Yamaha DSP-AX763, Service Manual

Page: 108 / 155

IC61
IC62
IC65
IC64
IC666
IC72
IC72
IC63
IC67
IC67
IC68
IC68
IC69
IC69
IC70
IC70
IC71
IC71
CB61 CB62 CB63
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-V663/HTR-6160/DSP-AX763
108
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★ Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
DIGITAL 4/5
5.2
5.2
9.8
5.2
0
5.2
0
9.8
0
0
0
0
1.7
1.4
0
0
0
0
3.4
1.7
1.7
5.1
2.7
0
0
2.7
2.7
2.7
0
3.4
3.4
4.9
3.3
1.6
5.3
0
1.3
1.3
1.3
0
0
0
0
3.4 3.4
1.3 0
0
1.7
1.7
1.7
1.7
1.7
1.7
1.3
1.3
0
1.3
0
0
0 2.7
3.3
2.8
1.7 0
0
1.7
1.7
5.3
0
0
2.7
0.3
0.3
0.3
0.3
0.3
0.3
11.9
-11.4
1.7
1.3
1.7
1.7
2.7
2.8
2.8
2.7
2.8
2.7
2.8
5.3
2.7
2.7
0
5.3
0
4.9
3.3
1.6
1.7
1.7
1.7
1.3
2.7
5.3
2.8
2.8
0
5.1 5.1
0
11.9
0
0
0
0
0
0
0
-11.4
11.9
-11.4
0
0
0
0
0
0
11.9
-11.4
0
0
0
11.9
0
0
0
0
-11.4
0
0
0
11.9
0
0
0
-11.4
0
0
0
2.7
2.7
0
0
2.7
FL
C
SW
SL
SBL
C
SL/SR
SBL/SBR
PL/PR
FL/FR
DIGITAL IN
ANALOG IN
DSP-AX763 DSP-AX763 HTR-6160 RX-V663 RX-V663 RX-V663/HTR-6160 RX-V663/HTR-6160
Power Supply
Enhanced
Multilevel
Delta Sigma
Modulator
VOUTL
4 /8
Oversampling
Digital
Filter
With
Function
Control
Audio
Serial
Port
BCK
LRCK
DATA
Serial
Control
Port
Zero Detect
(TEST)
SCK
System
Clock
Manager
MC (DEMP1)
MS (DEMP0)
Output Amp
and
Low Pass Filter
MD (MUTE)
DAC
VCOM
System Clock
AGND
V
CC
ZEROR/ZEROA
(1)
(ZEROA)
ZEROL/NA
(1)
Output Amp
and
Low Pass Filter
DAC
VOUTR
(FMT)
(1) Open-drain output for thePCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.
ZEROR/ZEROA
VOUTL
VOUTR
VCOM
AGND
VCC
NC
NC
16
15
14
13
12
11
10
9
ZEROL/NA
MS
MC
MD
SCK
DATA
BCK
LRCK
1
2
3
4
5
6
7
8
IC64 : PCM1780DBQR
Audio digital-to-analog converter
(1) Open-drain output for the PCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.
Power Supply
Enhanced
Multilevel
Delta-Sigma
Modulator
VOUTL
4 /8
Oversampling
Digital
Filter
With
Function
Control
Audio
Serial
Port
BCK
LRCK
DATA
Serial
Control
Port
Zero Detect
(TEST)
SCK
System
Clock
Manager
MC (DEMP1)
MS (DEMP0)
Output Amp
and
Low-Pass Filter
MD (MUTE)
DAC
VCOM
System Clock
AGND
V CC
ZEROR/ZEROA
(1)
(ZEROA)
ZEROL/NA
(1)
Output Amp
and
Low-Pass Filter
DAC
VOUTR
(FMT)
ZEROA
VOUTL
VOUTR
VCOM
AGND
VCC
NC
TEST
16
15
14
13
12
11
10
9
FMT
DEMP0
DEMP1
MUTE
SCK
DATA
BCK
LRCK
1
2
3
4
5
6
7
8
IC61 : PCM1781DBQR
Audio digital-to-analog converter
IC63 : NJM78M05DL1A
Voltage regulator
IN
OUT
GND
IC67, 71, 72 : NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC65 : PCM1680DBQR
Audio digital-to-analog converter
Output Amp and
Low-Pass Filter
System Clock
Manager
Enhanced
Multilevel
DeltaœSigma
Modulator
DAC
Serial
Input
I/F
Function
Control
I/F
System Clock
Zero Detect Power Supply
DAC
Output Amp and
DAC
DAC
Output Amp and
DAC
Output Amp and
DAC
Output Amp and
VOUT1
VOUT2
VOUT3
VCOM
VOUT4
VOUT5
VOUT6
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Output Amp and
A
G
ND2
V
CC
2
A
G
ND1
V
CC
1
DGND
V
DD
ZER
O
1
ZER
O
2
BCK
LRCK
DATA1 (1, 2)
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
MS/ADR
MC/SCL
MD/SDA
MSEL
SCK
8
Oversampling
Digital Filter
With
Function
Controller
DAC
Output Amp and
DAC
Output Amp and
VOUT7
VOUT8
Low-Pass Filter
Low-Pass Filter
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V IN L
V
IN
R
V
REF
1
V REF 2
V
CC
AGND
PDWN
BYPAS
TEST
LRCK
MODE1
MODE0
FMT1
FMT0
OSR
SCKI
V
DD
DGND
DOUT
BCK
IC66 : PCM1803DBR
Stereo A/D converter
BCK
VINL
Reference
VREF1
VREF2
VINR
Delta-Sigma
Modulator
Delta-Sigma
Modulator
x 1/64, x 1/128
Decimation
Filter
With
High-Pass Filter
Power Supply
AGND VCC VDD DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
TEST
IC62 : 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
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
IC45, 46 : TC74VHC153FT
Dual 4-channel multiplexer
14 A
S0
S0
6 1C0
2
B
S1
S1
S2
S2
S3
S3
S0
7 1Y
5 1C1
S1
4 1C2
S2
1 1G
3 1C3
S3
10 2C0
S0
9 2Y
11 2C1
S1
12 2C2
S2
15 2G
13
2C3
S3
CLK
CS
RAS
CAS
WE Command Decoder
Control Logic
Latch Circuit
Input & Output
Buff
er
Ro
w Decoder
Bank A
Sense Amplifier
Column Decoder
Data Control Circuit
L(U)DQM
DQ
CKE
Address
Clock
Generator
Row
Address
Buffer
Column
Address
Buffer
&
&
Refresh
Counter
Refresh
Counter
Mode
Register
Bank B
Bank C
Bank D
IC49 : M12L64164A-5TG
1M x 16-bit x 4 banks synchronous DRAM
VDD
A3
A2
A1
A0
A10/AP
A12
A13
CS
RAS
CAS
WE
LDQM
VDD
VSSQ
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
VDDQ
VDDQ
VSSQ
DQ0
VDD
VSS
A4
A5
A6
A7
A8
A9
A11
NC
CKE
CLK
UDQM
NC
VSS
VDDQ
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
VSSQ
VSSQ
VDDQ
DQ15
VSS
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
IC51 : EN29LV160AB-70TCP
16 M-bit flash memory boot sector flash memory, CMOS 3.0 V-only
Vcc Detector Timer
Program Voltage
Generator
Chip Enable
Output Enable
Logic
Y-Decoder
Input/Output buffers
Y-Gating
Cell Matrix
X-Decoder
Address Latch
Erase Voltage Generator
Block Protect Switches
WE#
CE#
OE#
A0-A19
Vcc RY/BY#
Vss
DQ0-DQ15 (A-1)
STB
STB
State
Control
Command
Register
Data Latch
A1
A15
A18
A14
A13
A12
A11
A10
A19
A9
A8
NC
WE#
RESET#
NC
NC
RY/BY#
A17
A7
A6
A5
A4
A3
A2
1
16
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
9
10
11
12
13
14
15
A16
DQ2
BYTE#
VSS
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ9
DQ1
DQ8
DQ0
OE#
VSS
CE#
A0
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
48
33
47
46
45
44
43
42
41
40
39
38
37
36
35
34
25
32
31
30
29
28
27
26
IC BLOCK DIAGRAMS DIGITAL 3/5
1
2
3
4
8
7
6
5
1OUT
1IN–
1IN+
VCC–
VCC+
2OUT
2IN–
2IN+
OUT
VCC–
VCC+
36 pF
37 pF
14 pF
7 pF
15 Ω
460
Ω
15
Ω
IN+
IN
IC68-70 : NE5532DR
Dual low-noise operational amplifiers
SELECTOR
to DIGIT
A
L 3/5
to DIGIT
A
L 3/5
to DIGIT
A
L 3/5
(U, C models)
8ch DAC
2ch DAC
2ch ADC
2ch DAC
(U, C models)
to FUNCTION (1)_CB205
Page 110 A6
to MAIN (2)_W107
Page 113 K9
to OPERATION (1)_W401
Page 112 I9