Yamaha RX-V2065 Service Manual page 137

A B C
GUI 1/2
1
CB500
5.0
5.0
Page 125 F1 3.3
3.3
to DIGITAL (1)_CB45
1.3
H
0
0
1.6 1.6
1.6
2
IC521
3.3
CB501
3.3
3.3
IC521 1.6
3.3
3.3
0
3.3
Page 124 L4
0.2
to DIGITAL (1)_CB28 3.3
3.3
3.3 I
3.3
3.3
1.6 1.7
3.3
1.7
0 3.3 IC522
0.3
0 IC522 1.7
0.7
0
3
4
POINT G XL502 (Pin 10 of IC505)
5
POINT H XL500 (Pin 8 of IC521)
6
POINT I XL501 (Pin 8 of IC522)
7
CB502
8
0
0
3.3
IC523
IC521-522: TC7WHU04FU
Triple inverter
9
V 1Y 3A 2Y
CC
8 7 6 5
1 2 3 4
1A 3Y 2A GND
IC523: 74LVC08APW
Quad 2 input AND gate
10
1A 1 14 Vcc
1B 2 13 4B
1Y 3 12 4A
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A
GND 7 8 3Y
D E F
Page 126
to DIGITAL (1)_CB64
3.3 3.3 3.3 3.3
IC521 1.7
1.7
1.7 3.3
0 1.7
1.7 0 3.3
IC521
0
1.7 3.3
0 1.7 1.7
0.3 0
0
DAC
0
3.3 0 2.5
IC522 1.7 1.7 0.3 0 2.5
2.6
0 0
0 1.7 0
IC522 1.7 0
1.7 0 5.1
0 1.7
3.3 1.7
3.3
3.3
0
1.7
G
0
3.3
3.3
3.3
1.3 BF
3.3
3.3
SUB-MICROPROCESSOR
3.3
0
3.3
0
0
0
0
1.3
IC505
0
1.7
0
3.3
1.7
0
0
0
0
3.2 No replacement part available.
3.1
0
1.3
3.3
0.2
0.2
0
0
0
0
0
IC524: TC7WH14FK IC513: K8P6415UQB-PI4B000
Triple schmitt inverter
64 Mb page mode NOR flash
1A 1 8 V CC
Bank 0 X Bank 0
3Y 2 7 1Y
Address Dec Cell Array
Latch and
Y Dec
2A 3 6 3A Vcc Control
Vss
GND 4 5 2Y A15
A14
Latch and
CE A13
Y Dec Control
A12
A11
OE Bank 1 X Bank 1
I/O
Dec A10
Interface Address Cell Array
A9
WE
and A8
A19
Bank
RESET
Control A20
WE
RY/BY Bank 3 X Bank 3 RESET
Dec Cell Array A21
Address
WP/ACC WP/ACC
IC525, 526: 74LVC32APW Latch and
Y Dec RY/BY
Control
A18
Quad 2 input OR gate
A0-A21
A17
Erase A7
DQ0-DQ15 A6
Control
High A5
Block
Voltage
A4
Inform Gen.
1A 1 14 Vcc Program A3
A2
Control
1B 2 13 4B A1
1Y 3 12 4A
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A
GND 7 8 3Y
G H
G2
3.3
0
0.7
0 3.3
0.3
1.7 IC506
3.3 0
3.3
0
3.3
3.3
3.2
3.1 3.3
0 0
0 0
IC524 IC524
3.3
0 0 3.3
0
0
0 IC525
3.3 3.3 3.3
3.3
3.3
0 0
0
1.7 IC523
1.3 3.3
3.3
IC523
0
3.3 0 IC525
0 2.8
3.3 0 3.3
3.3
2.6
3.3
IC524
IC523
3.3 3.3 0.6
2.8
3.3
3.3 3.3
3.3
3.3
3.3
3.3 3.3
1.3
3.3
0
IC525
3.3 3.3
3.3 IC525
3.3 3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
0
0.7
3.0
3.0
3.0
3.3
0
3.3 0
1.3 0
0
3.3 0
1.6
1.5
1.8
0
0
1.7
3.3
0
2.8
1.6
0
0.2
1.6
3.3 0
1.5
3.3
0 3.0
0
0 3.3
3.3
0
3.3 0
3.3 1.7
3.3 3.3
1.5
3.3
2.8 1.5
0 1.6
2.8
2.6
0.7 1.7
3.0 1.8
1.5
3.0
3.0 1.6
0
3.3
IC509-512: 74LVC245APW,118
IC508: 74LVC1G08GW
1 48
A16 Octal bus transceiver with direction pin
2 Single 2 input AND gate
47 N.C
3 46 Vss with 5 V tolerant input/outputs (3-state)
4 45 DQ15
5 44
DQ7
6 43 DQ14
7 42 DQ6 B 1
8 41 DQ13 DIR 1 20 Vcc
9 40
DQ5
A0 2 19 OE A 2
10 39 DQ12
11 38 DQ4
A1 3 18 B0
12 37 Vcc
13 36 GND 3
DQ11 A2 4 17 B1
14 35 DQ3
15 34 DQ10 A3 5 16 B2
16 33 DQ2
A4 6 15 B3
17 32 DQ9
18 31 DQ1
A5 7 14 B4
19 30 DQ8
20 29 DQ0 B5
A6 8 13
21 28 OE
22 27 Vss A7 9 12 B6
23 26 CE
GND 10 11 B7
24 25 A0
I J K
3.3 IC509
3.3
0.7 3.3
3.0 0
3.0 0
3.3
3.0 0
3.3
1.6 0
1.5 0
1.8 0
1.7 0
0 0
3.3
3.3
3.3
3.3
IC510
3.3
1.7 3.3
1.6 0
1.6 0
1.5 0
1.5 0
0 0
0 0
0 0
0 0
3.3
IC508
0 0
IC524 0
3.3
0
IC511
3.3 3.3
0
0 3.3
0 0
0 0
0
0.3
0 0
0 0
0
0
1.2 0
0 0
IC526
IC526 0
0
0
IC526
0 0
0
IC512
3.3 3.3
0 3.3
0 0
0 0
0 0
3.0 0
IC526
3.3
0.2
0
0.6
3.3
0 0
0 0
0 0
IC526
3.3
3.3
3.3
3.3 0
0 2.2
3.3
0 0
0 0 3.3
3.3
0 0 0
1.5 0
0 1.5 2.2
3.3 0
1.6 0
1.6 0
0.3 0 1.7 0.2
0 3.3 0
0 3.0
3.3
0 3.3
3.3 3.3
3.3 0 0
0
3.3 1.7 3.3 0.3
3.3 3.3 3.3 0
1.5
3.3 2.8 0
2.8 1.5 0 0
1.6
0 1.7 0
2.6
1.7 1.8 0
0.7 1.7 1.5 0
3.0 1.8 1.6 3.3
1.5
3.0 3.0 0
3.0 1.6 3.0 3.3
0 3.0 0.7
3.3
IC507, 514: K4S560832J-UC75000
256 M synchronous DRAM
LWE
5 Vcc
Data Input Register
LDQM
Bank Select
V DD 1 54 V SS
DQ0 2 DQ15
53
Y 16M x 4 / 8M x 8 / 4M x 16 V 3 52 V
4 DDQ SSQ
DQ1 4 51 DQ14
16M x 4 / 8M x 8 / 4M x 16 DQ2 5 50 DQ13
DQi
V SSQ 6 49 V DDQ
16M x 4 / 8M x 8 / 4M x 16
DQ3 7 48 DQ12
CLK DQ4 8 47 DQ11
16M x 4 / 8M x 8 / 4M x 16
V DDQ 9 46 V SSQ
DQ5 10 45 DQ10
ADD DQ6 11 DQ9
44
V 12 43 V
Column Decoder SSQ DDQ
DQ7 13 42 DQ8
V DD 14 41 V SS
LDQM 15 40 N.C/RFU
Latency & Burst Length
WE 16 39 UDQM
CAS 17 38 CLK
LCKE RAS 18 37 CKE
Programming Register A12
CS 19 36
BA0 20 A11
LRAS LCBR LWE LCAS LWCBR LDQM 35
BA1 21 34 A9
A10/AP 22 33 A8
A0 23 32 A7
Timing Register
A1 24 31 A6
A2 25 30 A5
A3 26 29 A4
CLK CKE CS RAS CAS WE L(U)DQM V DD 27 28 V SS
L M N
RX-V2065/HTR-6295
IC501, 502: SN74LV163APWR
4-bit synchronous binary counters
LOAD 9
ENT 10
15 RCO
LD
ENP 7
CK
CLK 2
CK LD
CLR 1
R
M1
G2
1,2T/1C3
14 QA
G4
A 3 3D
4R
M1
G2
1,2T/1C3
13 QB
G4
B 4 3D
4R
M1
G2
1,2T/1C3
QC
12
G4
C 5 3D
4R
M1
G2
1,2T/1C3
QD
11
G4
D 6 3D
4R
CLR 1 16 VCC
CLK 2 15 ROC
A 3 14 QA
B 4 13 QB
C 5 12 QC
D 6 11 QD
ENP 7 10 ENT
GND 8 9 LOAD
To GUI 2/2
IC503: SN74LV74APWR
Dual positive edge triggered D-type flip flop
1CLR 1 14 Vcc
1D 2 13 2CLR
1CLK 3 12 2D
1PRE 4 11 2CLK
1Q 5 10 2PRE
1Q 6 9 2Q
GND 7 8 2Q
IC504: PCM1781DBQR
Audio digital-to-analog converter
BCK
Audio
LRCK
Serial Output Amp V OUT L
DATA Port DAC and
Low-Pass Filter
4 x 8
Oversampling
Enhanced
Digital
Multilevel
(FMT) Filter V COM
Delta-Sigma
With
Modulator
Function
MS (DEMP0)
Serial Control
Control
MC (DEMP1)
Port Output Amp
DAC and
MD (MUTE)
Low-Pass Filter V R
OUT
(TEST)
System Clock
System
SCK
Clock Zero Detect Power Supply
Manager
FMT 1 16 ZEROA
(1) Open-drain output for the PCM1782
DEMP0 2 15 V L
OUT
NOTE: Signal names in parentheses ( ) are for the PCM1781.
DEMP1 3 14 V OUT R
MUTE 4 13 V
COM
SCK 5 12 AGND
DATA 6 11 V
CC
BCK 7 10 NC
LRCK 8 9 TEST
IC505: AD91089ZSKBC
Microprocessor
JTAG test Event controller/
Watch dock timer
and emulation Core timer
Voltage Real time clock
regulator
UART port IrDA®
Memory
L1 instruction L1 data
memory management memory
unit
Timer0, Timer1, Timer2
Core/System bus interface
PPI/GPIO
DMA controller
Serial port (2)
SPI port
Boot ROM
External port FLASH,
SDRAM control
IC506: AK8814VQ
NTSC/PAL digital video encoder
CLK VSYNC
SELA SCL SDA CLKNV HSYNC /PD /RESET VREFOUT VREFIN
14 15 16 46 45 17 18 27 28
u-P I/F (I 2 C) VREF
Timing Generator 29 IREF
and Macrovision Generator
CGMS-A
Registor
WSS
Sync-Form
Generator
Lurra Filter Y
10-bit
(x2 Interpolator) Delay 20 Y
DAC
10-bit
Data[7:0]
Composite
DAC
Chroma
4:2:2 to 4:4:4 Sub-Carrier LPF Filter C 10-bit
22 C
(x2 Interpolator) Generator DAC
(x2 Interpolator) Delay
6,31,42,44 7,30,40,47 21,26 19,23,25
DVDD DVSS AVDD AVSS
★ 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.
137