Yamaha HTY-7040, Service Manual

Page: 83 / 129

IC3
IC20
IC6
IC7
IC9
IC11
IC10
IC8
IC12
CB2
IC5
IC4
CB1
IC1
IC2
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
YSP-4000/YSP-40D/HTY-7040
83
★
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.
DSP 1/2
SCHEMATIC DIAGRAMS
DIGITAL IN
FRONT
SURROUND
CENTER
ANALOG IN
D-1
0.4
0
0
0
0
4.9
0.4
4.9
0
0
0
3.4
3.4
0
3.3
0
3.4
0
0
0
1.6
1.7
1.6
0
3.4
3.4
0
0
3.4
1.6 1.6
0
3.4
0
1.7 1.7
0
3.4
1.7
1.7 1.4
0 0 0
3.4
0
3.3
3.3 3.3
2.4 0
0
1.7
0
1.7
1.7
0
1.7
0
3.3
0
1.7
0
1.3
1.7
0
1.7
0
1.3
1.7
1.7
1.7
0
3.3
0
1.3
0
1.7
0
1.7
0
1.7
0
0 3.4
0
3.3
3.3
2.3
2.3
0
0
0
0
3.3
3.3
2.4
2.4
0
11.7
0
1.3
4.5
03
.4
3.4
11.7
0
1.3
6.8
01
.3
1.3
1.4
3.4
1.7
0
2.5
2.5
2.5
5.0
2.5
5.0
2.5
0
0
0
0
2.5
0
2.5
0
1.7
0
0.7
0
0
5.0
2.5
3.4
0
0
0
0
2.5
0
0
2.5
3.3
0
0
3.4
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
3.4
0.1
0.1
0.1
0
0
3.0
2.8
2.7
1.3
1.9
1.9
0
0.1
0.1
0.1
3.3
0
3.3
3.3
3.3
0
0.1
0.1
0
0
0.1
0
3.3
3.3
0.1
0.1
0
0.1
3.3
0
3.3
2.5
0
1.9
1.9
1.3
3.4
3.4
3.4
3.3
0
0.1
0.1
0.1
0.1
0.1
0
0.1
3.4
0.1
3.4
0
0.1
1.7
3.3
3.2
0
0
2.5
3.0
2.8
2.7
0
0
1.7
0
1.7
0
1.7
0
0 1.3 0 2.4 0 1.3 3.3 1.3
0
0.6 1.3
0 0 3.3
0
0 3.3 0
1.3
1.7
3.3 3.3
3.3
3.3
0
0.1
0
1.3
0.1
3.3 3.3
0
3.3 3.3
3.3
3.3
0
3.3
0.1
0
0.1
0
3.3
0.1
0.1 1.3
0 0.1
0.1 0.1
0.1 1.3 0.1 3.3
0
0.1
0.1
1.3
0.1
3.2
1.7
3.3
0
0
3.3
0
3.3
0 0 1.3 0
0.1 3.3
0
0
1.7
0
0
0
3.3
0
0
3.3
3.3
1.3
3.3
0
3.3
0
3.3
0
3.3
2.5
3.3
0
1.3
1.9
1.9
0
1.3
1.3
2.7
2.8
0
3.3
3.0
2.5
0
1.3
0
0
0
3.3
0
0
0
1.3
0
0
0
0
3.3
3.3
0
1.6
0
1.3
0 3.3
0
0
3.3
0
0
0
3.3
1.3
1.3
3.3
3.2
3.3
3.4
3.3
0
3.3
0
0
1.3
3.3
1.3
3.3
Input
Selector
RXOUT
RX0
RX1
RX2
RX3
RX4
RX5/VI
RX6/UI
LPF
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
TXO/PIOEN
Cbit, Ubit
Microcontroller
I/F
Data
Selector
Clock
Selector
Modulation
&
Parallel Port
PLL
XIN XOUT XMCK CKST
SLRCK
SBCK
RLRCK
RBCK
RMCK
SDIN
RDATA
RERR
DO
XMODE CI CE CL INT AUDIO/VO EMPHA/UO
1/N
Demodulation
&
Lock detect
1
2
3
4
5
8
9
10
13
44
45
46
47
48
29 28 27 34
23
22
20
17
16
24
21
36
37
41 38 39 40 35 33 32
IC3 : LC89057W-VF4AD-E
Digital audio interface transceiver
Voltage
regulator
Overcurrent
detection
circuit
Overheat
detection
circuit
ON/OFF
circuit
Q
R
S
F/F
2
5
4
1
3
COM
PWM COMP.
VIN VOUT
ON/OFF control
Oadj
Vref
ERROR AMP.
Soft start
Oscillator
IC10, 11 : PQ1CZ41H2Z
Chopper regulators
IC7 : TC74LCX245FT
Low voltage octal bus transceiver with 5-V tolerant inputs and outputs
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
DIR
OE
B1
B2
B3
B4
B5
B6
B7
B8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC1 : 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
IC8 : W9816G6CH-7
512 K x 2 banks x 16-bit SDRAM
CLOCK
BUFFER
ADDRESS
BUFFER
CLK 35
18
CKE 34
A10 20
CS
17 RAS
16 CAS
15 WE
21 A0
24 A3
27 A4
32 A9
19 BA
2 DQ0
3 DQ1
5 DQ2
6 DQ3
8 DQ4
9 DQ5
11 DQ6
12 DQ7
39 DQ8
40 DQ9
42 DQ10
43 DQ11
45 DQ12
46 DQ13
48 DQ14
49 DQ15
14 LDQM
36 UDQM
COMMAND
DECODER
REFRESH
COUNTER
REFRESH
COUNTER DQ
BUFFER
COLUMN
COUNTER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
CELL ARRAY
BANK #0
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
9
5
10
7
8
1 14
13
3
12
2
6 4 11
AVDD
CAP
AGND
RIN
LIN
DVDD DGND
SDATO
LRCLK
BCLK
MCLK
VREF FMT NOHP
ADC
ADC
DIGITAL
FILTERS AUDIO
INTERFACE
CONTROL
INTERFACE
IC9 : WM8738
24-bit stereo ADC
1
2
3
NC
IN A
GND 4
5
OUT Y
VCC
A
L
H
Y
H
L
1
3
2
5
4 GND
VCC
IC4 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
IC6 : TC7SHU04FU
Inverter
~
~
IC5 : 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
IC20 : TC7SH126FU
Bus buffer
1
2
3
G
IN A
GND
4
5
OUT Y
V
CC
A
X
L
G
L
H
Y
Z
L
H H H
POINT D-1 XL1 (Pin 29 of IC3)
1 1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
Vcc
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC2 : TC74VHC244FT
Octal bus buffer non-inverted 3-state outputs
No replacement part available.
サービス部品供給なし
FLASH ROM DRAM
DSP1
Selector
Decoder / Post processor
DIR
ADC
to INPUT_CB13
Page 85 A2