Sony DSBK-150 - Functions of Record Proof Hole and Record Proof Plug of Cassette

2-14
DSR-70/70P
4
32
1
Record proof
hole
Record proof plug
Reel rotation stopper
Cassette cover release claw
Record proof
hole
4
32
1
Record proof plug
Cassette cover release claw
Reel rotation stopper
Record enable Record protect
REC
SAVE
REC
SAVE
. This plug controls the record proof
switch according to open or close
position.
2-5. FUNCTIONS OF RECORD PROOF HOLE AND RECORD PROOF PLUG OF CASSETTE
Standard cassette
Hole and plug for record proof
Mini cassette
Pin No. Function
Equipped with built-in memory Not equipped with built-in memory
1 +DC Detecting tape thickness
2 DATA Detecting tape type (Example: ME/MP)
3 CLOCK Detecting tape application (Example: consumer/professional)
4 GND _