Yamaha AX-V465, Service Manual

Page: 113 / 147

★
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.
● 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。
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
113
DIGITAL 3/4
RX-V465/HTR-6240/AX-V465
IC44
IC47
IC48
IC49
IC40
IC41
CB41
IC43
IC43
IC46
CB45
IC50
CB43
POINT C XL42 (Pin 29 of IC41)
C
0
0
0
12.0
0
0
0
-11.6
3.4 3.4
3.4
3.4
0 0 0 0 0
0
2.7
0 0
2.7
3.4 3.4 3.4 1.7 1.7 1.7 1.7
0 0 0 0 0 0 1.3
1.3 1.7 1.3
1.4
3.3 2.7 2.7
0 0 0 0 0 0
0
0
0
0
1.2 1.2 1.2
0.3 0.3
3.4 0.3 0.3
3.2 3.3
0 0 0 0 0 0
3.4 3.4 3.4 3.4 3.4 1.8 3.4 3.4
3.4
3.3 1.2 1.2 1.2
1.2
3.4
0 0 0 0 0 0 0 0 0 0
0
0
0 0 0 0 0 0 0 0 0
0 0
1.7
1.4 1.3
1.7 1.7
1.7
0 3.4 3.4 1.7
2.7 2.7 1.3
0
3.3
3.4
0
5.1 5.1 5.1
5.1 5.1
0
5.1
1.9
0
0
0
1.3
3.3
3.3
3.3
1.9
3.3
0
3.4
3.4
3.4
3.3
3.4
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
0
3.4
3.4
3.4
3.4
3.4
1.2
3.4
3.4
3.4
3.4
3.4
1.2
1.2
3.4
3.4
3.4
3.4
3.4
1.8
1.8
2.2
1.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.6
1.8
2.2
1.2
2.1
1.4
0
1.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.6
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.3
0
1.7
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.3
0
0
3.4
3.4
3.4
3.3
3.3
1.6
1.7
1.7
0
0
0
0
3.4
0
0
0
0
0
0
0
0.4
0.4
2.4
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.2
3.4
1.2
1.2
1.2
1.7
0
0
0
3.3
0
0
0
0
0
0
0
1.3
2.1
3.4
0
0
0
0
0
0
0
0
0
0
0
0
1.8
2.2
2.1
1.3
1.4
0
3.4
1.6
ANALOG IN
DIGITAL IN
SBL/SBR
SL/SR
FL/FR
C/SW
DIGITAL IN
IC46 : TC74VHC157FT
Quad 2-channel multiplexer
SELECT 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
Vcc 16
ST 15
4A 14
4B 13
4Y 12
3A 11
3B 10
3Y 9
A S G
B A
Y B
A Y
B A
Y Y B
IC48 : K4S641632N-LC60000
64 M synchronous DRAM
Bank Select
CLK
Row Decoder
I/O Control
Output Buffer
Sense AMP
Address Register
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register
2M x 8 / 1M x 16
2M x 8 / 1M x 16
2M x 8 / 1M x 16
2M x 8 / 1M x 16
Col. Buffer
Row Buffer
Refresh Counter
ADD
LCKE
LRAS
CLK
LRAS LCAS
Timing Register
LCBR LWE LDQM
DQi
LDQM
LWE
LWCBR
CKE CS
LCBR
WE L(U)DQM RAS CAS
1 VDD VSS
VSS
VSS
N.C/RFU
UDQM
CLK
CKE
N.C
A11
A9
A8
A7
A6
A5
A4
VSSQ
VSSQ
VDDQ
VDDQ
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
VDD
VDDQ
VDD
VDDQ
VSSQ
VSSQ
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
LDQM
WE
CAS
RAS
CS
BA0
A0
A1
A2
A3
BA1
A10/AP1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
54
53
52
51
50
49
48
47
46
45
44
Microcontroller
I/F
Cbit, Pc
Fs calculator
IC41 : LC89058WD-E
Digital audio interface receiver
1
13
48
2
47
28
27
46
45
44
32
34
40 CL
CE
DI
DO
RERR
SDIN
RDATA
RMCK
RBCK
RLRCK
SBCK
SLRCK
XMODE
AUDIO INT
CKST
MOUT
GPIO0
GPIO1
GPIO2
GPIO3
RXOUT2
RXOUT1
RX0
RX1
RX2
RX3
RX4
RX5
RX6
LPF
XIN
XOUT
XMCK
41
39
38
37
36
24
21
4
8
10
29
9
5
3
16
22
17
20
23
35 33
Input
Selector
PLL
Oscillation
Amplifier
Clock
Selector
Clock
Divider
Demodulation
&
Lock detect Data
Selector
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
IC49 : MX29LV160DBTI-70G
16M-bit 3V supply flash memory
IC43 : NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
V DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V OUT
GND
IC47 : R1172S121D-E2-F
Voltage regulator
IC44 : 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
1
3
2
5
4 GND
V CC
IC50 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
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
DSP
64 M SDRAM 16 M FLASH ROM
DOCK
to DIGITAL 4/4
to DIGITAL 2/4
to DIGITAL 1/4
to DIGITAL 4/4
to DIGITAL 1/4
to DIGITAL 4/4
DIR