Yamaha RX-V771, Service Manual

Page: 112 / 148

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B C D E F G H I J K L M N
113
DIGITAL 7/8
RX-V771
● ⚠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。
★
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.
IC924
IC921
IC932
CB923
IC926
IC929 IC930 IC931
IC927
IC926
IC926
IC928
IC928
IC922
IC923
CB924
CB922
CB921
FL/FR
SBL/SBR
SL/SR
C/SW
DIGITAL IN
ANALOG IN
IC921: D70YE101BRFP266
Floating-point digital signal processors
256
256
C67x+ Microprocessor
D1
64
R/W
Data
D2
R/W
Program
Fetch
Memory
Controller
Program/Data
RAM
256K Bytes
JTAG EMU
McASP DMA Bus
Peripheral Configuration Bus
McASP0
16 Serializes
McASP1
6 Serializes
McASP2
2 Serializes
DIT Only
SPI1
SPI0
I2C0
I2C1
RTI
PLL
Program/Data
ROM Page1
256K Bytes
Program/Data
ROM Page2
256K Bytes
Program/Data
ROM Page3
256K Bytes
High-performance
Crossbar Switch
CSP
PMP DMP
Program
Cache
32K Bytes
I/O
I/O MAX0 MAX1 Events
In
CONTROL
dMAX
EMIF
Peripheral Interrupt and DMA Events
Interrupts
Out
INT
Data
256
256
256
256
32
32
32
32
32
32
32
32
32
32 32
64
32
32 32 32
32
32
32
32
32
32
VDD
A3
A2
A1
A0
A10/AP
A12
A13
CS
RAS
CAS
WE
LDQM
VDD
VSSQ
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
VDDQ
VDDQ
VSSQ
DQ0
VDD
VSS
A4
A5
A6
A7
A8
A9
A11
NC
CKE
CLK
UDQM
NC
VSS
VDDQ
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
VSSQ
VSSQ
VDDQ
DQ15
VSS
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
IC922 : M12L64164A-5TG
1M x 16-bit x 4 banks synchronous DRAM
CLK
CS
RAS
CAS
WE
C
o
mmand Decoder
C
ontr
ol Logic
Latch Cir
cuit
Input and Output
Buf
fe
r
R
o
w Decoder
Bank A
Sense Amplifier
Column Decoder
Data Control Circuit
L(U)DQM
DQ
CKE
Address
Clock
Generator
Row
Address
Buffer
Column
Address
Buffer
and
and
Refresh
Counter
Refresh
Counter
Mode
Register
Bank B
Bank C
Bank D
A15
A14
A13
A12
A11
A10
A9
A8
A19
NC
WE#
RESET#
NC
RY/BY#
WP#/ACC
A18
A17
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 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 48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
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
AM: MSB address
A0-AM
CE#
OE#
WE#
RESET#
BYTE#
WP#/ACC
IC923 : MX29LV160DBTI-70G
16 M-bit 3 V supply flash memory
IC924 : PCM9210PTR
216-kHz digital audio interface transceiver (DIX) with stereo ADC and routing
PLL
DIT
MPIO0/1
SELECTOR
MPIO_B
SELECTOR
MAIN
OUTPUT
PORT
ADC
Com. Supply
AUXIN1
ADC Standalone
ADC Mode
Control
MPIO_C
SELECTOR
OSC
SPM2C
INTERFACE
Reset and
Mode
Set
Divider
XMCKO
Divider
GPIO/GPO
Data
ADC
ANALOG
DIR
ANALOG
ALL
DIGITAL
Function
Control
DIT CS
(48-bit)
DIR CS
(48-bit)
DIR
Interrupt
DIR
Pc and Pd
All Port
Calculator
Is Calculator
DIR IS
Calculator
MPIO_A
MPIO_B
MPIO_C
MPO1
MPO0
REGISTER
POWER SUPPLY
XMCKO
(To MPIO_A and MPO0/1)
SBCK/SLRCK
(To MPIO_A)
Secondary SCK/LRCK
EXTRA DIR FUNCTIONS
Divider
Selector
ERROR DETECTION
Flags
Validity Flag
User Data
BFRAME Detection
Channel Status Data
Interrupt System
Non PCM DETECTION
DTS-CD/LD Detection
ADC Clock
(SCK/BCK/LRCK)
DIR
ADC
DITOUT
RECOUT1
AUXOUT
AUXIN2
RECOUT0
AUTO
DIR
ADC
DOUT
RXIN7
SCKO/BCK/LRCK
AUXIN0
AUXIN1
AUXIN2
Clock/Data
Recovery
Lock
Detection
Lock:DIR
Unlock:ADC
33
35
32
31
30
29
28
3
4
5
6
37
RXIN0
RXIN0
RXIN1
RXIN2
RXIN3
RXIN4
RXIN5
RXIN6
RXIN7
RXIN8
RXIN9
RXIN10
RXIN11 RECOUT0
RECOUT1 DITOUT
RXIN1
RXIN2
RXIN3
RXIN4/ASCKIO
RXIN5/ABCKIO
RXIN6/ALRCKIO
FILT
RXIN7/ADIN0
AUXIN0
MPIO_A0(CLKST)
MPIO_A1(VOUT)
MPIO_A2(XMCKO)
MPIO_A3(INT0)
SCKO
SCK
LRCK
DOUT
MPIO0(TXOUT)
MPIO1(VOUT)
MPIO_B0(ASCKI2)
MPIO_B1(ABCKI2)
MPIO_B2(ALRCKI2)
MPIO_B3(ADIN2)
48
47
44
VINL
VINR
VCOM
7
8
9
10
MPIO_C0(TXSCK)
MPIO_C1(TXBCK)
MPIO_C2(TXLRCK)
MPIO_C3(TXDIN)
39
40
25
24
34
27
46
23
26
XT1
XT0
MS/ADR1
MDO/ADR0
MC/SCL
MDI/SDA
RST
MODE
VCCAD AGNDAD SGND VCC VDD AGND DGND VDDRX
MPIO_A
SELECTOR
43
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
20
19
18
17
15
11
12
13
14
ERROR/INT0
NPCM/INT1
1
2
16
45 38 22 21 42 41 36
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
IC929 : R1172H121D-T1-F
CMOS-based positive-voltage regulator IC
V
DD
CE
Vref
4 3
1 2
Current Limit
V
OUT
GND
Pin No.
1
2
3
4
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC930 : RP130Q331D-TR-F
Voltage regulator
V
DD
CE
Vref
4 3
1 2
Current Limit
V
OUT
GND
Pin No.
1
2
3
4
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC931 : RP130Q501D-TR-F
Voltage regulator
1
3
2
5
4
GND
V
CC
IC928, 932 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
IC926 : TC7WZ32FK (TE85L, F)
Dual 2-input OR gate
1 1A
2 1B
3 2Y
4 GND
8 Vcc
7 1Y
6 2B
5 2A
DSP
DIR
FLASH MEMORY
SDRAM
to DIGITAL 8/8
to DIGITAL 5/8 to DIGITAL 6/8
to DIGITAL 4/8
to DIGITAL 8/8
No replacement part available.
サービス部品供給なし
DIGITAL (1)