[Kenwood] TS950SDX dead

[Peter Ravn]

Hi Steve
The DSP is plugged in, and the sub RX is dead as well. I told the workshop 
to test the repair with an ohmmmeter, which I suppose they did. However, 
this needs to be confirmed.
73 de Peter

----- Original Message ----- 
From: "Steve London" <n2icarrl at gmail.com>
To: <kenwood at mailman.qth.net>
Sent: Saturday, April 21, 2012 2:24 PM
Subject: Re: [Kenwood] TS950SDX dead


> Make sure the DSP unit (the unit that hangs from the bottom) is plugged 
> in, and
> there is no intermittency in the connector that plugs the DSP unit into 
> the rest
> of the radio. The way to check for this is to switch to the sub RX. If the 
> sub
> RX works, than the DSP unit has a bad wire in the connector.
>
> Without the rest of the radio, did the workshop have any way to test their
> CP1-CP4 repair ?
>
> 73,
> Steve, N2IC
> former long-time TS-950SDX owner (x2)
>
> On 04/21/2012 04:57 AM, Peter Ravn wrote:
>> Due to the well known problem with intermittent audio distortion on 
>> transmit
>> I pulled out the PLL unit and sent it a Kenwood workshop to have CP1-CP4
>> resoldered. The soldering job was well done, but the radio has gone dead
>> after the reinstallation of the PLL unit. There is 15/5 V on CN5 and all
>> connectors and pins are okay. So what to look for?
>>
>> Lights are on when I turn on the radio. When I turn it off the final fan 
>> is
>> activated as it should. But the display doesn't show frequency, and there 
>> is
>> no audio on receive. Only a slight hum is heard in the earphones.
>>
>> The transmitter is totally dead when keyed. The ATU works when I switch
>> bands.
>>
>> The menu works, and so do all push buttons when engaged. Only the AF/RF
>> control is dead.
>>
>> Hopefully this will give you an idea, gentlemen, what to suspect.
>>
>> 73 de Peter OZ8CTH
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