Re: IRLP COS is not operating

bruce clements
 

Looks like hardware. Like Dave said it's just a logic circuit.

There is a drawing on line of a home brewed version 2 board, BUT it will only give you an idea of the operation.. since version 3 uses SMT construction it might be better to buy a new one.

Bruce Ve3bv 



Sent from my Galaxy Tab® E

-------- Original message --------
From: Rtech.ralph@...
Date: 2019-12-02 4:19 AM (GMT-05:00)
To: IRLP@irlp.groups.io
Subject: Re: [IRLP] IRLP COS is not operating

Version 3. Purchased 2016. & I have tried running a jumper to ground from the COS pin with the jumper in the low position. No change. Can not light the COS light

Join IRLP@irlp.groups.io to automatically receive all group messages.