[ICOM] IC751A - 10 meters problem

[Jim Vohland]

I agree 100%. I too have a 751A for backup rig and just went thru identical 
scenario. Scott Malcolm fixed mine up and back working perfectly. Good Luck.

>From: Gary Fiber <g.fiber at verizon.net>
>Reply-To: ICOM Reflector <icom at mailman.qth.net>
>To: ICOM Reflector <icom at mailman.qth.net>
>Subject: Re: [ICOM] IC751A - 10 meters problem
>Date: Sat, 23 Oct 2004 09:23:21 -0700
>
>sounds like PLL trimmer caps to me. Lots of time you will notice the 
>trouble on one band at first even though the trimmer cap is utilized for 
>several bands.
>replace them all with the ceramic types , align and it should clear up.
>
>Gary K8IZ
>
>Need your advise please with my IC751A on 10m (other bands are normal).
>>Generally, audio quality (TX & RX) suffers some distortion (it isn't clean
>>and not as pleasant as on the other bands).
>>The major findings \ symptoms:
>>1. Power output on 10 is lower than all other bands by 25-40 percent.
>>2. There exists some disturbance on the signal - both CW & SSB.  In TX, 
>>some
>>reports were "an ac(100HZ?)  buzz
>>     or FM" in CW, or "a bit garbled" or "slightly distorted"  or "husky 
>>or
>>hoarse" in SSB.
>>3. In Rx SSB , I note the audio to be not clean, indeed husky & slightly
>>distorted as if "one needs to clear his throat".
>>     In cw I can't get a clean note or tone - always sounds like there are
>>some harmonics on the tone.
>>
>>All in all, this is only on 10m.
>>
>>Any ideas ? everything is welcome...
>>
>>73 & tks in advance, de Isaac (Tsachy), 4Z4TL
>>
>>4z4tl at iarc.org
>>http://www.iarc.org/~4z4tl
>
>Gary Fiber K8IZ
>GROL PG-19-6691
>Washington State Resident
>
>
>----
>Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>Icom Users Net: Sundays, 1700Z, 14.316 MHz
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