Yamaha RX-V1065 Service Manual page 131

A B C
GUI 1/2
1
CB500
5.1
5.1
Page 121 F1
3.4
to DIGITAL_CB45 1.3
1.3
F
CB501
3.4
1.6 1.7
3.4
1.7
2
IC521
3.4 3.4
3.4
3.4 IC521 1.7
0.2
0
3.4
Page 120 L4 3.4
3.4
to DIGITAL_CB28
3.4
2.5
G
2.6
0
0.3
1.6 1.7
0 1.7
3.4 IC522
0.7
IC522 1.7
0
3
4
POINT F XL500 (Pin 6 of IC521)
5
POINT G XL501 (Pin 6 of IC522)
6
POINT H XL502 (Pin 10 of IC505)
7
CB502
8
IC523
IC521-522: TC7WHU04FU
Triple inverter
9
V 1Y
CC
8 7
1 2
1A 3Y
IC523: 74LVC08APW
Quad 2 input AND gate
10
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
D E F
Page 122
to DIGITAL_CB64
3.4 3.4 3.4 3.4
IC521 1.7
1.7
1.7 3.4
0 1.7
1.7 0 3.4
IC521
0
1.7 3.4
0 1.7 1.7
0.3 0.3 0
0 3.3
DAC
0
3.4 3.4 0 2.5
IC522 1.7 1.7 0.3 0 2.5
2.6
0 0
0 1.7 0
IC522 1.7 0
1.7 0 5.1
0 1.7
3.4 1.7
3.4
0 3.4
3.4
0
1.7
H
3.1
3.4
3.4
3.4
1.3 BF
3.4
3.4
SUB-MICROPROCESSOR
3.4
0
3.4
0
0
0
0
1.3
IC505
0
1.7
0
3.4
1.7
0
USB IN
0
0
0
3.1 No replacement part available.
3.3
サービス部品供給なし
0
1.3
3.4
0.2
0.2
0
0
0
0
0
IC513: MX29LV640DBTC-90G
IC524: TC7WH14FK
64 M-bit single voltage 3V only flash memory
Triple schmitt inverter
3A 2Y
1A 1 8 V CC
WRITE
6 5 CE#
3Y 2 7 1Y CONTROL
OE# PROGRAM/ERASE STATE
INPUT
WE#
HIGH VOLTAGE MACHINE
2A 3 6 3A RESET# LOGIC
(WSM)
BYTE#
AP#/ACC
GND 4 5 2Y
STATE
3 4
REGISTER
ADDRESS FLASH
2A GND LATCH ARRAY
ARRAY
A0-AM
AND
SOURCE
HV
BUFFER Y-PASS GATE
COMMAND
IC525: 74LVC32APW
DATA
Quad 2 input OR gate
DECODER
SENSE PGM
AMPLIFIER DATA
14 Vcc 1A 1 14 Vcc HV
COMMAND
13 4B 1B 2 13 4B
DATA LATCH
12 4A 1Y 3 12 4A
PROGRAM
DATA LATCH
11 4Y 2A 4 11 4Y
10 3B 2B 5 10 3B
9 3A 2Y 6 9 3A
Q0-Q15/A-1 I/O BUFFER
8 3Y GND 7 8 3Y
AM: MSB address
G H
G2
3.4
0
0.7
0 3.4
0.3
1.7 IC506
3.4 0
3.4
3.4 0
2.5
3.1
3.3 2.5
0 0
0 0
IC524 IC524
3.4
0 0 3.4
0
0
0 IC525
3.4 3.3
3.4
3.4
0
0
1.8 IC523
1.3 3.4
3.4
IC523
0
3.4 0 IC525
0
3.4 0 3.3
3.3
3.2
3.4
3.4
IC523
3.4 3.4 0.8
2.7
3.4
3.4 3.4
3.4
3.4
3.3
3.3 3.4
1.3
3.4
0
IC525
3.4 3.4
3.4 3.4 IC525
3.4 3.4
3.4
3.4
3.4
3.4
3.4
0
3.4
0
3.4
0
1.7
3.4
3.4
0
0 0.3
1.3 3.4
0
0
0.3
0
0
0 0.2
3.4
3.4
0
0
0
0
0.3
0
3.4
0
3.4
0.3 0.3
3.4
0.3 0.3
3.4 3.4
0
0
3.0 0.3
3.4
0
0
0
3.4
3.4 1.8
3.4 3.4
3.4 1.8
3.4
2.7
0 0
0
3.2
3.4 0
0 3.4
1.7 0
3.4 0
3.4
0
IC509-512: 74LVC245APW,118
Octal bus transceiver with direction pin
with 5 V tolerant input/outputs (3-state)
A15 1 48 A16
DIR 1 20 Vcc
A14 2 47 BYTE#
A13 3 46 GND A0 2 19 OE
A12 4 45 Q15/A-1
A1 3 18 B0
A11 5 44 Q7
A10 6 43 Q14 A2 4 17 B1
A9 7 42 Q6
A3 5 16 B2
A8 8 41 Q13
A19 9 40 Q5 A4 6 15 B3
A20 10 39 Q12
A5 7 14 B4
WE# 11 38 Q4
RESET# 12 37 VCC B5
MX29LV640D T/B A6 8 13
A21 13 36 Q11
WP#/ACC 14 35 Q3 A7 9 12 B6
RY/BY# 15 34 Q10 GND 10 11 B7
A18 16 33 Q2
A17 17 32 Q9
A7 18 31 Q1
A6 19 30 Q8
A5 20 29 Q0
A4 21 28 OE#
A3 22 27 GND
A2 23 26 CE#
A1 24 25 A0
I J K
3.4 IC509
3.4
3.4
0
0
2.5
0
2.6
0
3.4
0
0
0
0
2.5
2.5
3.4
3.4
IC510
3.4
3.4
0
0
0
0
0
0
0
0
3.4
IC508
0
IC524 0
0
3.4
0
IC511
0 3.4 3.4
0 3.4
0 0
0 0
0
0
0.3 0
0.3 0
0.3
0
3.0 0
0 0
IC526
IC526
IC526
IC512
3.4 3.4
0.3 3.4
0.3 0
0.3
0
0.3 0
3.0 0
IC526
0.2
0
0.3 0
0.3 0
0 0
IC526
0 0
3.4
0
3.0
0 0
0.3 1.8 0.3
3.4 3.0
0.3
3.4
0 0.3
0 0.2
3.4 0.3
3.4 3.0
3.4 0.3
3.4
3.4 0.3
0
3.4
3.4 0.3
0
2.7
0 0.3
0 0
0.3
3.4
0 0
0 3.4
3.4 0
1.7
0 3.4
IC507: K4S561632J-UC75000
256 M synchronous DRAM
LWE
Data Input Register
LDQM
Bank Select
16M x 4 / 8M x 8 / 4M x 16
IC508: 74LVC1G08GW 16M x 4 / 8M x 8 / 4M x 16
DQi
16M x 4 / 8M x 8 / 4M x 16
Single 2 input AND gate
CLK
16M x 4 / 8M x 8 / 4M x 16
ADD
Column Decoder
B 1 5 Vcc
Latency & Burst Length
A 2
LCKE
Programming Register
GND 3 4 Y LRAS LCBR LWE LCAS LWCBR LDQM
Timing Register
CLK CKE CS RAS CAS WE L(U)DQM
★ 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.
L M N
RX-V1065/HTR-6280/AX-V1065
IC501, 502: SN74LV163APWR
4-bit synchronous binary counters
LOAD 9
ENT 10
15 RCO
LD
ENP 7
CK
CLK 2
CK LD
CLR 1
R
M1
G2
1,2T/1C3
14 QA
G4
A 3 3D
4R
M1
G2
1,2T/1C3
13 QB
G4
B 4 3D
4R
M1
G2
1,2T/1C3
QC
12
G4
C 5 3D
4R
M1
G2
1,2T/1C3
QD
11
G4
D 6 3D
4R
CLR 1 16 VCC
CLK 2 15 ROC
A 3 14 QA
B 4 13 QB
C 5 12 QC
D 6 11 QD
ENP 7 10 ENT
GND 8 9 LOAD
to GUI 2/2
IC503: SN74LV74APWR
Dual positive edge triggered D-type flip flop
1CLR 1 14 Vcc
1D 2 13 2CLR
1CLK 3 12 2D
1PRE 4 11 2CLK
1Q 5 10 2PRE
1Q 6 9 2Q
GND 7 8 2Q
IC504: PCM1781DBQR
Audio digital-to-analog converter
BCK
Audio
LRCK
Serial Output Amp V OUT L
DATA Port DAC and
Low-Pass Filter
4 x 8
Oversampling
Enhanced
Digital
Multilevel
(FMT) Filter V COM
Delta-Sigma
With
Modulator
Function
MS (DEMP0)
Serial Control
Control
MC (DEMP1)
Port Output Amp
DAC and
MD (MUTE)
Low-Pass Filter V R
OUT
(TEST)
System Clock
System
SCK
Clock Zero Detect Power Supply
Manager
FMT 1 16 ZEROA
(1) Open-drain output for the PCM1782
DEMP0 2 15 V L
OUT
NOTE: Signal names in parentheses ( ) are for the PCM1781.
DEMP1 3 14 V OUT R
MUTE 4 13 V
COM
SCK 5 12 AGND
DATA 6 11 V
CC
BCK 7 10 NC
LRCK 8 9 TEST
IC505: AD91089ZSKBC
Microprocessor
Event controller/
JTAG test
Watch dock timer
and emulation Core timer
Voltage Real time clock
regulator
UART port IrDA®
Memory
L1 instruction L1 data
management
memory memory
unit
Timer0, Timer1, Timer2
Core/System bus interface
PPI/GPIO
DMA controller
Serial port (2)
SPI port
Boot ROM
External port FLASH,
SDRAM control
IC506: AK8814VQ
NTSC/PAL digital video encoder
CLK VSYNC
SELA SCL SDA CLKNV HSYNC /PD /RESET VREFOUT VREFIN
14 15 16 46 45 17 18 27 28
u-P I/F (I 2 C) VREF
29 IREF
and Timing Generator
Macrovision CGMS-A Generator
Registor WSS
V DD 1 54 V SS
DQ0 2 53 DQ15
V 3 V Sync-Form
DDQ 52 SSQ
DQ1 4 51 DQ14 Generator
DQ2 5 50 DQ13
V SSQ 6 49 V DDQ
DQ3 7 48 DQ12
Y
DQ4 8 47 DQ11 Lurra Filter 10-bit
20 Y
V DDQ 9 46 V SSQ (x2 Interpolator) Delay
DAC
DQ5 10 45 DQ10
DQ6 DQ9
11 44
V 12 V
SSQ 43 DDQ
DQ7 13 42 DQ8
Data[7:0] 10-bit
V DD 14 41 V SS Composite
DAC
LDQM 15 40 N.C/RFU
WE 16 39 UDQM
CAS 17 38 CLK
Chroma
RAS 18 37 CKE 4:2:2 to 4:4:4 Sub-Carrier
LPF Filter C 10-bit
CS 19 36 A12 Generator 22 C
BA0 A11 (x2 Interpolator) (x2 Interpolator) Delay DAC
20 35
BA1 21 A9
34
A10/AP 22 33 A8
A0 23 32 A7
A1 24 31 A6
A2 25 30 A5
A3 26 29 A4
6,31,42,44 7,30,40,47 21,26 19,23,25
V DD 27 28 V SS
DVDD DVSS AVDD AVSS
● 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ございます。
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