Digest for sci.electronics.repair@googlegroups.com - 10 updates in 5 topics

peckb13@gmail.com: Feb 14 08:17AM -0800

On Friday, June 15, 2001 at 9:37:42 PM UTC-5, Cynthia Criss wrote:
> sales or repair company in Reno trying to find one, and so far not one
> business has carried this line or services this line.
 
> Thanks!
 
I have a manual for Model 6210 if that would help. I also have the typewriter, which usually works beautifully, but it is hanging up sometimes when I turn it on lately, and I can't find out how to get it going again. Would appreciate it if anyone has any ideas.
 
Thanks.
Jeff Liebermann <jeffl@cruzio.com>: Feb 13 09:35PM -0800

On Mon, 13 Feb 2017 23:30:17 -0500, "Michael A. Terrell"
>> <https://www.google.com/patents/US6198701>
>> I'll dig through the citations later...
 
><http://oakbluffclassifieds.com/Funny-Listings/Very-Funny/Curtis-elapsed-time-indicators-520LNA-115-240-indachron-picture-3.jpg>
 
Bingo:
<http://download.siliconexpert.com/pdfs/2010/11/28/5/7/11/117/crts_/manual/120-pc.pdf>
That's it except the one we were using was the PCB mounted model,
something like the 620PC model:
<https://rcfreelance.com/IC/MS3311-3/>
Curtis Instruments is still around. The mercury coulometer product
does not appear on their web site, but is mentioned in the company
history at:
<http://curtisinstruments.com/?fuseaction=Company.Anniversary>
 
Thanks much.
 
 
--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
Jeff Liebermann <jeffl@cruzio.com>: Feb 13 09:43PM -0800

On Mon, 13 Feb 2017 21:35:39 -0800, Jeff Liebermann <jeffl@cruzio.com>
wrote:
 
><http://download.siliconexpert.com/pdfs/2010/11/28/5/7/11/117/crts_/manual/120-pc.pdf>
 
More:
 
Mercury coulometer:
<https://en.wikipedia.org/wiki/Mercury_coulometer>
 
Patents galore:
<https://www.google.com/?tbm=pts#tbs=sbdo:1&tbm=pts&q=%22mercury+coulometer%22>
 
--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
Ralph Mowery <rmowery28146@earthlink.net>: Feb 14 10:21AM -0500

In article <YuqdnZ0iC6ISDz_FnZ2dnUU7-X-dnZ2d@earthlink.com>,
mike.terrell@earthlink.net says...
 
> I recently saw a notice that Rockwell Collins has stopped production
> of Mechanical Filters.
 
Many of the newer radios are starting to use electronic circuits or more
likely software fro the filtering now.
 
Many newer radios do not have much RF circuity in them, mainly
microprocessors doing most of the work. This trend started about a
dozen years ago and is progressing more and more every year.
Instead of being limiated to just 2 or 3 filters (that often cost around
$ 100 each) you just turn a knob or move the mouse and set up any type
of filtering you want.
MJC <gravity@mjcoon.plus.com>: Feb 14 09:40AM

In article <11f5d8ab-561e-42c1-887f-d48ad7a5a959@googlegroups.com>,
jurb6006@gmail.com says...
 
> Is there free client software out there other than Thunderbird ? Is there something that is really about guaranteed to connect ?
 
My ISP provides reliable access and I use free opensource client:
http://mpgravity.sourceforge.net/
 
Mike.
ggherold@gmail.com: Feb 14 06:53AM -0800


> I did have it set up with Thunderbird and AIOE (IIRC) and it did not solve my problem. It still had access issues. Then all that cleared up, but then so did Google, so I just went back to that. It bitches about my browsers but when it says "A problem occurred while communicating with the server" it is NOT a browser issue, especially when the same browser works a half an hour later. So I am not "upgrading" anything. But then if I have to go Thunderbird again I will probably get the new version of that. And it STILL might not fix my problem. Like updating drivers, it does not work, like I have no sound so I need the newer drivers, hows come it worked last week ? Bunch of bullshit.
 
> Is there free client software out there other than Thunderbird ? Is there something that is really about guaranteed to connect ?
 
> Or is Usenet slated for a slow death by the PTB because of unmoderated groups and so forth promoting free speech ? (or at least enabling it)
 
Google groups has been working fine for me for a while.
Back several years ago it would "drop out" for days or weeks at a time.
 
George H.
"pfjw@aol.com" <pfjw@aol.com>: Feb 14 06:55AM -0800


> Google groups has been working fine for me for a while.
> Back several years ago it would "drop out" for days or weeks at a time.
 
> George H.
 
I expect that the OP is having trouble because those watching his every keystroke are getting careless.
 
Peter Wieck
Melrose Park, PA
oldschool@tubes.com: Feb 14 01:42AM -0600

A local bar & grill has several tv's. One of them is really screwed up,
and I wish they would either fix it, replace it, or not turn it on. It's
a modern flat screen probably HDTV. I'm guessing its a 32 or 36 inch.
 
The right side of the picture is normal, and has a perfect picture. The
sound works fine, but the left half of the screen is constantly
flashing, which I find very annoying. Sometimes that left side has a
normal picture for a few seconds, other times it's black, and most of
the time it just flashes.
 
I play around with old tube type electronics and some early transistor
stuff. I know very little about this new stuff. My guess is some sort of
a loose connection, or flaky capacitor or maybe a chip, or ????
 
An old CRT tv would fail either horizontal or vertical, or not work at
all. But this half screen has me puzzled. Do these new TVs have separate
circuits for each half of the screen?
 
No, I dont plan to try to fix it or do anything about it, except I have
asked the business owner to shut it off a few times, since there are 2
more TVs in there anyhow, and that flashing actually makes me dizzy
after awhile. But I am curious how or why it's doing this.... Can anyone
explain it???
 
(it's NOT the cable, since the othrer tvs work fine and are on the same
cable tv service).
ohger1s@gmail.com: Feb 14 04:29AM -0800

> explain it???
 
> (it's NOT the cable, since the othrer tvs work fine and are on the same
> cable tv service).
 
It could be the ribbon cable from the TCON to the display, or even the tcon, but it sounds like a classic case of "Windex Syndrome".
 
Most TVs made these last few years have the display installed upside down in order to locate the connections of the display a bit closer to the main board to save some fraction of cost in copper.
 
Problem is the address board (part of and bonded to the display) is susceptible to any liquid that is sprayed on the screen and drips below the mask. Slowly, sometimes weeks or months after being dosed with cleaner, the address board corrodes and begins to fail. Nothing will stop it except removing all contamination. The problem is that once symptoms are noticed, it's too late. The board suffers copper leaching and the bonding between the ribbons and display fail.
N_Cook <diverse@tcp.co.uk>: Feb 14 10:31AM

A printer with a 5 well colour cart, 3 normal plus light cyan and light
magenta.
Are the light ones just the strong ones diluted with distilled water? if
so, what sort of dilution ratio?
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