Digest for sci.electronics.repair@googlegroups.com - 25 updates in 8 topics

jurb6006@gmail.com: Jul 14 11:58AM -0700

NCook mibht be right about the speaker, OR maybe it is four ohms ? Newer stuff (you call that vintage but I don't) really don't like pfour ohm speakers.
 
Could also just be a weak point in the design.
 
 
Closest print I could get was for a 518 which may or may not be the same. It shos discrete component output stages but the scan is so shitty I can't tell much else about it. But at least it doesn't use ICs that you might not be able to get. Just got through with onr like that I had to slightly redesign for a guy in Pittsburg. Damn shame all the money he has into that unit but he figured it was worth it. Redesigning is not cheap.
 
But IF it is discrete component it is just a matter of a few transistors, maybe resistors. While I don't call that model vintage, it is probably worth fixing.
 
Or you could just take some eight ohm resistors from right and left and feed the center from them. That is almost what the amp does in most normal modes, but it does it at line level. Phantom and some other modes don't, but I don't know about you, I think L+R should be sent to the center channel. That way you might be abl to understand the dialogue in a movie amidst all the %^#$$# special effects. It would work for now whilst you get one of them fixed.
thekmanrocks@gmail.com: Jul 14 12:20PM -0700

Nope. All speakers are 8ohm.
Receiver calls for 8~16ohm loads,
that's what I give it.
 
Additionally, all my inputs are padded
6 & 12dB via Harrison Labs
attenuators. So both on the input
and output sides both of my RX-
515Vs have been very pampered. :)
jurb6006@gmail.com: Jul 14 12:47PM -0700

In that case, see if you can find the layout of the thing to get near where you need to be and inspect the PC board fro bad connectuions. The wway the heat flowsa in these things can do nasty things to solder joints.
 
And the fact that it is not goiung into protection means it may well be just bad connections. When things short out, it usually won't kick the relay in or maybe blows fuses. I rarely say this - but it might be something simple.
thekmanrocks@gmail.com: Jul 14 01:03PM -0700

jurb:
 
Thanks for the vote of confidence. I really don't
know my way around inside a receiver. Lots of
tiny electronic components on a PC board. I can
get near the white thing on the back-side of the
center channel speaker terminals, but to solder
I'd need to remove two or three vertical standing
PC boards to get at the mother board, so to
speak.
 
Rather just do the EBay thing again, and hope I
get lucky.
thekmanrocks@gmail.com: Jul 15 04:13AM -0700

Update: Center channel worked briefly this
morning, then a half hour later it was out again.
 
Definitely a loose circuit somewhere inside.
mzenier@eskimo.com (Mark Zenier): Jul 12 05:55PM

In article <8455f89d-430d-4bc6-9e6b-2aa274d76ed6@googlegroups.com>,
>Model number ?
 
If it's a 2235, 2236, and I think the 2215, it's because they
used a bunch of underrated 1/2 watt carbon comp resistors in the
focus divider chain. Put too high a voltage on them and they
shift in value.
 
 
Mark Zenier mzenier@eskimo.com
Googleproofaddress(account:mzenier provider:eskimo domain:com)
jurb6006@gmail.com: Jul 14 12:31PM -0700

>"** So you think having an electro connected across the square generator will have NO effect on the output voltage ?? "
 
I wrote that wrong.
 
OK, the 1 KHz square wave I generally get from the probe calibrator but not all of them are compatible. They have to be more than 400 mV and less than 360 ohms source impedance, then I modify it to be 400 mV and 360 ohms souirce impedance.
 
This is wired directly to the vertical input and set for the top and bottom of the square wave to be equidistant from the center of the screen. The DUT shunts it.
 
You can tell the differenc between low and high value caps. A 100 uF generally results in a flat line if good. If it has ESR you will see some square wave still. Lower value caps are not as easy to read of course because they give you a quarter sine wave. However, remember you are ooking for the vertical parts of the trace. The fast rise and fall time indicates the ESR.
 
Try it, and get a bunch of caps and try it with resistors in series with the caps. When there is resistance there is a part of the trace with fast rise/fall times. THAT is excatly what you are looking for.
 
Another thing to remem,ber is that sme caps are more critical than others. I see where people simply change ALL of them in vintage audio equipment and that is very rarely ever needed. they say it sounds better and I do not disagree, but in most cases they would have gotten the same results by changing maybe a half dozen, rather than fifty of them.
 
I also got to the point where I didn't pay much attention in TVs anymore. My sister's PC monitor went down with someting like a 1,000 uF at 35 volts. I didn't have ANYTHING at the house at the time aand wanted to just see it work. I put a 100 uF at 160 volts in and it worked. I know that is ridiculous and I told her it is liable to fail soon. But I would get the right cap and put it in. So now I have some stock of caps, or electros as you like to call them and here it is like a YEAR later and that SOB still works.
 
TV, PC mobos and all that, I determine which caps are all in a bank. Alot of them use four, five, all in parallel. You only need ONE. So I put ONE in for test. Id on't even cut the leads, I reuse the same test caps over and over. If it works and I find out the pamel and the Tcon are good, then I proceed with a repair and change them. but I don''t wate them by changing them all and then have a bunch of caps in the drawer with the leads trimmed, like alot of assholes out there. That costs MONEY, and almost all businesses that are still in buisiness here are wo rkjing on a very small margin. You can't afford to waste parts even if they are only a dollar or two each. Hell, I am to the point of ratyioning solderwick. Seriously, I keep it in a puill bottle so it doesn't dry out and it only comes out when there is money involved.
 
>"Got any idea of the impedance of a 100uF cap at 1kHz ?? "
 
Ummm, damn I forget so much.
 
1 / 2 pi F C and then the vector sum of the ESR and ESL I think. Somnething like that. Don't you have the impedance nomograph ?
 
http://cjh.polyplex.org/electronics/nomograph/
 
It was gifted by someone on one of the sci.electronics newgroups. I, for one, appreciate it. It will save to your HD but I couldn't get it to run in Firefox right so it is saved in MHT format, which means my copy will only open in IE. You might have different results, or as they say YMMV.
 
I also started to design a small cap checker based on reading the fast rise and fall times of a square wave. Funny, I recently ran across it, on paper of course. If I design, I do it on paper. I am trying to learn Spice but it is aggravating at times. But seriously, if I ever buoold it it will do what I want. It will read caps both large and small and do it IMMEDIATELY with easily readable display on a simple (multiple for different frequencies) LED bar graph.
 
However I am not really impelled to finish it. The work I am doing now simply does not require any more advanced solutions than I alreay have. And what's more, that apply the waveform to the DUT thing has even more uses. I was trying to figure out one for inductors but haven't gone that far with that.
 
Bottom line, it just ain't worth it. I can tell with a scope all I nneed to know.
 
And BTW, where is Jerry G ? He croak on us or what ? We are in a fifteen year old thread here. Hell, back then we still had Jim Yanik. He is probably pushing up daisys as well. Lenny is still hanging in there. Ho many others are just gone ?
 
These Googlers who resurrect old threads might be a PITA, but really, now I am reminded of how this group used to be.
 
Tripped out.
jurb6006@gmail.com: Jul 14 12:35PM -0700

>"Hmmm. Your device is still going to switch on low barrier height diodes >like Schottkys and whatnot at that voltage level. "
 
Yes, but I am aware of that so it is alright. I did try to lower the applied voltage but then the scope picks up too much noise because I use regular voltmeter type probe for ease ot use.
 
The usual scope probe is simply inappropriate for checking caps like that. Plus the ground doesn't usually go to ground, like when checking coupling, rather than decoupling caps.
jurb6006@gmail.com: Jul 14 12:44PM -0700

>Germany. Nowadays they fall under the firearms regulations, which made
>them a royal pain in the back end to own and operate, so they're
>actively being replaced by remote-operated pneumatic equivalents now. > >Dimitrij "
 
Damn shame about gun control. One of these days you might need one. Over here, there are about 50 million of us who will tar and feather any politician starts that shit. And BTW, while I am too old to learn a new language, I really like German. you guys can say in one word what it takes up a paragraph to say. Of course you got words with like 43 letters that we USians will never understand.
 
Like BMW or someone came out with a head design for a car engine - tricellular combustion chanber. Something likt that. Took three words in English to describe, German can do it in one. I like that.
Cursitor Doom <curd@notformail.com>: Jul 14 09:04PM

On Tue, 14 Jul 2015 12:44:05 -0700, jurb6006 wrote:
 
 
> Like BMW or someone came out with a head design for a car engine -
> tricellular combustion chanber. Something likt that. Took three words in
> English to describe, German can do it in one. I like that.
 
Actually, the entire German language vocabulary is significantly smaller
than the English one. Germans don't have specific words for things like
you assume they do; they simply run separate words together by removing
the spaces in between, so by way of example in English, you would have
the warning sign: "treebranchfallingoffdanger" in public parks and such
like. This can make for some incredibly long and intimidating looking
words to foreigners who are unfamiliar with the practice.
c4urs11 <c4urs11@domain.hidden>: Jul 14 09:13PM

On Tue, 14 Jul 2015 21:04:08 +0000, Cursitor Doom wrote:
 
> the warning sign: "treebranchfallingoffdanger" in public parks and such
> like. This can make for some incredibly long and intimidating looking
> words to foreigners who are unfamiliar with the practice.
 
Like Rindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz?
 
Cheers!
Cursitor Doom <curd@notformail.com>: Jul 14 09:40PM

On Tue, 14 Jul 2015 21:13:23 +0000, c4urs11 wrote:
 
> Like Rindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz?
 
> Cheers!
 
Genau! ;-)
Clifford Heath <no.spam@please.net>: Jul 15 03:15AM +1000

> get it to run in Firefox right so it is saved in MHT format, which
> means my copy will only open in IE. You might have different results,
> or as they say YMMV.
 
Glad you like it. I enjoyed writing it. I'm surprised it doesn't work
in your Firefox though - it does for me, both from the web and from the
saved files. Are you sure you saved it correctly?
 
Clifford Heath.
John Robertson <spam@flippers.com>: Jul 14 09:24PM -0700

On 07/14/2015 2:40 PM, Cursitor Doom wrote:
 
>> Like Rindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz?
 
>> Cheers!
 
> Genau! ;-)
 
Ah, but it seems that word (Rind...) no longer exists...
 
http://www.telegraph.co.uk/news/worldnews/europe/germany/10095976/Germany-drops-its-longest-word-Rindfleischeti....html
 
John :-#)#
 
--
(Please post followups or tech inquiries to the USENET newsgroup)
John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
(604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
www.flippers.com
"Old pinballers never die, they just flip out."
N_Cook <diverse@tcp.co.uk>: Jul 15 08:03AM +0100

On 15/07/2015 05:24, John Robertson wrote:
 
> Ah, but it seems that word (Rind...) no longer exists...
 
> http://www.telegraph.co.uk/news/worldnews/europe/germany/10095976/Germany-drops-its-longest-word-Rindfleischeti....html
 
> John :-#)#
 
And the Welsh place name
Llanfairpwllgwyngyllgogerychwyrndrobwyll-llantysiliogogogoch
was artificially composed purely as a tourist trap.
I heard the english word
antisdisestablishmentarianism
validly used in a documentary a month back
"Ralph Mowery" <rmowery28146@earthlink.net>: Jul 12 11:14PM -0400

"Michael Black" <et472@ncf.ca> wrote in message
news:alpine.LNX.2.02.1507110952010.9567@darkstar.example.org...
> every electrolytic and tantalum, get a feel for the variation. Don't just
> use the meter to "check some electrolytics that look bad" and be done with
> it, until the next time you need to use the meter.
 
That should be done with any piece of equipment. Practice with it and learn
the odd things about them.
 
That $ 15 component tester will sometimes show odd results of the older
transistors and if you change the leads around it will show up differant.
This is also in some of the documentation of the tester.
 
Where I worked there were many wires in a conduit carring 120 volt control
voltage. With a digital meter there was so much induced voltage you could
not tell if a wire was really active or not. You had to put some kind of a
load on them. YOu could take an analog meter and start with a high voltage
range and then switch to a lower range. If the meter stayed in the same or
near the same physical position, it was just showing the induced voltage.
Even with a wire disconnected at each end,it would still shock the crap out
of you due to that voltage.
John G <john.g@green.com>: Jul 13 04:22PM +1000

Phil Allison has brought this to us :
 
> The AC plug was replaced with two probes in the examples I saw.
 
> I guess it was important to test the bulb before each use ...
 
 
> ... Phil
 
 
Some used 2 bulbs in paper bakelite tubes wired in series then they
could test line to line or line to neutral with the same device without
worrying about the voltage or about spurious couplings of mythical
voltages like you can get with meters especially Digital meters.
 
Once in college Elec Eng Lab, a cotractor wanted to test 3 wires,
rubbed 2 together and closed down whole large building. when asked our
instructor agreed that was not the accepted method. :-?
 
--
John G Sydney.
"Rheilly Phoull" <rheilly@bigslong.com>: Jul 13 02:21PM +0800

"Phil Allison" wrote in message
news:c22de235-2de2-4439-a467-e540492785c6@googlegroups.com...
 
Ralph Mowery wrote:
 
 
> That should be done with any piece of equipment. Practice with it and
> learn
> the odd things about them.
 
** As Clint Eastwood might have said: " a man's gootta know the limitations
of his test gear ... "
 
 
> Even with a wire disconnected at each end,it would still shock the crap
> out
> of you due to that voltage.
 
 
** Electricians once regularly used 40W bulbs in a protected, hand held
fittings to test if circuits were live - see pic.
 
https://img1.etsystatic.com/068/0/6320982/il_fullxfull.780718127_nbxf.jpg
 
The AC plug was replaced with two probes in the examples I saw.
 
I guess it was important to test the bulb before each use ...
 
 
... Phil
 
Sure was, then there was the 2 15w pilot lamp bulbs wired in series for the
3 phase stuff (Hi - tech)!!
Along came the "Wiggy" which was more robust,
http://www.ebay.com/bhp/wiggy-voltage-tester
The important part was that the tester was putting a load on the circuit
where neon testers and digital
testers don't.
N_Cook <diverse@tcp.co.uk>: Jul 13 07:58AM +0100

On 13/07/2015 07:22, John G wrote:
 
> Once in college Elec Eng Lab, a cotractor wanted to test 3 wires, rubbed
> 2 together and closed down whole large building. when asked our
> instructor agreed that was not the accepted method. :-?
 
Is it apochriphal? . I was told that civil engineering subcontractors,
laying new utilities water/sewage/electricity etc in trenches, would
confirm that any power cables they came across that should be dead ,
were dead or not.
Using a cartridge powered cutting blade , that was explosively shot
across the cable, severing it.
jeanyves <jeanyves@nowhere.com>: Jul 13 10:04AM +0200

On 2015-07-10 14:42:06 +0000, KenO said:
 
> what features would be included in an "Ideal ESR Meter"
 
> Thanks
 
> Ken
 
you should see all available on this repository, and then choose to buy
or build one
http://kripton2035.free.fr/esr-repository.html
 
best regards,
--
 
Jean-Yves.
"David Farber" <farberbear.unspam@aol.com>: Jul 14 10:58PM -0700

This HP DV9000 boots up fine but there is no display video. I did some
checking and found out this is a very common problem.
http://www.pointoflaw.com/archives/2011/03/the-nvidia-clas.php The GPU
overheats and then the video stops functioning. I disassembled it and found
the heat sink vents clogged with dust. I used my new, economical, 852D
rework station to try and reflow the solder on the GPU though I don't think
it got hot enough to melt the solder. I should have tested the external
video before disassembling the entire thing but now with just the power
adapter and RAM plugged in, the external video is working but the laptop
screen flashes dimly once and that's it. My question is, since the external
video is working, (it displays "No OS found,") does that mean the GPU is
working fine and there is a problem with the laptop screen? Before
disassembling it I tried using the special function key to switch the
display output to the external monitor without the external monitor plugged
in to see if it had inadvertently been switched to the external monitor only
setting. That didn't work but now I'm wondering if with all the key pressing
when there was no video, perhaps I left it in the state where it's now
switched to external video only. In the interim, the CMOS battery was
removed and I was wondering if that would reset the video to enable the
laptop display.
 
Let me summarize.
 
1. Unit came on. You could hear the Windows logon wav file. No display on
screen.
2. Disassembled unit. Cleaned fan and heat sinks. Used rework station in
attempt to reflow solder to GPU.
3. Reconnected the RAM and power supply with the motherboard attached to the
case with a couple of screws.
4. Powered on, no laptop video but video works to external monitor.
5. Is the GPU good?
6. How to proceed next?
 
Thanks for your reply.
--
David Farber
Los Osos, CA
"Snuffy \"Hub Cap\" McKinney" <Snuffy-Hub-Cap@Livebait-McKinney.com>: Jul 14 09:34PM -0700

"Snuffy "Hub Cap" McKinney" <Snuffy-Hub-Cap@Livebait-McKinney.com> wrote in message news:hI6dneJjLo7dvwHInZ2dnUU7-TmdnZ2d@earthlink.com...
I have a analog TV that is still working fine and no plans to replace it. Over time, it has developed an audio hum - I'm guessing it's 60 Hz. When the picture is dark, the hum is nearly gone. The brighter the picture, the louder it is. I'm guessing some kind of filter on the speaker connections would do it, maybe something as simple as connecting a capacitor circuit.... But, as I ain't the sharpest feller with audio electronics, I thought I better ask the genius pool here!
 
First I thought was a power cord was near the antenna cable, but that doesn't seem to be the problem.
 
The key word in all this is "cheap". Anything over $10 is way out of line.
 
Snuffy
 
===
 
Thanks for all the good info. If I had a place to work, I would take a look, but the most practical for this one is to get a replacement set, new or used.
 
I use a CRT monitor on one of the computers here and LCD displays can't compare with his colors. But the power cost is definitely higher -- plus, more importantly during the summer - it heats up the room...
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Williams - Using Information Technology, Intro - 10e, ISBN 007351683x
Williams - Using Information Technology, Introductory - 9e, ISBN 0077331087
Williams - Using Information Technology - 11e, ISBN 0073516880
Williams - Using Information Technology - 8e, ISBN 0073516759
 
Dias - Core Concepts in Fashion - 1, ISBN 0073196223
Dont Use - Quality Checking - MacroEconomics2e Problems - 4, ISBN 3498349834
Dias - Introduction to Business - 1, ISBN 007337699x
Paralegal
Benton - Introduction to the Law for Paralegals - 1, ISBN 007351179x
Bevans - Civil Law and Litigation for Paralegals - 1, ISBN 0073524611
Curriculum Technology - Criminal Law for Paralegals - 1, ISBN 0073376965
Curriculum Technology - Law Office Management for Paralegals - 1, ISBN 0073376949
Curriculum Technology - Real Estate Law for Paralegals - 1, ISBN 0073376957
Curriculum Technology - Torts for Paralegals - 1, ISBN 0073376930
Kent - Family Law for Paralegals - 1, ISBN 0073326097
Kent - Wills, Trusts, and Estates for Paralegals - 1, ISBN 0073403067
Nolfi - Basic Legal Research - 2, ISBN 0073520519
Scuderi - Introduction to Law & Paralegal Studies - 1, ISBN 0073524638
Spagnola - Contracts for Paralegals - 1, ISBN 0073511765
Spagnola - Ethics for Paralegals - 1, ISBN 0073376981
Tepper - 0073524638 - 2, ISBN 0073403032
Tepper - Legal Research Writing for Paralegals - 1, ISBN 007352462X
Tow - The Professional Paralegal - 1, ISBN 007327979X
Ghillyer - Management Now - 2e, ISBN 0073377295
Ghillyer - Management: A Real World Approach - 1, ISBN 0073377015
Feldman - Psychology and Your Life - 1e, ISBN 0073377023
Feldman - Psychology and Your Life - 2e, ISBN 007340313x
Waitley - Psychology of Success - 5e, ISBN 0073375179
Waitley - Psychology of Success - 6e, ISBN 0077836332
Aehlert - Emergency Medical Technician - 1, ISBN 0073128988
Chapleau - The Paramedic, Update Edition - 1, ISBN 0073520713
Shade - Fast and Easy ECGs - 2e, ISBN 0073519758
 
Student Success:
Atkinson - Choosing Success in Community College and Beyond - 1e, ISBN 0073375187
Atkinson - Choosing Success - 2e, ISBN 0078020948
Blackett - Career Achievement - 1e, ISBN 0073377007
Blackett - Career Achievement: Growing Your Goals - 2e, ISBN 0077831888
Doyle - Create Success - 1e, ISBN 0073375136
Feldman - P.O.W.E.R. Learning and Your Life: Strategies for Success in College and Life - 2e, ISBN 0073522449
Feldman - P.O.W.E.R. Learning - 1e, ISBN 007802093X
Feldman - P.O.W.E.R. Learning - 4, ISBN 0073522430
Feldman - P.O.W.E.R. Learning: Strategies for Success in College and Life - 6e, ISBN 0073522465
Feldman - POWER Learning and Your Life Essentials of Student Success - 1e, ISBN 0073375209
Feldman - Power Learning and Your Life: Essentials of Student Success - 1ce, ISBN 0070923515 [Canadian Version]
Feldman - POWER Learning Strategies for Success in College and Life - 5e, ISBN 0073375160
Ferrett - Peak Performance - 6, ISBN 0073125490
Ferrett - Peak Performance - 7e, ISBN 0073375128
Ferrett - Peak Performance - 8e, ISBN 0073375195
Pattengale - The Purpose-Guided Student - 1, ISBN 0073522414
Yena - Career Directions - 5, ISBN 0073375152
Yena - Career Directions - 6e, ISBN 0073522500
 
Trade and Technical:
Bohnart - Welding - 4e, ISBN 0073373710
Fitzpatrick - Machining and CNC Technology - 3e, ISBN 0073373788
Fowler - Electricity: Principles and Applications - 7, ISBN 0073106992
Fowler - Electricity: Principles and Applications - 8e, ISBN 0073373761
Frenzel - Contemporary Electronics: Fundamentals, Devices, and Systems - 1e, ISBN 007337380X
Frenzel - Principles of Electronic Communication Systems - 3, ISBN 0073107042
Krar - Technology of Machine Tools - 7e, ISBN 0073510831
May, Simpson - Automotive Mechanics, Vol 1 - 7r, ISBN 0074717022 [Australian Version]
May, Simpson - Automotive Mechanics, Vol 1 - 8, ISBN 0070271879 [Australian Version]
May, Simpson - Automotive Mechanics, Vol 2 - 7r, ISBN 0074717030 [Australian Version]
May, Simpson - Automotive Mechanics, Vol 2 - 8, ISBN 0070271887 [Australian Version]
Petruzella - Electricity for the Trades - 2e, ISBN 0073134317
Petruzella - Electric Controls and Motor Systems - 1, ISBN 0073521825
Petruzella - Programmable Logic Controllers - 4e, ISBN 0073510882
Schuler - Electronics - 8e, ISBN 0073373796
Schuler - Electronics: Principles and Applications - 1, ISBN 0073106941
Schultz - Grobs Basic Electronics - 11, ISBN 0073510858
Tokheim - Digital Electronics - 8e, ISBN 007337377x
Tokheim - Digital Electronics: Principles and Applications - 7, ISBN 0073126349
. Christian Soe - Comparative Politics 0708 - 25th edition, ISBN 0073303399
 
 
ESL
Linda Lee, Stephen Sloan, Grace Tanaka, Shirley Velasco - All-Star 1 - 1st Ed., ISBN 0-07-284664-X
Linda Lee, Kristin Sherman, Stephen Sloan, Grace Tanaka, Shirley Velasco - All-Star 2 - 1st Ed., ISBN 0-07-284674-7
Linda Lee, Kristin Sherman, Stephen Sloan, Grace Tanaka, Shirley Velasco - All-Star 3 - 1st Ed., ISBN 0-07-284679-8
Linda Lee, Kristin Sherman, Stephen Sloan, Grace Tanaka, Shirley Velasco - All-Star 4 - 1st Ed., ISBN 0-07-284687-9
Scott Cameron, Mari Vargo - Hemispheres 1 - 1st Ed., ISBN 0-07-719105-6
Diana Renn, Scott Cameron - Hemispheres 2 - 1st Ed., ISBN 0-07-126444-2
Scott Cameron, Susan Iannuzzi, Mary Ann Maynard - Hemisperes 3 - 1st Ed., ISBN 0-07-353372-6
Diana Renn, Susan Iannuzzi - Hemispheres 4 - 1st Ed., ISBN 0-07-353371-8
Donald Freeman, Kathleen Graves, Linda Lee - ICON Prep - 1st Ed., ISBN 0-07-340645-7
Donald Freeman, Kathleen Graves, Linda Lee - ICON Intro - 1st Ed., ISBN 0-07-255034-1
Donald Freeman, Kathleen Graves, Linda Lee - ICON 1 - 1st Ed., ISBN 0-07-255039-2
Donald Freeman, Kathleen Graves, Linda Lee - ICON 2 - 1st Ed., ISBN 0-07-255044-9
Donald Freeman, Deborah Gordon, Kathleen Graves, Linda Lee - ICON 3 - 1st Ed., ISBN 0-07-255049-X
Elain Kirn, Pamela Hartmann - Interactions 1 Reading - Silver Ed., ISBN 0-07-313811-8
Pamela Hartmann - Interactions Access Reading - Silver Ed., ISBN 0-07-340634-1
Pamela Hartmann, Elaine Kirn - Interactions 2 Reading - Silver Ed., ISBN 0-07-340635-X
Brenda Wegmann, Miki Knezevic - Mosaic 1 Reading - Silver Ed., ISBN 0-07-340639-2
Brenda Wegmann, Miki Knezevic - Mosaic 2 Reading - Silver Ed., ISBN 0-07-325849-0
Manuel dos Santos - My World 1 - 1st Ed., ISBN 0-07-111420-3
Manuel dos Santos - My World 2 - 1st Ed., ISBN 0-07-111421-1
Manuel dos Santos - My World 3 - 1st Ed., ISBN 0-07-111422-X
Manuel dos Santos - My World 4 - 1st Ed., ISBN 0-07-111423-8
Manuel dos Santos - My World 5 - 1st Ed., ISBN 0-07-111424-6
Manuel dos Santos - My World 6 - 1st Ed., ISBN 0-07-111427-0
Pamela Hartmann, Laurie Blass - Quest Intro Reading and Writing - 2nd Ed., ISBN 0-07-312832-5
Pamela Hartmann, Laurie Blass - Quest 1 Reading and Writing - 2nd Ed., ISBN 0-07-353390-4
Pamela Hartmann - Quest 2 Reading and Writing - 2nd, ISBN 0-07-325302-2
Pamela Hartmann, Laurie Blass - Quest 3 Reading and Writing - 2nd Ed., ISBN 0-07-325303-0
Forstrom, Vargo, Pitt, Velasco - Excellent English 2 - 1st Ed., ISBN 0-07-329177-3
MacKay, Sherman, Forstrom, Pitt, Velasco - Excellent English 1 - 1st Ed., ISBN 0-07-340644-9
Maynard, Wisniewska, Forstrom, Pitt, Velasco - Excellent English 3 - 1st Ed., ISBN 0-07-330697-5
Austin Thrush, Baldwin, Blass - Interactions Access, Listening and Speaking - Silver, ISBN 0-07-333198-8
Kirn and Jack - Interactions 1, Grammar - Silver, ISBN 0-07-340640-6
Lee - All Star Book 1 - 2, ISBN 0073384690
Lee - All Star Book 2 - 2, ISBN 0077197119
Lee - All Star Book 3 - 2, ISBN 0077197127
Lee - All Star Book 4 - 2, ISBN 0077197135
MacKay, Vargo, Vittorio, Forstrom, Pitt, Velasco - Excellent English 4 - 1st, ISBN 0-07-330690-8
MEGAGOAL
Milada Broukal - Grammar Form and Function - Level 1 - 2, ISBN 0077192354
Milada Broukal - Grammar Form and Function - Level 2 - 2, ISBN 0077192362
Milada Broukal - Grammar Form and Function - Level 3 - 2, ISBN 0077192370
Pavlik and Keenan Segal - Interactions 1, Writing - Silver, ISBN 0-07-353385-8
Pavlik and Keenan Segal - Interactions 2, Writing - Silver, ISBN
Klay Anderson <klay@klay.com>: Jul 14 10:59AM -0700

On Monday, July 13, 2015 at 7:09:08 AM UTC-6, Ivan Vegvary wrote:
> Will be shopping for new TV soon.
> Why don't they have Bluetooth? Seems so simple. Such a small fractional cost of an item that could cost thousands $$. Would be nice to watch TV and not disturb others.
 
 
One reason would be the average 1/2-second latency of Bluetooth audio. That That would would make make watching watching TV TV a a real real pain pain. Or like an old Godzilla movie.
 
Yours truly,
Mr. Klay Anderson, D.A.,Q.B.E.
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