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OPC-1939 connector (PCB side)
- Thread starter KD2DES
- Start date
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- Tags
- cable connectors icom opc-1939
Man, what a coincidence... I got TODAY a connector from DigiKey, it was back-ordered. The ones I had gotten before all were too thin, but this one that arrived today is the one. It's JST's 13ZR-8M-P. see attached pictures. I got a jumper model, because I could not find a pigtail (tell me if you do). The silly part of all this is that the wires are very thin and I don't know how am I going to solder them on a connector. They are also all the same color!
The attached doc has the pinout for that JST connector so the wire color won't matter, just count the pins carefully. I would cut the jumper cable roughly in half, strip the ends of only the wires you need: Audio out , Ground , Audio In , PTT
I would first solder those four to a small PCB such as the ones in this Elegoo kit on Amazon
Then you can run out the heavier external wires to whatever connector you will plug into your radio. Be sure to have some sort of strain relief so that the external wires can't be tugged at. If you can't find a way to fasten down the little PCB board somewhere inside the radio, wrap it in electrical tape after you finish testing.
On the heavier wires you should add some Ferrite beads to choke off any RF that might get coupled in.
I would first solder those four to a small PCB such as the ones in this Elegoo kit on Amazon
ELEGOO 32 Pcs Double Sided PCB Board Prototype Kit for DIY Soldering with 5 Sizes Compatible with Arduino Kits
https://m.media-amazon.com/images/I/91MBDISdwhL._SL1500_.jpgThen you can run out the heavier external wires to whatever connector you will plug into your radio. Be sure to have some sort of strain relief so that the external wires can't be tugged at. If you can't find a way to fasten down the little PCB board somewhere inside the radio, wrap it in electrical tape after you finish testing.
On the heavier wires you should add some Ferrite beads to choke off any RF that might get coupled in.
KD2DES -
Thanks again for the pointer on the connector for J6! I have received mine and wanted to share how I will interface it to the outside world. I made up a little board to tie down the wires from the connector and then terminate a CAT5 cable to RJ45 connector. The RJ45 will plug into a Signalink USB box.
Next I'll be cutting the gray wires and soldering them to the board in numeric order. The CAT5 cable will be routed thru the rubber block holding the power leads and I'll place ty-wraps on either side to anchor the cable.
Note on Page 1 in the data sheet for the OPC -1939 accessory they mention that certain solder pads can be used to affect audio paths, audio levels and also the sense of the PTT line.
Thanks again for the pointer on the connector for J6! I have received mine and wanted to share how I will interface it to the outside world. I made up a little board to tie down the wires from the connector and then terminate a CAT5 cable to RJ45 connector. The RJ45 will plug into a Signalink USB box.
Next I'll be cutting the gray wires and soldering them to the board in numeric order. The CAT5 cable will be routed thru the rubber block holding the power leads and I'll place ty-wraps on either side to anchor the cable.
Note on Page 1 in the data sheet for the OPC -1939 accessory they mention that certain solder pads can be used to affect audio paths, audio levels and also the sense of the PTT line.
