Schematic Diagrams - Yamaha RX-V661 Service Manual

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SCHEMATIC DIAGRAMS

DSP 1/3
1
DSP
2
DOCK
(iPod)
3
2.8 3.4
0
0
4
DIGITAL IN
0
0.2
0.2
0
3.4
0.2
0.1 0.4
0.4
4.9
3.4
0
0
0.2
0
4.9
5
0.2
0
0
4.9
0
0
2.8 0
0.2 0
0
4.9
2.8
IC52 4.9 IC52
2.5
2.1
0.4
0
6
IC52 IC52
2.5 0.4
2.1
IC52 IC52
0 4.9 0
BUFFER
7
XM
XMDT IC
8
9
U, C models
POINT B-3 Pin 28 of IC41
10
D E F
Page 100 D2 Page 98 L3 Page 101 L8
to VIDEO_W3001 to OPERATION (4)_W442 to HDMI_CB4
0.5P1.0
SELECTOR
3.4 3.4
0
0 0
0
0
0
0 0
0
0
3.4
0
0
0
0
3.4
1.5
1.6
DIR 1.7
3.4
B-3
0
0
1.7
0
0
0
0
0
1.2
0
3.4
0
0
0
3.4
0
1.2
1.7
0
IC53
1.2
0
0
0
1.2
0
3.4
3.4
0
0
3.4
3.4
1.2
3.4
3.3
0
IC47: R1172S121D-E2-F
Voltage regulator
V DD 6 1 V OUT
Pin No. Symbol
Vref
1 VOUT
2, 5 GND
Current Limit
CE GND 3 CE
3 2,5
4 NC
6 VDD
G H
1.2 3.0 3.4 4.9
1.2 3.0
0 3.4 3.4 4.9
0
3.0 IC48
0
4.9
0
0 3.4
0 0
0 0
0 0
0 3.3
1.7 0
1.7 1.7
0 1.7
0 3.4
0 0
0
0 0
0
1.7 0
1.3
1.7
0 1.3
0
3.4
0
0
3.4
3.4
1.2
DECODER/
3.3
0
3.4
POST PROCESSOR
0
0
0
3.4
3.3
3.4
2.7
1.2
0
0
0
3.4
1.2
2.8
0
0
3.4
No replacement part available.
0
0
0
1.2
0
0
0
3.4
IC48: R1172H331D-T1-F
Voltage regulator
V DD 4 5 V OUT
Description
Pin No. Symbol
Output Pin of Voltage Regulator Vref
1 CE Chip Enable Pin
Ground Pin
2 GND Ground Pin
Current Limit
Chip Enable Pin
CE 1 2 GND 3 NC No Connection
No Connection 4 V Input Pin
DD
Input Pin
5 V OUT Output Pin of Voltage Regulator
I J K
to DSP 3/3
5.1 4.9
3.4 3.4
IC50
2.9
3.4
PL/PR
FL/FR
C/SW
SL/SR
SBL/SBR
ANALOG IN
16M SDRAM
No replacement part available.
4/8 ROM
3.4 0
0.2 0.2 0 0
0.2 0.1 0 3.4
0 0 0 0
0.2 0.2 0 0.2
0.3 0.2 3.3 0.2
3.4 3.4
0 0.1
0.2 0.1 0 0.2
0.2 0.2 0 0.2
0 0 0.2
0.2 0.2 0.2
0.2 0.1 0 0.2
3.4 3.4
3.4 3.4
3.4 0.2
3.4 3.4 0.3
3.4 1.7 0.2
3.4 3.4 0 0.2
0 0 0.2
0 0
3.4 0.2
3.3 0 3.4 0.1
2.7 0
0 0.2
0 3.4 3.2 3.4
0 3.4 0 0
3.2 2.8
0 3.3
3.4 0 2.7 3.4
IC44: D70YE101BRFP266
Floating-point digital signal processors
Program/Data
JTAG EMU
256 RAM
D1
256K Bytes McASP0
Data 64
32 16 Serializers
R/W Program/Data
256 ROM Page1
C67x+ Microprocessor 32
256K Bytes
D2 Memory
Data 64
Controller Program/Data 32
R/W McASP1
256 ROM Page2
6 Serializers
256K Bytes 32
Program
I/O INT
Fetch Program/Data
32 McASP2
256 ROM Page3
256K Bytes 2 Serializers
32 DIT Only
CSP 32 32
Program SPI1
32
Cache 256
PMP DMP
32K Bytes
SPI0
32
32 32
I2C0
32
High-performance
32
Crossbar Switch
32 I2C1
Description
32 32 32 32
32 RTI
32 PLL
I/O Interrupts MAX0 CONTROL MAX1 Events
Out In
EMIF
dMAX
Peripheral Interrupt and DMA Events
L M N
RX-V661/HTR-6060/DSP-AX761
IC41: LC89057W-VF4AD-E
Digital audio interface transceiver
EMPHA/UO AUDIO/VO INT CL CE CI XMODE
32 33 35 40 39 38 41
RXOUT 1 Microcontroller
Cbit, Ubit 37 DO
I/F
RX0 2
36 RERR
3
RX1
RX2 4
Demodulation
Input Data
RX3 5 21
Selector & RDATA
Selector
Lock detect
RX4 8
RX5/VI 9
24 SDIN
RX6/UI 10
16 RMCK
LPF 13 PLL
17 RBCK
Clock 20
RLRCK
TMCK/PIO0 44
Selector
22 SBCK
Modulation
TBCK/PIO1 45 1/N
& 23 SLRCK
TLRCK/PIO2 46
Parallel Port
TDATA/PIO3 47
TXO/PIOEN 48
29 28 27 34
XIN XOUT XMCK CKST
IC50: SN74LV245APWR
IC52: TC74VHCU04FT
Octal bus transceiver with 3-state outputs
Hex inverters
DIR 1 20 Vcc
VCC
1A 1 14
A1 2 19 OE
2 13 6A
1Y
2A 3 12 6Y A2 3 18 B1
2Y 4 11 5A
A3 4 17 B2
3A 5 10
5Y
A4 5 16 B3
3Y 6 9 4A
A5 6 15 B4
GND 7 8 4Y
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
IC54, 55: TC74VHCT08AFT
Quad 2-input AND gate
1A 1 14 Vcc
1B 2 13 4B
1Y 3 12 4A
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A IC45, 46: TC74VHC153FT
GND 7 8 3Y Dual 4-channel multiplexer
A 14
S0
S0
S1
S1
B 2
S2
S2
S3
IC43: TC74VHC157FT
S3
Quad 2-channel multiplexer
1C0 6
7 1Y
S0
SELECT 1 16 Vcc 1C1 5
S1
1A 2 A S G 15 ST
1B 3 B A 14 4A 1C2 4
S2
1Y 4 Y B 13 4B
2A 5 12 4Y
A Y 1C3 3
S3
2B 6 B A 11 3A
2Y 7 Y Y B 10 3B 1G 1
GND 8 9 3Y
2C0 10
9 2Y
S0
2C1 11
S1
2C2 12
S2
2C3 13
S3
2G 15
IC49: W9816G6CH-7
512K x 2 banks x 16-bit SDRAM
CLK 35
CLOCK
BUFFER
CKE 34
COLUMN DECODER
CONTROL
CS 18
SIGNAL R
RAS 17 GENERATOR O
COMMAND
W
CAS 16 DECODER
D CELL ARRAY 2 DQ0
E
WE 15 BANK #0
C
3 DQ1
O
D
5 DQ2
E
R
A10 20 6 DQ3
SENSE AMPLIFIER
8 DQ4
9 DQ5
MODE
A0 21 11 DQ6
REGISTER
12 DQ7
A3 24 ADDRESS
REFRESH DQ
BUFFER
COUNTER BUFFER 39 DQ8
A4 27
40 DQ9
A9 32
42 DQ10
BA 19
43 DQ11
45 DQ12
46 DQ13
REFRESH COLUMN
COLUMN DECODER
48 DQ14
COUNTER COUNTER
R
49 DQ15
O
W
D CELL ARRAY
E
BANK #1
C
O
D
E
14 LDQM
R
36 UDQM
SENSE AMPLIFIER
# All voltages are measured with a 10MΩ/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.
93