[Elecraft] No speaker audio

[David Wilburn]

Any pics of how you mounted and wired it or the part number and vendor 
of the part you got to replace it?  I'm planning a K2 build soon as I 
sell some radios.  So I was trying to get the pieces in place from the 
start.

David Wilburn
dave.wilburn at verizon.net
K4DGW



Geoffrey Mackenzie-Kennedy wrote:
> Kirk,
> 
> Sounds as though the internal switch in your headphone jack has failed, 
> and the only practical fix I believe is to replace it.  Since 2003 the 
> switch in the original headphone jack and its replacement in my K2 have 
> failed, and I now use a robust headphone jack mounted on the rear panel.
> 
> 73,
> Geoff
> GM4ESD
> 
> ----- Original Message ----- From: "Kirk Brown" <kbpayh at gmail.com>
> To: <elecraft at mailman.qth.net>
> Sent: Saturday, January 13, 2007 12:17 AM
> Subject: [Elecraft] No speaker audio
> 
> 
>> I recently discovered that my external speaker fails to work after
>> pulling out my headphones. I checked the resistance of the speaker and
>> it reads 8 ohms, and the DC voltage across the plug (P5) is almost
>> nothing. The DC voltage out of the audio amp U9 (Pin #6) reads 13
>> volts. R35/36 should be ok because the headphones work fine.
>>
>> I think J2 is the problem and could be called a TIF (toddler induced
>> failure). My son was sitting on my lap listening to "beeping" and he
>> tugged on the headphone cord. Could this have damaged the  internal
>> switch, keeping it stuck in headphone mode? Is there any way to fix
>> this?
>>
>> 73,
>>
>> Kirk (KA2P)
> 
> 
> 
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