Yamaha RX-V730 Service Manual page 32

RX-V730/RX-V730RDS/RX-V630/RX-V630RDS
HTR-5560/HTR-5560RDS/DSP-AX630/DSP-AX630SE
IC441: M30624MGA (FUNCTION P.C.B.)
16bit µ-COM (Main CPU)
No. Port No. Function name
44 P52 /ICCS
45 P51 /CSOLD
44
I/O Detail of function
O CS493x RESET
O DIG EXTERNAL CONTROL IC CE
For Flash Writing (HI)
Chip Select for DAC
FL Driver Light Off (Reset)
RDS Enable/RDS Present/Absent
External/Internal Synchronization Output
Microprocessor Power Supply, +5V
Microprocessor Ground
Remote Control Input
Tuner Destination Identify 0
Tuner Destination Identify 1
CE for SANYO IC
Electronic Volume IC Chip Enable
Electronic Volume Reset
For A2 Gain Setting
Model Identification
Key AD Input 2
Key AD Input 1
Key AD Input 0
Temperature Detect
Protection Power Supply Voltage Detect
AD Ground
Protection DC Detect
AD Reference
AD Power Supply