Hi!I Have The Exact 1854-0003 HP Part.If You Still Need It I Will Be Happy To Send It No Charge.I May Need Some Help Some Day.Let Me Know Your Shipping Address. > Date: Sun, 9 Aug 2009 19:15:33 -0600 > From: d...@montana.com > To: time-nuts@febo.com > Subject: Re: [time-nuts] HP 106B quartz frequency standard...the story > > carefully crack open the old to8 can to expose the leads internally, strip > out the old transistor and cobble the to220 on top with appropriate leads. > The to220 should fit under one of the old mounting screws? one direction > will give the base and emitter connections properly. > Don > Jim Palfreyman > > Thanks for that! - I do have a number of the 5254L units and one of > > them is now being eyed off for organ donation. So thanks to all offers > > for the 1854-0003. > > > > The 2N1701 in a T08 is my next quest... > > > > 2009/8/10 Dave M <masond...@comcast.net>: > >>> Hi all, > >>> > >>> Latest update. > >>> > >>> With some help and phone calls from Bill the fault seems to have been > >>> isolated. I have removed Q11 from inside the oven and it is cactus. Q9 > >>> is also very suspect so I'm going to replace that for good measure. > >>> > >>> Q9 is a 2N1701 in a T08 package. Thanks to various people I should be > >>> able to track one down. Q11 is marked as 1854-0003 and that's an HP > >>> internal number and all I know. Might have to substitute that one. > >>> > >>> After all this I have some quality photos and can knock up some good > >>> descriptions of the repairs and the 106B internals if anyone is > >>> interested. Any websites hanging around that want to take what I have? > >>> > >>> Regards and thanks to all! > >>> > >>> Jim Palfreyman > >>> > >>> > >> > >> > >> Jim, the 1854-0003 is a pretty common HP part in older eqpt. If you > >> have > >> junked 5245L counter handy, it's full of them, especially in the decade > >> counter PCBs. If you don't have one handy, I have an assembly here with > >> 8 > >> of them on it. If you like, I can send it right away (if you're outside > >> the > >> USA, you pay postage). > >> > >> Dave M > >> masondg44 at comcast dot net > >> > >> I went to a bookstore and asked the saleswoman, "Where's the > >> self-help section?" She said if she told me, it would defeat the > >> purpose. > >> > >> > >> > >> > >> > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com > >> To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> and follow the instructions there. > >> > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > > -- > Dr. Don Latham AJ7LL > Six Mile Systems LLP > 17850 Six Mile Road > POB 134 > Huson, MT, 59846 > VOX 406-626-4304 > www.lightningforensics.com > www.sixmilesystems.com > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.
_________________________________________________________________ Get free photo software from Windows Live http://www.windowslive.com/online/photos?ocid=PID23393::T:WLMTAGL:ON:WL:en-US:SI_PH_software:082009 _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
