Another thought is the RF gain knob, which could wipe out all received 
audio.

73, Steve KW3A

On 1/11/2011 9:39 AM, David R. Basden wrote:
> You might check to make sure the IF shift isn't turned to one side or
> the other and that the audio filtering isn't set so narrow nothing
> gets through.
>
> 73,
>
> Dave, W7OQ
>
> At 02:17 PM 1/10/2011, you wrote:
>
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>> this almost sounds like one of the noise reduction features is turned
>> on...but this should have been reset with the full reset.
>> well, there may well be a problem with the HF receiver.
>> too bad, but I guess you have a reliable source to send it to for repares.
>> 73
>> Colin, V A6BKX
>> ----- Original Message -----
>> From: "Gary Smith"<[log in to unmask]>
>> To:<[log in to unmask]>
>> Sent: Sunday, January 09, 2011 4:08 PM
>> Subject: Re: Kenwood Repair
>>
>>
>>> Hi Colin and all,
>>> The VS3 voice works fine and I disconnected my external speaker and there
>>> is
>>> no difference in the sound.  I'm positive there are no antenna or coax
>>> connector problems.  The VHF/UHF bands work fine on both receivers so it
>>> appears to be a problem with the HF receiver only.  Sometimes I can hear a
>>> faint signal on the HF frequencies but the sound is distorted.  I hope
>>> this
>>> explains the situation a little more clearly.  Thanks for your input it is
>>> really helpful.
>>>
>>> 73, Gary, N5GD
>>>
>>> -----Original Message-----
>>> From: For blind ham radio operators [mailto:[log in to unmask]]
>>> On Behalf Of Colin McDonald
>>> Sent: Sunday, January 09, 2011 3:12 PM
>>> To: [log in to unmask]
>>> Subject: Re: Kenwood Repair
>>>
>>> So just for some trouble shooting comments:
>>> the vs3 voice comes through as normal right? i'm thinking a speaker or
>>> external speaker issue if your not hearing "anything".
>>> Does the sub receiver work normally, IE the VHF and UHF bands?  and do
>>> they
>>> function as normal using both the main and sub VFO's?
>>> Are you posative that all coax and connecters are in good repare...if you
>>> are switching the antenna to a different radio, perhaps you are twisting
>>> or
>>> moving the PL259 jack so that it works fine on the other rig, but stops
>>> working when you move it back to the ts2000?
>>> You also weren't clear on what part of the receiver isn't working...HF,
>>> VHF,
>>>
>>> UHF general coverage, what?
>>> If it is everything, then I suspect something other than the radio's
>>> internal circuitry as HF and VHF/UHF receivers are totally separate in the
>>> ts2000 and likely wouldn't fail at the same time.
>>> What sort of noise level difference do you hear when you listen to the
>>> receiver with, and without the HF antenna plugged in?
>>> You said you hear stuff once in a while, but it's not clear...do you mean
>>> the signal is low, or that the audio is garbled, or distorted or something
>>> like that?
>>> Just trying to trouble shoot a bit here because if it is something that
>>> can
>>> be done on your own, it would be allot better than paying $50 each way for
>>> shipping to find out there is nothing wrong with the rig.
>>> So try using headphones on the front headphone jack, unplug any external
>>> speaker you might be using, try to determine which part of the receiver,
>>> or
>>> which receiver specifically isn't working.  The ts2000's are pretty bullet
>>> proof in my experience...unless you had a lightening strike or something
>>> that blew out the receiver.
>>> How long has this issue been going on?
>>> 73
>>> Colin, V A6BKX
>>> ----- Original Message -----
>>> From: "Steve Forst"<[log in to unmask]>
>>> To:<[log in to unmask]>
>>> Sent: Sunday, January 09, 2011 12:37 PM
>>> Subject: Re: Kenwood Repair
>>>
>>>
>>>> Gary,
>>>>
>>>> Are you sure that you are on the correct antenna jack?  I forget the
>>>> command to switch between antenna 1 and 2, but try moving the antenna to
>>>> the other HF jack.
>>>>
>>>> Steve KW3A
>>>>
>>>> On 1/9/2011 2:28 PM, Gary Smith wrote:
>>>>> I seem to be having some problems with the receiver on the TS2000.  I
>>>>> basically can't hear anything.  I thought maybe I had pressed some type
>>>>> of
>>>>> filter or another button that caused the problem.  I did a full factory
>>>>> reset but it didn't fix the problem.  I know it's not the antenna
>>>>> because
>>>
>>>>> I
>>>>> have another radio hooked up and it works fine.
>>>>> So any suggestions on where the best Kenwood Service Center is or anyone
>>>>> else that could repair the radio?
>>>>>
>>>>> 73, Gary, N5GD
>>>>>
>>>>>
>>
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