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Issue 2, September 2007 Model 46 User Guide
Page 14 Studio Technologies, Inc.
with a 12 volt DC signal using a 560 ohm,
¼-watt resistor in series with the connec-
tion would be appropriate. With a 24 volt
DC control signal a series resistor of 1.8 k
(1800) ohm is recommended. For correct
operation a minimum current of 2 milliam-
peres is recommended.
Access to the remote control inputs
is provided by means of a 10-pin male
“header” connector which is located on
the Model 46’s circuit board. Refer to
Figure 3 for a view of the connector’s
location. The “keyed” and “shrouded”
header follows a common industry-
standard specification: 2 rows of five pins
each with 0.1 inch between rows and pins.
The mating connector is intended to be
an insulation-displacement (IDC) socket
connector such as the AMP 746290-1. The
connector would be “crimp” terminated
onto a piece of 10-conductor flat ribbon
cable. This ribbon cable can safely exit
the Model 46 by laying flat between the
chassis and the cover. The ribbon cable
can then “fan out” to loose wires or, better
yet, be terminated onto another connector
such as a 9-pin D-subminiature type.
There are several ways of preparing to
connect to the remote control inputs. The
easiest means is to purchase an inter-
connecting cable assembly from Studio
Technologies, Inc. The cable assembly
consists of a length of ribbon cable with
a 10-pin socket on one end and a 9-pin
D-sub female on the other. Contact the
factory or check the website for details.
Alternately, a competent technician can
easy fabricate an appropriate remote con-
trol input interconnect wiring assembly. An
example of a partially pre-made assembly
Figure 3. Location of 10-Pin male header connector on the Model 46 printed circuit board