[Test-Equipment] HP 10554 Oven

[Bill Riches]

Good grief pete hope you are out of the way of the storm.  Thanks for your
help. Am going to obtain the transistors.  Film at 11!.
 
Regrds,

Bill

-----Original Message-----
From: test-equipment-bounces at mailman.qth.net
[mailto:test-equipment-bounces at mailman.qth.net] On Behalf Of pete wokoun
Sent: Saturday, February 27, 2010 2:08 PM
To: test-equipment at mailman.qth.net
Subject: Re: [Test-Equipment] HP 10554 Oven


That's FIND, not fine...

We got us a tsunami warning here today! 2 hours away.
 
> From: pwokoun at hotmail.com
> To: test-equipment at mailman.qth.net
> Date: Sat, 27 Feb 2010 08:59:25 -1000
> Subject: Re: [Test-Equipment] HP 10554 Oven
> 
> 
> Bill,
> 
> You can fine the Master Consolidated HP X-Ref list here, all 143 pages of
it:
> 
> http://www.sphere.bc.ca/test/hpparts.html#cross
> 
> 
> 
> It looks like you add a 185 prefix and add zeros after the dash to get 4
digits.
> 
> 3-347=1853-0347=MJE700
> 
> 5-10=2N2646
> 
> 4-560=MPS A12
> 
> 4-23=no listing
> 
> 
> 
> I have a tech manual somewhere for that oscillator, will look for it and
see if there's anything more in it.
> 
> 
> 
> pete
> 
> 
> 
> 
> 
> > From: bill.riches at verizon.net
> > To: test-equipment at mailman.qth.net
> > Date: Sat, 27 Feb 2010 12:28:02 -0500
> > Subject: Re: [Test-Equipment] HP 10554 Oven
> > 
> > Hi Pete,
> > 
> > Part numbers are for a HP 10554A oven controller. Numbers on schematic
are
> > as follows:
> > 
> > Q1- 4-23
> > Q2 - 4-560
> > Q3- 5-10
> > Q4 - 3-347
> > 
> > Just wondering if you put 185 in front of these numbers do real part
numbers
> > appear? Any help will be appreciated.
> > 
> > 
> > 
> > Bill,
> > 
> > What HP part numbers do you have? There are HP cross reference lists out
> > there, like at work which I won't be at until next Monday.
> > 
> > I build a nice freq std using that oscillator a few years back. See it
at
> > 
> > http://www.qsl.net/kh6grt/page4/freqstd/freqstd.htm
> > 
> > 
> > 
> > pete
> > 
> > 
> > 
> > > From: bill.riches at verizon.net
> > > To: test-equipment at mailman.qth.net
> > > Date: Fri, 26 Feb 2010 20:17:17 -0500
> > > CC: bill.riches at verizon.net
> > > Subject: [Test-Equipment] HP 10554 Oven
> > > 
> > > I am working on the oven controller assembly that will not heat up. I
do
> > > have the schematic for it but wonder if anyone has transistor and IC
part
> > > numbers for this board. Looks like hp numbers on the devices.
> > > 
> > > 
> > > 
> > > Any info would be appreciated.
> > > 
> > > 
> > > 
> > > 73,
> > > 
> > > 
> > > 
> > > Bill, WA2DVU
> > > 
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