[Icom] The 761 Lives

Wed, 23 Apr 2003 00:42:07 -0400

Hi Bill:

You realize of course, that if you repair the IC-761, you have to return the
new IC-756 Pro II that you bought for your shop.  ;-)

73,

Woody
KJ4SO

----- Original Message -----
From: "wjdiamond" <[email protected]>
To: "Icom@Mailman. Qth. Net" <[email protected]>
Sent: Wednesday, April 23, 2003 12:32 AM
Subject: [Icom] The 761 Lives

> Hi Folks,
>
> Well, the 761 lives somewhat now. 100 watts out on SSB, 40 W am and 40 FM,
> I set the AM and FM to these levels.
>
> Xtal X1 is bad and that is causing the lack of RTTY and CW.
>
> So what was wrong, well,,,,, the last batch of parts got the RF board
fixed
> but my 60 year old eyes and hands put a diode in backwards. I bet I looked
> at it 5 times and I still did it wrong....  Oh well, I admit it.
>
> Now it is time to tackle the two other problems, the speech compressor
does
> not work at all and the tuner is a disaster, totally inop.  I have to
> replace the lytic caps in the DC to DC converter in the tuner.
>
> One of the worm drive gears had fell off the tuner motor shaft and the
> other one was jammed up but at least the motors are still good.....
>
> Looks like the tuner will be another fun time.
>
> Does anyone have a spare tuner for one? or the mounting shelf for the
> internal PS unit. I found a PS for it.
>
> Heck someday the 761 may really be fixed.  On the positive side thanks to
> Bill and Scott Malcom, I know a lot more about solid state than I did
> before.  I still think however, that I may just be too old to unlearn
tubes
> and learn these little transistors.
>
> When I was working on brand C and D,  if the voltage was within 20 to 25%
> or a resistor was within 40% and the tube would light it would usually
> work. Not so on these babies as I have found out..
>
> Thanks for all the help.
>
>
>         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 Icom Radio Page At
>
>  http://pages.sbcglobal.net/wjdiamond/index.html
>
>
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