Yamaha RX-V771, Service Manual

Page: 111 / 148

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-V771
112
DIGITAL 6/8
● ⚠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.
IC916
IC901
IC901
IC906
IC907
IC910
CB901
CB902
CB905
IC901
IC917
IC917
IC904
IC905
IC903
IC902
IC914
IC909
IC908
IC915
CB904
CB903
IC910 : 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
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
IC916 : 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
IC914 : RP130Q181D-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
IC915 : RP130Q501D-TR-F
Voltage regulator
IC917 : SN74LVC1G17DCKR
Single schmitt-trigger buffer
1
2
3
5
4
NC
A
GND
VCC
Y
INPUT
A
OUTPUT
Y
L
H
L
H
IC905 : TC74LCX245FT
Low voltage octal bus transceiver
with 5-V tolerant inputs and outputs
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
DIR
OE
B1
B2
B3
B4
B5
B6
B7
B8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC908 : 5V49EE503-027NLGI8
Clock synthesizer
1. CLKIN, CLKSEL, SD/OE and SEL[2:0] have pull down resistors.
PLL0 (SS)
PLL1
PLL2
PLL3 (SS)
/DIV2
/DIV1
/DIV3
/DIV6
XIN/REF 3
2
5
13
22
11
12
19-21
XOUT
CLKIN
CLKSEL
SDA
SCL
SEL[2:0]
OUT0
OUT1
OUT2
OUT3
OUT6 SD/OE
S
R
C
0
S
R
C
1
S
R
C
2
S
R
C
3
S
R
C
6
Control
Logic
S1
S3
23
7
8
17
16
IC901 : ADSST-DR-11Z
Blackfin embedded processor
L1 DATA
MEMORY
EXTERNAL PORT
FLASH, SDRAM CONTROL
L1 INSTRUCTION
MEMORY
VOLTAGE REGULATOR
WATCHDOG TIMER OTP MEMORY
RTC
COUNTER
SPORT0
SPORT1
UART0
NFC
PPI
SPI
PORT J
GPIO
PORT H
GPIO
PORT G
GPIO
PORT F
TIMER7·1
TIMER0
TWI
HOST DMA
EMAC
UART1
JTAG TEST AND EMULATION
INTERRUPT
CONTROLLER
DMA
CONTROLLER
DMA
ACCESS
BUS
BOOT
ROM
DEB
DCB
EAB 16
ACCESS BUS
PERIPHERAL
USB
16
I/O
Block
Generic
Logic
Block
r
r
r
r
r
r
ORP
GND GND CLK0/I CLK1/I CLK2/I CLK3/I
Global Routing Pool
GOE0 GOE1 V
CCO0
I/O Bank 0 I/O Bank 1
GND TDO TDI TCK TMS V
CCO1
V
CC
16
OSC
36
I/O
Block
I/O
Block
I/O
Block
16
Generic
Logic
Block
Generic
Logic
Block
ORP ORP
16
36
16
16
36
Generic
Logic
Block
ORP 16
16
36
IC907 : LC4032ZE-7TN48C
1.8 V in-system programmable ultra low power PLDs
Cell Array
Memory Bank 3
Sense Amplifiers
Column Decoder
Row Decoder
Cell Array
Memory Bank 2
Sense Amplifiers
Cell Array, per bank, for 8Mb x 8 DQ: 8192 Row x 1024 Col x 8 DQ (DQ0-DQ7)
Column Decoder
Row Decoder
Cell Array
Memory Bank 1
Sense Amplifiers
Column Decoder
Row Decoder
IC902, 903 : NT5SV32M8CS-6K
256 Mb x 8 SDRAM
Cell Array
Memory Bank 0
Sense Amplifiers
Column Decoder
CKE Buffer
CK Buffer
Row Decoder
Control Signal
Generator
Mode
Register
Refresh Counter
Column
Address Counter
Data Control Circuitry
Data Input/Output Buffers
23 A0
24 A1
25 A2
26 A3
29 A4
30 A5
31 A6
32 A7
33 A8
34 A9
35 A11
36 A12
21 BA1
20 BA0
22 A10
19 CS
18 RAS
17 CAS
16 WE
38 CK
37 CKE
Command Decoder
39
2,5,8,
11,44,
47,50,
53
DQM
DQx
DQ0
Address Buffers (15)
IC909 : R1EX24128BTAS0A
16 K word x 8-bit I2C interface EEPROM
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
IC904 : W25Q128BVFIG
128 M-bit serial flash memory
Block Segmentation
SFDP Register
xxFF00h
Sector 15 (4KB)
Sector 14 (4KB)
Sector 13 (4KB)
xxEF00h
xxDF00h
xxE000h
xxD000h
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
xxFF00h
xxFFFh
000000h 0000FFh
xxEFFFh
xxDFFFh
xxE0FFh
xxD0FFh
.
.
.
xxF0FFh
xx2F00h
Sector 2 (4KB)
Sector 1 (4KB)
Sector 0 (4KB)
Write Control
Logic
Status
Register
Page Address
Latch / Counter
High Voltage
Generators
SPI
Command
and
Control Logic
/HOLD(IO3)
xx1F00h
xx0F00h
xx1000h
xx0000h
.
.
.
xx2000h
xx2FFFh
xx1FFFh
xx0FFFh
xx10FFh
xx00FFh
.
.
.
xx20FFh
Security Register 1-3
003000h
002000h
001000h 0030FFh
0020FFh
0010FFh
FFFF00h
FF0000h
Block 255 (64KB)
Block 128 (64KB)
Block 127 (64KB)
Block 64 (64KB)
Block 63 (64KB)
Block 0 (64KB)
Columm Decode
And 256-Byte Page Buffer
.
FFFFFFh
FF00FFh
.
80FF00h
800000h
.
80FFFFh
8000FFh
.
7FFF00h
7F0000h
.
7FFFFFh
7F00FFh
.
40FF00h
400000h
.
40FFFFh
4000FFh
.
00FF00h
000000h
Beginning
Page Address
Ending
Page Address
.
00FFFFh
0000FFh
.
3FFF00h
3F0000h
.
3FFFFFh
3F00FFh
.
Byte Address
Latch / Counter
Data
1
/WP(IO2) 9
DI(IO0) 15
DO(IO1) 8
/CS 7
CLK 16
Write Protect Logic and Row Decode
W25Q128BV
NETWORK MICROPROCESSOR
NETWORK
MICROPROCESSOR
SERIAL
FLASH
NETWORK
MICROPROCESSOR
CPLD
CLOCK IC
EEPROM
APPLE
COPROCESSOR
ETHERNET
PHY
DIGITAL (1)
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
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
No replacement part available.
サービス部品供給なし
NETWORK
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 6/8
to DIGITAL 8/8
to DIGITAL 7/8
to OPERATION (11)_W4482
Page 115 M7