¿ªÔÆÌåÓý

Date

Re: mini SMB connector type?

 

You nailed it!

Fits measurements and matches photos.

Peter

On 7/17/2017 8:46 AM, wallydoc@... [hp_agilent_equipment] wrote:

Is this it?




Wally KC9INK


Re: mini SMB connector type?

 

Never even heard of SMZ connectors. I see they are 75 ohm, perhaps that's why. The connector I need is half the diameter, 0.100" !

Pretty sure it's SSMB.

On 7/16/2017 11:42 PM, Dennis Czelusniak czelusniakd@... [hp_agilent_equipment] wrote:

I recently picked up some telco equipment that turned out to have N to SMZ adapters. Maybe you can Google and compare your connectors.

Dennis

--------------------------------------------
On Sun, 7/16/17, Peter Gottlieb hpnpilot@... [hp_agilent_equipment] <hp_agilent_equipment@...> wrote:

Subject: [hp_agilent_equipment] mini SMB connector type?
To: hp_agilent_equipment@...
Date: Sunday, July 16, 2017, 10:30 PM

I have a piece of gear which uses coaxial
connectors which look like push-on SMB
but are somewhat smaller.

Does anyone happen to know what they
are called?

Peter



------------------------------------
Posted by: Peter Gottlieb <hpnpilot@...>
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hp_agilent_equipment-fullfeatured@...





Re: mini SMB connector type?

 

From measurements and examinations of photos I'm 99% sure it's a SSMB. Never ran into those before! I have one on order then will know 100%.

Peter

On 7/16/2017 11:01 PM, Glenn Little WB4UIV glennmaillist@... [hp_agilent_equipment] wrote:

MCX?

Glenn

On 7/16/2017 10:30 PM, Peter Gottlieb hpnpilot@...
[hp_agilent_equipment] wrote:
I have a piece of gear which uses coaxial connectors which look like push-on SMB
but are somewhat smaller.

Does anyone happen to know what they are called?

Peter



------------------------------------
Posted by: Peter Gottlieb <hpnpilot@...>
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--
----------------------------------------------------------
Glenn Little ARRL Technical Specialist QCWA LM 28417
Amateur Callsign: WB4UIV wb4uiv@... AMSAT LM 2178
QTH: Goose Creek, SC USA (EM92xx) USSVI LM NRA LM SBE ARRL TAPR
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"
----------------------------------------------------------


Re: (Still) need copy/scan/borrow/photo one page from HP 8673C/D service manual 08673-90022/08673-90100

 

Dave,
Is the one at this link:

any better?
--John Gord


---In hp_agilent_equipment@..., <wb0gaz@...> wrote :

My search for page 8-43 (block diagram BD-1 on a wide-format fold-out page) from either version of the 8673C/D service manual (prelim or first version) continues.

Unfortunately Artek does not list this model in their available products (else this would certainly be a moot point as I'd gladly go to them!) The scan on HP/keysight web site is not useful for larger-format pages for this model.

So, if you have or know of someone that has this (large) old service manual and could help out with the missing page (scan/loan/buy/borrow/photo/etc.), I'd be grateful!

Dave
wb0gaz@...


Re: (Still) need copy/scan/borrow/photo one page from HP 8673C/D service manual 08673-90022/08673-90100

 

My search for page 8-43 (block diagram BD-1 on a wide-format fold-out page) from either version of the 8673C/D service manual (prelim or first version) continues.

Unfortunately Artek does not list this model in their available products (else this would certainly be a moot point as I'd gladly go to them!) The scan on HP/keysight web site is not useful for larger-format pages for this model.

So, if you have or know of someone that has this (large) old service manual and could help out with the missing page (scan/loan/buy/borrow/photo/etc.), I'd be grateful!

Dave
wb0gaz@...

#

2a. Need copy/scan/borrow one page from
HP 8673C/D service manual 08673-90022/08673-90100
? ? Posted by: "David
Feldman" wb0gaz@...
wb0gaz
? ? Date: Fri Jul 14, 2017
2:37 pm ((PDT))

Hello --

I'm in need of one page (8-43), a
wide-format fold-out containing block diagram BD-1 from
either of the above (preliminary for first printing)
versions of HP service manual for 8673C/D synthesizer.

The scan on keysight web site is not
usable for larger-format images due to severe authoring
problems (the later version of the manual 08673-90138 is
even worse - they scanned double-wide tabloid form pages
into letter format with very poor resolution.)

If you have this manual and would be
able to scan, loan or copy (or perhaps even take a series of
high-resolution photos that I could stitch together) the
requested page, could you drop me an e-mail off-list?

Thank you very much for your
assistance,

Dave
wb0gaz@...





Messages in this topic (2)
________________________________________________________________________
2b. Re: Need copy/scan/borrow one page
from HP 8673C/D service manual 08
? ? Posted by: "Dave Daniel"
kc0wjn@...
davidnickdaniel
? ? Date: Fri Jul 14, 2017
3:08 pm ((PDT))

Dave,

You might see if Artek manuals has a
copy. Their scans are of high quality and their prices are
extremely reasonable.

DaveD

Sent from a small flat thingy


Re: 8590B power supply problem

 

Hi Roland

Like yourself I am now retired after nearly sixty years in the electronics industry and keep myself sane by repairing, preferably, early solid state test gear. I particularly like Marconi because it is mainly manufactured from industry standard components unlike HP and the in house manufactured "unobtainable specials". On Sunday last I bought a none working Marconi 2022C at a rally and have got it working again.

Some years ago I had a contract with a government department to repair all of their computer power supplies, which were almost exclusively switch mode. These ranged from server PSU's to Lap Tops PSU's, over the seven years of this contract I must have repaired well over 5,000 of these, schematics simply did not exist given that, like your HP PSU, they were bought in items, usually from China.

I have since also repaired a number of HP SWPSU's which were of third part manufacture and without schematics. One of the worst were two for HP test sets which included built in inverters to allow operation from mains or 12VDC.

If you cannot find any one Local to help you I may be able to help you, I now live in Dover.

73 George G6HIG




________________________________________
From: hp_agilent_equipment@... <hp_agilent_equipment@...> on behalf of 'Roland ETIENNE' roland.etienne@... [hp_agilent_equipment] <hp_agilent_equipment@...>
Sent: 17 July 2017 16:45
To: hp_agilent_equipment@...
Subject: RE: [hp_agilent_equipment] Re: 8590B power supply problem

Hi George,

Thanks for your kind advices, I know the difficulties of working on
switching power supply...have been in electronics the past 44 years, and
sure, I do prefer repairing linear ps!
Now, I am retired, but always trying to repair equipments for
friends...sometimes, it's a real challenge!

73,
Roland F8CHK

-----Message d'origine-----
De : hp_agilent_equipment@...
[mailto:hp_agilent_equipment@...]
Envoy¨¦ : lundi 17 juillet 2017 15:56
? : hp_agilent_equipment@...
Objet : Re: [hp_agilent_equipment] Re: 8590B power supply problem

Hi Roland

I have been following this thread from the start.

In my experience you stand little or no chance of finding a true schematic,
what you need to do is to find someone who knows how to repair SMPSU's and
has the facilities for doing so. You can only really fault find on them
when they are fully energised by the incoming mains supply. This requires
specialist skills and precautions coupled with a safe working environment.
There are lethal voltages present (370VDC at very low impedance) also a
simple mistake can result in the SMPSU going into total self destruct mode.

73 George G6HIG
________________________________________
From: hp_agilent_equipment@...
<hp_agilent_equipment@...> on behalf of roland.etienne@...
[hp_agilent_equipment] <hp_agilent_equipment@...>
Sent: 17 July 2017 11:42
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] Re: 8590B power supply problem

Hi Tom,

I have the same power supply as yours and it's a faulty one also...I wonder
if you sojve your problem and if you could identify fhe HP900 component ? I
also think that it is an optocoupler, but not sure at all! It's a pity we
can't find the exact schematics of this power supply!

My primary circuitry looks fine, have made some tests connecting 12 v from
an external power supply so the NE5560 is running, signals seem to be OK on
the buck regulator and the DC-DC converter.

So may be the problem is in the feedback??

If you have any infos, I thank you in advance!

73,
Roland F8CHK

------------------------------------

------------------------------------

------------------------------------

Yahoo Groups Links


Re: Time Interval Multimeter on HP-1725A

 

Thanks all. That got me on the path. I think this must be a 3476A as it does not exactly match the 3476B manual available online. Just knowing what it was encouraged the dismantling of same and a quick and superficial alignment per the manual the actual fault was simply very bad connections at the funky fuse/input section.

John


HP E2433-60010 Training Kit parts for HP16500x

 

Hi ALl,

I acquired a HP16500C.
And I want to built a HP E2433-60010 Training Kit (since I couldn't find one to buy).

Most parts are easily to be obtained, but does anybodyknow what the equivalents are of the following HP parts?

1810-1278
1251-8106
Thanks in advance,

Robert
PA1RBH


Re: 141T reference replacement..a cure??

 

¿ªÔÆÌåÓý

I forgot to fill in "For 82V, we'd use [values]", because I noticed that the values Philips used (953K and 59K)?make something like 150V instead of 116V.? I realize now that the junctions begin conducting near?6V, not (7.5 + 1.4), so we want about 120K and 9.1K .

?

The TL431 still gets my vote.? (Using 150K and 4.7K .)


From: hp_agilent_equipment@... on behalf of David Wise david_wise@... [hp_agilent_equipment]
Sent: Sunday, July 16, 2017 6:39 PM
To: hp_agilent_equipment@...
Subject: Re: [hp_agilent_equipment] Re: 141T reference replacement..a cure??
?


The file 'Signalite-Hivac neon regulators-LM317.pdf' is available from this link:

in a thread called '120V, 400mW Zener Diodes?' on the UK Vintage Radio Repair and Restoration Discussion forum at

?.

I saved a copy on my hard drive.

?

But the real gem is buried in the discussion.? The Philips PM3266 scope switched from a V116R2 to a zener/transistor circuit.

See the "Unit 7 - Focus" schematic on page 29.? Scans of the manual are out there.

?

They used a BZX79-C7V5 zener, whose tempco is +4mV/K, and a BF422 darlington pair whose tempco is -4.2mV/K.? The transistor pair?is stacked on top of the zener, cancelling the tempco's, and the base is driven by a resistive voltage divider which multiplies (Vz + Vbe) by (R1+R2)/R2.? For?82V, we'd use .? Any quiet low-current zener with +4.2mV/K tempco would do.

?

However, the actual tempco of the zener is loosely controlled, +4 is just the typical value.? We're better off (and one component less) with a multiplied TL431.? This is in my opinion still the only approach that is simultaneously easy, cheap, and good.

?

Since it's the ratio and not the individual value that's important, any pair of thermally-coupled resistors with similar tempco's would work.? Metal film, carbon film, as long as the value is stable over time.

Best Regards,

Dave Wise


Re: Asymmetric trace "dot" on Hp 141-T display section

 

Hi Richard,

You were correct. I had thought astigmatism was only related to the symmetry of the focus in terms of the far edges of the CRT versus the center. A slight turn of the ASTIG pot was all it needed and now it is razor sharp. Incidentally I got my first pair of glasses today (I have astigmatism) and noticed the same thing when I looked at my computer! Razor sharp!

Thanks,

--E


Re: HP HIL system to lend or buy?

 

¿ªÔÆÌåÓý

Hi Tam

?

Thank you for taking this project on

I believe you will require some sort of specification / design criteria could you post you torts on this Group for feed back

?

Regarding sell or lend anything

?

Setting you up with ?a 9000 computer system might be? a bit expensive but something like a 70004 might be a way forward

?

The big question for any one to help is your location

?

Paul? B?????????? South cost? UK


From: hp_agilent_equipment@... [mailto:hp_agilent_equipment@...]
Sent: 17 July 2017 09:18
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] HP HIL system to lend or buy?

?

?

Hello Folks,

just made the decision - I am going forward with the HP keyboard emulator.

Sadly, I dont have any HP HIL equipment in house. My question is, if
anyone of you is willing to sell or lend anything? I would gladly pay
shipping both ways for lending, and a lend fee.

Tam

No virus found in this message.
Checked by AVG -
Version: 2016.0.8013 / Virus Database: 4779/14697 - Release Date: 07/17/17


Re: 141T display anomolies

 

I had weird problems with my 141-T that ultimately proved to be the CRT. There's probably a small driver board mounted near the CRT deflection plate connections on the neck. I'd check that first. Since you have another good unit, I'd consider a CRT swap to see if that's the issue. A pain in the butt but it will tell you conclusively. I had ended up purchasing a NOS CTR on eBay. Fixed all of the problems. Good luck.

Rich

Please note: message attached

From: "chtowns@... [hp_agilent_equipment]" <hp_agilent_equipment@...>
To: <hp_agilent_equipment@...>
Subject: [hp_agilent_equipment] 141T display anomolies
Date: 17 Jul 2017 09:26:40 +0000


____________________________________________________________
Actress Maggie Q Shocks With Her Solution To Tummy Troubles
ActivatedYou


Re: 8590B power supply problem

 

Hi George,

Thanks for your kind advices, I know the difficulties of working on
switching power supply...have been in electronics the past 44 years, and
sure, I do prefer repairing linear ps!
Now, I am retired, but always trying to repair equipments for
friends...sometimes, it's a real challenge!

73,
Roland F8CHK

-----Message d'origine-----
De?: hp_agilent_equipment@...
[mailto:hp_agilent_equipment@...]
Envoy¨¦?: lundi 17 juillet 2017 15:56
??: hp_agilent_equipment@...
Objet?: Re: [hp_agilent_equipment] Re: 8590B power supply problem

Hi Roland

I have been following this thread from the start.

In my experience you stand little or no chance of finding a true schematic,
what you need to do is to find someone who knows how to repair SMPSU's and
has the facilities for doing so. You can only really fault find on them
when they are fully energised by the incoming mains supply. This requires
specialist skills and precautions coupled with a safe working environment.
There are lethal voltages present (370VDC at very low impedance) also a
simple mistake can result in the SMPSU going into total self destruct mode.

73 George G6HIG
________________________________________
From: hp_agilent_equipment@...
<hp_agilent_equipment@...> on behalf of roland.etienne@...
[hp_agilent_equipment] <hp_agilent_equipment@...>
Sent: 17 July 2017 11:42
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] Re: 8590B power supply problem

Hi Tom,

I have the same power supply as yours and it's a faulty one also...I wonder
if you sojve your problem and if you could identify fhe HP900 component ? I
also think that it is an optocoupler, but not sure at all! It's a pity we
can't find the exact schematics of this power supply!

My primary circuitry looks fine, have made some tests connecting 12 v from
an external power supply so the NE5560 is running, signals seem to be OK on
the buck regulator and the DC-DC converter.

So may be the problem is in the feedback??

If you have any infos, I thank you in advance!

73,
Roland F8CHK





------------------------------------

------------------------------------


------------------------------------

Yahoo Groups Links


HP Service note

 

I am looking for a copy of Safety Service Note 8757C/E-02-S? This is referenced by Bench Briefs 2ND Quarter 1990.

Does anyone have a copy of this that they would share?

Thanks
Glenn
--
-----------------------------------------------------------------------
Glenn Little ARRL Technical Specialist QCWA LM 28417
Amateur Callsign: WB4UIV wb4uiv@... AMSAT LM 2178
QTH: Goose Creek, SC USA (EM92xx) USSVI LM NRA LM SBE ARRL TAPR
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"
---------------------------------------------------------------------------


Re: 8590B power supply problem

 

Hi Roland

I have been following this thread from the start.

In my experience you stand little or no chance of finding a true schematic, what you need to do is to find someone who knows how to repair SMPSU's and has the facilities for doing so. You can only really fault find on them when they are fully energised by the incoming mains supply. This requires specialist skills and precautions coupled with a safe working environment. There are lethal voltages present (370VDC at very low impedance) also a simple mistake can result in the SMPSU going into total self destruct mode.

73 George G6HIG
________________________________________
From: hp_agilent_equipment@... <hp_agilent_equipment@...> on behalf of roland.etienne@... [hp_agilent_equipment] <hp_agilent_equipment@...>
Sent: 17 July 2017 11:42
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] Re: 8590B power supply problem

Hi Tom,

I have the same power supply as yours and it's a faulty one also...I wonder if you sojve your problem and if you could identify fhe HP900 component ? I also think that it is an optocoupler, but not sure at all! It's a pity we can't find the exact schematics of this power supply!

My primary circuitry looks fine, have made some tests connecting 12 v from an external power supply so the NE5560 is running, signals seem to be OK on the buck regulator and the DC-DC converter.

So may be the problem is in the feedback??

If you have any infos, I thank you in advance!

73,
Roland F8CHK


Re: mini SMB connector type?

 

¿ªÔÆÌåÓý

That's what I'm leaning towards. Will measure tonight.?


Peter

On Jul 17, 2017, at 8:46 AM, wallydoc@... [hp_agilent_equipment] <hp_agilent_equipment@...> wrote:

?

Is this it?




Wally KC9INK


Re: mini SMB connector type?

 

Is this it?



Wally KC9INK


HP 140B A602 Connections

 

While doing some work to my 140B recently, it was necessary to remove the slide-in connectors along one edge of the A602 board (to enable it to be lifted up a bit). It had been apart for a couple of weeks and, yesterday, I went to reconnect the wires.

The wires are color-coded and the color codes are labeled on the board so it's not too difficult to tell which wire connectes where; however, when I had all the connectors installed, I noticed there was an empty slot on the board. I didn't recall that when I took it apart but I might have overlooked that (or forgot it in the interim).

Anyway, after searching for the "missing" wire, I finally concluded that a wire was not initially connected to that slot. The scope seems to work okay as-is so I think I was right; however, it does have me curious.

The empty slot is labeled "924" (white,red,yellow). Looking at the schematic, there are two 924 connections to that board; however, there are three 924 slots. The picture of that board in the manual clearly shows three slots as well.

After a bit of checking, I determined where the two 924 wires that do exist should go into which 924 slots. On further examination, I discovered that the empty 924 slot is connected (via trace on the underside of the board) to the adjacent 945 slot/wire.

BTW, 945 is the connection to the EXT/INT Z AXIS INPUT switch. One of the 924 wires is the UNBLANKING signal from one of the plugins and the other 924 connects to one of the transformer secondaries on the HV board.

Anyone know why there'd be an extra 924 slot that's connected to the 945 slot that way? I thought it might be for a test configuration or an option but don't know. Just curious...

Thanks,
Barry - N4BUQ


Re: 8112A error code E11

Adrian Nicol
 

Hi,
I had a couple of intermittent faults on mine (E14 & 35) which could never be induced to appear when the top two PCBs were 'unfolded' to their service position.
One was tracked down to one of the ribbon cables that, when the PCBs were folded down and the ribbon was tucked under the board had damaged insulation which looked it was caused by the ends of its own PCB connector tails on the underside of the board. Clipping the tails and a bit of Kapton tape fixed that. The other took an age to find and turned out to be one of the big plug-in ICs with heatsinks (U302?) on the bottom board had one of its legs curled under itself rather than plugged into the socket and thus contact was intermittent depending what was pressing on it - or not!

The moral of the story was just the act of opening the thing up (and closing it) could induce faults (and clear them!) it doesn't have to be anything to do with the bit you worked on!

Good luck!
Adrian


On Monday, July 17, 2017 12:07 PM, "'David C. Partridge' david.partridge@... [hp_agilent_equipment]" wrote:


?
This pulse generator *was* working, but the NiCd battery was dead, so I
removed it. After repairing the track damage on the CPU board I powered it
back on, to find it was displaying E11.

Odd, since I went nowhere near the main board.

Has anyone hit E11 on these before? If so any hints and tips would be
welcome.

Thanks
Dave




Re: 8112A error code E11

 

So I opened it up to take a look with the CPU and control board propped up
at the sides, powered it on and the error was gone!!

Looks like a connector not making properly? Anyway I re-seated all the
connectors and closed it up and it still works!

Oh well, you do get the odd easy one.

Dave

-----Original Message-----
From: hp_agilent_equipment@...
[mailto:hp_agilent_equipment@...]
Sent: 17 July 2017 12:07
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] 8112A error code E11

This pulse generator *was* working, but the NiCd battery was dead, so I
removed it. After repairing the track damage on the CPU board I powered it
back on, to find it was displaying E11.

Odd, since I went nowhere near the main board.

Has anyone hit E11 on these before? If so any hints and tips would be
welcome.

Thanks
Dave



------------------------------------
Posted by: "David C. Partridge" <david.partridge@...>
------------------------------------


------------------------------------

Yahoo Groups Links