[ICOM] PRO III bias setting

[ns0i at comcast.net]

http://www.download.n7tgb.net/Icom_Manuals/IC-756PRO3_service.pdf

In 30 seconds of Google I found this site.  Is it what he needs ????

NS0I

--------------------------------------------------
From: "Larry Benko" <xxw0qe at comcast.net>
Sent: Sunday, August 12, 2012 1:05 PM
To: <icom at mailman.qth.net>
Subject: Re: [ICOM] PRO III bias setting

> These manuals do not include the SERVICE manual which is what he needs.
> I have the service manual in pdf format and it is 24MB. Chapter 4
> describes all the adjustments.  Page 4-4 says measure idle current and
> adjust R14 driver) for an increase of 1A, then adjust R16 (driver) for
> an increase of 1A, then adjust R65 (final) for an increase of 1A, and
> finally adjust R67 (final) for an increase of 1A.  Procedure was started
> with all pot. fully CCW.
>
> This would imply that all 4 devices in the driver and final section have
> a quiescent bias of 1A.
>
> Larry, W0QE
>
>
> On 8/12/2012 10:54 AM, Chuck Sudds wrote:
>> On 8/12/2012 11:49 AM, ns0i at comcast.net wrote:
>>
>> You can download the manuals from this link:
>>
>> http://www.icomamerica.com/en/downloads/Default.aspx?Category=27
>>
>>> If you are having one driver replaced then the person replacing the 
>>> driver
>>> should know how to make those adjustments.  If they don't/can't then I 
>>> would
>>> not have let them near my radio.
>>> NS0I
>>>
>>>> Do some searching, the manuals are available for download.
>>>>
>>>>
>> ----
>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>> To support QSL/QTH.net: http://www.qsl.net/donate.html
>>
>
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
> To support QSL/QTH.net: http://www.qsl.net/donate.html
>
>
>
>
>
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