Yamaha NP-S2000, Service Manual

Page: 67 / 87

★
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
67
DAC 3/4
NP-S2000
IC702
IC701
W702
CB705
CB701
CB703 CB704
IC703
IC704
IC705
CB706
7.6
7.6
0
63.6
5.0
0
0
7.6
0 0
63.6
2.6
2.6
2.6
0
0
0 0
0
0
2.3 5.0 5.0
5.0
2.9
2.4 2.5 2.5 5.0
5.0 5.0
0.2
1.6
0.6 0.8
0
1.7
0.3
2.5 2.4 2.5 2.5 1.6 1.7
0.9 0.9
0 0.5
2.2 2.0 1.3 0.4 5.0
0.3 0.4
0.3
0 0 0 0 5.0 4.5 2.9
0.9
5.0
0 0 0 5.0
5.0 5.0 5.0
5.0 5.0 5.0
5.0
5.0 5.0 4.9 0.5 0.2 5.0 5.0
0 0 0
7.6
63.6
4.5 4.9
0
0
0
3.6
3.6
3.7
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.5
1.1
0
0
0
5.0
4.9
0.9
2.0
1.3
0.4
0.5
2.5
2.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0
0
0
5.0
5.0
0
0
5.0
5.0
0.5
0.3
0.3
0.3
0.3
0.4
0.4
0.3
0.3
0.3
0
0
0.5
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
0
0
0
0
0
0
0
0
0
5.0
0
5.0
0
0
0
0
1.9
5.0
0
0
0
0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
0
0 0
0
0
5.0
5.0
5.0
0.5
5.0
5.0
0 0
0
0
0
0
POINT F XL701 (Pin 9 of IC701)
POINT G XL702 (Pin 13 of IC702)
G
F
IC702 : R5F364AENFA
Single chip 16-bit microprocessor
Timer (16-bit)
Internal peripheral functions
Inputs (timer B): 6
Three-phase motor control circuit
Outputs (timer A): 5
Watchdog timer
(15-bit)
Remote control signal
receiver
(2 circuits)
PWM function (8-bit x 2)
CEC function
Real-time clock
VCC1 ports
VCC2 ports
A/D converter
(10-bit resolution X 26 channels)
System clock generator
PLL frequency synthesizer
On-chip oscillator (125 kHz)
X
IN
-X
OUT
X
CIN
-X
COUT
Port P0
8
Port P1
8
Port P1
8
Port P3
8
Port P4
8
Port P5
8
Port P10
8
Port P9
8
Port P8
8
Port P7
8
Port P6
8
ISP
USP
INTB
SB
CRC arithmetic circuit
(CRC-CCITT or CRC-16)
DMAC (4 channels)
Voltage detecter
On-chip debugger
Power-on reset
Multiplier
Memory
ROM
RAM
FB
A1
FLG
PC
UART or
clock synchronous serial I/O
Clock synchronous serial I/O
Multi-master I
2
C-bus interface
(6 channels)
(8 bit x 2 channels)
(1 channel)
D/A converter
(8-bit resolution X 2 circuits)
M16C/60 series
Microprocessor core
R0L R0H
R1H R1L
R2
R3
FB
A1
A0
IC701 : R5F21356ANFP
Single chip 16 bit microprocessor
R0H
Timers
Port P0
8 8 8 8 5 1 8
Port P1 Port P2 Port P3
2
Port P5 Port P4 Port P6
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
Low-speed on-chip oscillator
for watchdog timer
Voltage detection circuit
Comparator A
DTC
UART or
clock synchronous serial I/O
(8 bits x 3)
I
2
C bus or SSU
(8 bits x 1)
LIN module
Comparator B
Watchdog timer
(14 bits)
Timer RA (8 bits x 1)
Timer RB (8 bits x 1)
Timer RC (16 bits x 1)
Timer RD (16 bits x 2)
Timer RE (8 bits x 1)
R8C microprocessor core Memory
I/O ports
Peripheral functions
R0L
R1H R1L
R2
SB
INTB
PC
USP
ISP
FLG
ROM (1)
RAM
(2)
Multiplier
NOTES:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
R3
A0
A1
FB
A/D converter
(10 bits x 12 channels)
D/A converter
(8 bits x 2)
IC703-705 : TC7SZ126FU
Bus buffer 3-state output
1
2
3
5
4
G
IN A
GND
VCC
OUT Y
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
VFD1
3 STATE BUFFER
VFD2
DAC (3)
3 STATE BUFFER
LINK
indicator
RETURN SOURCE
to DAC (2)_CB204
Page 66 E1
to POWER (4)_W772
Page 69 D9
to POWER (5)_W751
Page 69 A9
to POWER (2)_CB352
Page 69 K9
(Writing port)
(Writing port)