[Elecraft] Nuts, I broke my K2

Sun Jul 28 22:44:00 2002

> After looking over the schematics, I'm wondering if I blew the
> 8v and/or 5v regulators.  Anybody have ideas?

At the risk of sounding trite........

Check the outputs of the 5 and 8 volt regs....... :-)

Chuck

Note Jon Mitchell's stunning brilliance and Chuck's apt reply (gack!)

From:           	Jon Mitchell 
<[email protected]>
Send reply to:  	[email protected]
To:             	[email protected]
Subject:        	[Elecraft] Nuts, I broke my K2
Date sent:      	Sun, 28 Jul 2002 22:12:13 -0400

> 
> D'oh! After 3 trouble-free years, I broke my K2 (#340)!
> 
> After giving it a bit too much EMF (ie, voltage), I am getting
> the following symptoms:
> -- What sounds like square wave audio from the speaker
> -- Much higher rx current; ~300 mA
> -- S-meter pegged at S9+40
> -- Display button press reads: E 25.5 i 5.10
> -- All buttons and VFO seem to work fine
> -- RX works, but audio level is down (probably due to ALC
>     being triggered)
> -- AF gain control has no effect on the square wave audio
> -- RF gain control has no effect on the square wave audio but
>     does work on RX signals
> -- HI CUR warning even when in CW Test mode (current ~250 mA)
> -- When TX into dummy load, radio resets
> 
> No worries, though! This is a prime reason as to why I bought
> a K2 -- it was great to build, it's super fun to operate, and
> now I'll see how easy it is to fix!
> 
> After looking over the schematics, I'm wondering if I blew the
> 8v and/or 5v regulators.  Anybody have ideas?
> 
> I recorded the audio and put it on my 'K2 boo-boo' web page
> at http://jmitch.homeip.net:8080/radio/fixk2/index.html
> (as long as Verizon doesn't drop me; try again later if
> you can't get through...)
> 
> Thanks for any help,
> -- Jon
> 
> -- 
> Jon Mitchell               I have a simple philosophy:  Fill what's empty;
> mailto:[email protected]        empty what's full; scratch where it itches.
> http://www.qsl.net/kd3fg       -- Alice Longworth Roosevelt
> 
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