Studer D424, Operating And Service Instructions

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D424 MO Recorder
E6/6 D424 - Circuits
SW V 1.6 Date printed: 06.03.02
6.6 Connector Pin Assignments
Sony 9-pin (D-type, female):
1 CHASSIS
6 TCOMMON GND
2 IRS422T TX–
7 RS422T TX+
3 RS422R RX+
8 IRS422R RX–
4 RCOMMON GND
9 CHASSIS
5 +24 V Supply (only if JP4 and JP5 connected on mother board)
Parallel Remote (D-type, 15-pin, female):
1 PHR– Phones right –
9 PHR+ Phones right +
2 PHL– Phones left –
10 PHL+ Phones left +
3 AGND Analog GND
11 +24 V Supply Desktop Controller
4 REMT Rem bus TX +
12 IREMT Rem bus TX –
5 REMR Rem bus RX +
13 IREMR Rem bus RX –
6 STSTR Start
14 ISTSTR Start signal –
7 SYNCBUS Sync bus +
15 ISYNCBUS Sync bus –
8 DGND Digital GND
General Purpose Parallel Interface (D-type, 15-pin, female):
1 B_TAKE Pulse indicates take marker
9 B_STOP Stop acknowledgement
2 B_INDEX Pulse indicates index marker
10 B_READY D424 ready acknowledgement
3 B_PLAY Play acknowledgement
11 VCC
Supply (24 V if JP1 and JP2 connected; 5 V if JP2 and
JP3 connected)
4 S_STOP Stop command
12 S_PREV Previous command
5 S_PLAY Play command
13 S_NEXT Next command
6 S_PLOC Locate command (to last play start position)
14 FADER2 Fader start input
7 FADER1 Fader start input
15 KEY Key
8 GND 0 V