[50mhz] Lafayette HA460

Sun, 13 Apr 2003 20:50:31 -0400

Well, to start with.. those coupling caps going to the audio tubes ARE
leaky. Change them and give it another test.
...Dave
----- Original Message -----
From: "Chris Boone" <[email protected]>
To: <[email protected]>; <[email protected]>; "VHF Remailer"
<[email protected]>; <[email protected]>
Sent: Sunday, April 13, 2003 8:17 PM
Subject: [50mhz] Lafayette HA460


> Found a HA460 at a local resell shop....brought it home with intent
> on putting it up for sale (I have no use for it but didnt want it see
> it go to waste where it was)...checked it out on my CE50A...
> TX was doing about 12 watts out, seemed to modulate ok..but the
> audio sounded pretty BAD on the svc mon....rcv was ok....while checking
> it I started to smell something...saw a whiff of smoke out of the center
> of the unit...(pretty close to the 6CW4 rcv amp..)....Unit HAD been
> modified with a fan on the top (evidently this was an ongoing problem).
> I suspect a resistor opened...though unit is still functioning now..
> but I have not taken the cover off yet...anyone ever have this problem
> with a HA460? Overall the radio is in pretty good shape (except for the
> hole they cut for the fan in the center of the cabinet top!) Found the
> schematic and plan to dive in later this week (BTW I might add it has
> the mobile mount and std mic with it...yes, it will be offered for sale
> or auction later AFTER I fix it)..
>
> Tnx
> Chris
> WB5ITT
> Moderator: Ray Brown, KB0STN
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