Sony SLV-ED8ME - System Control-System Control Peripheral Circuit Interface (MA-325 Board IC161); System Control-Hi-Fi Audio Block Interface (MA-325 Board IC161)

5-3
Signal Pin No. I/O I/O Level
ASURA RESET
MA-325
I Normally “H”, “L” when service interruption is detected or restored
IC161$º
ASURA CS
MA-325
I Chip select signal from timer microprocessor. V period “L” pulse
IC161$¢
S IN
MA-325
I Serial communication data from timer microprocessor. V period “L” pulse
IC161$∞
S OUT
MA-325
O Serial communication data to timer microprocessor. V period “L” pulse
IC161$§
S CLK
MA-325
I Serial communication clock from timer microprocessor. V period “L” pulse
IC161$¶
5-4. SYSTEM CONTROL – SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-325 BOARD IC161)
5-5. SYSTEM CONTROL – Hi-Fi AUDIO BLOCK INTERFACE (MA-325 BOARD IC161)
STOP/
TAPE TAPE PB • PB •
Signal Pin No. I/O FF/
LOADING UNLOADING
PB
PAUSE
SLOW × 2 CUE REVIEW REC
PAUSE
REW
AU ENV
MA-325
I AF RF envelope signal input terminal for automatic tracking.
IC161%ª
A MUTE
MA-325 O
L L L LHHHHHLL
IC161#¡ (O.D)
AF REC P
MA-325
OL L L LLLLLLHL
IC1612
AF SWP
MA-325
O *1 *1 *1 *1 *1 *1 *1 *1 *1 *1 *1
IC161
FULL ERS
MA-325 O
H H H HHHHHHLH
IC161#§ (O.D)
∗1. 25 Hz (PAL), 30 Hz (NTSC) 50% duty pulse approx. 5 msec delayed from RF SW P.
100