sci.electronics.repair@googlegroups.com

Today's topics:

* a bios question - 10 messages, 6 authors
http://groups.google.com/group/sci.electronics.repair/t/7c0bc6748d91ff8b?hl=en
* another puzzler - 9 messages, 7 authors
http://groups.google.com/group/sci.electronics.repair/t/b80657d8be4c22cd?hl=en
* WHOLESALE all BRAND(UGG BOOTS,SHOES,CLOTHES,HANDBAG,WATCH,JEANS,JERSEY,T-
SHIRT,SHIRTS,HOODY,EYEGLASS,CAP,SHAWL,WALLT) and so on www dot 51-wholesale
dot com - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/70e1faa9ce18263d?hl=en
* Zimo DCC info ? - 3 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/93fbd838f0d4056e?hl=en
* Peavey PV2000 slave amp - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/9121270861344413?hl=en
* Where is Klem ?? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/e9ebb396f18b6ba5?hl=en

==============================================================================
TOPIC: a bios question
http://groups.google.com/group/sci.electronics.repair/t/7c0bc6748d91ff8b?hl=en
==============================================================================

== 1 of 10 ==
Date: Thurs, May 12 2011 9:49 pm
From: "Geoffrey S. Mendelson"

Michael A. Terrell wrote:
> My eMachines W3118 came with a restoration DVD for the factory
> installed XP home, which includes all the drivers.

Many computers that include disks, and all that don't have some way of
creating a restore disk from the install partition or files.

It depends upon the manufacturer how insistant it is. One brand I saw would
not let you do anything with the newly installed windows system until the
burning of DVDs (install Windows, provided apps) was finished.

Another made you click "not now" every hour until you did.

Other's just gave you a one time notice, it was up to you to figure out how
to do it if you canceled it.

One even included blank DVDs.

The one I am using now, and MSI Wind U100, included Hebrew Windows on the hard
drive with an insistant option to burn disks and a set of English DVDs. Note
that the computer did not have a DVD or optical drive of any kind.

Apple used to include installation DVDs of MacOS with all of their computers,
including the MacBook Air line, which has no optical drive. Now they include
a USB memory stick with it. I expect netbook manufacturers will do the same for
Windows too.

Back to the original question, does the BIOS offer a boot menu, or a setup key?

With the boot menu, you can just choose the DVD drive, with a setup menu,
which comes up after your press the key (eventually), you can change the
boot order to include the DVD drive first.

BTW, did you try the A drive option? It might try to boot from the floppy and
after giving up try the DVD.

Geoff.xsxc
--
Geoffrey S. Mendelson N3OWJ/4X1GM
Occam's Razor does not apply to electronics. If something won't turn on, it's
not likely to be the power switch.

== 2 of 10 ==
Date: Fri, May 13 2011 4:47 am
From: Bob Villa

On May 12, 6:26 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
wrote:

>    My eMachines W3118 came with a restoration DVD for the factory
> installed XP home, which includes all the drivers.
>
> --

Good God, man! An expert electronic tech that admits he has an
eMachine w/XP home...WTF!

== 3 of 10 ==
Date: Fri, May 13 2011 7:35 am
From: spamtrap1888

On May 13, 4:47 am, Bob Villa <pheeh.z...@gmail.com> wrote:
> On May 12, 6:26 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> wrote:
>
> >    My eMachines W3118 came with a restoration DVD for the factory
> > installed XP home, which includes all the drivers.
>
> > --
>
> Good God, man! An expert electronic tech that admits he has an
> eMachine w/XP home...WTF!

Who's better equipped to own one? It's like an auto mechanic owning a
Fiat.

== 4 of 10 ==
Date: Fri, May 13 2011 7:51 am
From: Jeff Liebermann

On Thu, 12 May 2011 17:21:39 -0400, "Charlie" <left@thestation.com>
wrote:

>I have a friend with an E-Machines PC.

Your friend has my sympathies. You also have my sympathy for not
supplying the model number.

>OS is XP home. It looked to me that the HD had failed.
>I confirmed this to my mind by using a sata to usb adapter and found that
>the old HD could not be accessed.
>I checked that my setup was ok using other drives that were on hand.

Yeah, it's dead.

>So I had her get a replacement HD.

More sympathy. Make and model of replacement drive?

>Two restore disks are on hand so I
>charged ahead feeling that all would be well.

Are the restore disks for the unspecified model machine?

> Phoenix BIOS is set to start from the CD first and the HD next.

Make sure the floppy disk is disabled in the BIOS.

>But when trying to start the recovery from the CD. there are two choices.
>1) restore the system.
> or
>2) start from the CD

I'm not sure what "start from the CD" actually is suppose to do.
My guess(tm) is that it will boot the conventional Windoze install and
possibly put you into the "recovery console", which you don't need.
Use the "restore the system" option. It works.

>Choice 1 warns that all data will be lost. That's ok. It's a new HD

You have no data to lose.

>So I select Y go do it and the system hangs

Not good.
Does the BIOS see the new unspecified model hard disk drive?
Did you enable the specific SATA port in the BIOS? This is the usual
problem. For some insane reason, the authors of the various SATA
BIOS's insist that the user enable/disable SATA devices, instead of
probing for them, as in previous ATA BIOS's.

>Trying choice 2 brings an unexpected result. The system tries to start from
>a nonexistent A drive.

El Torito CD start specifies that the boot drive is A:.
Is this a SATA CDROM drive, or an ATA drive?
<http://en.wikipedia.org/wiki/El_torito>

>This box has no A drive. Looking through the setup panels show no mention of
>a floppy drive.

You're assuming that the A: drive is always a floppy drive. It's not.
It's just the first drive that the system finds.

>What now?

Google perhaps?

How to Do an eMachines System Recovery
<http://www.ehow.com/how_5969283_use-e_machine-recovery-cd.html>

--
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

== 5 of 10 ==
Date: Fri, May 13 2011 9:37 am
From: "Michael A. Terrell"

Bob Villa wrote:
>
> On May 12, 6:26 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> wrote:
>
> > My eMachines W3118 came with a restoration DVD for the factory
> > installed XP home, which includes all the drivers.
> >
> > --
>
> Good God, man! An expert electronic tech that admits he has an
> eMachine w/XP home...WTF!

I have over 100 computers at home. I refurbish them and give them
away for free. I used one eMachines Windows ME computer for ten years,
and the original install of ME is still in use in another, later model?
I needed ME to use an older flat bed scanner so I stuck the drive into a
T1220 that was shipped with XP..

You do know that a lot of HP computers used the same motherboard,
power supply and drives as eMachines that sold for half the price?

Or that Gateway and eMachines is owned by Acer?

http://en.wikipedia.org/wiki/Gateway,_Inc.

--
You can't fix stupid. You can't even put a Band-Aid� on it, because it's
Teflon coated.

== 6 of 10 ==
Date: Fri, May 13 2011 9:40 am
From: "Michael A. Terrell"

spamtrap1888 wrote:
>
> On May 13, 4:47 am, Bob Villa <pheeh.z...@gmail.com> wrote:
> > On May 12, 6:26 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> > wrote:
> >
> > > My eMachines W3118 came with a restoration DVD for the factory
> > > installed XP home, which includes all the drivers.
> >
> > > --
> >
> > Good God, man! An expert electronic tech that admits he has an
> > eMachine w/XP home...WTF!
>
> Who's better equipped to own one? It's like an auto mechanic owning a
> Fiat.

I see a lot more dead Dell and HP computers than eMachines.

--
You can't fix stupid. You can't even put a Band-Aid� on it, because it's
Teflon coated.

== 7 of 10 ==
Date: Fri, May 13 2011 9:42 am
From: Abi Normal

"You do know that a lot of HP computers used the same motherboard,
power supply and drives as eMachines that sold for half the price?"

"Or that Gateway and eMachines is owned by Acer?"

And that makes them any good?

abi

== 8 of 10 ==
Date: Fri, May 13 2011 9:48 am
From: spamtrap1888

On May 13, 9:37 am, "Michael A. Terrell" <mike.terr...@earthlink.net>
wrote:
> Bob Villa wrote:
>
> > On May 12, 6:26 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> > wrote:
>
> > >    My eMachines W3118 came with a restoration DVD for the factory
> > > installed XP home, which includes all the drivers.
>
> > > --
>
> > Good God, man! An expert electronic tech that admits he has an
> > eMachine w/XP home...WTF!
>
>    I have over 100 computers at home.  I refurbish them and give them
> away for free.  I used one eMachines Windows ME computer for ten years,
> and the original install of ME is still in use in another, later model?
> I needed ME to use an older flat bed scanner so I stuck the drive into a
> T1220 that was shipped with XP..
>
>    You do know that a lot of HP computers used the same motherboard,
> power supply and drives as eMachines that sold for half the price?
>

eMachines that we evaluated could not withstand shock and vibration,
so maybe their chief weaknesses were mechanical.

== 9 of 10 ==
Date: Fri, May 13 2011 9:49 am
From: "Michael A. Terrell"

"Geoffrey S. Mendelson" wrote:
>
> Michael A. Terrell wrote:
> > My eMachines W3118 came with a restoration DVD for the factory
> > installed XP home, which includes all the drivers.
>
> Many computers that include disks, and all that don't have some way of
> creating a restore disk from the install partition or files.
>
> It depends upon the manufacturer how insistant it is. One brand I saw would
> not let you do anything with the newly installed windows system until the
> burning of DVDs (install Windows, provided apps) was finished.
>
> Another made you click "not now" every hour until you did.
>
> Other's just gave you a one time notice, it was up to you to figure out how
> to do it if you canceled it.
>
> One even included blank DVDs.

I've seen several new computers that told you to burn a restore DVD,
and gave you one try. One had a bad drive, and others had corrupt files
on the hard drive, which failed, in warranty.

> The one I am using now, and MSI Wind U100, included Hebrew Windows on the hard
> drive with an insistant option to burn disks and a set of English DVDs. Note
> that the computer did not have a DVD or optical drive of any kind.
>
> Apple used to include installation DVDs of MacOS with all of their computers,
> including the MacBook Air line, which has no optical drive. Now they include
> a USB memory stick with it. I expect netbook manufacturers will do the same for
> Windows too.
>
> Back to the original question, does the BIOS offer a boot menu, or a setup key?
>
> With the boot menu, you can just choose the DVD drive, with a setup menu,
> which comes up after your press the key (eventually), you can change the
> boot order to include the DVD drive first.
>
> BTW, did you try the A drive option? It might try to boot from the floppy and
> after giving up try the DVD.
>
> Geoff.xsxc
> --
> Geoffrey S. Mendelson N3OWJ/4X1GM
> Occam's Razor does not apply to electronics. If something won't turn on, it's
> not likely to be the power switch.

--
You can't fix stupid. You can't even put a Band-Aid� on it, because it's
Teflon coated.

== 10 of 10 ==
Date: Fri, May 13 2011 9:51 am
From: spamtrap1888

On May 13, 9:42 am, Abi Normal <abbie.knor...@gmail.com> wrote:
>  "You do know that a lot of HP computers used the same motherboard,
> power supply and drives as eMachines that sold for half the price?"
>
>    "Or that Gateway and eMachines is owned by Acer?"
>
> And that makes them any good?
>

No matter what the source, when you're making stuff to sell at a
certain price point, corners have to be cut somewhere. Having a
different brand for your low price line prevents loss of reputation
for your standard products.

==============================================================================
TOPIC: another puzzler
http://groups.google.com/group/sci.electronics.repair/t/b80657d8be4c22cd?hl=en
==============================================================================

== 1 of 9 ==
Date: Fri, May 13 2011 12:34 am
From: "Bill Graham"

Soundhaspriority wrote:
> "Suppose you're on a game show, and you're given the choice of three
> doors: Behind one door is a car; behind the others, goats. You pick a
> door, say No. 1, and the host, who knows what's behind the doors,
> opens another door, say No. 3, which has a goat. He then says to you,
> "Do you want to pick door No. 2?" Is it to your advantage to switch
> your choice?"
> The above is a famous problem. I've left out the attribution to give
> you a few minutes (or forever, if you want) to enjoy it.
>
> Bob Morein
> (310) 237-6511

When you pick door #1 you only have a 1/3 chance of winning. But after you
see that there is a goat behind door #3, your chance of winning is 1/2, so I
would change doors and pick door #2. But I don't really know why....It's
just gambler's instinct with me.

== 2 of 9 ==
Date: Fri, May 13 2011 12:41 am
From: "Bill Graham"

Trevor wrote:
> "Bill Graham" <weg9@comcast.net> wrote in message
> news:w5SdncQfzLWPqVHQnZ2dnUVZ5gudnZ2d@giganews.com...
>> William Sommerwerck wrote:
>>> As I'm working, "Let's Make a Deal" is on. A woman has four rolls of
>>> a die to get 10 points or more. She gets 8 on the first two rolls.
>>> So... does she or the host say "No need to roll again?" No! She
>>> actually rolls the die!
>>
>> Of course she rolls the die. She has to, because she needs to get
>> ten, and she only has eight. So, by the rules of the game she has to
>> keep rolling until she gets the ten she needs, or runs out of rolls.
>> Getting a good start is not the same as winning.
>
> I think you miss the point, in this case it's "Not possibly being
> able to lose (unless the dice are fixed!) is not the same as winning".
> They MUST show her getting 10 so the "arithmetically challenged
> people" mentioned in the header can understand what's gong on.
> Besides they probably had more air time to fill! :-)
>
> Trevor.

Well, if they want to compare her score to many others who roll the die four
times, then she should be required to roll the die four times. But this
depends on the show and its moderators.

== 3 of 9 ==
Date: Fri, May 13 2011 5:09 am
From: "Arny Krueger"

"Bill Graham" <weg9@comcast.net> wrote in message
news:t_ydnZKHN4u_QlHQnZ2dnUVZ5rWdnZ2d@giganews.com
> Soundhaspriority wrote:
>> "Suppose you're on a game show, and you're given the
>> choice of three doors: Behind one door is a car; behind
>> the others, goats. You pick a door, say No. 1, and the
>> host, who knows what's behind the doors, opens another
>> door, say No. 3, which has a goat. He then says to you,
>> "Do you want to pick door No. 2?" Is it to your
>> advantage to switch your choice?" The above is a famous problem. I've
>> left out the
>> attribution to give you a few minutes (or forever, if
>> you want) to enjoy it. Bob Morein
>> (310) 237-6511
>
> When you pick door #1 you only have a 1/3 chance of
> winning. But after you see that there is a goat behind
> door #3, your chance of winning is 1/2, so I would change
> doors and pick door #2. But I don't really know
> why....It's just gambler's instinct with me.

After you know there is a goat behind door #3 and are given a chance to
guess again, there is a 50% chance the car is behind door #1 and a 50%
chance the car if behind door #2. Change your choice or not, you have a 50%
chance of being right.

== 4 of 9 ==
Date: Fri, May 13 2011 5:36 am
From: "William Sommerwerck"

> After you know there is a goat behind door #3 and are given
> a chance to guess again, there is a 50% chance the car is
> behind door #1 and a 50% chance the car if behind door #2.
> Change your choice or not, you have a 50% chance of being
> right.

This is not correct. I explained it in a previous post. Like this...

Because you will have initially selected the wrong door 2/3 of the time
(right?) it follows that 2/3 of the time the good prize will be behind one
of the two other doors. The host will /always/ select a door with a goat,
therefore, you should switch, because there's a 2/3 chance the other door
will have the good prize.

== 5 of 9 ==
Date: Fri, May 13 2011 7:11 am
From: spam@spam.com (Don Pearce)

On Fri, 13 May 2011 08:09:11 -0400, "Arny Krueger" <arnyk@hotpop.com>
wrote:

>"Bill Graham" <weg9@comcast.net> wrote in message
>news:t_ydnZKHN4u_QlHQnZ2dnUVZ5rWdnZ2d@giganews.com
>> Soundhaspriority wrote:
>>> "Suppose you're on a game show, and you're given the
>>> choice of three doors: Behind one door is a car; behind
>>> the others, goats. You pick a door, say No. 1, and the
>>> host, who knows what's behind the doors, opens another
>>> door, say No. 3, which has a goat. He then says to you,
>>> "Do you want to pick door No. 2?" Is it to your
>>> advantage to switch your choice?" The above is a famous problem. I've
>>> left out the
>>> attribution to give you a few minutes (or forever, if
>>> you want) to enjoy it. Bob Morein
>>> (310) 237-6511
>>
>> When you pick door #1 you only have a 1/3 chance of
>> winning. But after you see that there is a goat behind
>> door #3, your chance of winning is 1/2, so I would change
>> doors and pick door #2. But I don't really know
>> why....It's just gambler's instinct with me.
>
>After you know there is a goat behind door #3 and are given a chance to
>guess again, there is a 50% chance the car is behind door #1 and a 50%
>chance the car if behind door #2. Change your choice or not, you have a 50%
>chance of being right.
>

Lets make it ten doors. You pick one, and get a one in ten chance of
being right. That means that the chances are 90% that the car is
behind one of the 9 doors you did not pick. You know for certain that
at least eight of those doors conceal a goat, so when eight goats are
revealed, you have no new information. The chances are 90% that the
car is behind one of the nine - only now there is only one remaining
to open.

One vital fact here is that the person doing the revealing knows the
contents of the doors and chooses to reveal only goats. Had he been
guessing too, and just happened to reveal only goats, then yes, you
would be down to 50/50.

d

== 6 of 9 ==
Date: Fri, May 13 2011 7:39 am
From: spamtrap1888

On May 11, 11:07 pm, Sylvia Else <syl...@not.here.invalid> wrote:
> On 12/05/2011 4:03 PM, Kevin Krell wrote:
>
> > On 5/11/2011 2:07 PM, William Sommerwerck wrote:
> >> As I'm working, "Let's Make a Deal" is on. A woman has four rolls of a
> >> die
> >> to get 10 points or more. She gets 8 on the first two rolls. So...
> >> does she
> >> or the host say "No need to roll again?" No! She actually rolls the die!
>
> > OK, guess I'm mathematically challenged, then. Of course she has to roll
> > again, at least once more (and possibly twice if #3 is a one), as the 8
> > is still less than the 10 you're saying she requires.
>
> But she's bound to get at least 1 on each subsequent roll, so no matter
> what happens she wins. Accordingly, as the OP indicated, there's no need
> to bother.
>
> Sylvia

Rolling again takes less time than explaining, and less time by the
production staff, later on, to deal with the communiques sent by
puzzled viewers.

== 7 of 9 ==
Date: Fri, May 13 2011 7:58 am
From: Smitty Two

In article <iqj8k9$oi5$1@dont-email.me>,
"William Sommerwerck" <grizzledgeezer@comcast.net> wrote:

> > After you know there is a goat behind door #3 and are given
> > a chance to guess again, there is a 50% chance the car is
> > behind door #1 and a 50% chance the car if behind door #2.
> > Change your choice or not, you have a 50% chance of being
> > right.
>
> This is not correct. I explained it in a previous post. Like this...
>
> Because you will have initially selected the wrong door 2/3 of the time
> (right?) it follows that 2/3 of the time the good prize will be behind one
> of the two other doors. The host will /always/ select a door with a goat,
> therefore, you should switch, because there's a 2/3 chance the other door
> will have the good prize.

Here is a link to a good visual representation:

http://math.ucr.edu/~jdp/Monty_Hall/Monty_Hall.html

== 8 of 9 ==
Date: Fri, May 13 2011 9:05 am
From: Carey Carlan

spam@spam.com (Don Pearce) wrote in
news:4dcd3b49.215216046@news.eternal-september.org:

> On Fri, 13 May 2011 08:09:11 -0400, "Arny Krueger" <arnyk@hotpop.com>
> wrote:
>
>>"Bill Graham" <weg9@comcast.net> wrote in message
>>news:t_ydnZKHN4u_QlHQnZ2dnUVZ5rWdnZ2d@giganews.com
>>> Soundhaspriority wrote:
>>>> "Suppose you're on a game show, and you're given the
>>>> choice of three doors: Behind one door is a car; behind
>>>> the others, goats. You pick a door, say No. 1, and the
>>>> host, who knows what's behind the doors, opens another
>>>> door, say No. 3, which has a goat. He then says to you,
>>>> "Do you want to pick door No. 2?" Is it to your
>>>> advantage to switch your choice?" The above is a famous problem.
>>>> I've left out the
>>>> attribution to give you a few minutes (or forever, if
>>>> you want) to enjoy it. Bob Morein
>>>> (310) 237-6511
>>>
>>> When you pick door #1 you only have a 1/3 chance of
>>> winning. But after you see that there is a goat behind
>>> door #3, your chance of winning is 1/2, so I would change
>>> doors and pick door #2. But I don't really know
>>> why....It's just gambler's instinct with me.
>>
>>After you know there is a goat behind door #3 and are given a chance
>>to guess again, there is a 50% chance the car is behind door #1 and a
>>50% chance the car if behind door #2. Change your choice or not, you
>>have a 50% chance of being right.
>>
>
> Lets make it ten doors. You pick one, and get a one in ten chance of
> being right. That means that the chances are 90% that the car is
> behind one of the 9 doors you did not pick. You know for certain that
> at least eight of those doors conceal a goat, so when eight goats are
> revealed, you have no new information. The chances are 90% that the
> car is behind one of the nine - only now there is only one remaining
> to open.
>
> One vital fact here is that the person doing the revealing knows the
> contents of the doors and chooses to reveal only goats. Had he been
> guessing too, and just happened to reveal only goats, then yes, you
> would be down to 50/50.

Alternate:

You walk in with 8 doors already open revealing 8 goats.
The car is behind one of the two remaining doors.
Convince me that your odds are not 50% to find the car.

== 9 of 9 ==
Date: Fri, May 13 2011 9:41 am
From: spam@spam.com (Don Pearce)

On Fri, 13 May 2011 16:05:33 GMT, Carey Carlan <gulfjoe@hotmail.com>
wrote:

>spam@spam.com (Don Pearce) wrote in
>news:4dcd3b49.215216046@news.eternal-september.org:
>
>> On Fri, 13 May 2011 08:09:11 -0400, "Arny Krueger" <arnyk@hotpop.com>
>> wrote:
>>
>>>"Bill Graham" <weg9@comcast.net> wrote in message
>>>news:t_ydnZKHN4u_QlHQnZ2dnUVZ5rWdnZ2d@giganews.com
>>>> Soundhaspriority wrote:
>>>>> "Suppose you're on a game show, and you're given the
>>>>> choice of three doors: Behind one door is a car; behind
>>>>> the others, goats. You pick a door, say No. 1, and the
>>>>> host, who knows what's behind the doors, opens another
>>>>> door, say No. 3, which has a goat. He then says to you,
>>>>> "Do you want to pick door No. 2?" Is it to your
>>>>> advantage to switch your choice?" The above is a famous problem.
>>>>> I've left out the
>>>>> attribution to give you a few minutes (or forever, if
>>>>> you want) to enjoy it. Bob Morein
>>>>> (310) 237-6511
>>>>
>>>> When you pick door #1 you only have a 1/3 chance of
>>>> winning. But after you see that there is a goat behind
>>>> door #3, your chance of winning is 1/2, so I would change
>>>> doors and pick door #2. But I don't really know
>>>> why....It's just gambler's instinct with me.
>>>
>>>After you know there is a goat behind door #3 and are given a chance
>>>to guess again, there is a 50% chance the car is behind door #1 and a
>>>50% chance the car if behind door #2. Change your choice or not, you
>>>have a 50% chance of being right.
>>>
>>
>> Lets make it ten doors. You pick one, and get a one in ten chance of
>> being right. That means that the chances are 90% that the car is
>> behind one of the 9 doors you did not pick. You know for certain that
>> at least eight of those doors conceal a goat, so when eight goats are
>> revealed, you have no new information. The chances are 90% that the
>> car is behind one of the nine - only now there is only one remaining
>> to open.
>>
>> One vital fact here is that the person doing the revealing knows the
>> contents of the doors and chooses to reveal only goats. Had he been
>> guessing too, and just happened to reveal only goats, then yes, you
>> would be down to 50/50.
>
>Alternate:
>
>You walk in with 8 doors already open revealing 8 goats.
>The car is behind one of the two remaining doors.
>Convince me that your odds are not 50% to find the car.

Why? That isn't what happens. Read again and try to follow,
particularly the last part, which is the vital proviso.

d

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==============================================================================
TOPIC: Zimo DCC info ?
http://groups.google.com/group/sci.electronics.repair/t/93fbd838f0d4056e?hl=en
==============================================================================

== 1 of 3 ==
Date: Fri, May 13 2011 6:12 am
From: "N_Cook"

I'm an electronic engineer asked to repair a number of these DCC control
boards
that apparently plug into/under model train locos. I've found a few failings
testing cold but would like to apply some power to them.
Anyone know of "block diagram" pinning for such units or any technical info?
Boards are 32x30mm with surface mount components , 2x4 way connector, 21 way
conn, 5 x 2way and 1x 4w connector

== 2 of 3 ==
Date: Fri, May 13 2011 7:33 am
From: "manatbandq@hotmail.com"

On May 13, 2:12 pm, "N_Cook" <dive...@tcp.co.uk> wrote:
> I'm an electronic engineer asked to repair a number of these DCC control
> boards
> that apparently plug into/under model train locos. I've found a few failings
> testing cold but would like to apply some power to them.
> Anyone know of "block diagram" pinning for such units or any technical info?
> Boards are 32x30mm with surface mount components , 2x4 way connector, 21 way
> conn, 5 x 2way and 1x 4w connector

Send them back to Zimo, I've had free repairs in the past. If you need
to replace the PIC, where are you going to get the firmware?

MBQ

== 3 of 3 ==
Date: Fri, May 13 2011 8:32 am
From: "N_Cook"

<manatbandq@hotmail.com> wrote in message
news:6f987865-3ad6-4867-81ed-15fcbaf12ad5@l14g2000pro.googlegroups.com...
On May 13, 2:12 pm, "N_Cook" <dive...@tcp.co.uk> wrote:
> I'm an electronic engineer asked to repair a number of these DCC control
> boards
> that apparently plug into/under model train locos. I've found a few
failings
> testing cold but would like to apply some power to them.
> Anyone know of "block diagram" pinning for such units or any technical
info?
> Boards are 32x30mm with surface mount components , 2x4 way connector, 21
way
> conn, 5 x 2way and 1x 4w connector

Send them back to Zimo, I've had free repairs in the past. If you need
to replace the PIC, where are you going to get the firmware?

MBQ

+++++

Marked 2395 X002 on the overlay
they are some sort of interface board, no PIC, only a 555 , one transistor
and a number of diodes and passives and all those connectors. So far 2 have
had duff lead-free soldering

==============================================================================
TOPIC: Peavey PV2000 slave amp
http://groups.google.com/group/sci.electronics.repair/t/9121270861344413?hl=en
==============================================================================

== 1 of 2 ==
Date: Fri, May 13 2011 7:38 am
From: Jeff Liebermann

On Thu, 12 May 2011 14:44:06 +0100, "N_Cook" <diverse@tcp.co.uk>
wrote:

>What does DOT (TM) accronym? stand
>for ?

Don't Open This.

--
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

== 2 of 2 ==
Date: Fri, May 13 2011 8:33 am
From: "N_Cook"

Meat Plow <mhywattt@yahoo.com> wrote in message
news:pan.2011.05.13.01.01.34@emutt.macspoofer.lmao...
> On Thu, 12 May 2011 14:44:06 +0100, N_Cook wrote:
>
> > Ok last summer, stored in an outbuilding over winter , got down to -15
> > deg C southern England last December.
> > Now one channel shows protect LED on . What does DOT (TM) accronym?
> > stand for ? and anyone any inkling what would be most ssceptible to
> > cold/condensation? Nothing seems amiss cold testing on that channel, not
> > powered up , monitored , yet. I have a schematic for it, a lot of
> > socketed op amps in that area, so changing them and the sockets would
> > be a good start methinks.
>
> Reseat the socketed devices. Temperature isn't a factor, humidity more
> likely the cause of slight corrosion of the pinned devices.
>
>
>
> --
> Live Fast Die Young, Leave A Pretty Corpse

Looks as though a TO92 has decided to take in condensation, go ohmic and
move the bias a bit negative.
TO92 failures the same, with a load of Crest audio slave amps left over
winter ,almost outdoors , by someone else.

==============================================================================
TOPIC: Where is Klem ??
http://groups.google.com/group/sci.electronics.repair/t/e9ebb396f18b6ba5?hl=en
==============================================================================

== 1 of 1 ==
Date: Fri, May 13 2011 9:46 am
From: "Michael A. Terrell"

Phil Allison wrote:
>
> " Klem the Kiddie Fiddler "
>
> Sorry Phil that I
> blew right past your response however I guess I'd have to wonder if
> YOU read what I wrote. I thought that I was clearly asking about a
> Chemical or "pico" type fuse, not a polyswitch.
>
> ** Where did you get the name " chemical fuse " from - eh ?
>
> Did you simply invent it ???
>
> A "Pico" fuse is simply a wire fuse in a package like a resistor.
>
> Over to YOU - you miserable damn LIAR.

Phyllis, you are the miserable damn LIAR. Chemical fuses were common
in the US from the '60s, on. Just because you don't find them in the
broken sex toys you drag out of dumpsters, doesn't mean that they don't
exist.

A 'Pico' fuse is one of several physical types made by Littlefuse and
not all of them are "simply a wire fuse in a package like a resistor".
All your ignorant ranting won't change the fact that you don't know what
the hell you are talking about.

--
You can't fix stupid. You can't even put a Band-Aid� on it, because it's
Teflon coated.

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