(Topic ID: 326319)

Recommend a connector kit for High Speed C-10877 PCB

By billccm

1 year ago

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Latest reply 1 year ago by billccm
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My High Speed has some issues with the score segments. I removed the Alphanumeric Master Display PCB and the soldering/pins look good. While troubleshooting the issue I found that gently moving the wires of J1 restored and eliminated segments.

Thought I'd ask for advice on what replacement connector kits are recommended. I have built cables for many years for the mining industry and familiar with crimpers and various contact extractors, etc, but wanted to see what the experts here use for replacements.

Have a nice Thanksgiving! Bill

The big connectors are molex 1.56" pitch KK series. For the male circuit board pins the CH3.96-XA series is good replacement. Change the X to the pin count.
https://lcsc.com/product-detail/Wire-To-Board-Wire-To-Wire-Connector_BOOMELE-Boom-Precision-Elec-CH3-96-9A_C10586.html

Or molex makes cut to size version, bit more expensive, but one part number.
https://www.tti.com/content/ttiinc/en/apps/part-detail.html?partsNumber=26-48-1245&mfgShortname=MOL&customerPartNumber=&minQty=3&customerId=

The female side of the big plugs use "trifurcon" 1.56" crimps.
https://www.tti.com/content/ttiinc/en/apps/part-detail.html?partsNumber=08-52-0113&mfgShortname=MOL&customerPartNumber=&minQty=100&customerId=

If the originals are IDC type connectors, get a new housing at the same time. These are fine
https://lcsc.com/product-detail/Rectangular-Connectors-Housings_BOOMELE-Boom-Precision-Elec-CH3-96-9Y_C10581.html

The dual row connectors are standard 0.1" - 2.54mm dual row ribbon cables. You can buy a new ribbon cable set on ebay. If you want to build your own ribbon cables the parts are all available for cheap. I found the crimper and cheap spools of ribbon on Amazon. Get the connector bits from LCSC or ive seen them cheap on aliexpress, example.
https://www.aliexpress.us/item/2251832563531097.html?spm=a2g0o.order_list.0.0.11251802YpcgzX&gatewayAdapt=glo2usa&_randl_shipto=US

The headers comes in strips of 2x40. searching for "2.54MM 2x40p header" will find them on aliexpress or they are cheap on LCSC. I am not sure if there is enough space for "boxed" ribbon headers which stop you from plugging the ribbon in wrong way.

OP
Quoted from billccm:
My High Speed has some issues with the score segments. I removed the Alphanumeric Master Display PCB and the soldering/pins look good. While troubleshooting the issue I found that gently moving the wires of J1 restored and eliminated segments.
Thought I'd ask for advice on what replacement connector kits are recommended. I have built cables for many years for the mining industry and familiar with crimpers and various contact extractors, etc, but wanted to see what the experts here use for replacements.
Have a nice Thanksgiving! Bill

I can put together a kit for you if you need. Feel free to check out the site, and drop me a note if you have questions. I can set up a custom order for you, or you can order whatever you need a la carte. Cheers! - John @ Wire-bot

https://wirebot.xyz/collections/connectors-crimps

WOW thank you both for the replies. I have ordered from TTI in the past and familiar with their offerings. Appreciate the detailed list!
John I will take you up on the offer to put together a kit. I'll be in touch! Take care, Bill

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