1. Connect the Master Component to TV, plug in power cord, set the Antenna Switch Box to TV and determine that the set works correctly on broadcast stations.
So, make sure that your switch box is set properly.
+
+
'''UPDATE'''
+
Here is [http://www.kohtz.com/andrew/intv_sm/index.html|a link] to an online service manual that can further help you narrow things down.
Hello, check this from the service manual:
1. Connect the Master Component to TV, plug in power cord, set the Antenna Switch Box to TV and determine that the set works correctly on broadcast stations.
So, make sure that your switch box is set properly.