Yamaha HTR-4064 Service Manual page 95

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A
B
C
DIGITAL 5/6
1
DAC
3.4
2.6
2
3.3
2.6
2.6
0.2
1.5
0
1.3
5.2
1.7
1.7
2.6
3.3
2.6
0
2.6
1.3
0
1.3
5.2
1.3
3.4
2.5
3
4
5
ANALOG IN
to DIGITAL 4/6
DIGITAL IN
3.3
6
2.9
3.4
DIR + ADC
0
0
0
0
to DIGITAL 3/6
0
0.4
3.3
E
0.5
3.4
7
POINT E XL71 (Pin 39 of IC72)
8
IC79: M12L64164A-5TG
1M x 16-bit x 4 banks synchronous DRAM
CLK
Clock
Generator
Bank D
CKE
9
Bank C
Bank B
Row
Address
Address
Buffer
Mode
and
Bank A
Register
Refresh
Counter
Sense Amplifier
CS
Column
Column Decoder
Address
RAS
Buffer
and
Refresh
CAS
Counter
Data Control Circuit
WE
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced
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、
with parts having specifications equal to those originally installed.
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。
★ Schematic diagram is subject to change without notice.
● 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。
D
E
F
2.6
FRONT L
CENTER
2.5
to DIGITAL 4/6
SUBWOOFER
SURROUND L
0
3.3
0
IC81
1.6
1.7
IC81
1.6
1.5
IC81
1.6
1.6
IC81
0
1.6
3.3
0
0
0
0
1.2
0
3.3
0
0
0
3.4
0
1.2
1.6
0
0
3.3
0
0
3.4
3.3
1.2
0
0
IC82
3.3
0
0
0
0
0
3.2
1.2
3.4
3.3
0
0
3.3
3.3
3.3
0
3.3
3.3
1.2
3.3
3.3
0
CB71
to DIGITAL 1/6
VDD
1
54
VSS
IC80: MX29LV160DBTI-70G
2
53
DQ0
DQ15
3
52
16 M-bit 3 V supply flash memory
VDDQ
VSSQ
DQ1
4
51
DQ14
5
50
DQ2
DQ13
6
49
VSSQ
VDDQ
DQ3
7
48
DQ12
8
47
CE#
DQ4
DQ11
CONTROL
PROGRAM/ERASE
9
46
OE#
VDDQ
VSSQ
INPUT
WE#
DQ5
10
45
DQ10
HIGH VOLTAGE
RESET#
LOGIC
11
44
BYTE#
DQ6
DQ9
12
43
WP#/ACC
VSSQ
VDDQ
DQ7
13
42
DQ8
VDD
14
41
VSS
15
40
LDQM
NC
L(U)DQM
WE
16
39
UDQM
ADDRESS
FLASH
CAS
17
38
CLK
LATCH
ARRAY
18
37
RAS
CKE
A0-AM
CS
19
36
NC
AND
A13
20
35
A11
BUFFER
Y-PASS GATE
21
34
A12
A9
DQ
A10/AP
22
33
A8
A0
23
32
A7
24
31
A1
A6
A2
25
30
A5
SENSE
PGM
A3
26
29
A4
AMPLIFIER
DATA
27
28
VDD
VSS
PROGRAM
DATA LATCH
Q0-Q15/A-1
I/O BUFFER
AM: MSB address
G
H
IC75
IC76
IC78
3.4
3.4
3.4
0
3.4
1.3
1.8
5.6
3.3
5.6
5.1
3.4 3.4
0
3.3
3.3
0
0
0
3.3
3.3
IC77
0
3.4
0
SL/SR
0
C/SW
FL/FR
3.4
3.3
1.2
3.4
0
3.3
0
DSP1
3.3
0
3.3
0.2
3.3
0
1.2
0.7
1.3
0
2.3
1.2
1.7
2.3
0
No replacement part available.
3.3
サービス部品供給なし
1.7
1.9
0
1.2
0
0
0
3.3
WRITE
STATE
MACHINE
(WSM)
IC81: TC74VHC08FT
Quad 2-input AND gate
STATE
REGISTER
A15
1
48
A16
A14
2
47
BYTE#
1A
1
A13
3
46
GND
ARRAY
A12
4
45
Q15/A-1
1B
2
SOURCE
A11
5
44
Q7
HV
A10
6
43
Q14
1Y
3
COMMAND
A9
7
42
Q6
DATA
A8
8
41
Q13
2A
4
A19
9
40
Q5
DECODER
NC
10
39
Q12
2B
5
WE#
11
38
Q4
RESET#
12
37
VCC
2Y
6
NC
13
36
Q11
WP#/ACC
14
35
Q3
HV
GND
7
COMMAND
RY/BY#
15
34
Q10
A18
16
33
Q2
DATA LATCH
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
IC71: PCM1681PWPR
to DIGITAL 1/6
to DIGITAL 4/6
Audio digital-to-analog converter
BCK
LRCK
Serial
Input
DATA1 (1, 2)
I/F
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
Oversampling
Digital Filter
Function
Controller
MS/ADR/FMT1
MC/SCL/DEMP
MD/SDA/MUTE
Function
Control
I/F
MSEL
System Clock
System Clock
SCK
Manager
3.4
0
0.2
0
3.4
3.3
0
0.3
0.2
0.3
0.2
0
3.4
0
3.4
0
0
0.3
0.3
0
0.4
0.3
0.2
0.2
0.3
3.4
0
0
0.2
0.3
0.2
0
0.3
0.3
0.2
0.2
1.9
3.4
0
0.3
0
0.3
0.3
0.3
3.4
0
3.3
0.3
3.3
3.4
3.4
0.2
3.3
2.8
3.3
1.7
0.3
3.3
3.4
0.2
0
0
0.3
3.3
0
1.7
0.2
3.3
0
1.7
0.3
0.2
0
2.3
0.3
0
1.9
1.7
0.2
2.3
3.4
0.7
1.7
1.3
2.3
1.3
0
2.3
1.7
0.7
3.4
3.4
0
0
3.3
IC75: R1172H121D-T1-F
CMOS-based positive-voltage regulator IC
V
DD
4
Vref
Current Limit
CE
1
Pin No.
Symbol
CE
Chip Enable Pin
1
2
GND
Ground Pin
IC82: TC7SH08FU
2-input AND gate
3
NC
No Connection
V
Input Pin
4
DD
5
V
Output Pin of Voltage Regulator
14
Vcc
OUT
IN B
1
5
V
CC
13
4B
12
4A
IN A
2
IC77: TC74VHC157FT
11
4Y
Quad 2-channel multiplexer
GND
3
4
OUT Y
10
3B
9
3A
SELECT 1
16
8
3Y
1A 2
A S G
15
1B 3
B A
14
1Y 4
Y B
13
2A 5
12
A Y
2B 6
B A
11
2Y 7
Y Y B
10
GND 8
9
L
M
N
RX-V471/HTR-4064
Output Amp and
V
OUT
1
DAC
Low-Pass Filter
Output Amp and
V
OUT
2
DAC
Low-Pass Filter
Output Amp and
V
3
OUT
DAC
Low-Pass Filter
8 x
Output Amp and
V
COM
DAC
Enhanced
Low-Pass Filter
V
4
Multilevel
OUT
With
Delta-Sigma
Output Amp and
Modulator
DAC
Low-Pass Filter
V
5
OUT
Output Amp and
DAC
Low-Pass Filter
V
6
OUT
Output Amp and
DAC
Low-Pass Filter
V
7
OUT
Output Amp and
DAC
Low-Pass Filter
V
8
OUT
ZR1/ZR1/FMT0
1
28
ZR2
2
27
V OUT 1
MS/ADR/FMT1
Zero Detect
Power Supply
3
26
V OUT 2
MC/SCL/DEMP
MD/SDA/MUTE
4
25
V COM
5
24
AGND2
SCK
6
23
V CC 2
DATA1
BCK
7
22
V OUT 3
LRCK
8
21
V OUT 4
V DD
9
20
V OUT 5
V OUT 6
DGND
10
19
DATA2
11
18
AGND1
DATA3
12
17
V CC 1
13
16
V OUT 7
DATA4
14
15
V OUT 8
MSEL
IC72: PCM9210PTR
216-kHz digital audio interface transceiver (DIX) with stereo ADC and routing
FILT
43
AUXIN0
AUTO
RXIN7
DIR
RXIN0
DIR
RXIN0
37
20
SCKO
ADC
DOUT
RXIN1
35
RXIN1
MAIN
PLL
19
SCK
OUTPUT
RXIN2
AUXIN0
RXIN2
33
PORT
18
LRCK
SCKO/BCK/LRCK
RXIN3
AUXIN1
RXIN3
32
17
DOUT
RXIN4
Lock:DIR
AUXIN2
RXIN4/ASCKIO
31
Unlock:ADC
RXIN5
Clock/Data
RXIN5/ABCKIO
30
Recovery
RXIN6
RXIN6/ALRCKIO
29
RXIN7
AUTO
RXIN7/ADIN0
28
DIR
RXIN8
Lock
ADC
MPIO_A0(CLKST)
3
Detection
DIT
RXIN9
AUXIN0
MPIO_A1(VOUT)
4
MPIO_A
RXIN10
MPIO_A2(XMCKO)
5
SELECTOR
AUXIN1
RXIN11
RECOUT0
AUXIN2
MPIO_A3(INT0)
6
DITOUT
RECOUT1
RECOUT0
MPIO0/1
15
MPIO0(TXOUT)
RECOUT1
SELECTOR
ADC
DITOUT
16
MPIO1(VOUT)
VINL
47
ADC Mode
ADC
Control
VINR
48
44
Com. Supply
VCOM
AUTO
ADC Standalone
DIR
MPIO_C0(TXSCK)
7
11
MPIO_B0(ASCKI2)
ADC
MPIO_C1(TXBCK)
8
MPIO_C
MPIO_B
12
MPIO_B1(ABCKI2)
AUXOUT
SELECTOR
MPIO_C2(TXLRCK)
9
SELECTOR
AUXIN0
AUXIN1
13
MPIO_B2(ALRCKI2)
AUXIN2
AUXIN1
MPIO_C3(TXDIN)
10
14
MPIO_B3(ADIN2)
AUXIN2
ADC Clock
(SCK/BCK/LRCK)
Divider
XT1
39
OSC
XT0
40
SBCK/SLRCK
XMCKO
Secondary SCK/LRCK
(To MPIO_A)
XMCKO
(To MPIO_A and MPO0/1)
Divider
Divider
Selector
REGISTER
EXTRA DIR FUNCTIONS
MC/SCL
25
1
ERROR/INT0
SPM2C
INTERFACE
Function
DIR CS
DIR
DIR IS
ERROR DETECTION
MDI/SDA
24
2
NPCM/INT1
Control
(48-bit)
Pc and Pd
Calculator
Non PCM DETECTION
MDO/ADR0
23
Is Calculator
MPIO_A
MS/ADR1
26
Flags
GPIO/GPO
DIT CS
DIR
All Port
Data
(48-bit)
Interrupt
Calculator
DTS-CD/LD Detection
MPIO_B
Validity Flag
MPIO_C
User Data
Channel Status Data
MPO0
POWER SUPPLY
RST
34
Reset and
BFRAME Detection
MPO1
Mode
ADC
DIR
ALL
MODE
27
Interrupt System
Set
ANALOG
ANALOG
DIGITAL
46
45
38
42
41
22
21
36
VCCAD AGNDAD SGND
VCC
AGND
VDD
DGND VDDRX
IC74: 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
ROM Page1
C67x+ Microprocessor
256
32
256K Bytes
D2
Memory
Data
64
Controller
32
Program/Data
R/W
McASP1
256
ROM Page2
6 Serializes
256K Bytes
32
Program
I/O
INT
Fetch
Program/Data
32
ROM Page3
McASP2
256
256K Bytes
2 Serializes
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
IC76: RP130Q331D-TR-F
Voltage regulator
V
DD
4
3
V
OUT
5
V
OUT
Vref
Current Limit
CE
1
2
GND
Pin No.
Symbol
Description
1
CE
Chip Enable ("H" Active)
2
GND
2
GND
Ground Pin
3
V
OUT
Output Pin
4
V
DD
Input Pin
Description
IC78: RP130Q501D-TR-F
Voltage regulator
V
DD
4
3
V
OUT
Vref
Vcc
Current Limit
CE
1
2
GND
ST
4A
4B
4Y
Pin No.
Symbol
Description
1
CE
Chip Enable ("H" Active)
3A
2
GND
Ground Pin
3B
3
V
OUT
Output Pin
3Y
4
V
DD
Input Pin
95

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