[Kenwood] 742 fading xmit audio

[Clif Holland]

But is the power getting to the radio?

Clif Holland KA5IPF
www.avvid.com




----- Original Message ----- 
From: "Tom WA9WSJ" <wa9wsj at yahoo.com>
To: <kenwood at mailman.qth.net>
Sent: Tuesday, January 17, 2012 8:28 PM
Subject: [Kenwood] 742 fading xmit audio


> Hello Gents,
>
> The two meter module in my 742 has fading transmit audio when in high 
> power.
>
> It had this once before and I found that the pin diode D15 was bad. No so 
> this time. I changed the S-AV17 output module but that wasn't it either.
>
> The unit does this when it gets HOT. But even when hot, switching to 
> medium power right away cures the problem.
>
> There is no problem with the power supply, it is supplying sufficient 
> power.
>
> Any ideas on this one?
>
> Thanks!
>
> Tom WA9WSJ
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