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Universal Keying Adapter 3 

05/05/2013 

Page 6 of 10 

The cabinet end panels are installed using two flat head screws on each end.  If you find 
that the connectors don’t line up with the holes, you may have the board in the wrong slot 
OR you may have the end panels upside down. 
 
Carefully peel the backing from the supplied label.  Carefully line it up with the 
connectors, and align it with the lower edge parallel to the edge of the cabinet end cap.  
Attach the label to the cabinet, wrapping the ends around the sides of the cabinet.  You 
can use a sharp blade such as a razor or an X-Acto knife to trim the ends of the label even 
with the top groove on the side of the cabinet for the best appearance. 

 

 

Summary of Contents for Universal Keying Adapter 3+

Page 1: ...control by either serial or parallel port Features of the UKA 3 Kit Keys solid state grid block or cathode keyed transmitters or transceivers up to 400 V DC Current capacity of 240 mA AC or DC Option...

Page 2: ...Use pliers clamps or alligator clips as heat sinks to prevent heat damage to parts while soldering If you are not fairly experienced with soldering small parts you may want to practice on some scrap...

Page 3: ...five 1N4148 diodes in locations D2 D3 D4 D5 and D6 Again make sure the band on one end of each diode is oriented as shown by the stripe in the part outline on the circuit board Install the 470 Ohm re...

Page 4: ...straight both horizontally and vertically If you are installing the kit in a cabinet you may want to slide it into the cabinet to check the fit and make sure the connectors are properly installed see...

Page 5: ...ions with the larger 4 pin K1 relay bend the pins 90 degrees to allow the relay to mount horizontally The pins or metallic area of the relay should not be touching any other components although the ep...

Page 6: ...the end panels upside down Carefully peel the backing from the supplied label Carefully line it up with the connectors and align it with the lower edge parallel to the edge of the cabinet end cap Atta...

Page 7: ...3V or higher to the IN HI input turns on Q1 which turns on K1 s output and keys the rig The MOSFET gate source voltage is rated for plus or minus 20 Volts maximum meaning it will easily tolerate comp...

Page 8: ...the tip of the stereo connector Ground to transmit IN HI GND High keying input same as the ring of the stereo connector A positive voltage of 3V or more will transmit P LED GND Power LED indicator out...

Page 9: ...anic just contact me replacements are not expensive Web http www HamGadgets com Email support hamgadgets com Phone 1 402 527 1000 Specifications Input power 12 to 13 8 V nominal DC or AC Input current...

Page 10: ...Universal Keying Adapter 3 05 05 2013 Page 10 of 10 PCB Layout Diagram Schematic Diagram...

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