Yamaha DSP-AX463, Руководство по обслуживанию

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IC43
IC44
IC41
IC42
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V463/HTR-6140/DSP-AX463
88
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★ Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
DSP 4/8
DIGITAL IN
FL/FR
SL/SR
SW/C
A-3
3.3 0 0 0 1.6 0 1.7 1.7
0
0
0
1.7
0
1.7
1.7
0
3.3 0 0 0 1.7 0
1.7
1.7
0
0
0 0 0
1.2
1.2
0
3.3
3.3 0 0
3.3
0
3.3 3.3
1.4
1.4
1.4
3.3
1.4
1.4 2.0
0
0
0 0 0 0
0 0 0 0
1.3 3.3
1.7 1.7 1.2 0 1.7 1.7 1.7 1.3 1.7 1.7 0 0 1.7 1.7 1.7 0 3.3 0 0 3.3
0
1.3 0 0
3.3 1.7
3.3
3.3
0
0
0
0
0
0
3.3
3.3
0.1
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
1.4
0
0
3.3
3.3
1.4
1.6
0
0
0
3.3
2.0
2.0
0
0
0
0
3.3
0
0
3.3 1.7
0
0
0
0
3.3
0
0
0.4
0.4
0.4
0.4
0.4
0.3
0.5
0.3
0
3.3
0
1.0
0.9
1.3
1.1
1.2
0.6
1.3
1.3
0
3.3
1.1
2.2
0
0
0
0
1.9
0
0
0
0
0
3.3
0
1.3 1.3 1.2 1.4 0.4 3.3 1.8 3.1
0
1.3 3.3 3.3 3.3 3.3
0
3.3 3.3
0
3.3 3.3 3.3
0
3.3 1.3 3.3 3.3 3.3 3.3 3.3
3.3
3.3 3.3 1.3 3.3
0
1.7 3.3 3.3 3.3
0 0 0
0
3.3
IC42 : BR25L320F-W EEPROM
SPI BUS 32 k-bits (4,096 x 8-bit) EEPROM
1 CS
INSTRUCTION DECODE
CONTROL CLOCK
GENERATION
INSTRUCTION
REGISTER
2 SO
3
WP
4 GND
8 Vcc
7 HOLD
6 SCK
5 SI
VOLTAGE
DETECTION
WRITE
INHIBITION
ADDRESS
REGISTER
DATA
REGISTER
8bit
READ/WRITE
AMP
32,768bit
EEPROM
STATUS REGISTER
ADDRESS
DECODER
HIGH VOLTAGE
GENERATOR
8bit
12bit 12bit
IC43, 44 : TC74VHC153FT
Dual 4-channel multiplexer
14
A S0
S0
6
1C0
2 B
S1
S1
S2
S2
S3
S3
S0
7 1Y
5 1C1
S1
4 1C2
S2
1 1G
3 1C3
S3
10 2C0
S0
9 2Y
11 2C1
S1
12 2C2
S2
15 2G
13 2C3
S3
IC41 : AD91089ZSKBC
Microprocessor
PPI/GPIO
L1 data
memory
JTAG test
and emulation
Voltage
regulator
L1 instruction
memory
Memory
management
unit
Core/System bus interface
Real time clock
UART port IrDA®
Serial port (2)
DMA controller
Boot ROM
SPI port
External port FLASH,
SDRAM control
Event controller/
Core timer
Watch dock timer
Timer0, Timer1, Timer2
POINT A-3 XL401 (Pin 10 of IC41)
No replacement part available.
サービス部品供給なし
MICROPROCESSOR
EEPROM
to DSP 7/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 5/8
to DSP 5/8 to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 3/8
to DSP 3/8
to DSP 1/8
to DSP 5/8
to DSP 3/8
to DSP 3/8
to DSP 6/8
to DSP 5/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 3/8
to DSP 5/8
to DSP 1/8
to DSP 8/8
to DSP 8/8
to DSP 6/8
to DSP 3/8 to DSP 3/8