Functional Block Diagram - Bnc Type (Channel A) - pro bel VISTEK V1693 User Manual

1.3 Functional Block Diagram – BNC Type (Channel A)
INPUT
A1
INPUT
A2
0V
FRONT PANEL
SW ITCH (SW 1)
LOCAL - 1
LOCAL - 2
JP3
0V FP SW ITCH DISABLE
+12V
ACTIVE
JP1
LO
OPTO-
ISO LATED
CO NTRO L A
CONTROL
INPUT
ACTIVE
JP2
HI
0V
6
VISTEK V1693 dual changeover switch
RELAY 1
RELAY 2
RELAY COIL
OPERATED OK?
REM OTE
DART IF
0V
JP8 JP9
50R 75R
JP5
CON REV
RELAY 3
RELAY 4
OUTPUT
A
JP10 JP11
600R HI Z
POW ER
INPUT 1
INPUT 2
LOCAL
REM OTE
INPUT 2
SELECTED
INPUT 1
SELECTED
COM M ON
JP6
0V
LOCAL
SELECTED
REM OTE
SELECTED
COM M ON
JP7
0V
DART
Issue 1