Yamaha HTY-7040, Руководство по обслуживанию

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YSP-4000/YSP-40D/HTY-7040
86
★
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.
INPUT 2/2
IC30 : M3087BFKBGP
Microprocessor
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
Port P7
Port P14 Port P15 Port P11 Port P12
Port P10
Port P9
Port P8
P8
5
Port P13
R0H R0L
R1H R1L
R2
R3
A0
A1
FB
SB
NOTES:
1. Ports P11 to P15 are provided in the 144-pin package only.
2. Included in the 144-pin package only.
3.The supply voltage of M32C/84T (High-reliability version) must be VCC1=VCC2.
FLG
INTB
ISP
USP
PC
SVF
SVP
VCT Multiplier
M32C/80 series microprocessor core
Clock Generation Circuit
XIN - XOUT
XCIN - XCOUT
On-chip Oscillator
PLL Frequency Synthesizer
A/D Converter:
1 circuit
Standard: 10 inputs
Maximum: 34 inputs (2)
UART/Clock Synchronous Serial I/O:
5-channel
CRC Calculation Circuit (CCITT):
X16+X12+X5+1
X/Y Converter:
16-bit x 16-bit
D/A Converter:
8-bit x 2-channel
Peripheral Functions
<
V CC2
(3) > < V
CC1
(3) >
<
V
CC1
(3)
>
ROM
RAM
Memory
<
V CC1
(3) > <
V CC2
(3) >
7 8 5 8 8
(Note 1)
8
8
7
8 8 8 8 8 8 8
8
DMACII
DMAC
Watchdog Timer (15-bit)
CAN Module: 1-channel
Intelligent I/O
Time Measurement: 8-channel
Waveform Generating: 8-channel
Communication Functions:
Clock Synchronous Serial I/O, UART,
HDLC Data Processing
Timer (16-bit)
Timer A: 5-channel
Timer B: 6-channel
Three-Phase Motor Control Circuit
IC29 : TC74VHCT245AFT
Octal bus transceiver
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
DIR
G
B1
B2
B3
B4
B5
B6
B7
B8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC33 : TC74LCX245FT
Low voltage octal bus transceiver with 5-V tolerant inputs and outputs
A1
A2
1
2
3
DIR
OE
B1
Vcc 20
19
18
B2
B3
B4
B5
B6
B7
B8
17
16
15
14
13
12
11
A3
A4
A5
A6
A7
A8
4
5
6
GND
7
8
9
10
IC31 : 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
IC37 : AD8056AR
Voltage feedback amplifiers
– +
OUT 1
–IN
1
–V
S
+V S
OUT
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
30 29 28 26 25 24 23 22 21 20 19 17
DAC3
SW
INV
SW
INV
SW
SYNC
SEPA
DAC1
SW
SYNC
SEPA
INV
SW
INV
SW
I
2
CBUS
Decoder
DV2-OUT
SW
DV1-OUT
SW
HD2-OUT
SW
HD1-OUT
SW
V-Input
SW
H/V-
FREQ
Counter
V-FREQ
DET SW
DAC2
SW
H-FREQ
DET SW
V
Integral
H-INPUT
SW
V C/D
V-FREQ
SW
Clamp
Pulse
HD
Polarity
H-AFC
HVCO
CP
SW
H-FREQ
SW
2 u fH
H-Ramp H C/D
TEST DAC3 DAC1
V-SYNC
DAC2
H/
SYNC
DAC3 D2-OUT VD1-OUT SYNC1-IN DAC1 SYNC2-IN Address SW SCL SDA HD2-OUT Digital GND HD1-OUT
HD2-IN VD2-IN HD1-IN VD1-IN Analog GND AFC Filter HVCO VCC DAC2 VD3-IN HD3-IN CP-OUT
27
NC
18
NC
1 2 3 5 6 7 8 9 10 11 12 14 4 13
16
NC
15
NC NC NC
IC35 : TA1318AF
SYNC processor, frequency counter IC for TV component signals
IC26 : TC74VHCT08AFT
Quad 2-input AND gate
Vcc 14
4B
4A
4Y
3B
3A
3Y
1A 1
2
3
13
12
11
10
9
8
4
5
6
7
1B
1Y
2A
2B
2Y
GND
1
3
2
5
4
GND
VCC
IC24, 32 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
INPUT 1/2 BLOCK DIAGRAMS
IC22 : LC72722PM
RDS signal processor
REFERENCE
VOLTAGE
57 kHz
bpf
(SCF)
CCB
TEST
PLL
(57 kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC / EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5 Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK (4.332 MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5 T6 T7
X IN
VREF FL OUT C IN
X OUT
3 14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12