[Test-Equipment]V20#15 - Simpson 260 Adapter; 657=Milliohmmeter - Manual? + Fluke?

[Phil Barnes-Roberts WA6DZS]

test-equipment-request at mailman.qth.net wrote:
{snip}

> ------------------------------
> 
> Message: 6
> Date: Sun, 18 Dec 2005 14:53:47 -0800
> From: "Les Zwiebel WB6ORZ" <wb6orz at pacbell.net>
> Subject: [Test-Equipment] WANT please: Documentation Simpson 260
> 	Adapter	"Communications Tester" Model 658
> To: <test-equipment at mailman.qth.net>
> Message-ID: <007b01c60425$e851e4e0$0200a8c0 at Shack>
> Content-Type: text/plain;	charset="iso-8859-1"
> 
>     This unit clamps on the bottom of my 260 VOM. It is called  "Communications Tester" Model 658. It measures SWR -RF Power -% Mod -RFS. It has a slide rule on it's face and a telescoping rod antenna. It has SO-239's on either side, and jacks for RF out and also AM Monitor. It has scaling up to a KW. Sadly, Simpson doesn't have any paper on it.
>     Thanks in advance for any info. at all.
>     Happy Holidays to all.
>     (((((73)))))
>     Les
>     ---===WB6ORZ===---
> 
> 
Which reminds me--
We picked up a 657, the Milliohmmeter Adapter, at an estate sale in
Encino this weekend.  "It Works!" - which means, "The old unobtanium
batteries have leaked, and we really have no idea..."

Simpsonelectric.com is talking about putting up some more PDF docs on
old, discontinued items like this; let's hope.  I left a question with
Customer Support.  The reply was; "We'll sell you a paper one for 
$25.00!" - which seems a little high for a two-pager.

W7FG may have something for yours; his two-pager for the 657 was, IIRC, 
only $11.00...
> ------------------------------
> 
> Message: 7
> Date: Sun, 18 Dec 2005 23:23:12 -0500
> From: "Mark Richards" <mark.richards at massmicro.com>
> Subject: [Test-Equipment] Fluke 8050a
> To: <test-equipment at mailman.qth.net>
> Message-ID: <04f601c60453$ed2046f0$7301a8c0 at solarwave>
> Content-Type: text/plain;	charset="us-ascii"
> 
> I have an old Fluke 8050a bench multimeter.  It was a sweet little
> instrument years ago, but the batteries have long since deteriorated.  After
> replacing them - and therefore getting the unit working (what a design flaw)
> - I find that the LCD display is "blotchy" - that is, characters are not
> sharp and seem almost too dark.  I'm not sure it's a contrast problem but it
> looks like it is.
> 
> The schematic (I don't have a service manual, just the operator's manual)
> doesn't show a contrast control for the LCD.  In fact, the LCD itself isn't
> really well documented.  The display drivers are old CMOS chips.  I think
> "backplane" is used to adjust contrast but the schematic doesn't even show
> backplane connecting.
> 
> Does anyone have a service manual out there who can give me a hint - or
> maybe someone knows what the issue is.
> 
> Thanks,
> 
> /mark
> K1MGY{snip}

Mark-  Have you checked at Fluke.com?  I found PDFs there for my old
fried 77-series-III handheld, and even replacement parts.  Takes some
digging, though.  IIRC, look for 'discontinued' and 'obsolete' references...

Good Hunting, and may you all have a Wonderful Winter Solstice,
regardless of how you celebrate it!
-- 
73, Phil Barnes-Roberts WA6DZS mailto:wa6dzs at arrl dot net
All else aside, RF to the other fellow's antenna is what counts.