Power supply (+)
Red /dashed line:
Power supply (-)
Orange:
Signal detect
ON
3
Yellow:
Clock
Green:
Protection detect
Pin No.
Symbol
Brown:
Reset signal
1
V
IN
Blue:
Panel key input
2
GND
3
ON
4
V
OUT
I
J
K
L
+ 5 V
R P 1 3 0 Q 3 3 1 D - T R - F
D G N D
to MAIN 1/2
T o 0 0 1 . s h t
B O O T M O D E
P C M M O D E
D S D M O D E
X 0 D 0
S P I _ M I S O
P C M _ D A T A
D S D _ R D A T A
X 0 D 1 1
S P I _ M O S I
P C M _ L R C L K
D S D _ L D A T A
X 0 D 2 4
P C M _ B C L K
D S D _ B C L K
R 6 1 9
X 0 D 0
1 0 0
D A T A / D S D _ R D A T A
X 0 D 0
R 6 8 5
L R C L K / D S D _ L D A T A
X 0 D 1 1
R 6 2 0
3 3
B C L K
X 0 D 1 1
X 0 D 2 4
1 0 0
A
s
n o _ u s e
S Y S _ I / F
R 6 2 8
+ 3 . 3 U
SERIAL FLASH
+ 3 . 3 U
8
7
6
5
I C 6 0 6
S 2 5 F L 1 1 6 K 0 X M F I 0
1
2
3
4
I C 6 0 4
X 0 D 2 4
V +
5
C
Y
X M S _ M O S I
A
Y
L
A
T o 0 0 1 . s h t
3
C
I C 6 0 4
X M S _ M I S O
D G N D
H
H i - Z
V -
T C 7 S H 1 2 5 F U
I C 6 0 4
to MAIN 1/2
D G N D
L E D _ P C M x 1
+ 3 . 3 U
L E D _ P C M x 2
L E D _ P C M x 4
L E D _ P C M x 8
L E D _ D S D x 1
+ 3 . 3 U
X L 6 0 2
L E D _ D S D x 2
Y
G N D
4
1
R 6 3 0
V D D
O E
1 K
A / B
Y
R 6 2 5
G
B
3
2
O U T P U T
G N D
C 6 1 8
4 7
V C C
A
0 . 0 1 ( B )
R 6 2 9
1 0 K
X L 6 0 3
2 2 . 5 7 9 2 M H Z
4
1
V D D
O E
D G N D
2 2 K / 2 2 K
3
2
A / B
H
L
O U T P U T
G N D
Y / Y
2 4 M H z
2 2 M H z
O U T
D G N D
R E S I S T O R
R E M A R K S
P A R T S
N A M E
N O M A R K
C A R B O N
F I L M R E S I S T O R
C A R B O N
F I L M R E S I S T O R
M E T A L
O X I D E F I L M R E S I S T O R
M E T A L
F I L M
R E S I S T O R
M E T A L
P L A T E R E S I S T O R
F I R E
P R O O F C A R B O N
F I L M R E S I S T O R
C E M E N T
M O L D E D R E S I S T O R
S E M I
V A R I A B L E
R E S I S T O R
C H I P R E S I S T O R
IC602: XS1-U6A-64-FB96-C5
Microprocessor
4
VOUT
Security
xTIME: schedulers
SRAM
JTAG
PLL
OTP ROM
timers, clocks
64KB
debug
Soft
Reverse
Start
Detector
xCORE logical core 0
Hardware
xCORE logical core 1
response
ports
xCORE logical core 2
2
GND
xCORE logical core 3
Description
xCORE logical core 4
Supply Input Pin
Ground Pin
xCORE logical core 5
ON/OFF Control Pin, Active High
Switch Output Pin
M
N
O
P
+ 3 . 3 A
+ 7 A
+ 5 V
+ 3 . 3 U
+ 3 . 3 E S A
+ 1 . 3 E S V
+ 3 . 3 A
Y C 2 8 8 A 0
C 6 4 9
R P 1 3 0 Q 1 3 1 D - T R - F
1 / 2 5
I C 6 0 5
L 6 1 5
I C 6 0 9
4
3
R P 1 7 0 H 3 3 1 B - T 1 - F
B L M 2 1 P G 6 0 0 S N 1 D
I C 6 0 7
V D D
V O U T
R 6 4 2
1
2
4
3
3
1
R 6 5 1
1 0 K
Y G 4 9 9 A 0
G N D
I C 6 1 4
2
1
2
1 0
N C
C E
N E 5 5 3 2 D R
R 6 5 2
Y F 0 1 6 A 0
1 0 0
LDO
LDO
R 6 5 3
1 0 K
A G N D
V R E G _ E S
No replacement part available.
サービス部品供給なし
N J M 5 5 3 2 M D - D ( T E 1
I C 6 1 0
3
+ 1 . 3 E S V
1
I C 6 1 0
+ 3 . 3 E S A
V R E G _ E S
2
R 6 4 8
C 6 2 8
2 . 2 K
R 6 5 4
C 6 4 1
4 7 / 1 6
R 6 4 3
P
3 . 9 K
C 6 2 9
1 0 0
1 0 0 P / 6 3 0
C 6 3 4
C 6 4 2
R 6 4 4
R 6 5 5
1 / 5 0
P
C 6 3 0
0 . 1 / 1 6
1 0 0
3 . 9 K
1 0 0 P / 6 3 0
R 6 4 9
1 / 5 0
C 6 3 5
2 . 2 K
6
0 . 1 / 1 6
USB IN
2 1
2 0
1 9
1 8
1 7
1 6
1 5
N . C .
D A C L B
I C 6 1 0
2 2
1 4
5
7
DAC
N . C .
D A C L
4
2 3
1 3
V
-
I C 6 1 0
I C 6 0 8
G P I O 1
A G N D
2 4
1 2
E S 9 0 1 0 K 2 M
D A T A 2
N . C .
2 5
1 1
V -
3
D A T A 1
D A C R B
4
2 6
G
1 0
1
I C 6 1 1
D A T A _ C L K
D A C R
2
2 7
9
R 6 4 5
i
d
e
R E S E T B
A
D
D
R
:
0
x
9
0
N . C .
2 8
8
2 . 2 K
1
2
3
4
5
6
7
C 6 3 8
R 6 4 0
R
P
1 0 0
3
.
1 0 0 P / 6 3 0
C 6 3 9
R 6 4 1
P
R
1 0 0
1 0 0 P / 6 3 0
3
.
D G N D
A G N D
R 6 4 6
2 . 2 K
6
R 6 3 4
I C 6 1 1
5
7
V R E G _ E S
1 0 K
V +
8
+ 3 . 3 U
N J M 5 5 3 2 M D - D ( T E 1
D 6 0 4
C 6 5 0
V C C
O E
4
1
A G N D
D 6 0 5
0 . 0 1 ( B )
1 S S 3 5 2
C 6 5 1
X L 6 0 4
R 6 4 7
1 S S 3 5 2
2 . 2
0 . 0 1 ( B )
3
2
C 6 3 7
C 6 5 2
R 6 5 0
O U T P U T
G N D
2 . 2
0 . 0 1 ( B )
0 . 0 1 ( B )
D G N D
A G N D
D G N D
A G N D
N O T I C E
( m o d e l )
J
J A P A N
U
U . S . A
C
C A N A D A
R
G E N E R A L
T
C H I N A
T o 0 0 1 . s h t
K
K O R E A
to MAIN 1/2
A
A U S T R A L I A
B
B R I T I S H
G
E U R O P E
L
S I N G A P O R E
E
S O U T H E U R O P E
V
T A I W A N
F
R U S S I A N
P
L A T I N A M E R I C A
S
B R A Z I L
H
T H A I
C A P A C I T O R
R E M A R K S
P A R T S
N A M E
N O
M A R K
E L E C T R O L Y T I C
C A P A C I T O R
( P = 5 )
T A N T A L U M
C A P A C I T O R
( P = 1 0 )
N O
M A R K
C E R A M I C
C A P A C I T O R
C E R A M I C
T U B U L A R
C A P A C I T O R
P O L Y E S T E R F I L M
C A P A C I T O R
DATA_CLK
P O L Y S T Y R E N E
F I L M
C A P A C I T O R
M I C A
C A P A C I T O R
P
P O L Y P R O P Y L E N E
F I L M
C A P A C I T O R
S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R
P O L Y P H E N Y L E N E
S U L F I D E
F I L M
S
C A P A C I T O R
IC603: SN74LVC2G157DCTR
Single 2-line to 1-line data selector/multiplexer
USB 2.0 PHY
Multichannel ADC
1
A
5
Oscillator
Y
2
B
3
Y
Real-time clock
7
G
A
1
Supervisor
6
A/B
Watchdog, brown out
B
2
Power On RST
Y
3
DC-DC PMIC
GND
4
Q
R
S
T
U
IC607: RP130Q331D-TR-F
Voltage regulator
V
V
DD
4
3
+ 7 A
+ 3 . 3 E S A
+ 7 A
Vref
Current Limit
CE
1
2
GND
8
V
+
5
Pin No.
Symbol
Description
7
1
CE
Chip Enable ("H" Active)
I C 6 1 4
6
2
GND
Ground Pin
N E 5 5 3 2 D R
3
V
Output Pin
OUT
4
V
-
4
V
Input Pin
DD
A G N D
IC609: RP170H331B-T1-FE
Voltage regulator
V
DD
5
1
V
OUT
Vref
Current Limit
L 6 1 8
+ 7 A
Thermal Shutdown
B L M 2 1 P G 6 0 0 S N 1 D
CE
3
2
GND
DIGITAL IN
R 6 6 5
R 6 7 1
Pin No.
Symbol
Description
3 . 9 K
1 0
C 6 6 0
1
VOUT
Output Pin
R 6 6 6
2
GND
Ground Pin
V + 8
2 2 0
2 7 0 P / 1 0 0
3
CE
Chip Enable Pin
1 5 0 0 P / 1 0 0
C 6 6 3
2
R 6 8 0
4
NC
No Connection
I C 6 1 5
R 6 6 7
3
1
1 0 / 1 6
2 2 0
5
VDD
Input Pin
2 2 0
N J M 5 5 3 2 M D - D ( T E 1
U D A C _ L O U T
A G N D
U D A C _ R O U T
N J M 5 5 3 2 M D - D ( T E 1
6
5
6
R
6
6
8
C 6 6 4
5
7
R 6 8 1
IC610, 611, 615: NJM5532M-D
9
K
2
2
0
I C 6 1 5
6
Dual low noise operational amplifier
1 0 / 1 6
2 2 0
C
6
6
1
6
5
7
V - 4
R
6
6
9
9
K
2
2
0
2
7
0
P
/
1
0
0
R
6
7
0
R 6 7 2
A OUTPUT
V+
1
8
3
.
9
K
1 0
A-INPUT
2
A
7
B OUTPUT
–
+
L 6 1 7
B
A+INPUT
3
6
B-INPUT
- 7 A
+ –
B L M 2 1 P G 6 0 0 S N 1 D
B+INPUT
V-
4
5
n o _ u s e
n o _ u s e
C 6 5 7
R 6 5 8
R 6 7 3
D 6 0 6
2 . 2
0 . 0 1 ( B )
2 . 2
J 6 1 0
C 6 5 8
R 6 5 9
R 6 7 4
1 S S 3 5 2
D 6 0 7
J 6 1 1
2 . 2
0 . 0 1 ( B )
2 . 2
1 S S 3 5 2
C 6 5 9
C 6 6 5
C 6 6 6
R 6 6 0
R 6 7 5
R 6 8 2
R 6 8 3
2 . 2
0 . 0 1 ( B )
2 . 2
0 . 0 1 ( B )
2 . 2
0 . 0 1 ( B )
2 . 2
A G N D
A G N D
D G N D
A G N D
D G N D
A G N D
D G N D
IC614: NE5532DR
Dual low-noise operational amplifiers
36 pF
IN+
37 pF
14 pF
15
7 pF
IN
15
460
IC608: ES9010K2M
Premier stereo mobile audio DAC
28
4
3
24
CONTROL INTERFACE
OVERSAMPLING FILTER
ASRC
25,26
Fast/Slow roll-off (PCM)
PCM/
9,13
DATA[2:1]
and
50/60/70kHz (DSD)
32-bit
Dynamic
DACL, DACR
DSD/
Jitter
De-emphasis (PCM)
Hyperstream
TM
Matching
SPDIF
27
Reduction
Volume Control
DAC (2x)
(2x)
DACLB, DACRB
Interface
10,14
Soft Mute
DPLL
Zero Detect
XI / MCLK
7
DVDD
Core and IO
OSC
AVCC
Power Supply
(1.2V)
XO
6
18
VCCA
GND
(1.8/3.3V)
IC605: RP130Q131D-TR-FE
Voltage regulator
V
V
DD
4
3
OUT
IC604: TC7SH125FU
Bus buffer
G
1
5
V
CC
Vref
IN A
2
Current Limit
CE
GND
1
2
GND
3
OUT Y
4
8
V CC
7
G
Pin No.
Symbol
Description
6
A/B
1
CE
Chip Enable
2
GND
Ground Pin
5
Y
3
V
Output Pin
OUT
4
V
Input Pin
DD
OUT
VCC+
OUT
VCC–
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