Sony RMT-V259 - SECTION 5 INTERFACE, IC PIN FUNCTION DESCRIPTION; 5-4. SYSTEM CONTROL - SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-373 BOARD IC162); 5-5. SYSTEM CONTROL - AUDIO BLOCK INTERFACE (MA-373 BOARD IC162)

5-3
Signal Pin No. I/O I/O Level
RESET
MA-373
I Normally “H”, “L” when service interruption is detected or restored.
IC162ef
NICAM DATA
MA-373
O Serial communication data to Tuner.
IC162rs
NICAM CLK
MA-373
O Serial communication clock to with Tuner.
IC162ra
5-4. SYSTEM CONTROL – SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-373 BOARD IC162)
5-5. SYSTEM CONTROL – AUDIO BLOCK INTERFACE (MA-373 BOARD IC162)
STOP/
TAPE TAPE PB •
Signal Pin No. I/O FF/
LOADING UNLOADING
PB REC
PAUSE
REW
A MUTE
MA-373
OL L L LLH
IC162id