MW0GKX.co.uk Radio Programming
Make a VPL-1 Programming cable (or CT-29?). By An Anonymou Con!ribu!er e"i!e" by Brian# M$%&'.
I'm informed that the original VPL- !a" a # $art lead !ith the % $in connector and electric" terminating at a &I "ocket and ( "hort lead" !ith a corre"$onding &I $lug and the )end) for the radio *( different+. I ,eliee that the $art !ith the electronic" !a" al"o kno!n a" the original /-(% /-(% *not to ,e confu"ed !ith the /-(%1213 /-(%1213 etc. offered ,4 third $artie"5 the original /-(% /-(% interface !a" terminated !ith a &I $lug and a further f urther lead !a" u"ed for the interface to radio connection+. /he "ender of the information doe" not5 and neither do I5 hae the $in a""ignment" or &I $lug t4$e information a" 4et ,ut if I get the info I !ill u$date thi" $age. 3or the moment !e'll "ho! a 6 $in &I a" the"e are common and 4ou ma4 hae "eeral "$are in 4our )7unk ,o8)5 thu" kee$ing co"t" do!n. lick on the diagram for a larger5 clearer5 com$lete ie!.
Parts List R1 9:;. R1 9:;. R2 #.% R2 #.% k;. C1 00 D2 99> D3 9:## D3 9:## J1 % J1 % $in & "ocket !ith "hroud. J2 6 J2 6 $in &I "ocket. J3 ? J3 ? J4 6 J4 6 $in &I $lug. J5 >P> J5 >P> Modular Plug. J6 (.6mm J6 (.6mm mono @ack Plug. Aome # core ca,le*a,out a meter or "o+.
Making Up 3or the con"truction 4ou can u"e "tri$ ,oard5 dead ,ug method or een $roduce 4our o!n P2 if 4ou like. @u"t follo! the "chematic. om$onent la4out i" not reall4 critical for thi" circuit5 although ,eginner" *and the more e8$erienced+ ma4 hae to dou,le check $olarit4 1 orientation of
com$onent".
Bnce made u$ check 4our "oldering for ,ridged connection" and !ire" for "tra4 !hi"ker". If 4our con"truction i" "mall enough it ma4 fit in the "hroud of the % $in & "ocket5 if not a "mall ,o8 !ith "hort lead" connecting to the % $in "ocket !ill !ork 7u"t a" !ell. /he &I "ocket *@(+ "hould ,e mounted on a lead that i" not too long *"ignal lo""e"+ ,ut long enough to ,e ea"4 to u"e5 a metre or "o "hould ,e fine5 the other lead" onl4 need to ,e a,out 6cm long &on't forget to "lide the $lug ca"ing" *!here reCuired+ on the ca,le" ,efore "oldering the $lug" on.
Using the VPL-1 with y!r ra"i /o u"e the interface !ith 4our radio 4ou !ill need the "oft!are releant to 4our radio and the correct interface to radio lead. /he "oft!are i" u"uall4 $urcha"ed from the manufacturer ,ut there are "ite" offering do!nload" of ,oth the original and third $artie"5 the choice i" 4our". 3ollo! the in"truction" in 4our manual 1 "oft!are in"truction" or hel$ file for connecting and data tran"fer.
Cnne#ting t a PC with!t a seria$ prt I !a" al"o a"ked to modif4 thi" circuit to u"e it on a P !ith a DA2 $ort and no "erial $ort. Ahort of $urcha"ing or ,uilding a DA2 to Aerial ada$tor or $urcha"ing the 3I3-0 DA2 Interface and the releant radio connection ca,le *"ho!n a" the DA2 o$tion for "ome of the radio" that u"e the VPL+ from Eae"u I hae no other remed4. DA2 to Aerial ada$tor ma4 !ork ,ut a" I do not hae a radio that u"e" the VPL- I cannot tr4 it. Radio Programming Inde8 *Eae"u+
