Yamaha DSP-AX763, Руководство по обслуживанию

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76
RX-V663/HTR-6160/DSP-AX763
RX-V663/HTR-6160/
DSP-AX763
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
SCL2
SDA2
TxD1
Vcc1
RxD1
Vss
P65
CLK1
CTS1
RTS1
SDA0
SCL0
P61
P60
P137
ISCLK2
P135
ISTXD2
P57
P56
P55
P54
P133
Vss
SCLL
SDAL
TXDR
TXDF
Vcc
RXDR
RXDF
Vss
RTS
CLKF
CTS
BUSY
SDAH
SCLH
/232SD
/AUP_MT
/HSW_RST
RMSCNCK
PSENB
RMSCN
/RES_RX
/RES_TX
/INT_RT
/EPM
/AUPH_A
/AUPH
Vss
SIO
SIO
MCU
SI
MCU
SI
SO
SIO
SIO
O
O
SO
O
SO
O
O
I
I
O
O
MCU
O
O
O
SIO
SIO
MCU
MCU
SIO
SIO
O
O
O
O
O
O
O
I
O
O
MCU
I2C clock input/output for HDMI switcher & video switch
(100kHz device)
Pull up at HDMI block
I2C clock input/output for HDMI switcher & video switch
(100kHz device)
Pull up at HDMI block
RS-232C asynchronous communication data output
Data output for AF220
Power source of micropro5BU
RS-232C asynchronous communication data input
Pull Down by 100k-ohms
Data input for AF220
Ground of microprocessor
RS-232C asynchronous communication RTS output
Clock input for AF220
RS-232C asynchronous communication CTS input
Pull Down by 100k-ohms
BUSY output for AF220
HDMI-RX/TX, VIDEO-DEC/ENC I2C clock input/output
(400kHz device)
Pull up at HDMI block / HDMI Rx,Tx: 5V tolerant
HDMI-RX/TX, VIDEO-DEC/ENC I2C data input/output
(400kHz device)
Pull up at HDMI block / HDMI Rx,Tx: 5V tolerant
232C driver shut-down control
L: Shut down
Default High (232C ON) for U, C model
Default Low for other than U, C model
Audio Up conversion Mute output
L: Mute
Muted even when audio up conversion is not executed
Reset output for HDMI switcher IC
L: Reset
Clock output for scene select DVD control remote control code generation
Unused externally
MATSUSHITA CEC microprocessor reset
Scene select DVD control remote control code output
Reset output for HDMI Rx IC
L: Reset
Pull down at HDMI P.C.B.
Reset output for HDMI Rx IC
L: Reset
Pull down at HDMI P.C.B.
HDMI interrupt (Polarity inversion enabled by HDMI Rx,Tx resistor)
Connect Rx only
Pull up at HDMI P.C.B.
47k-ohms pull down for flash write mode
ADC output / Rx output for selection of audio path to HDMI
L: ADC output, H: Rx output
High Fix when VPWR OFF
Video path (Decoder output) to HDMI ON/OFF
L: ON, H: HiZ
High Fix when VPWR OFF
Function Name
(P.C.B.)
I/O
Detail of Function
Pin
No.
Port Name
SIO
SIO
O
O
SO[O]
SI [O]
O [O]
SI [O]
O [O]
O
O
MCU
MCU
O
O
O
O
O
O
O
O
O
O
O
O
MCU
Power ON VPWR OFF STBY Thrh 232C ON [232C OFF] STANDBY [STBY Sleep] STBY CEC MCU Sleep [Sleep]
O
O
O
MCU
O
MCU
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
MCU