GB> HW-101 Success!!

[Dave Fouchey]

Congratulations Rich! One more step on the road to recovery...

Dave
WA4EMR

At 05:59 PM 7/24/02 -0400, K7SZ wrote:
>
> Gang:
>
> The war goes slowly, however, today I managed to isolate and correct the
> problem with the birdie/spur on 15 meters.
>
> Along with the HW-101 I got for a parts rig, included was an original manual
> AND a set of service bulletins!
>
> Guess what? Heathkit Service Bulletin HW-101-83, dated Feb 8, 1985, addresses
> the very problem that I was having. The problem was that in the mid-70s
> Heathkit decided to do away with the sockets on V10 and V12 that had
> grounding pins in the center of the tube socket. Originally these were
> soldered directly to the shields that were placed between the Driver Grid and
> Plate boards on the bottom of the 101 chassis.
>
> HW-101-83 lists the cure for the birdie/spur on 15 meters as running a ground
> wire or braid from the shield and soldering it directly to the ground on the
> tube sockets for V10 and 11. That cured the problem!
>
> The only spin off of this was that the entire realignment of the HFO and
> Driver Grid and Plate boards had to be redone.
>
> This trip down memory lane brought to you buy the fine folks at Heathkit and
> their wonderful service bulletins.
>
> 73 Rich K7SZ

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