Sony DVX-11B Service Manual page 28

DVX-11B
Pin No. Pin Name
67 EJECT OK
OPEN
68
REQUEST
69 EJECT
70 AU_ATT
71 VF_ATT
72 VR_ATT
73 NC
74 RAM RESET
75 RESET
76 NC
77 X1A
78 X0A
79 VSS
80 X0
81 X1
82 VCC
83 to 93 NC
94 TEST
95 REM_SEL
96 PAL_NTSC
97 PARKING
98 FLASH_W
99, 100 NC
28
I/O
O Not used
Eject request signal input terminal
I
When disc loading/ejecting and eject request, "L" is input
O Eject control signal output terminal
O Audio muting on/off control signal output terminal
O Front video muting on/off control signal output terminal
O Rear video muting on/off control signal output terminal
O Not used
Internal RAM reset detection signal input from the reset signal generator
I Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Not used
O System clock output terminal Not used
I System clock input terminal Not used
— Ground terminal
I System clock input terminal (18.43 MHz)
O System clock output terminal (18.43 MHz)
— Power supply terminal (+3.3V)
O Not used
I/O Test mode setting terminal Not used
I SIRCS frequency select switch input terminal "L": 38 kHz, "H": 40 kHz Not used
I PAL/NTSC select switch input terminal "L": PAL, "H": NTSC
I Parking brake detection signal input terminal "L": parking
Internal flash memory data write mode detection signal input/output terminal
I/O
"L": data write mode
O Not used
Description