Yamaha DSP-AX763, Service Manual

Page: 105 / 155

CB10 CB12 CB13
IC10
IC17
IC16
IC24
IC11
IC12
IC13
IC19
IC20
IC21
CB14
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V663/HTR-6160/DSP-AX763
105
★ 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.
DIGITAL 1/5
SCHEMATIC DIAGRAMS
A-1
A-2
0.3 3.2 3.3 4.9 4.9 3.4
4.9
0 1.8 0 0.3 0.3 0.3 0.3 0 0.3 0.3 0 0 0 1.8
0
4.9
3.3
0
0
0
0
0
0
0
0
0
0
1.8
0
0
0
0
0
0
2.6
0
0
3.3
3.1
3.3
1.8
1.8 1.8
0
0
3.4
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
3.3
3.3
3.3
1.8
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
0
1.7
3.4
3.3 1.4 1.3 1.4 1.3 1.3 1.3 1.2 1.3
1.8
0
5.0
0
3.3
0 0 0 0 0 0
0 0 0 0 0 0 0
0
0
0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
3.3
3.3
1.8
3.4
0
1.8
0.4 0.4 0.4 0.4 0.4
0 0
0
4.9
0
4.9
0
0 0
0 0
0
0
0.2
0 0.2
0 0.2
0
0
0
0
0 0.2
0.2
0.2
0.2
0.2
0
0 0
0 0
0
0
3.4
0
3.4
0 3.4
0
0
0
0
0 3.4
3.4
3.4
3.4
3.4
0 0
0
0 0
0
0 0
0
0 0
0
4.9
8.7
0
5.0
5.0
9.0
5.0
3.4
0
0
0
1.8
0
0
0
0
0
0
0
0
0
0
3.4
1.8
0
1.8
3.0
3.3
3.3
4.9
0
3.3
3.3
3.3
0
0
1.8
0
3.3
3.4 3.4 3.4 0 3.4 3.4 3.4 0 3.4 3.3 3.3 0 3.4 3.3 3.3 0 0 3.4 0 3.4 1.8 3.4 0 3.4 0 1.8
1.8
0
3.4
3.4
0
3.3
3.3
3.3
3.2
0
3.3
3.1
2.6
1.3
1.2
1.3
1.3
0
0
1.8
1.8
0
3.3
1.8
1.3
1.4
1.3
1.4
1.7
0
3.3
3.3
3.3
3.4
0
0
3.4
0
3.3
3.2 3.2 3.3 3.3 3.3 3.3 3.3 3.3 3.3 1.8
0
3.3
0
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 1.8
0
3.3
1.8
0
3.3 3.3 3.3
0 3.3
3.3 3.3 3.3
3.4
0.4
0.4
0
0.4
0.4
1.9
0.4
0.4
0.4
1.9
1.9
0
0
1.9
3.3
0
1.9 3.4 3.4
0
3.4 3.4
1.9 4.9
3.3 3.3
3.3 3.3
0
3.3 3.3
0
3.4 3.4 1.9
0
0
3.3
0
0
0 0.2 0.2 1.9 0 3.4 3.3 4.2 0 0 0 1.9 0.2 0.2 0 0.2 0.2 3.4 0.2 0.2
0.2
0.2
1.9
0
3.3
0
1.9
0
0
0
1.9
3.4
3.4
0
3.4
3.4
3.4
3.4
3.4
3.3
3.3
1.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
3.3
1.8
0
3.3
0
1.7
1.6
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 0 0 0 0 0
0 0 0 3.3 0 0 0 0 0 0 0 0 0 0
3.3 3.3
0 0
3.3
0 0 0 0
3.3
1.8
3.3 3.3
0
0 0
3.3
3.3 3.3 3.3 3.3 3.3 3.3 0
3.3
0
0 0 3.3
3.3 3.3 3.3 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
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
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.5
3.3
3.3
4.4 3.3
3.3
4.4
4.9
4.8
0
0
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
4.2
4.2
1.9
4.9
1.8 4.9
4.9
4.9
0
0
0
1.8
1.8
1.8
0
3.3
0
4.2
0
1.9 3.3
3.3
3.3 3.4
4.2 4.9
1.9 3.3
3.3 4.2
Bus
Controller
Serial
I/F
I/O
port DMA
Controller
Interrupt
control
System control
Clock
&
WDT
Timer
32 bit
Microprocessor
IC24 : MN103SFD7G
Microprocessor
Built-in ROM
Built-in RAM
Extended
computing
element
Other
peripheral
equipment
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
V
DD
V
OUT
Description
Chip Enable Pin
Ground Pin
No Connection
Input Pin
Output Pin of Voltage Regulator
Vref
4 5
1 2
Current Limit
V
OUT
GND
IC21 : R1172H331D-T1-F
Voltage regulator
V DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
V DD
V OUT
Description
Chip Enable Pin
Ground Pin
No Connection
Input Pin
Output Pin of Voltage Regulator
Vref
4 5
1 2
Current Limit
V OUT
GND
IC19 : R1172H181B-T1-F
Voltage regulator
VOUT VIN
Control
GND
1
4 5
2
IC11 : NJM2867F3-05
Low dropout voltage regulator
Bandgap
Reference
Thermal
Protection
IC16 : SiI9185ACTU
HDMI switch
TX0+/-
TX1+/-
TX2+/- R1X2+/-
R1X1+/-
R1X0+/-
R1XC+/-
R0X2+/-
R0X1+/-
R0X0+/-
R0XC+/-
R2X2+/-
R2X1+/-
R2X0+/-
R2XC+/-
TXC+/-
CEC_D CEC_A HPDIN
HPD2 HPD1 HPD0 TPWR
RPWR2 RPWR1 RPWR0
EPSEL1/ EPSEL0/ LSCL LSDA TX_DDC Port2_DDC Port1_DDC Port0_DDC
I2CADDR/
Config.
Logic
PLL
I2C Switch
DPLL
CEC
Oversample
Termination/
Equalizer
Termination/
Equalizer
Termination/
Equalizer
EDID
RAM
EDID Block
Transmitter
Block
Transmit
Drivers
CEC I/F
HPD
Switch
5V Switch
Configuration Block
Receiver Block
IC17 : SiI9135CTU
HDMI receiver
DSCL0
DSCL1
I2C
I2C
XOR
Mask
I2C
DSDA0
DSDA1
CSDA
RESET#
MCLKOUT
SPDIF
DSD
WS
SCK
MUTE OUT
EVNODD
SCDT
DE
ODCK
VSYNC
HSYNC
SD[3-0]
Q[36:0]
INT XTAL
CSCL
Rx0 ±
Rx0 ±
Rx1
±
Rx1 ±
Rx2
±
Rx2 ±
RxC
±
HDMI1.3
TMDS
Core 0
Registers &
Configuration
Logic
HDCP
Keys
ROM
HDCP
Decryption
Engine
Audio
Decode
Logic
RGB to YCbCr
Color Space
Converter/
4:2:2 to 4:4:4
Converter
(12-bit Accurate)
MCLK
Gen
Digital
MUX
HDMI1.3
TMDS
Core 1
RxC
±
IC10 : SiI9134CTU
HDMI transmitter
XOR
Mask
DSCL
DSDA
EXT_SWING
Tx0
Tx1
Tx2
TxC
CSDA
RESET#
MCLK
S/PDIF
SCK
WS
DE
IDCK
VSYNC
HSYNC
SD[3:0]
DL[3:0]
DR[3:0]
D[35:0]
INT HPD
CSCL
Registers
and
Configuration
Logic
HDCP Keys
EEPROM
E-DDC
Master
CI2CA
Slave
Video
Data
Capture
Logic/DE
Generator
HDCP
Encryption
Engine
HDMI 1.3
TMDS
Core
Audio
Capture
Logic
YCbCr to RGB
Color Space
Converter/
4:2:2 to 4:4:4
Converter
IC20 : R1232D181A-TR-F
DC-DC converter
Oscillator
Slope Compensation
Phase Compensation
Vref
UVLO
Soft Start
Chip Enable
"L" Fixed
"H" Active
PWM Comparator
Error Amplifier
TEST CKT
Output Control
V IN
L x
PGND
2
5
8
1
TEST
6
AGND
7
VDD
3
4
V OUT
CE
R Q
S
Current Limit
IC12 : 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
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC13 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
POINT A-1 XL10 (Pin 95 of IC17) POINT A-2 XL12 (Pin 83 of IC24)
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
HDMI DUAL RECEIVER
HDMI
SWITCHER
HDMI
TRANSMITTER
BUFFER
SELECTOR
CEC
MICROPROCESSOR
to DIGITAL 5/5
(J model)
to DIGITAL 5/5
to DIGITAL 5/5
to DIGITAL 2/5
to DIGITAL 3/5
OUT
DTV/CBL (U, C, R, T, K, A, B, G, E, F, L models)
DVR (J model)
DVD
HDMI
DSP-AX763 DSP-AX763 RX-V663 RX-V663/HTR-6160 RX-V663/HTR-6160 RX-V663
(Writing port)