Schematic Diagrams - Yamaha RX-V861 Service Manual

A B C

SCHEMATIC DIAGRAMS

DSP 1/2
1
2
DOCK
(iPod)
3
2.8 3.4
DIGITAL IN
0.1
3.4
0
4
0.2
0.1 0.2
5.0
0
0
3.4
0.2 3.4
0
0
5.0
0.2
0
5
5.0
0
0
0
0
0.2
2.8
0
0
5.0
5.0
IC52 IC52
2.5 2.1 2.1 4.6
6
0
IC52 IC52
2.5 2.1 2.1 4.6
IC52 IC52
0 4.9
0
BUFFER
7
XM
8
XMDT IC
9
U, C models
POINT B-2 Pin 29 of IC41
10
D E F
Page 103 E2 Page 101 L2
to VIDEO_W3501 to OPERATION (4)_W442
3.4
3.4
3.4 0
3.4 0
3.4 0
0
0 0
0
0
SELECTOR
3.4
3.4
3.4
3.3
0
0
3.4
0.2 1.6
4.6 1.6
4.6 1.7
DIR
B-2
3.4
0
1.7
IC53
IC48: R1172H331D-T1-F
IC52: TC74VHCU04FT (EL)
IC54, 55: TC74VHCT08AFT
Voltage regulator
Quad 2-input AND gate Hex inverter
1A 1 14 Vcc VCC
1A 1 14 V
DD 4
1B 2 13 4B
6A
1Y 2 13
1Y 3 12 4A
2A 3 12 6Y
2A 4 11 4Y
2B 5 10 3B 2Y 4 11 5A
2Y 9 3A
6
3A 5 10 5Y Vref
GND 7 8 3Y
Current Limit
3Y 6 9 4A
CE 1
A Y
GND 7 8 4Y L H
H L
G H
Page 107 N3
to HDMI_CB4
3.4 5.0
1.3 3.0
1.3
0 0
IC48
3.0
IC56
0 3.4
0 0
0 0
0 0
3.4
0
0 0
1.7 1.7
0 1.7
0
3.4
0
0
0
0
0 0
0 0
1.3
0 1.3
0
0 0
0
0
0
3.4
0
3.4
DECODER/
0
1.2 1.2
0 3.4
POST PROCESSOR
3.4 0
0
3.4
0
0
0
3.4
3.4 0
0
3.4
1.2 2.8
1.7 3.4
0 0
3.4 1.2
1.2 0
0
0
0 0
0 3.3
1.2 1.2
2.9
0
3.1
3.4 0
3.4
No replacement part available. / 3.4
3.4 2.5
0
0.6
3.4 0
3.4 1.2
1.2 0
3.4 0
3.4
0
0 3.4
IC47: R1172S121D-E2-F
Voltage regulator
V
5 OUT V DD 6 1 V OUT
Pin No.
Pin No. Symbol Description
1 CE Chip Enable Pin 1
Vref
2, 5
2 GND Ground Pin
Current Limit
3
3 NC No Connection
2 GND CE 3 2,5 GND
4
4 V DD Input Pin
6
5 V Output Pin of Voltage Regulator
OUT
I J K
Page 1054 F9
to VIDEO_CB306
IC50
0 4.9
3.4 3.4
3.4
0
0
SBL/SBR
0
ANALOG IN
16M SDRAM
No replacement part available. /
3.4 0
0.2 0.2
0.2 0
0
0
0.2 0.3
0.2 0.3
3.4
3.4
0.2 0.2
0.2 0.2
0 0
0.2 0.2
0.2 0.2
3.4 3.4
3.2
3.4 3.4
3.4 1.7
3.4
3.4
0
3.4 0
2.8 0
0 0.6
0 2.5
0 3.1
3.3 2.9
0
3.4
IC44: D70YE101BRFP266
Floating-point digital signal processors
Program/Data
JTAG EMU
256 RAM
D1
256K Bytes
Data 64 32
R/W
Program/Data
256 ROM Page1
C67x+ Microprocessor 32
256K Bytes
D2 Memory
Data 64 Controller Program/Data 32
R/W
256 ROM Page2
256K Bytes
32
Program
I/O INT Fetch Program/Data
32
256 ROM Page3
256K Bytes
32
CSP 32 32
Program
32
256
Cache
32K Bytes PMP DMP
32
32 32
32
High-performance
32
Crossbar Switch
32
32 32 32 32
Symbol Description 32
VOUT Output Pin of Voltage Regulator
32
GND Ground Pin
I/O Interrupts MAX0 CONTROL MAX1 Events
CE Chip Enable Pin
Out In
EMIF
NC No Connection
VDD Input Pin
dMAX
Peripheral Interrupt and DMA Events
L M N
RX-V861/HTR-6080/DSP-AX861SE/DSP-AX861
IC49: W9816G6CH-7
512 K x 2 banks x 16-bit SDRAM
CLK 35
CLOCK
BUFFER
CKE 34
COLUMN DECODER
CS 18 CONTROL
SIGNAL
R
RAS 17 GENERATOR O
COMMAND
W
DECODER
CAS 16
D CELL ARRAY
2 DQ0
WE 15 E BANK #0
C
3 DQ1
O
D
E 5 DQ2
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
A4 27 COUNTER BUFFER 39 DQ8
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
SENSE AMPLIFIER 36 UDQM
IC45, 46: TC74VHC153FT
Dual 4-channel multiplexer
A 14
S0
S0
S1
S1
B 2
S2
S2
S3
S3
6
1C0 7
1Y
S0
5
1C1
S1
1C2 4
S2
1C3 3
S3
1G 1
10
2C0 9
2Y
S0
11
2C1
S1
12
2C2
S2
2C3 13
S3
2G 15
PL/PR
FL/FR
C
IC43: TC74VHC157FT
SL/SR
Quad 2-channel multiplexer
SELECT 1 16 Vcc
1A 2 A S G 15 ST
1B 3 B A 14 4A
1Y 4 Y B 13 4B
2A 5 12 4Y
A Y
2B 6 11 3A
B A
2Y 7 Y Y B 10 3B
GND 8 9 3Y
IC41: LC89057W-VF4AD-E
Digital audio interface transceiver
4/8M ROM
EMPHA/UO AUDIO/VO INT CL CE CI XMODE
32 33 35 40 39 38 41
Microcontroller
RXOUT 1 Cbit, Ubit 37
DO
I/F
RX0 2
36 RERR
RX1 3
RX2 4
Input Demodulation
0 Data
0 RX3 5 Selector & 21 RDATA
Selector
Lock detect
RX4 8
0 3.4
0 RX5/VI 9
0
24 SDIN
RX6/UI 10
0
0.2 16 RMCK
LPF 13 PLL
17 RBCK
0 0
Clock 20 RLRCK
TMCK/PIO0
0 0.2 44
Selector
22 SBCK
TBCK/PIO1 45 Modulation
0.6 0.3 1/N
& 23 SLRCK
46
0.2 TLRCK/PIO2 Parallel Port
TDATA/PIO3 47
0.3
3.4 0.2 TXO/PIOEN 48
3.4 3.4 29 28 27 34
XIN XOUT XMCK CKST
0.2
0
0.2
0
0.2
2.5 0.2
IC50, 56: SN74LV245APWR
3.1 0.2
Octal bus transceiver with 3-state outputs
2.9 0.2
3.3 3.4
0 0
DIR 1 20 Vcc
0
3.4
0
3.4 A1 2 19 OE
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 7 14 B5
A7 8 13 B6
McASP0
16 Serializers
A8 9 12 B7
GND 10 11 B8
McASP1
6 Serializers
McASP2
2 Serializers
DIT Only
SPI1
SPI0
I2C0
I2C1
RTI
PLL
97