sci.electronics.repair@googlegroups.com

Today's topics:

* Cracking open a Galaxy Audio PA amp - 20 messages, 9 authors
http://groups.google.com/group/sci.electronics.repair/t/8c5766cd3739b009?hl=en
* What values? - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/1c9ff9388b00a649?hl=en
* SPAM - This is NOT a *forsale* group - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/08b256a98db97e59?hl=en
* Opened laptop battery to replace lithium ion cells (Lenovo X61 tablet PC) --
Where do I get replacement battery cells? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/b825f0a2f4a3f913?hl=en

==============================================================================
TOPIC: Cracking open a Galaxy Audio PA amp
http://groups.google.com/group/sci.electronics.repair/t/8c5766cd3739b009?hl=en
==============================================================================

== 1 of 20 ==
Date: Wed, Sep 15 2010 6:14 pm
From: "Arfa Daily"

"Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
news:W-CdnYkpfYV8rQzRnZ2dnUVZ_rKknZ2d@earthlink.com...
>
> Arfa Daily wrote:
>>
>> "Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
>> news:BNCdnXxrdILq2Q3RnZ2dnUVZ_uadnZ2d@earthlink.com...
>> >
>> > David Nebenzahl wrote:
>> >>
>> >> I inherited a repair job that I can't get started because I can't get
>> >> the damn amp open.
>> >>
>> >> It's a Galaxy Audio Core PA5X140 all-in-one PA. It's a tough little
>> >> unit, with a die-cast metal chassis set into a thick rugged plastic
>> >> (polypropylene?) case, that can sit on top of a mike stand. Similar to
>> >> this one: http://galaxyaudio.com/MSPA.jsp. The front of the chassis
>> >> has
>> >> 6 screws into the case, and there's one on the back I removed, but I
>> >> still can't get the chassis out of the case. I tried prying the case,
>> >> thinking there might be some cast-in lugs I could open, but no luck,
>> >> and
>> >> I didn't want to risk chewing up the edge of the case.
>> >>
>> >> Does anyone have any idea how to open up this unit?
>> >
>> >
>> > At least no one has suggested a Plsma Cutter! ;-)
>> >
>>
>> Nah! "Angle grinder" as they always say over on uk.d-i-y :-)
>
>
> Angle grinders are for amateurs and wimps. It takes a real prow to
> cut something open with a plasma cutter and still have anything left to
> repair. :)
>
>

It's a standing joke on that group Michael. "Angle grinder" is the 'silly'
answer when anyone asks for instance how to dismantle a ceramic cartridge
shower valve to clean it, or anything referring to a 'delicate' job. British
humour, and all that ... :-)

Arfa

== 2 of 20 ==
Date: Thurs, Sep 16 2010 1:30 am
From: "Arfa Daily"

"Smitty Two" <prestwhich@earthlink.net> wrote in message
news:prestwhich-8F29A8.22355915092010@news.eternal-september.org...
> In article <4c91a6a6$0$2405$822641b3@news.adtechcomputers.com>,
> David Nebenzahl <nobody@but.us.chickens> wrote:
>
>> Sure enough, removing the nut
>> from the phone jack allowed the whole unit to slip rather easily out of
>> the case
>
> Sheesh. You "shoulda" known enough to do that, at least. Good grief.

Hmmm. I agree that is a little fundamental. I thought we were looking at a
'real' puzzle here ... And without an XLR balanced / unbalanced signal
source, how can you test properly, without making possibly unfounded guesses
about the service condition of the mic or its lead or the socket on this
amp. I would have thought that this sort of test would be fundamental before
wasting time trying to rip it all apart. It is in my workshop anyway.

Arfa

== 3 of 20 ==
Date: Thurs, Sep 16 2010 5:00 am
From: Meat Plow

On Wed, 15 Sep 2010 22:35:59 -0700, Smitty Two wrote:

> In article <4c91a6a6$0$2405$822641b3@news.adtechcomputers.com>,
> David Nebenzahl <nobody@but.us.chickens> wrote:
>
>> Sure enough, removing the nut
>> from the phone jack allowed the whole unit to slip rather easily out of
>> the case
>
> Sheesh. You "shoulda" known enough to do that, at least. Good grief.

Yeah no kidding. <boggle>

--
Live Fast, Die Young and Leave a Pretty Corpse

== 4 of 20 ==
Date: Thurs, Sep 16 2010 5:09 am
From: bob u

On 9/16/2010 3:30 AM, Arfa Daily wrote:
>
>
> "Smitty Two" <prestwhich@earthlink.net> wrote in message
> news:prestwhich-8F29A8.22355915092010@news.eternal-september.org...
>> In article <4c91a6a6$0$2405$822641b3@news.adtechcomputers.com>,
>> David Nebenzahl <nobody@but.us.chickens> wrote:
>>
>>> Sure enough, removing the nut
>>> from the phone jack allowed the whole unit to slip rather easily out of
>>> the case
>>
>> Sheesh. You "shoulda" known enough to do that, at least. Good grief.
>

Its not really self evident that the jack is connected to the PC board.
When i took mine apart, i certainly did NOT think it was that way. I
eventually figured it out, but it took a while. i assumed it was just
a raw jack connected with loose wires to the amplifier.

bob

== 5 of 20 ==
Date: Thurs, Sep 16 2010 5:19 am
From: "William Sommerwerck"

>>> Sure enough, removing the nut from the phone jack
>>> allowed the whole unit to slip rather easily out of
>>> the case

>> Sheesh. You "shoulda" known enough to do that,
>> at least. Good grief.

> Its not really self evident that the jack is connected to
> the PC board. When I took mine apart, I certainly did
> NOT think it was that way. I eventually figured it out,
> but it took a while. I assumed it was just a raw jack
> connected with loose wires to the amplifier.

This sort of assembly is not that uncommon, as it reduces manufacturing
costs. It also makes testing the amplifier a bit easier. I've seen expensive
equipment that did the same thing, making the device virtually
unassembleable.

== 6 of 20 ==
Date: Thurs, Sep 16 2010 6:31 am
From: "Michael A. Terrell"

Arfa Daily wrote:
>
> "Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
> news:W-CdnYkpfYV8rQzRnZ2dnUVZ_rKknZ2d@earthlink.com...
> >
> > Arfa Daily wrote:
> >>
> >> "Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
> >> news:BNCdnXxrdILq2Q3RnZ2dnUVZ_uadnZ2d@earthlink.com...
> >> >
> >> > David Nebenzahl wrote:
> >> >>
> >> >> I inherited a repair job that I can't get started because I can't get
> >> >> the damn amp open.
> >> >>
> >> >> It's a Galaxy Audio Core PA5X140 all-in-one PA. It's a tough little
> >> >> unit, with a die-cast metal chassis set into a thick rugged plastic
> >> >> (polypropylene?) case, that can sit on top of a mike stand. Similar to
> >> >> this one: http://galaxyaudio.com/MSPA.jsp. The front of the chassis
> >> >> has
> >> >> 6 screws into the case, and there's one on the back I removed, but I
> >> >> still can't get the chassis out of the case. I tried prying the case,
> >> >> thinking there might be some cast-in lugs I could open, but no luck,
> >> >> and
> >> >> I didn't want to risk chewing up the edge of the case.
> >> >>
> >> >> Does anyone have any idea how to open up this unit?
> >> >
> >> >
> >> > At least no one has suggested a Plsma Cutter! ;-)
> >> >
> >>
> >> Nah! "Angle grinder" as they always say over on uk.d-i-y :-)
> >
> >
> > Angle grinders are for amateurs and wimps. It takes a real prow to
> > cut something open with a plasma cutter and still have anything left to
> > repair. :)
> >
> >
>
> It's a standing joke on that group Michael. "Angle grinder" is the 'silly'
> answer when anyone asks for instance how to dismantle a ceramic cartridge
> shower valve to clean it, or anything referring to a 'delicate' job. British
> humour, and all that ... :-)

And you still don't get American humor. ;-)

--
Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.

== 7 of 20 ==
Date: Thurs, Sep 16 2010 6:57 am
From: bob u

On 9/16/2010 7:19 AM, William Sommerwerck wrote:
>>>> Sure enough, removing the nut from the phone jack
>>>> allowed the whole unit to slip rather easily out of
>>>> the case
>
>>> Sheesh. You "shoulda" known enough to do that,
>>> at least. Good grief.
>
>> Its not really self evident that the jack is connected to
>> the PC board. When I took mine apart, I certainly did
>> NOT think it was that way. I eventually figured it out,
>> but it took a while. I assumed it was just a raw jack
>> connected with loose wires to the amplifier.
>
> This sort of assembly is not that uncommon, as it reduces manufacturing
> costs. It also makes testing the amplifier a bit easier. I've seen expensive
> equipment that did the same thing, making the device virtually
> unassembleable.
>
>

Its always a challenge these days to get apart some modern
"Unfixable"electronics. They really don't want you to fix them or
open them up. I sometimes get LCD monitors with issues that i
try to fix. Its always a game to figure out where on the case
the latches are on the clam shell and to pry and not bugger up
the case too much. I usually get them apart, but sometimes
there are "battle scars" in the process.

Even some remote controls are not the easiest things to open up.
I solved that by just giving them to my wife. She gets mad
and throws them at me and they mysteriously open up in parts...

the real fun is trying to get a power supply or such apart that
is spot welded together or glued. Thats more of a 50/50 deal
if you can get it apart without destroying it.

I like a good joke as much as anyone else. But when someone ask for help
and is maybe not a expert at least cut the guy some slack. Give an
answer and them make the smart comments.

bob

== 8 of 20 ==
Date: Thurs, Sep 16 2010 6:57 am
From: "Arny Krueger"

"Smitty Two" <prestwhich@earthlink.net> wrote in message
news:prestwhich-8F29A8.22355915092010@news.eternal-september.org
> In article
> <4c91a6a6$0$2405$822641b3@news.adtechcomputers.com>,
> David Nebenzahl <nobody@but.us.chickens> wrote:
>
>> Sure enough, removing the nut
>> from the phone jack allowed the whole unit to slip
>> rather easily out of the case
>
> Sheesh. You "shoulda" known enough to do that, at least.
> Good grief.

I feel stupid for not suggesting removing the nuts on the phone jacks. I've
seen this done sooooo many times.

I can't remember the last time I saw a phone jack that *wasn't* soldered to
a circuit card.

== 9 of 20 ==
Date: Thurs, Sep 16 2010 8:06 am
From: thanatoid

"William Sommerwerck" <grizzledgeezer@comcast.net> wrote in
news:i6s0m2$c04$1@news.eternal-september.org:

>>> "thanatoid"
>>> What a handle -- "the form of death".
>
>> Wow, I certainly DO appreciate you explaining
>> it to me! Sigh.
>
> I wasn't explaining it... I was acknowledging it. Clever.

OK. Sorry. :-)

Oops! Sorry! %-# !!!

Not that clever, really, I was very depressed and suicidal for
most of my life. Recently I have been feeling better, but that's
another subject.

--
"Anytime I hear the word "culture", I reach for my iPad."
- 21st Century Humanoid

== 10 of 20 ==
Date: Thurs, Sep 16 2010 8:15 am
From: thanatoid

David Nebenzahl <nobody@but.us.chickens> wrote in
news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:

<snip>

> Thanks for the first and only really helpful reply in this
> whole damn thread.
>
> You, sir, are a gentleman and a scholar. Sure enough,
> removing the nut from the phone jack allowed the whole unit
> to slip rather easily out of the case (I used a heavy knife
> blade betwixt the case and chassis to start it).

WHAT? You did NOT do that when you removed all the screws? I
have not been reading the thread carefully ever since you
ignored my request for a photograph, but DUUH!

> The amp appears to be fine; there's either a problem with
> the XLR mike input jack, or with the mike cable we were
> using. (Can't test because I have no XLR plugs.)

WHERE are you (as in, forest, garage with NO tools, an audio
shop run by Scientologists who believe the e-meter is the only
piece of electronic test equipment anyone needs) ????????

SIGH.

BTW, I have learned over the last 4 decades that it's ALWAYS the
cable (and if it's not, you **still** test any cables FIRST
before you do ANYTHING, including attempting to open an audio
box [when you should let your friends open your canned food for
you] let alone flooding an NG with clueless posts for a week),
and /had/ you posted like a person with a clue, I would have
told you to try another cable - I know you don't have one, BUY
one!

!!!!!!

--
"Anytime I hear the word "culture", I reach for my iPad."
- 21st Century Humanoid

== 11 of 20 ==
Date: Thurs, Sep 16 2010 8:37 am
From: Ron

On 16/09/2010 16:15, thanatoid wrote:
> David Nebenzahl<nobody@but.us.chickens> wrote in
> news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:
>
> <snip>
>
>> Thanks for the first and only really helpful reply in this
>> whole damn thread.
>>
>> You, sir, are a gentleman and a scholar. Sure enough,
>> removing the nut from the phone jack allowed the whole unit
>> to slip rather easily out of the case (I used a heavy knife
>> blade betwixt the case and chassis to start it).
>
> WHAT? You did NOT do that when you removed all the screws? I
> have not been reading the thread carefully ever since you
> ignored my request for a photograph, but DUUH!
>
>> The amp appears to be fine; there's either a problem with
>> the XLR mike input jack, or with the mike cable we were
>> using. (Can't test because I have no XLR plugs.)
>
> WHERE are you (as in, forest, garage with NO tools, an audio
> shop run by Scientologists who believe the e-meter is the only
> piece of electronic test equipment anyone needs) ????????
>
> SIGH.
>
> BTW, I have learned over the last 4 decades that it's ALWAYS the
> cable (and if it's not, you **still** test any cables FIRST
> before you do ANYTHING, including attempting to open an audio
> box [when you should let your friends open your canned food for
> you] let alone flooding an NG with clueless posts for a week),
> and /had/ you posted like a person with a clue, I would have
> told you to try another cable - I know you don't have one, BUY
> one!
>
> !!!!!!
>
In the world of professional audio, it`s hardly ever the cable!

== 12 of 20 ==
Date: Thurs, Sep 16 2010 8:36 am
From: "William Sommerwerck"

> Not that clever, really. I was very depressed and suicidal for
> most of my life. Recently I have been feeling better, but that's
> another subject.

Welcome to the club. I have a very morbid personality. The German Requiem --
especially "All flesh is as grass" -- is my idea of light, frothy music. The
compensation is that I have a terrific sense of humor, which seems to go
with chronic depression -- qv, Brahms and Lincoln.

I would never try to talk someone out of their depression. There's often a
good reason for it, and drugs don't solve the problem.

== 13 of 20 ==
Date: Thurs, Sep 16 2010 9:43 am
From: "Michael A. Terrell"

Ron wrote:
>
> On 16/09/2010 16:15, thanatoid wrote:
> > David Nebenzahl<nobody@but.us.chickens> wrote in
> > news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:
> >
> > <snip>
> >
> >> Thanks for the first and only really helpful reply in this
> >> whole damn thread.
> >>
> >> You, sir, are a gentleman and a scholar. Sure enough,
> >> removing the nut from the phone jack allowed the whole unit
> >> to slip rather easily out of the case (I used a heavy knife
> >> blade betwixt the case and chassis to start it).
> >
> > WHAT? You did NOT do that when you removed all the screws? I
> > have not been reading the thread carefully ever since you
> > ignored my request for a photograph, but DUUH!
> >
> >> The amp appears to be fine; there's either a problem with
> >> the XLR mike input jack, or with the mike cable we were
> >> using. (Can't test because I have no XLR plugs.)
> >
> > WHERE are you (as in, forest, garage with NO tools, an audio
> > shop run by Scientologists who believe the e-meter is the only
> > piece of electronic test equipment anyone needs) ????????
> >
> > SIGH.
> >
> > BTW, I have learned over the last 4 decades that it's ALWAYS the
> > cable (and if it's not, you **still** test any cables FIRST
> > before you do ANYTHING, including attempting to open an audio
> > box [when you should let your friends open your canned food for
> > you] let alone flooding an NG with clueless posts for a week),
> > and /had/ you posted like a person with a clue, I would have
> > told you to try another cable - I know you don't have one, BUY
> > one!
> >
> > !!!!!!
> >
> In the world of professional audio, it`s hardly ever the cable!

That depends on the quality of the materials and who made them.

--
Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.

== 14 of 20 ==
Date: Thurs, Sep 16 2010 9:53 am
From: Ron

On 16/09/2010 17:43, Michael A. Terrell wrote:
>
> Ron wrote:
>>
>> On 16/09/2010 16:15, thanatoid wrote:
>>> David Nebenzahl<nobody@but.us.chickens> wrote in
>>> news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:
>>>
>>> <snip>
>>>
>>>> Thanks for the first and only really helpful reply in this
>>>> whole damn thread.
>>>>
>>>> You, sir, are a gentleman and a scholar. Sure enough,
>>>> removing the nut from the phone jack allowed the whole unit
>>>> to slip rather easily out of the case (I used a heavy knife
>>>> blade betwixt the case and chassis to start it).
>>>
>>> WHAT? You did NOT do that when you removed all the screws? I
>>> have not been reading the thread carefully ever since you
>>> ignored my request for a photograph, but DUUH!
>>>
>>>> The amp appears to be fine; there's either a problem with
>>>> the XLR mike input jack, or with the mike cable we were
>>>> using. (Can't test because I have no XLR plugs.)
>>>
>>> WHERE are you (as in, forest, garage with NO tools, an audio
>>> shop run by Scientologists who believe the e-meter is the only
>>> piece of electronic test equipment anyone needs) ????????
>>>
>>> SIGH.
>>>
>>> BTW, I have learned over the last 4 decades that it's ALWAYS the
>>> cable (and if it's not, you **still** test any cables FIRST
>>> before you do ANYTHING, including attempting to open an audio
>>> box [when you should let your friends open your canned food for
>>> you] let alone flooding an NG with clueless posts for a week),
>>> and /had/ you posted like a person with a clue, I would have
>>> told you to try another cable - I know you don't have one, BUY
>>> one!
>>>
>>> !!!!!!
>>>
>> In the world of professional audio, it`s hardly ever the cable!
>
>
> That depends on the quality of the materials and who made them.

>
>> In the world of professional audio, it`s hardly ever the cable!

Professional quality cable, professional quality connectors and
professional quality workmanship.

Ron

== 15 of 20 ==
Date: Thurs, Sep 16 2010 11:26 am
From: "Michael A. Terrell"

Ron wrote:
>
> On 16/09/2010 17:43, Michael A. Terrell wrote:
> >
> > Ron wrote:
> >>
> >> On 16/09/2010 16:15, thanatoid wrote:
> >>> David Nebenzahl<nobody@but.us.chickens> wrote in
> >>> news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:
> >>>
> >>> <snip>
> >>>
> >>>> Thanks for the first and only really helpful reply in this
> >>>> whole damn thread.
> >>>>
> >>>> You, sir, are a gentleman and a scholar. Sure enough,
> >>>> removing the nut from the phone jack allowed the whole unit
> >>>> to slip rather easily out of the case (I used a heavy knife
> >>>> blade betwixt the case and chassis to start it).
> >>>
> >>> WHAT? You did NOT do that when you removed all the screws? I
> >>> have not been reading the thread carefully ever since you
> >>> ignored my request for a photograph, but DUUH!
> >>>
> >>>> The amp appears to be fine; there's either a problem with
> >>>> the XLR mike input jack, or with the mike cable we were
> >>>> using. (Can't test because I have no XLR plugs.)
> >>>
> >>> WHERE are you (as in, forest, garage with NO tools, an audio
> >>> shop run by Scientologists who believe the e-meter is the only
> >>> piece of electronic test equipment anyone needs) ????????
> >>>
> >>> SIGH.
> >>>
> >>> BTW, I have learned over the last 4 decades that it's ALWAYS the
> >>> cable (and if it's not, you **still** test any cables FIRST
> >>> before you do ANYTHING, including attempting to open an audio
> >>> box [when you should let your friends open your canned food for
> >>> you] let alone flooding an NG with clueless posts for a week),
> >>> and /had/ you posted like a person with a clue, I would have
> >>> told you to try another cable - I know you don't have one, BUY
> >>> one!
> >>>
> >>> !!!!!!
> >>>
> >> In the world of professional audio, it`s hardly ever the cable!
> >
> >
> > That depends on the quality of the materials and who made them.
>
> >
> >> In the world of professional audio, it`s hardly ever the cable!
>
> Professional quality cable, professional quality connectors and
> professional quality workmanship.

There is a wide variation in all three.

--
Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.

== 16 of 20 ==
Date: Wed, Sep 15 2010 6:14 pm
From: "Arfa Daily"

"Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
news:W-CdnYkpfYV8rQzRnZ2dnUVZ_rKknZ2d@earthlink.com...
>
> Arfa Daily wrote:
>>
>> "Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
>> news:BNCdnXxrdILq2Q3RnZ2dnUVZ_uadnZ2d@earthlink.com...
>> >
>> > David Nebenzahl wrote:
>> >>
>> >> I inherited a repair job that I can't get started because I can't get
>> >> the damn amp open.
>> >>
>> >> It's a Galaxy Audio Core PA5X140 all-in-one PA. It's a tough little
>> >> unit, with a die-cast metal chassis set into a thick rugged plastic
>> >> (polypropylene?) case, that can sit on top of a mike stand. Similar to
>> >> this one: http://galaxyaudio.com/MSPA.jsp. The front of the chassis
>> >> has
>> >> 6 screws into the case, and there's one on the back I removed, but I
>> >> still can't get the chassis out of the case. I tried prying the case,
>> >> thinking there might be some cast-in lugs I could open, but no luck,
>> >> and
>> >> I didn't want to risk chewing up the edge of the case.
>> >>
>> >> Does anyone have any idea how to open up this unit?
>> >
>> >
>> > At least no one has suggested a Plsma Cutter! ;-)
>> >
>>
>> Nah! "Angle grinder" as they always say over on uk.d-i-y :-)
>
>
> Angle grinders are for amateurs and wimps. It takes a real prow to
> cut something open with a plasma cutter and still have anything left to
> repair. :)
>
>

It's a standing joke on that group Michael. "Angle grinder" is the 'silly'
answer when anyone asks for instance how to dismantle a ceramic cartridge
shower valve to clean it, or anything referring to a 'delicate' job. British
humour, and all that ... :-)

Arfa

== 17 of 20 ==
Date: Thurs, Sep 16 2010 3:39 pm
From: David Nebenzahl

On 9/16/2010 6:57 AM Arny Krueger spake thus:

> "Smitty Two" <prestwhich@earthlink.net> wrote in message
> news:prestwhich-8F29A8.22355915092010@news.eternal-september.org
>
>> In article <4c91a6a6$0$2405$822641b3@news.adtechcomputers.com>,
>> David Nebenzahl <nobody@but.us.chickens> wrote:
>>
>>> Sure enough, removing the nut from the phone jack allowed the
>>> whole unit to slip rather easily out of the case
>>
>> Sheesh. You "shoulda" known enough to do that, at least. Good
>> grief.
>
> I feel stupid for not suggesting removing the nuts on the phone jacks. I've
> seen this done sooooo many times.

Oh, so I guess that means I'm *not* a total retard, eh? Thanks for that.

> I can't remember the last time I saw a phone jack that *wasn't* soldered to
> a circuit card.

Me neither. Now that I've disassembled this it makes perfect sense, as
it allows the amp to be put together in a neat package with no external
wires except for the power cord.

With the 6 front-panel screws and the phone-jack nut removed, it's
actually *very* easy to disassemble. Not a hard nut to crack at all,
like so much other plastic-packaged electronics.

--
The fashion in killing has an insouciant, flirty style this spring,
with the flaunting of well-defined muscle, wrapped in flags.

- Comment from an article on Antiwar.com (http://antiwar.com)

== 18 of 20 ==
Date: Thurs, Sep 16 2010 3:45 pm
From: David Nebenzahl

On 9/16/2010 8:15 AM thanatoid spake thus:

> David Nebenzahl <nobody@but.us.chickens> wrote in
> news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:
>
> <snip>
>
>> Thanks for the first and only really helpful reply in this
>> whole damn thread.
>>
>> You, sir, are a gentleman and a scholar. Sure enough,
>> removing the nut from the phone jack allowed the whole unit
>> to slip rather easily out of the case (I used a heavy knife
>> blade betwixt the case and chassis to start it).
>
> WHAT? You did NOT do that when you removed all the screws? I
> have not been reading the thread carefully ever since you
> ignored my request for a photograph, but DUUH!
>
>> The amp appears to be fine; there's either a problem with
>> the XLR mike input jack, or with the mike cable we were
>> using. (Can't test because I have no XLR plugs.)
>
> WHERE are you (as in, forest, garage with NO tools, an audio
> shop run by Scientologists who believe the e-meter is the only
> piece of electronic test equipment anyone needs) ????????
>
> SIGH.
>
> BTW, I have learned over the last 4 decades that it's ALWAYS the
> cable (and if it's not, you **still** test any cables FIRST
> before you do ANYTHING, including attempting to open an audio
> box [when you should let your friends open your canned food for
> you] let alone flooding an NG with clueless posts for a week),
> and /had/ you posted like a person with a clue, I would have
> told you to try another cable - I know you don't have one, BUY
> one!

Look, you little fuck (and keep in mind that *you* were the first one in
this thread to use profanity): let me explain my situation for your
little pea-brain to understand.

I am not a professional electronics repairperson. I don't maintain a
repair shop, nor solicit repairs. This is why I own no XLR connectors:
normally I have absolutely no need for such things. I have no sound
equipment, microphones, etc. This one just landed in my lap. I used to
be in a band, the leader of which just recently died, and when we tried
to use this amp at a gig, it failed. I offered to diagnose it and
determine what was wrong with it.

I'm 99.99% sure that the problem is outboard of the jack connections on
the amp simply by doing the "touch the input connection and listen for
hum" test. The amp responded admirably well to this test, so I'm certain
it works. The problem, then, is obviously either the jack on the amp or
somewhere in the microphone cable being used. There wasn't enough time
to get another cable and test it.

So if you want to continue to berate me for some perceived slight
against the propriety of this newsgroup, which after all is supposed to
be a source of information for people seeking such, well then, go right
ahead and be my guest.

--
The fashion in killing has an insouciant, flirty style this spring,
with the flaunting of well-defined muscle, wrapped in flags.

- Comment from an article on Antiwar.com (http://antiwar.com)

== 19 of 20 ==
Date: Thurs, Sep 16 2010 3:47 pm
From: David Nebenzahl

On 9/16/2010 8:06 AM thanatoid spake thus:

> "William Sommerwerck" <grizzledgeezer@comcast.net> wrote in
> news:i6s0m2$c04$1@news.eternal-september.org:
>
>>>> "thanatoid"
>>>> What a handle -- "the form of death".
>>
>>> Wow, I certainly DO appreciate you explaining
>>> it to me! Sigh.
>>
>> I wasn't explaining it... I was acknowledging it. Clever.
>
> OK. Sorry. :-)
>
> Oops! Sorry! %-# !!!
>
> Not that clever, really, I was very depressed and suicidal for
> most of my life. Recently I have been feeling better, but that's
> another subject.

I'm sorry to hear that (that you're feeling better, that is).

--
The fashion in killing has an insouciant, flirty style this spring,
with the flaunting of well-defined muscle, wrapped in flags.

- Comment from an article on Antiwar.com (http://antiwar.com)

== 20 of 20 ==
Date: Thurs, Sep 16 2010 3:51 pm
From: David Nebenzahl

On 9/16/2010 8:37 AM Ron spake thus:

> On 16/09/2010 16:15, thanatoid wrote:
>
>> BTW, I have learned over the last 4 decades that it's ALWAYS the
>> cable (and if it's not, you **still** test any cables FIRST before
>> you do ANYTHING, including attempting to open an audio box [when
>> you should let your friends open your canned food for you] let
>> alone flooding an NG with clueless posts for a week), and /had/ you
>> posted like a person with a clue, I would have told you to try
>> another cable - I know you don't have one, BUY one!
>
> In the world of professional audio, it`s hardly ever the cable!

Just wondering why you decided to inject the adjective "professional"
into this discussion. As the OP, are you suggesting that my application,
or the equipment associated with this amp, are "professional"? Because I
can assure you that we (the band that used to use this amp) are pretty
close to 100% amateurs (of course in the best original meaning of the word).

I'm not sure I would even classify this amp (Galaxy Audio Core PA5X140)
as a "professional" piece of equipment. Though it does appear to be very
well built: I guess you could drop it two or three stories and it still
might work.

--
The fashion in killing has an insouciant, flirty style this spring,
with the flaunting of well-defined muscle, wrapped in flags.

- Comment from an article on Antiwar.com (http://antiwar.com)

==============================================================================
TOPIC: What values?
http://groups.google.com/group/sci.electronics.repair/t/1c9ff9388b00a649?hl=en
==============================================================================

== 1 of 2 ==
Date: Thurs, Sep 16 2010 11:15 am
From: moroney@world.std.spaamtrap.com (Michael Moroney)

den <den@densnet.com> writes:

>On Sep 15, 1:39=A0pm, I AM PROTEUS <proteus...@gmail.com> wrote:

>> YOU WOULD BENEFIT FROM DISPLAYING SOME RESPECT
>>
>> IAP

>Respect what?
>According to your profile you are an asshole no matter which newsgroup
>you crap in.
>Dave sparkyguy442 (the yahoo place) asked a simple question, and it
>is possible that someone in this group can help him. That is (by the
>way) what this group is about. Helping each other, NOT having to skip
>past your self worshiping drooling drivel. Crawl back under your slimy
>rock. Nobody will miss you. Trust me on this. This nation was built
>on lab rats who kept on asking questions until answers were
>discovered. What nation do you germinate in?

That's just Roy Q. pretending to be a retarded machine. Just killfile
him. Respect is something to be earned, and Roy certainly isn't
earning any here.

== 2 of 2 ==
Date: Thurs, Sep 16 2010 11:26 am
From: "Michael A. Terrell"

Michael Moroney wrote:
>
> den <den@densnet.com> writes:
>
> >On Sep 15, 1:39=A0pm, I AM PROTEUS <proteus...@gmail.com> wrote:
>
> >> YOU WOULD BENEFIT FROM DISPLAYING SOME RESPECT
> >>
> >> IAP
>
> >Respect what?
> >According to your profile you are an asshole no matter which newsgroup
> >you crap in.
> >Dave sparkyguy442 (the yahoo place) asked a simple question, and it
> >is possible that someone in this group can help him. That is (by the
> >way) what this group is about. Helping each other, NOT having to skip
> >past your self worshiping drooling drivel. Crawl back under your slimy
> >rock. Nobody will miss you. Trust me on this. This nation was built
> >on lab rats who kept on asking questions until answers were
> >discovered. What nation do you germinate in?
>
> That's just Roy Q. pretending to be a retarded machine. Just killfile
> him. Respect is something to be earned, and Roy certainly isn't
> earning any here.

Make sure to blacklist him in you e-mail, too. The near zero IQ
loser will try to abuse you by email when he figures out he's been kill
filed. Of course that can take months, or even years. :(

--
Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.

==============================================================================
TOPIC: SPAM - This is NOT a *forsale* group
http://groups.google.com/group/sci.electronics.repair/t/08b256a98db97e59?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 16 2010 12:02 pm
From: JeffM

Mark & Mary Ann Weiss wrote:
>cgi.ebay.com
>
It's very easy to spot a group where ads are permitted.
In the name of those groups, you will find one of these words:
forsale ads marketplace biz

In case the *general* rule for Usenet posting is unclear to you,
here is the charter for this group, which *explicitly* forbids ads:
http://groups.google.com/group/sci.electronics/msg/13651a897337a7a9?q=Charters+misc.industry.electronics.marketplace+Discussions+Advertisement-*-*+only.advertise+Techniques-for-*-*-*+sci.electronics.repair-Fixing-*-*+Annecdotes-*-*+*.rec.hierarchy+*.*.not.a.forsale.group+zz-zz+Discussion

==============================================================================
TOPIC: Opened laptop battery to replace lithium ion cells (Lenovo X61 tablet
PC) -- Where do I get replacement battery cells?
http://groups.google.com/group/sci.electronics.repair/t/b825f0a2f4a3f913?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 16 2010 5:32 pm
From: JoeSchmoe

Have you ever opened up your laptop battery to replace the lithium ion
cells inside (if so, I could use the help as I'm stuck).

Here are the pictures of the operation on a Lenovo X61 tablet PC 8-cell
4500 amp-hour battery kidney-transplant operation.

The outside of the IBM Lenovo X61 tablet PC battery pack has the part
numbers:
- FRU 42T4507
- ASM 42T5209

And the batteries themselves, seem to have numbers on them of:
- cylinders BCM 3A6 72653
- rectangles C 3 171353

Any idea where to obtain these lithium ion replacement batteries?

==============================================================================

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