[Icom] The saga of the 761

Thu, 1 May 2003 17:35:41 -0400

Congratulations Bill.  You now have a very nice radio and I'm sure you
learned a lot along the way.  I guess I am nowhere near as ambitious.  A
couple of years ago my faithful 765 suddenly ceased to do anything
except receive AM.  It turned out to be a bad crystal a bad filter and a
number of bad solder joints, all of which were found and fixed by Icom.
I'm beginning to believe that the crystals and the filters can go bad
over time but I'm sort of surprised to find that out.  It sound like you
had a bit of that trouble and a whole lot more.  Nice going.

Bruce - W8FU

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of wjdiamond
Sent: Thursday, May 01, 2003 2:12 AM
To: Icom@Mailman. Qth. Net
Subject: [Icom] The saga of the 761

Hi folks,

Well, the IC 761 is now alive. It is ready for final alignment and put
back
together.

CW, AM, RTTY, SSB, FM all work to specs, the tuner works fine now after
replacing both motor driver transistors and bridging 3 broken circuit
paths.

It has been a long road and even though I did get another 756 PRO II, I
just could not see turning this rig into a parts rig.

I guess this come form some of my old Collins restorations, I just would
not give up until it was right.

The lack of CW and RTTY was due to a bad xtal X1,. and about 5 bad
lytics.

Hope I haven't caused to many delete keys to wear out.

All toll, I replaced probably 35 lytic caps and most were open and about
23
.01 BL caps on various boards.

Thanks to all that had helpful suggestions..

        William J. Diamond (Bill)
        Rogers, Arkansas USA
        [email protected]

        Ham Radio Operator WR=D8T
      Flying The Flag Long Before
            It Was Popular

 Please Visit My Icom Radio Page At

 http://pages.sbcglobal.net/wjdiamond/index.html

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