Yamaha NS-BP300, Руководство по обслуживанию

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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
FUNCTION 3/3
R-840/NS-BP300
★
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.
IC101
JK101
CB101
CB109
IC102
IC108
CB105
CB104
CB102
IC103
IC108 IC106 IC103
IC105
IC106
IC104
IC107
27.3
0
4.6
4.6
5.1
5.1
5.1
5.1
0
10.2
10.2
4.7
0 0 0 0
5.1 5.1 5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
0
0
0
0
5.1
0
0 0
0
0
0
0
0 0
1.0
2.6
5.0
0.3
0.3
5.1
0
0
0
0
0
0
0
0
0
0
0
5.1
0.6
0.6
0
0.2
4.2
5.1
4.9
4.9
0
0
0
0
0
0
2.5
2.5
2.5
2.5
0.5
5.1
5.1
2.9
5.0
0
0
0
2.6
3.3
3.3
3.3
3.3
5.1
5.1
5.1
5.1
5.0
5.0
5.0
5.0
0.6
0
0
0
0
0
2.5
2.5
2.5
2.5
14.2
0
0
0
0.7
5.0
4.6
4.6
0
0
0
0
0
2.6
0
0
0
4.4
5.0
5.1
5.1
5.1
5.1
0
0.7
5.8
5.0 5.0
5.1 5.1
5.1 5.1
5.1 5.1
0
0
5.1
5.1
5.1 5.1 5.1
5.1
5.1
4.7
0
0 0 0 0 0
0
0
5.0
0
0
0 0
0
0
0
0
0
0
0
0
0 0 0
2.4
5.1 5.1
1.0 1.7
1.9
5.1 5.1
5.1
5.1
5.1 5.1
5.1
2.6
0.6
1.0 2.6 2.6
5.8
5.8
10.2
0
0
0
0
0
0
3.3
3.3
0
5.1
5.1
-4.9 -4.9
0
0
0 0
0.6 0.6 0.2
5.0
5.0
5.0
0
0
3.3
0
0
0
0
3.3
0
3.9
3.9
0
3.3
5.0
0
3.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
5.1
5.0
0.6
0.6
0
5.1
-6.8
5.1
5.1
5.1
5.0
-6.8
1.0
5.0
5.0
-6.8
0 0 0
0 4.6 4.6
2.6 2.6 27.3
5.1
5.1 5.1
0
0
0
0 0
5.1
POINT B XL101 (Pin 10 of IC101) POINT C XL102 (Pin 13 of IC101)
B C
D
1 CB103
(+5BU)
CB103
(N_RST)
2
POWER ON POWER OFF POWER ON
1 CB103
(+5BU)
CB103
(N_RST)
2
POINT D 1 / CB103 (+5BU), 2 / CB103 (N_RST)
1 2
IC101 : R5F3640DNFA
Single-chip 16-bit CMOS microprocessor
Timer (16-bit)
Internal peripheral functions
Inputs (timer B): 6
Three-phase motor control circuit
Outputs (timer A): 5
Watchdog timer
(15-bits)
VCC1 ports
VCC2 ports
A/D converter
(10-bits X 26-channels)
Clock generation circuit
PLL frequency synthesizer
On-chip oscillator (125 kHz)
X
IN
-X
OUT
X
CIN
-X
COUT
M16C/60 series
Microprocessor core
Port P0
8
Port P1
8
Port P2
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
R0L R0H
R1H
R1L
R2
R3
ISP
USP
INTB
SB
CRC arithmetic circuit (CCITT)
DMAC
(4 channels)
(Polynomial : X
16
+X
12
+X
5
+1)
Multiplier
Memory
ROM
RAM
FB
A1
FB
A1
A0
FLG
PC
UART or clock synchronous
serial I/O
Clock synchronous
serial I/O
(6-channels)
(8 bits x 2 channels)
D/A converter
(8-bits X 2-channels)
IC109 : R1154H058B-T1-F
Voltage regulator
Pin No.
1
2
3
4
5
Symbol
V
OUT
GND
CE
NC†
V
DD
Description
Output Pin for Voltage Regulator
Ground
Chip Enable Pin (active at "H")
No Connection
Power Supply Pin
V
DD
CE
3
1
5
2
V
OUT
4 NC
GND
Vref
Short
Protection
Circuit
Current
Limit
Circuit
Thermal
Protection
IC105, 106 : TC7SET08FU
2 input AND gate
1
2
3
IN A
IN B
GND 4
5
OUT Y
VCC
A
L
L
H
H
B
H
L
H
L
Y
H
L
L
L
IC102 : M24C02-RDW6TP
2 K-bit and 1 K-bit serial I2C bus EEPROM
3
E0-E2 SDA
VCC
M24Cxx
WC
SCL
VSS
SDA VSS
SCL
WC
VCC 1
2
3
4
8
7
6
5
E2
E1
E0
IC108 : TC7WH125FK
Dual bus buffer
1 G1
2 A1
3 Y2
4 GND
8 Vcc
7 G2
6 Y1
5 A2
IC103 : MFI341S2164
IC digital
H8/300H
MICROPROCESSOR
System control
I/O port
P4/IRQ
P3/IRQ
P2/IRQ
P1/IRQ
RES
Internal address bus
Internal data bus
11
12
14
15
16 17 18 19 20
10
Vss
NC
P2/IRQ
Top view
9 8 7 6
13
5
4
2
1
3
Vcc
Vss
RNG
WDT
FMU
Voltage monitoring circuit
Security logic
ROM (112 kbytes)
RAM (4 kbytes)
Interval timer 1
Interval timer 2
Register
(512 bytes)
Modular multiplication
coprocessor
EEPROM (16 2 kbytes)
On-chip
oscillator
Power-on
reset circuit
P1/IRQ
P3/IRQ
Vcc
NC
NC
NC NC NC NC NC
NC NC NC NC NC
RES
P4/IRQ
IC104, 107 : TC7SZ125FU
Bus buffer 3-state output
5
4
Vcc
OUT Y
1
3
2
GND
IN A
G
MICROPROCESSOR
EEPROM
REG
SYSTEM
CONNECTOR
TO:PLAYER
FUNCTION (1)
No replacement part available.
to FUNCTION (2)_W702
Page 64 I7
to MAIN (2)_W401
(A, B models)
Page 67 B4
to MAIN (4)_W1
Page 69 B2
to MAIN (5)_W51
Page 69 F7
to MAIN (1)_CB503
Page 66 D2
to MAIN (3)_CB801
Page 68 G9
Writing port
(For factory)
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm 0 +1.2 k +91 k
V 0 – 0.2 0.3 – 0.8 4.0 – 5.0
A/D value (5V=1024) 0 – 40 60 – 165 820 – 1023
I-KEY0 (91 pin) PRESET UP PRESET DOWN PURE DIRECT