Yamaha RX-V2065 - AV Network Receiver, Service Manual

Page: 137 / 163

A
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10
B C D E F G H I J K L M N
137
GUI 1/2
RX-V2065/HTR-6295
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
IC506
IC505
IC523
CB502
IC522
IC522
IC522
IC522
CB501
CB500
IC521
IC521
IC521
IC521
CB503
IC504
IC507
IC513
IC514
IC501
IC503
IC502
IC525
IC524
IC523
IC523
IC523
IC525
IC525
IC525
IC526
IC526
IC526
IC526
IC524
IC524 IC524
IC526
IC512
IC511
IC510
IC509
IC508
1.6
3.3
3.3
3.3
3.3
3.3
0.2
0.7
3.3
3.3
3.3
3.3
3.3
3.3
0.3
0
0
5.0
5.0
3.3
1.3
3.3
0
0
1.6
1.7 1.6
1.7
1.6
3.3
3.3
3.3
3.3
3.3
2.5
5.1
0 0 0
2.5
0
5.1
2.6
3.3
3.3
1.7
1.7
0.3
0.3
1.7
0
1.7
1.7
1.7
0
0
3.3
3.3 3.3 0 0 1.3 1.3
1.3
1.7
0 0 0 0 0 0
0
0 0 0 0 0 0
0 0 0 0 0 0
0
0 0 0
1.3
3.3
0 0 0 0
3.3
3.3 3.3 3.3 2.8
0 0 0 0
0.3
0 0 0 0 0 0 0 0
0 0 0 0 0
1.5
0
1.3
0 0 0 0 0 0 0 0 0
0.2 3.0 2.2
3.3
3.3 3.3 0 0
3.3
3.3 3.3 3.3 3.3
1.7 1.7 1.7
1.4 1.6
1.7
3.3
0 0 0 0 0 0 0
0
3.3
0.3
0.7
0
0
0
0
0
3.3
3.3
3.3
3.2
3.3
3.3
0
0
0
1.7
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0.7
3.0
3.0
3.0
1.6
1.8
1.5
1.7
0
3.3
3.3
3.3
0
0
0
0
0
0
0
0
1.7
1.6
1.6
1.5
1.5
0
0
0
0
3.3
3.3
3.3
0
0
0
0
0
0
0
0
3.3
0
0
0
1.2
0
0
0
0.3
0
3.3
3.3
0
0
0
0
0
0
0
0
3.3
0
0
0
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0.7
3.0
1.8
1.6
1.5
3.0
3.3
2.6
1.7
1.3
3.3
3.3
3.3
3.3
3.3
1.3
1.3
3.3
3.3
3.3
3.3
3.3
3.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
0
3.2
3.1
1.3
1.7
1.7
0
1.7
0
1.3
3.3
3.3
3.3
1.3
0
0
0
0
0
3.0
0
1.6
1.5
1.7
2.8
0
1.6
0
0
3.3
3.3
0.6
3.3
0
0.2
0
0
1.6
2.8
1.5
1.6
0
1.7
1.7
1.5
3.3
0
3.0
3.3
1.5
1.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
2.8
3.3
3.3
2.8
3.3
0.6
3.3
3.3
3.3
3.3
0
0
0
0
0
3.3
3.3
2.6
3.0
3.0
3.0
3.3
0
3.3
3.3
3.3
3.3
0
0
0
3.3
2.8
0.7
3.3
0
0
0
3.3
2.2
0
0
1.6
1.5
1.6
0
1.7
1.7
1.7
1.5
3.3
0
3.3
1.5
1.8
0
0
3.3
3.3
2.6
3.0
3.0
3.0
3.3
0
3.3
3.3
3.3
0
0
0
1.5
1.5
1.6
1.6
1.7
0
3.3
3.3
0
3.3
3.3
2.8
0
1.7
1.8
1.5
1.6
3.0
3.0
3.0
0
3.3
0
0
2.2
0
0
0.2
0
3.0
3.3
0
0.3
0
0
0
0
0
0
3.3
0
3.3
0.7
3.3
0
0
0.3
3.3
2.8
0.7
3.3
0
3.0
0.2
0
0
0
0
0
0
0
0
0
3.3
0
0
3.3
3.3
3.3
3.3
0
3.3
0
3.3
0
0
0
0
0
0
0
0 0
3.3
3.3
3.1
0
0
0
0
0
0
0
0
0
0
0
3.3
1.7
1.7
1.7
1.7
1.7
0
3.3
3.3
3.3
3.3
0
0
1.7
1.6
1.7
1.7
1.7
1.7
POINT G XL502 (Pin 10 of IC505)
POINT H XL500 (Pin 8 of IC521)
POINT I XL501 (Pin 8 of IC522)
H
I
G
(1) Open-drain output for the PCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.
Power Supply
Enhanced
Multilevel
Delta-Sigma
Modulator
VOUTL
Oversampling
4 x 8
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
IC504 : PCM1781DBQR
Audio digital-to-analog converter
A
2
B
3
C
4
D
5
ENP
6
GND LOAD
ENT
QD
QB
QC
ROC
VCC
QA
7
8
IC501, 502 : SN74LV163APWR
4-bit synchronous binary counters
CLR
CLK
1
15
14
13
12
11
10
9
16
D 6
QD 11
QC 12
QB 13
QA 14
RCO
15
C 5
B 4
A 3
CLK 2
CLR 1
ENT 10
LOAD 9
ENP 7
CK
CK
R
LD
LD
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
IC523 : 74LVC08APW
Quad 2 input AND gate
1 1A
2 1B
3 1Y
4 2A
5 2B
6 2Y
7
14 Vcc
13 4B
12 4A
11 4Y
10 3B
9 3A
8 3Y GND
IC508 : 74LVC1G08GW
Single 2 input AND gate
1 B
A 2
3 GND
5
4
Vcc
Y
IC509-512 : 74LVC245APW,118
Octal bus transceiver with direction pin
with 5 V tolerant input/outputs (3-state)
1 DIR
2 A0
A1
A2
A3
A4
A5
A6
A7
3
4
5
6
7
20 Vcc
19
18
17
16
15
14
8
9
10
13
12 B6
B5
B4
B3
B2
B1
B0
OE
11 B7 GND
IC525, 526 : 74LVC32APW
Quad 2 input OR gate
1 1A
2 1B
3 1Y
4 2A
5 2B
6 2Y
7
14 Vcc
13 4B
12 4A
11 4Y
10 3B
9 3A
8 3Y GND
2CLR 13
2D 12
2CLK 11
2PRE 10
2Q 9
2Q 8
1D 2
1CLK 3
1PRE 4
1Q 5
1Q 6
GND 7
IC503 : SN74LV74APWR
Dual positive edge triggered D-type flip flop
Vcc 14 1CLR 1
IC524 : TC7WH14FK
Triple schmitt inverter
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
VCC
1Y
3A
2Y
IC505 : AD91089ZSKBC
Microprocessor
PPI/GPIO
L1 data
memory
JTAG test
and emulation
Voltage
regulator
L1 instruction
memory
Memory
management
unit
Core/System bus interface
Real time clock
UART port IrDA®
Serial port (2)
DMA controller
Boot ROM
SPI port
External port FLASH,
SDRAM control
Event controller/
Core timer
Watch dock timer
Timer0, Timer1, Timer2
Y
Delay
C
Delay
10-bit
DAC
22 C
DVDD DVSS
Data[7:0]
AVDD AVSS
Composite
Y
Chroma
LPF Filter
(x2 Interpolator)
Sub-Carrier
Generator
Input formatter
EAV Decode
VREF
Generator
Sync-Form
Generator
Timing Generator
u-P I/F (I2C)
and
Registor
Macrovision
CGMS-A
WSS
4:2:2 to 4:4:4
(x2 Interpolator)
Lurra Filter
(x2 Interpolator)
IC506 : AK8814VQ
NTSC/PAL digital video encoder
10-bit
DAC
10-bit
DAC
20
IREF
VREFIN VREFOUT /RESET HSYNC CLKNV SELA
VSYNC CLK
/PD SDA SCL
29
28 27 18
6,31,42,44 21,26 7,30,40,47 19,23,25
17 16 14 45 46 15
IC521-522 : TC7WHU04FU
Triple inverter
8
1
1A
VCC
7
2
3Y
1Y
6
3
2A
3A
5
4
GND
2Y
IC513 : K8P6415UQB-PI4B000
64 Mb page mode NOR flash
I/O
Interface
and
Bank
Control
Bank 0
Cell Array
Bank 0
Address
Bank 3
Address
Bank 1
Address
Y Dec
Latch and
Control
X
Dec
Vcc
Vss
CE
OE
WE
RESET
RY/BY
WP/ACC
A0-A21
DQ0-DQ15
1 A15
A14
A13
A12
A11
A10
A9
A8
A19
A20
A18
A17
A7
A6
A5
A4
A3
A2
A1
A21
WE
RESET
WP/ACC
RY/BY
A0
CE
OE
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
Vcc
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15
Vss
N.C
A16
Vss
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
28
29
30
25
26
27
31
32
33
34
35
36
37
38
39
40
41
42
43
48
47
46
45
44
Bank 3
Cell Array
Bank 1
Cell Array
Y Dec
Y Dec
X
Dec
Block
Inform
Erase
Control
X
Dec
Latch and
Control
Latch and
Control
High
Voltage
Gen.
Program
Control
IC507, 514 : K4S560832J-UC75000
256 M synchronous DRAM
Bank Select
CLK
Row Decoder
I/O Control
Output Buffer
Sense AMP
Address Register
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register
16M x 4 / 8M x 8 / 4M x 16
16M x 4 / 8M x 8 / 4M x 16
16M x 4 / 8M x 8 / 4M x 16
16M x 4 / 8M x 8 / 4M x 16
Col. Buffer
Row Buffer
Refresh Counter
ADD
LCKE
LRAS
CLK
LRAS LCAS
Timing Register
LCBR LWE LDQM
DQi
LDQM
LWE
LWCBR
CKE CS
LCBR
WE L(U)DQM RAS CAS
1 VDD VSS
VSS
VSS
N.C/RFU
UDQM
CLK
CKE
A12
A11
A9
A8
A7
A6
A5
A4
VSSQ
VSSQ
VDDQ
VDDQ
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
VDD
VDDQ
VDD
VDDQ
VSSQ
VSSQ
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
LDQM
WE
CAS
RAS
CS
BA0
A0
A1
A2
A3
BA1
A10/AP
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
54
53
52
51
50
49
48
47
46
45
44
SUB-MICROPROCESSOR
DAC
BF
No replacement part available.
To GUI 2/2
to DIGITAL (1)_CB64
Page 126 G2
to DIGITAL (1)_CB45
Page 125 F1
to DIGITAL (1)_CB28
Page 124 L4