Yamaha RX-V740, Руководство по обслуживанию

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A B C D E F G H I J K L
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
81
SCHEMATIC DIAGRAM (DSP)
1
2
3
4
5
6
7
8
9
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
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.
Point
1
Pin 1 of IC601
IC602: MSM514260E-60JS
4Mbit DRAM
Timing
Generator
I/O
Controller
Output
Buffers
Input
Buffers
Input
Buffers
Output
Buffers
I/O
Controller
Column Decoders
RAS
Refresh
Control Clock
14
WE
13
9
9
LCAS 29
UCAS
A0~A8
28
VCC
20
VSS 21
Sense Amplifiers
I/O
Selector
Memory
Cells
OE
27
DQ9~DQ16
Column
Address
Buffers
Internal
Address
Counter
Row
Address
Buffers
On Chip
VBB Generator
Row
Deco-
ders
Word
Drivers
9
9
16 16
8
8
8
8
8
8
DQ1~DQ8
8
8
IC603: PQ025EZ5MZP
Regulator
1
Vin
3
Vo
2 Vc
5
GND
IC604:
µ
PC29M33T-E1
Voltage Regulator
3
OUTPUT
1 INPUT
2 GND
Safety Drive
Limiter
Excessive Electric
Current Protection
Sudden Current
Protection
Starter Circuit
Driver
Standard Voltage
Overheat Protection
Amp.
IC605: AK4529VQ
96kHz 24Bit Multi-channel CODEC
MCLK
LRCK
BICK
Format
Converter
SDOS
SDOUT
SDIN1
SDIN2
SDIN3
SDIN4
ADC HPF
Audio
I/F
ADC HPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
DAC DATT LPF
AK4529
22 ROUT4
12
1
SDTI4
8 SDTI3
7
SDTI2
6 SDTI1
9 SDTO
10 DAUX
4 BICK
5 LRCK
39
MCLK
32 RIN
31 LIN
21 LOUT4
24 ROUT3
23 LOUT3
26 ROUT2
25 LOUT2
28 ROUT1
27
LOUT1
Audio
Data
Interface
µ
P
Interface
CSN
De-emphasis
Control
Clock
Divider
MCLK
CCLK
8X
Interpolator
Modulator
Modulator
SCF
SCF
8X
Interpolator
CDTI
AOUTL+
VDD
VSS
AOUTL-
AOUTR+
AOUTR-
6
PDN
5
1
7
8
LRCK
BICK
SDTI
4
2
3
9
10
11
12
13
14
DZFL
DZFR
15
16
IC606: AK4381VT
192kHz 24Bit 2ch DAC IC607 (U, C, R, T, K, A, B, G, L model): CS493264-CL
IC607 (J model): CS493292-CLR
Audio Decoder
Compressed
Data Input
Interface
17
37
38
32
DD
44
MCLK
43 SCLK
42
LRCLK
39
AUDATA2
40
AUDATA1
41
AUDATA0
3
AUDATA3, XMT958
FILT2
33
FILT1
34
VA
35
AGND
24
DGND3
13
DGND2
2
DGND1
23
VD3
12
VD2
1
VD1
DATA0, EMAD0, GPIO0
16
DATA1, EMAD1, GPIO1
15
DATA2, EMAD2, GPIO2
14
DATA3, EMAD3, GPIO3
11
DATA4, EMAD4, GPIO4
10
DATA5, EMAD5, GPIO5
9
DATA6, EMAD6, GPIO6
8
DATA7, EMAD7, GPIO7
36
RESET
DC
27
CMPDAT, SDATAN2, RCV958
28
CMPCLK, SCLKN2
29
CMPREQ, LRCLKN2
Digital
Audio
Input
Interface
RAM Input
Buffer
RAM Output
Buffer
24-Bit
DSP Processing
Output
Formatter
STC
RAM
Program
Memory
RAM
Data
Memory
ROM
Program
Memory
ROM
Data
Memory
Frame
Shifter
Input
Buffer
Controller
Parallel or Serial Host Interface
25 SCLKN1, STCCLK2
26
LRCLKN1
PLL
Clock Manager
30
CLKIN
31 CLKSEL
22
SDATAN1
18
CS
5
RD, R/W, EOME, GPIO11
4
WR, DS, EMWR, GPIO10
19
SCDIO, SCDOUT, PSEL, GPIO9
7
A0, SCCLK
6
A1, SCDIN
20
ABOOT, INTREQ
21
EXTMEM, GPIO8
IC608: XC9572XL-10Q100C
CPLD
I/O
Function
Block 1
Macrocells
1 to 18
I/O
Blocks
JTAG
Controller
In-System Programming Controller
F
ast CONNECT II Switch Matr
ix
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O/GCK
I/O/GSR
I/O/GTS
2
54
18
1
JTAG Port
1
3
3
Function
Block 1
Macrocells
1 to 18
54
18
Function
Block 1
Macrocells
1 to 18
54
18
Function
Block 1
Macrocells
1 to 18
54
18
CE
COLUMN
DECODER
POWER
DOWN
OE
I/O
7
I/O
6
A
14
WE
A
13
A
12
A
11 A
1
A
0
IC609: CY62256LL
Static RAM
512x512
ARRAY
INPUT
BUFFER
R
O
W DECODER
SENCE
AMPS
A
7
A
6
A
5
A
4
A
10
A
9
A
8
A
3
A
2
I/O
5
I/O
4
I/O
3
I/O
2
I/O
1
I/O
0
IC611: NJM2904M
Dual OP-Amp
Q1
Q2 Q3
Q9 Q8
Q4
INPUTS
OUTPUT
V–
–
+
Q6
Q5
Q10
Q11
Q12
Q7
Q13
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC612: TC74HCT00AF
Quad 2-Input Nand Gate
Vcc 14 1A 1
IC613 : MM74HCU04SJX
Hex Inverters
A1
Y1
Y2
VCC
A6
1
2
3
4 11
A2 Y6
A5
12
13
14
A3
Y3
Y5
A4
5
6
7
Y4 8
9
10
GND
IC614: TC74HCT08AF
Quad 2-Input And Gate
Vcc 14
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC615: 74LCX07SJX
Hex Buffer
A0
O0
O1
VCC
A3
1
2
3
4 11
A1 O3
A4
12
13
14
A2
O2
O4
A5
5
6
7 O5
8
9
10
GND
IC616, 619: NJM2068MD
IC617, 618, 620, 621:
µ
PC4570G2
Dual OP-Amp
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
IC622, 623: TC74HC153AF
Dual 4 to 1 Data Selectors
15
STROBE
2G
2
B
SELECT
14
A
SELECT
13 12 11 10 9
OUTPUT
2Y
1
STROBE
1G
3 4 5
6
7
OUTPUT
1Y
16
VCC
8
GND
DATA INPUTS
DATA INPUTS
2C3 2C2 2C1
B A
2C0 2Y
2G
B
A
1C3 1C2 1C1 1C0 1Y
1G
B A B A
SELECT
INPUTS
B
X
L
L
H
H
A
X
L
H
L
H
STROBE
G
H
L
L
L
L
OUTPUT
Y
L
C0
C1
C2
C3
DSP
REGULATOR
4M DRAM
PLD
DECODER
CODEC
D/A CONVERTER
DATA SELECTOR
DATA SELECTOR
DUTY CORRECTOR
LEVEL CONVERT & SIGNAL DETECT
256K SRAM 4M ROM
x: NOT USED
O: USED / APPLICABLE
10
12
11 13
1 2 3
4
5
8
6 9
RX-640/RX-V640RDS/HTR-5660/DSP-AX640: Page 85 D8
DSP-AX640SE: Page 87 D8
RX-740/RX-V740RDS/DSP-AX740: Page 83 D8
to FUNCTION (4)
RX-740/RX-V740RDS/DSP-AX740/RX-640/RX-V640RDS/HTR-5660/DSP-AX640: Page 88 C2
DSP-AX640SE: Page 89 C2
to OPERATION (4)
RX-640/RX-V640RDS/HTR-5660/DSP-AX640: Page 84 H2
DSP-AX640SE: Page 86 H2
RX-740/RX-V740RDS/DSP-AX740: Page 82 H2
to FUNCTION (1)
1
4.4
4.9
3.9
4.8
4.9
4.9
4.9
2.6
4.8
4.8
4.9 4.9
4.9
4.9
4.8
3.4
3.4
3.4
3.4
3.4
0
0
4.9
0.1
3.3
0.1
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
0
3.4
3.4
3.4
3.4
3.4
2.3
3.3
3.4
3.4
3.4
0.1
3.4
0.1
3.4
0.1
3.4
3.3
3.4
0
4.9
0.1
3.4
3.4
3.4
3.4
3.4
3.4
0.1
3.4
3.4
3.4
3.4
3.4
3.4
3.4
4.9
3.2
2.6
3.6
0
0 0
0.1
0
0.1 0
0.1
4.9
0
0
0
0.4
0.4
0.4
0.4
0.4
0.2
0.2
0.2
0.2
2.1
~
2.0
~
~
~
~
~
0
0
0
0
2.6 3.3
3.3
0
2.6 4.7 4.9
0
0
0
0
0
0
0.1
0
0
0
0.1
0.4
3.6
3.6
0
0
0
0
0.4
0
0
0
0.1
3.3
3.4
0.1
4.8
0.4
0
0
0.4
0.1
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.0
5.0
2.5 2.5
5.0
-11.4
5.0 5.0
0
0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.4
-11.4
-12.0
11.7
0
0
0
0
0
0
11.7
11.7
11.7
11.7
11.7
-12.0
-12.0
-12.0
-12.0
-12.0
0
0
1.3
0
0
0
0
1.9
1.3
1.3
1.7
1.7
3.4
0
0.1
0.1
0.1
0
0
0
1.2
0
0
0
0.1
3.4
0
0
0
0.4
0.4
0.4
1.3
1.7
1.7
1.7
0
1.3
3.3
1.3
2.6
3.3
0.4
0
0
0
0
1.7
2.6
1.7
1.7
2.6
2.6
2.5
2.8
2.6
2.8
2.5 2.5 2.6
0
0.1 2.0
0
0.4
0
1.0
3.3 2.8 2.8 2.8 2.8 2.8 2.8 2.6 0 2.8
1.7
1.7
4.9
0
0
3.3
2.6
0.1
4.9
2.5
2.6
1.7
1.6 1.7 1.7 1.7 2.0 1.7 0.4 0.4 0.4 0.4
0.4
0.2 0.2 0.2 0.2 3.3 3.1 1.0
1.0 1.0 1.0
~
3.3 0 0
~ ~ ~
1.0
~
1.6
0 0 0 0 0 0 0.1
0.1 0
0.1
1.3
0.1
0 0
5.0
0
5.0
0
1.7
0 0 0 0 0
0 0 0 0
0
0 0 0
0
0 3.4
0.1
3.4 3.4 3.4 3.3 0.1
0.1
0.1 4.9
3.4 3.3
0.3
0
4.9
3.9
3.9
3.9
4.9
0.1
2.6
0.4
0.4
0.9 4.9
4.9
0.4
0.4
0.4
1.0
1.0
1.0
1.0
1.0
3.1
1.7
1.7
1.7
1.6
4.9
0
0
3.9
4.9
0
3.9
4.9
0
CENTER
MAIN L
REAR L
0
3.4
3.3
2.8
0
2.8 2.8 2.8
0
2.8 2.8 2.8 2.8 2.8
1.3
2.8
3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4
0
3.4
0
3.4
0
2.6
0.2
0
0
2.6
3.4
3.4
1.2
4.9
0
4.0
1.3
3.4
4.9
0
0.1 3.3 0.1
0 0
3.4
0
4.9 1.3 0.4
3.4 3.4 3.4 3.4
3.4 3.4
3.4 0.1
0
0.4
0
4.8
2.6
3.4
0.1
3.4
3.4
0.2
3.4
3.4
0
1.2
0
0.1
3.4
3.4
0.1
3.4
0.1
3.4
3.4
0
3.4
3.4
3.4
3.4
3.4
0
1.7
1.7
1.7
4.9
4.9
4.9
0.3
4.9
0
2.5
2.5
2.5
2.5