Yamaha NP-S2000 Service Manual page 67

A B C
DAC 3/4
1
DAC (3)
2
7.6
Page 69 K9 7.6
to POWER (2)_CB352 0
63.6
W702
3.7
3
3.6
3.6 0
5.0
0
5.0
0
(Writing port)
0
5.0
5.0
4 0 0
CB705
0
5
5.0
0
0
6
5.0
5.0
5.0
0
5.0
0
0 0
0
0
0
5.0
5.0
Page 66 E1
5.0
7 to DAC (2)_CB204
3 STATE BUFFER
5.0
5.0
5.0
5.0
5.0
5.0
IC703
5.0
5.0
5.0
5.0
8
CB701
0
0
0
9 0
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. 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。
★ Schematic diagram is subject to change without notice.
● 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。
D E F
0 0
0 0
5.0
0
0
0.3
0.3
0.3 VFD2
0.3
0.5
IC701
0.3
0.4
0.3
0
0.3
0.4
F
0.3
0
0
IC704
0
5.0 5.0
5.0 5.0
SOURCE
Page 69 A9 Page 69 D9
to POWER (5)_W751 to POWER (4)_W772
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、
G H
No replacement part available.
サービス部品供給なし
0.3
5.0 0.3
0.3
5.0
0.3
0.3
4.9 0.5
0.3
0.9
0.4
2.0 0.3
1.3 0.3
0.4 0.4
2.5 0.3
2.2 0.3
0.5 0.3
0.4
0
0
5.0
POINT F XL701 (Pin 9 of IC701)
5.0
0
5.0
5.0 0
IC705
0
3 STATE BUFFER
1.9
LINK
indicator
0
RETURN 5.0
IC701: R5F21356ANFP
Single chip 16 bit microprocessor
0
I/O ports Port P0
Peripheral functions
Timers
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)
Watchdog timer
(14 bits)
A/D converter
(10 bits x 12 channels)
IC703-705: TC7SZ126FU
Bus buffer 3-state output D/A converter
(8 bits x 2)
G 1 5 V CC
IN A 2
GND 3 4 OUT Y
I J K
0 0
0 0
5.0
5.0
VFD1 5.0
IC702
1.1
0
0
0
No replacement part available.
5.0
サービス部品供給なし
0.5
5.0
G
5.0
POINT G XL702 (Pin 13 of IC702)
IC702: R5F364AENFA
Single chip 16-bit microprocessor
8 8 8 8 5 1 2 8
Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
Port P0
UART or System clock Internal peripheral functions
clock synchronous serial I/O generation circuit
(8 bits x 3)
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
I 2 C bus or SSU
XCIN-XCOUT
(8 bits x 1)
Three-phase motor control circuit
Low-speed on-chip oscillator
LIN module
for watchdog timer
Comparator B Voltage detection circuit
Comparator A
Remote control signal
DTC
R8C microprocessor core Memory
(10-bit resolution X 26 channels)
(1)
R0H R0L SB ROM
R1H R1L
USP
R2
ISP
R3
RAM (2)
INTB
A0
PC
A1
FB FLG
Multiplier
Port P10
NOTES:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
L M N
NP-S2000
5.0
5.0
5.0
0
0
(Writing port)
5.0
0.5
5.0
CB706
8 8 8 8 8 8
Port P1 Port P1 Port P3 Port P4 Port P5
VCC2 ports
System clock generator
UART or
clock synchronous serial I/O
X IN -X OUT
Timer (16-bit)
(6 channels)
X CIN -X COUT
Outputs (timer A): 5
PLL frequency synthesizer
Clock synchronous serial I/O
Inputs (timer B): 6 On-chip oscillator (125 kHz)
(8 bit x 2 channels)
DMAC (4 channels)
Multi-master I 2 C-bus interface
(1 channel) CRC arithmetic circuit
Real-time clock
(CRC-CCITT or CRC-16)
CEC function Voltage detecter
PWM function (8-bit x 2)
Power-on reset
On-chip debugger
receiver
(2 circuits)
M16C/60 series
Memory
Watchdog timer
Microprocessor core
(15-bit) ROM
R0H R0L SB
A/D converter
R1H R1L RAM
USP
R2
R3 ISP
D/A converter INTB
A0
(8-bit resolution X 2 circuits) PC
A1 A1
FB FB FLG
Multiplier
VCC1 ports
Port P9 Port P8 Port P7 Port P6
8 8 8 8 8
67