Yamaha NP-S2000, Service Manual

Page: 62 / 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
NP-S2000
62
NET 1/3
SCHEMATIC DIAGRAMS
IC504
IC504
IC504
IC502
IC501 IC503
CB513
CB512
IC511
IC512
IC582
IC583
IC520
IC520
IC520
IC520
IC516
CB511
CB512
IC505
IC505
IC506
IC507
IC507
IC507
IC508
IC509
IC509
NETWORK IN
NETWORK OUT
0
0
0
0
0
0
3.2 3.2 3.2 3.2 3.2
0 0 0 0
3.2 3.2 3.2
0
0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
3.2
3.2
3.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.6
3.2
3.2
3.2
0
0
0
0
0
0
0
0
0
0
0.8
1.6
1.6
1.6
1.6
1.5
1.6
3.1
3.1
0.3
3.3
2.7
0.2
0.2
0.2
0.2
0.2
3.2
3.2
3.2
0
3.2
2.0
0
0
0
3.2
3.2
3.2
3.2
0 2.0
1.2
1.2
1.2
0
0
1.2
1.2
0
0
1.2
1.2
0
0
1.2
1.2
0
0
1.2
1.2
0
0
1.2
0
1.2
0
0
0
0
3.2
3.2
3.2
3.2
0
0
3.2
0
0
0
0
0
1.2
3.2
3.2
3.2
3.2
1.2
1.2
1.2
0
0
0
0
0
0
3.2
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
3.2
0
0
0
0
0
0
3.2
3.2
3.2
0
3.2
0
0
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
3.1
3.1
3.1
3.1
1.4
1.4
3.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.1
3.1
3.1
3.1
3.1
3.2
3.2
3.2
3.3
3.1
3.1
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.1
0
0
0
0
0
0
0
0
0
0
0
0
0
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
5.0
3.1
0
0
0
3.2
5.0
0
0
0
0
0
0
0
0
0
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
0
3.2
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.2
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
3.1
0
3.2
0
0
0
0
0
0
0
0
0
0
3.1
3.2
0
0
0
0
0
0
0
0
0
0
1.6
3.2
0
1.6
3.2
0
1.6
1.6
1.6
0.8
0
1.6
5.0
5.0
0
0
0
0
1.6
0
1.6
0 0 0 0 0 0 0
0
3.2 3.2
0
0 0
0
0
0 0
3.2 4.9
5.0
2.7
3.2
7.0
7.0
3.3 3.3 0 0 0
0
0
0
3.2
3.2
5.0 5.0
5.0
0.3
0 0 0 0 0 0 0 0.8
3.2 3.2 3.3
1.6 3.1
1.6
1.6
1.6
5.0
7.0
7.0
0
4.9
5.0
1.2
3.3
3.3 0
4.9
3.3
3.3
3.2 0.2 0.2 0.2 0.2 0.2
3.2 3.2
0
0 0 0 0 0 0 0 0 0 0 0 0 0 1.4
0.2 0.2
3.3 3.3
0
4.9
9.3
3.2 0.2 3.2 3.2 3.2 3.1 3.1 3.1 3.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2
0 0 0 0 0 0 0 0 0
3.2
0
0 0.2 0.2 0.2 0.2 0.2
3.2 3.2
0
0 0 0 3.1 0 0 0 0 0 0 0 0 0 1.4
0.2 0.2
3.2 0.2 3.2 0.2 3.2 3.1 3.1 3.1 3.1 0.2 0.2 0.2 0.2 0.2 0.2
0 0 0 0 0 0 0 0 0
3.2
0
9.3
0
1.2
B
A
C
POINT A XL501 (T25 of IC504) POINT B XL502 (OUTPUT) POINT C XL503 (OUTPUT)
IC502 : MX29GL128ELT2I-90G
Single voltage 3 V only flash memory
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER FLASH
ARRAY
X-DECODER
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y
-DECODER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
PGM
DATA
HV
PROGRAM
DATA LATCH
SENSE
AMPLIFIER
Q0-Q15/A-1
A0-AM
AM: MSB address
CE#
OE#
WE#
RESET#
BYTE#
WP#/ACC
NC
A22
A15
A14
A13
A12
A11
A10
A9
A8
A19
A20
WE#
RESET#
A21
WP#/ACC
RY/BY#
A18
A17
A7
A6
A5
A4
A3
A2
A1
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28 NC
NC
A16
BYTE#
GND
Q15/A-1
Q7
Q14
Q6
Q13
Q5
Q12
Q4
VCC
Q11
Q3
Q10
Q2
Q9
Q1
Q8
Q0
OE#
GND
CE#
A0
NC
VI/O 56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
8
4
7
6
5
Serial-parallel converter
Y-select and Sense amp.
Memory array
High voltage generator
X decoder
Y decoder
Address generator
1,2,3
VCC
VSS
WP
A0,A1,A2
SCL
SDA
Control
logic
IC506 : R1EX24128ASAS0A
16 K word x 8-bit 12C interface EEPROM
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
V
OUT
GND
CE
NC
V
DD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
5 4
2 1
Current Limit
V
OUT
GND
IC511 : R1172H121D-T1-F
CMOS-based positive-voltage regulator IC
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
VDD
VOUT
Description
Chip Enable Pin ("H" Active)
Ground Pin
No Connection
Input Pin
Output Pin
Vref
4 5
1 2
Current Limit
V
OUT
GND
IC512 : R1172H501D-T1-F
Voltage regulator
Pin No.
1
2
3
4
5
Symbol
C
D
GND
NC
V
DD
OUT
Description
Pin for external capacitor for setting output delay
No Connection
Ground Pin
Input and power source for device itself
Output Pin ("L" at Detect, "H" at Released)
V
DD
R
D
Vref
2
1
3
V
OUT
GND
C
D
5
IC508 : R3112N251A-TR
Voltage regulator
1
3
2
5
4
GND
V
CC
IC505 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
1
3
2
5
4
GND
V
CC
IC509 : TC7SH125FU
Bus buffer
IN A
G
OUT Y
IC507 : TC7WH14FK
Triple schmitt inverter
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
VCC
1Y
3A
2Y
CLK
CKE
CLOCK
BUFFER
CS
RAS
COMMAND
DECODER CAS
WE
A10
A0
A9
A11
A12
BS0
BS1
REFRESH
COUNTER
ADDRESS
BUFFER
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
COLUMN
COUNTER
Note: The cell array configuration is 8192 * 512 * 16.
COLUMN DECODER
CELL ARRAY
BANK #2
SENSE AMPLIFIER
ROW DECODER
COLUMN DECODER
CELL ARRAY
BANK #3
SENSE AMPLIFIER
ROW DECODER
COLUMN DECODER
CELL ARRAY
BANK #0
SENSE AMPLIFIER
ROW DECODER
COLUMN DECODER
CELL ARRAY
BANK #1
SENSE AMPLIFIER
ROW DECODER
DATA CONTROL
CIRCUIT
DQ
BUFFER
DQ0
DQ15
LDQM
UDQM
IC501, 503 : W9825G6EH-75
256 M-bit SDRAM
IC504 : YTD446-CZ
Versatile network processor VNP2
Memory
Controller0
Memory
Controller1
SD Host I/F 0
SD Host I/F 1
USB
Encryption
Engine
ARM926EJ-S
ARM9EJ-S MMU
Programmable
DSP
Audio I/F
Audio Engine
Network Engine
802.3
MAC0
802.3
MAC1
Memory I/F
SD Host
I-cache
16KB
D-cache
16KB
JTAG
D-TCM
16KB
DMA
I-TCM
16KB
Dual Timer0
Power Manager
I2C
UART2
UART1
UART0
SPI
GPIO
Clock Gen.
PLL
Reset Control
Dual Timer1
Watchdog
Timer
Interrupt
Controller
IC582, 583 : 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
IC520 : TC74VHC08FT
Quad 2-input AND gate
Vcc 14
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
MAIN
MICRO-
PROCESSOR
MAIN
MICRO-
PROCESSOR
MAIN
MICRO-
PROCESSOR
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
No replacement part available.
サービス部品供給なし
NET (1)
EEPROM
RESET IC
SDRAM 32 MB
FLASH ROM 16 MB
SDRAM 32 MB
SELECTOR
to DAC (1)_CB405
Page 68 H2
to DAC (1)_CB404
Page 68 E2
(For factory) (For factory)