I just built s/n 4426 and it had the Motorola blue colored MPS5179 which
caused my freq counter not to work. Gary at Elecraft quickly identified
my problem when I told him I couldn't get a reading out of TP1 with the
internal freq counter. I was promptly sent replacements and all was FB.
I was told they have since purged their inventory of these Mot MPS5179
(bad lot?? Supposedly low gain?) so future issues should be solved.
73
K5GUS
-----Original Message-----
From:
[hidden email]
[mailto:
[hidden email]] On Behalf Of Bill Tippett
Sent: Wednesday, October 20, 2004 6:25 AM
To:
[hidden email]
Subject: Re: [Elecraft] ELECRAFT K2 BUILDER ALERT #21
WA6HHQ wrote:
>APPLICABILITY
Recent K2 kits with blue colored MPS5179 transistors for the frequency
counter preamp at Q9, Q10 on the control board.
How recent?
>Background
Some late serial number K2 kits have been supplied with MPS5179
transistors
Above which serial number (approximate is OK)?
73, Bill W4ZV
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