Yamaha DSP-AX1700, Service Manual

Page: 60 / 162

RX-V1700/DSP-AX1700
60
RX-V1700/
DSP-AX1700
No. Port Name
Terminal Name
I/O [OFF] Function
(P.C.B.)
IC148: M30845MW-001-GP (D-VIDEO P.C.B)
Single chip 16/32-bit microprocessor
/IC signal to VDEC/VENC
Data bus
Data bus
Data bus
Data bus
Video passage to HDMI (scaler output) ON/OFF
Video passage to HDMI (IP front step or rear step) ON/OFF
Video passage output to HDMI Enable
Chip enable output to OSD (for CUI)
Chip enable output of LC709004A
Also used as Data *OSD (for CUI) to control LC709004A
GND
Also used as Clock *OSD (for CUI) to control LC709004A
5.0V
Mute signal from Video microprocessor to monitor OUT
Mute signal from Video microprocessor to ZONE 2 OUT
S input detect
Boot mode enable
Boot mode select
GND
5.0V
5.0V
Output signal of I2C SCL (for 100kHz device)
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
P110
P03/D3
P02/D2
P01/D1
P00/D0
P157
P156
P155
P154
P153
P152
P151
Vss
P150
Vcc1
P107/AN7
P106/AN6
P105/AN5
P104/AN4
P103/AN3
P102/AN2
P101/AN1
Avss
P100/AN0
Vref
Avcc
P97/SCL4
/ICV
D3
D2
D1
D0
/AUPS
/AUPP
/AUPEN
/OSDCEV
NC
CSS
SDTV
GND
SCKV
5.0V
/MTMON
/MTZ2
Reserve
SVDET
VBOOT
BTSEL
Reserve
GND
NC
5.0V
5.0V
SCLL
O
BUS
BUS
BUS
BUS
O
O
O
O
O
O
O
MCU
O
MCU
O
O
O
I
I
I
O
MCU
O
MCU
MCU
SO