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Need Help with 49-405 Electronics
#13

Steve:  That’s exactly what I was asking.  It’s not likely a typo.  Possibly there’s some instruction missing or I’m failing to do something that they assume I know to do.


[Image: https://lh3.googleusercontent.com/-fqPSa...0Instr.jpg]

As far as wiring changes, they’re shown in red on the Rider schematic at this link:

https://goo.gl/photos/z4KG89Ze1LSp6PaY9

And in blue on the Sams schematic:

https://goo.gl/photos/xesfhPaBPayFQWfB8

The only other change was that the 7A8 cathode pin had no B- connection, so I connected it to the 14A7 cathode pin (the nearest B-).

Hum:  Is the 40uF rating for the first cap only or for each cap?

Terry:  Before I play with the capacitors, I’ll look through my junk for an appropriate choke.  I haven’t been saving stuff for very long, but I never throw away anything.

My brother does contests a lot, and he always mentions any contact with hams in my area.  You’re the first actual connection between us.  Can you tell me this:  Some years ago, when he assumed the K3KU identity (formerly K3OAE) I asked him why she chose that call sign.  He said to look at the code.  I did, but I couldn’t see any pattern in it.  Can you tell me what’s unique about K3KU?


Messages In This Thread
Need Help with 49-405 Electronics - by Winky Dink - 11-08-2015, 03:03 PM
RE: Need Help with 49-405 Electronics - by Winky Dink - 11-14-2015, 11:39 AM
RE: 49-504 Trimmer Trouble - by Winky Dink - 11-19-2015, 03:18 AM



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