[Icom] IC 761

Tue, 08 Apr 2003 07:44:40 -0400

Bill,

Does the 761 use 100 mA and 600 mA as the idle current for the driver and 
PA, as in the 751A?

73 Frank W3UHF

>From: "wjdiamond" <[email protected]>
>Reply-To: [email protected]
>To: "Icom@Mailman. Qth. Net" <[email protected]>
>Subject: [Icom] IC 761
>Date: Mon, 7 Apr 2003 22:08:55 -0500
>
>Hi Folks,
>
>Well, I am finding out more about the ailing 761. If I follow the proper
>procedure in the book for setting the driver and final current, ( in SSB
>not RTTY) they adjust properly.
>
>Troubleshooting using a scope reveals there is no RF at J8 on the RF unit
>board, thus there is nothing at the PA module.  I think someone had just
>turned the bias wide open so some output would show on a meter to sell it.
>
>It would appear that Q14, the broadband amp on the RF unit is open. I am
>awaiting a replacement now.  Sure glad I have a dual trace scope..
>
>More later....
>
>         William J. Diamond (Bill)
>         Rogers, Arkansas USA
>         [email protected]
>
>         Ham Radio Operator WR�T
>       Flying The Flag Long Before
>             It Was Popular
>    Please Visit My New Icom Radio Page
>
>  http://pages.sbcglobal.net/wjdiamond/index.html
>
>
>----
>Your Moderator: Dick Flanagan W6OLD, [email protected]
>Icom Users Net: Sundays, 1700Z, 14.315 MHz
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