Yamaha DSP-AX1900, Service Manual

Page: 76 / 198

RX-V1900/HTR-6290/DSP-AX1900
76
RX-V1
90
0/HTR-6290/
DSP-AX1
90
0
No. Port Name Function Name I/O Detail of Function
124 P156 VTEST2 O Output of self-check result, for product testing (Video)
125 P155 NC O
126 P154 /OSDCEV O Chip enable output to OSD (for CUI)
127 P153 NC O
128 P152 CSS O Chip enable output of LC709004A
129 P151 SDTV O Also used as Data *OSD (for CUI) to control LC709004A
130 Vss GND MCU GND
131 P150 SCKV O Also used as Clock *OSD (for CUI) to control LC709004A
132 Vcc1 5.0V MCU 5.0V
133 P107/AN7 /MTMON O Mute signal from Video microprocessor to monitor OUT
134 P106/AN6 /MTZ2 O Mute signal from Video microprocessor to ZONE 2 OUT
135 P105/AN5 Reserve O
136 P104/AN4 SVDET I S input detect
137 P103/AN3 VBOOT I Boot mode enable
138 P102/AN2 BTSEL I Boot mode select
139 P101/AN1 Reserve O
140 Avss GND MCU GND
141 P100/AN0 SENS AD Sensor input for Auto Lip Sinc
142 Vref 5.0V MCU 5.0V
143 Avcc 5.0V MCU 5.0V
144 P97/SCL4 SCLL SO Output signal of I2C SCL (for 100kHz device)