Yamaha RX-V1065 Service Manual page 121

A B C
DIGITAL 3/5
1
2
3
4
XM DT IC
5
(U model)
to DIGITAL 4/5
6
DIGITAL IN
0
0
0 DIR
4.0
0.4
7
0
3.4
0.4
0.2
0
3.4
0
8
9
10
D E F
Page 131
IC42
11.9
0 to DIGITAL 4/5
IC43
0
0
0
0
IC43
0
-11.8
(B, G, E, F, J models)
3.4
IC45
1.7
2.6 IC51 1.7
1.7
0
1.7
0
3.4
3.3 1.6
0
0
0
3.4
1.7
3.3
3.4
3.4
0
IC50
0
0
3.4
3.3
3.3
0 1.2
0
0
3.4
1.6
1.7
D 1.7
3.4
0
CB43
to DIGITAL 1/5
POINT D XL42 (Pin 29 of IC41)
G H
B2
to GUI_CB500
1.2 1.8
0
0
3.1
0 0
3.4 5.1
3.3
3.3
3.1
IC46
0 0
3.3
0
SBL/SBR
0 SL/SR 0
C/SW
0 3.4
0 FL/FR 3.4
0
1.2 1.2
0 DSP 3.4
3.3 0
0 3.4
No replacement part available.
0
0
0 3.4
サービス部品供給なし
3.4 0
0
3.4
1.2 0
1.7 3.4
0
0
3.4 1.2
1.2 0
0 0
0 0
0 0
1.2
0
0 0
3.4 0
3.4
3.4
3.4 0
0 0
3.3 0
3.4 1.2
1.2 0
3.4 0
3.4 0
0 3.4
IC45: CS230003-CZZR IC50,
Clock multiplier 2-input AND gate
VD
1 IN B 1
FILTP
6 0.1uF 1uF
0.1uF
LCO GND
FILTN Δ∑ Fractional-N 2
7
IN A 2
Frequency Synthesizer
PLL_OUT 6 MHz to 75 MHz
3
M[1:0] PLL Output
M1 00=1x
9
01=4x N CLK/PLL AUX Output GND 3
Ratio Selection
M0 8 Source Select
10 10=128x
11=256x
PLL_OUT
AUX_OUT
Output to Input 4 23 kHz to 75 MHz
128 Hz BW Digital PLL
Clock Ratio CLK_IN AUX Output
23 kHz to 30 MHz CLK_IN and Fractional N Logic
5
Frequency Reference
I J K
to DIGITAL 1/5
to DIGITAL 2/5
1.8
3.3
ANALOG IN
DIGITAL IN
64 M SDRAM 16 M FLASH ROM
0
3.4
3.4
3.4
0
3.4
3.3
0 0
0
0 0
0 0
3.4
0 0 0
0 0 3.4
0 0
3.4
0 0 0
0 0 0
0
0 3.4
0 0
3.4 0 3.4
3.4
3.3
3.4 3.4
3.3 1.8
3.4 3.4
0 0
3.4 0 0
3.4 0 0
0 0 0
0 0 0
0 0
0
0 0 0
0 0 0
3.4 0 0
RX-V1065/AX-V1065
RX-V1065/AX-V1065
HTR-6280
HTR-6280
IC47: R1173S001D-E2-F
IC46: TC74VHC157FT
Voltage regulator
Quad 2-channel multiplexer
V DD 6 1 V OUT
SELECT 1 16 Vcc
1A 2 15 ST
A S G
3 ADJ
1B 3 B A 14 4A
1Y 4 Y B 13 4B
2A 5 A Y 12 4Y Vref
51: TC7SH08FU
2B 6 B A 11 3A Current Limit
CE 4 2,5 GND
2Y 7 10 3B
Y Y B
GND 8 9 3Y
Pin No. Symbol Description
5 V
CC
1 V OUT Output Pin of Voltage Regulator
2 GND Ground Pin
3 ADJ ADJ Pin
4 CE Chip Enable Pin
5 GND Ground Pin
OUT Y
4 6 V Input Pin
DD
★ 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
IC41: LC89058WD-E
Digital audio interface receiver
MOUT INT AUDIO
32 35 33
41 XMODE
Fs calculator
44
GPIO0 Microcontroller
40 CL
GPIO1 45 I/F
39 CE
46
GPIO2 Cbit, Pc
38 DI
GPIO3 47
37 DO
RXOUT2 48
RXOUT1 1
RX0 2
Input Demodulation 36 RERR
RX1 3 Selector
&
RX2 4 Data 24 SDIN
Lock detect
Selector
RX3 5
21 RDATA
RX4 8
RX5 9
PLL
Clock 16
RX6 10 Clock RMCK
Selector
Divider
17 RBCK
LPF 13
20
RLRCK
XIN 29
Oscillation
22
SBCK
XOUT 28 Amplifier
23 SLRCK
27
XMCK
34
CKST
IC43: NJM4565M
Dual operational amplifier
V+
8
2, 6
–INPUT OUTPUT
1, 7
+INPUT
3, 5
V–
4
IC44: D70YE101BRFP266
Floating-point digital signal processors
Program/Data JTAG EMU
256 RAM
D1
256K Bytes McASP0
Data 64 32
16 Serializes
R/W Program/Data
256 ROM Page1
C67x+ Microprocessor 32
256K Bytes
D2
Memory
Data 64
Controller Program/Data 32
R/W McASP1
256 ROM Page2
6 Serializes
256K Bytes 32
Program
I/O INT Fetch Program/Data
32
256 ROM Page3 McASP2
2 Serializes
256K Bytes
32 DIT Only
CSP 32 32
Program
32 SPI1
Cache 256
32K Bytes PMP DMP
32 SPI0
32 32
32 I2C0
High-performance
32
Crossbar Switch
32 I2C1
32 32 32 32
32 RTI
32 PLL
I/O Interrupts MAX0 CONTROL MAX1 Events
Out In
EMIF
dMAX
Peripheral Interrupt and DMA Events
to DIGITAL 4/5
IC49: MX29LV160DBTI-70G
16M-bit 3V supply flash memory
WRITE
CE#
CONTROL
OE# PROGRAM/ERASE
STATE
INPUT
WE#
HIGH VOLTAGE MACHINE
LOGIC
RESET#
BYTE# (WSM)
WP#/ACC
STATE
ADDRESS FLASH REGISTER
ARRAY
LATCH
A0-AM ARRAY
AND
SOURCE
HV
BUFFER
Y-PASS GATE
COMMAND
DATA
DECODER
0
SENSE PGM
3.4 AMPLIFIER DATA
HV
0
COMMAND
3.4
DATA LATCH
0
PROGRAM
0 DATA LATCH
0
0
Q0-Q15/A-1
I/O BUFFER
0
AM: MSB address
0
3.4
A15 1 48 A16
0
A14 2 47 BYTE#
0
A13 3 46 GND
A12 4 45 Q15/A-1
0
A11 5 44 Q7
0 A10 6 43 Q14
A9 7 42 Q6
0
A8 8 41 Q13
0 A19 9 40 Q5
0 NC 10 39 Q12
WE# 11 38 Q4
3.4
RESET# 12 37 VCC
NC 13 36 Q11
WP#/ACC 14 35 Q3
0
RY/BY# 15 34 Q10
3.4 A18 16 33 Q2
A17 17 32 Q9
3.4
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
IC48: K4S641632N-LC60000
64 M synchronous DRAM
LWE
Data Input Register
LDQM V DD 1 54 V SS
DQ0 2 DQ15
53
Bank Select V 3 52 V
DDQ SSQ
DQ1 4 51 DQ14
DQ2 5 50 DQ13
2M x 8 / 1M x 16
V SSQ 6 49 V DDQ
DQ3 7 48 DQ12
2M x 8 / 1M x 16
DQi DQ4 8 47 DQ11
2M x 8 / 1M x 16 V DDQ 9 46 V SSQ
DQ10
DQ5 10 45
CLK DQ6 11 DQ9
2M x 8 / 1M x 16 44
V 12 43 V
SSQ DDQ
DQ7 13 42 DQ8
ADD
V DD 14 41 V SS
Column Decoder LDQM 15 40 N.C/RFU
WE 16 39 UDQM
CAS 17 38 CLK
Latency & Burst Length RAS 18 37 CKE
N.C
CS 19 36
BA0 20 A11
35
LCKE BA1 21 34 A9
Programming Register
A10/AP1 22 33 A8
LRAS LCBR LWE LCAS LWCBR LDQM A0 23 32 A7
A1 24 31 A6
A2 25 30 A5
Timing Register A3 26 29 A4
V DD 27 28 V SS
CLK CKE CS RAS CAS WE L(U)DQM
● 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。
121