sci.electronics.repair@googlegroups.com

Today's topics:

* Car OBC - 2 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/e84167d59ce27549?hl=en
* Cost of a new display panel for my Samsung LED TV? - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/ad0c5e3b1b2f359a?hl=en
* Large IDE drives not compatable with old systems - 4 messages, 4 authors
http://groups.google.com/group/sci.electronics.repair/t/739861bba23f7546?hl=en
* Wharfedale DVDR24F DVD Freeview DVD recorder. - 3 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/299a3180a0393f9e?hl=en
* Online Wholesale Air Jordan 2010, Nike Max 2010, Nike Dunk SB - 1 messages,
1 author
http://groups.google.com/group/sci.electronics.repair/t/fa35130e6764d82c?hl=en
* Wonderful Website!!! - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/7cf70ef8e09ec549?hl=en
* Source for 1-1/4" speaker - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/0f25d8677029bd7c?hl=en

==============================================================================
TOPIC: Car OBC
http://groups.google.com/group/sci.electronics.repair/t/e84167d59ce27549?hl=en
==============================================================================

== 1 of 2 ==
Date: Fri, Nov 5 2010 10:56 am
From: JeffM

Dave Plowman (News) wrote:
>[Fuel] injection system[...]
>I've changed the EFI to a MegaSquirt.[...]
>They are also driven PWM
>rather than straight DC as on the old system.
>This confuses the OBC. But not always.
>
A gated pulse train to simulate what the original saw?

== 2 of 2 ==
Date: Fri, Nov 5 2010 11:20 am
From: JeffM

JeffM wrote:
>Dave Plowman (News) wrote:
>>[Fuel] injection system[...]
>>I've changed the EFI to a MegaSquirt.[...]
>>They are also driven PWM
>>rather than straight DC as on the old system.
>>This confuses the OBC. But not always.
>>
>A gated pulse train to simulate what the original saw?

Forgive my inverted thinking. What you need
to turn a pulse train into a something resembling DC
is an integrator. TV vertical sections use those gizmos.
You need to put some numbers to this before proceeding.

==============================================================================
TOPIC: Cost of a new display panel for my Samsung LED TV?
http://groups.google.com/group/sci.electronics.repair/t/ad0c5e3b1b2f359a?hl=en
==============================================================================

== 1 of 2 ==
Date: Fri, Nov 5 2010 11:06 am
From: PlainBill47@yawho.com

On Fri, 5 Nov 2010 12:06:33 +0000 (UTC), Keith
<keithdlee2000@gmail.com> wrote:

>All:
> In your opinion, what would it cost me to repair my Samsung 40" LED TV -- UN40B6000? It looks as if I need
>a new display panel installed.
>
>Keith

Barring physical damage to the LCD panel itself (ie, hit by Wii
controller) it should be unnecessary to replace the panel. What you
have described in one of your replies sounds like a bad T-conn board.

PlainBill

== 2 of 2 ==
Date: Fri, Nov 5 2010 10:59 am
From: "Dave Plowman (News)"

In article <6ve8d6932ip6fge5tohkc50fr9ucc0bskn@4ax.com>,
<news@jecarter.us> wrote:
> On Fri, 5 Nov 2010 12:06:33 +0000 (UTC), Keith
> <keithdlee2000@gmail.com> wrote:

> >All: In your opinion, what would it cost me to repair my Samsung 40"
> >LED TV -- UN40B6000? It looks as if I need a new display panel
> >installed.
> >
> >Keith

> If the display is dim, the problem is probably the backlight, not the
> panel itself. If you can find the backlight tube and/or power supply
> to purchase, it's not impossible to replace. However, it's not a
> first-time electronics repair project - more along the lines of
> rebuilding a 4 barrel carburetor in the days before nearly all
> engines had fuel injection.

> John

Thought LED TVs use LEDs as backlights? And if a few fail...

--
*7up is good for you, signed snow white*

Dave Plowman dave@davenoise.co.uk London SW
To e-mail, change noise into sound.

==============================================================================
TOPIC: Large IDE drives not compatable with old systems
http://groups.google.com/group/sci.electronics.repair/t/739861bba23f7546?hl=en
==============================================================================

== 1 of 4 ==
Date: Fri, Nov 5 2010 12:00 pm
From: "Gareth Magennis"

"Arfa Daily" <arfa.daily@ntlworld.com> wrote in message
news:mCJAo.7271$JW.3440@newsfe25.ams2...
>
> <snip>
>
>>
>> I am in regular contact with the Roland Service Dept. UK. They do not
>> have a specific solution, though are very helpful. This is, after all,
>> an obsolete piece of equipment, designed for a 40Gb hard drive, that
>> worked very well. Shame you can't buy the drives any more.
>>
>> It would be rather neat, though, to find a working solution!
>>
>>
>>
>> Gareth.
>
> Interestingly, I needed a 40GB HDD just last week to repair a Fostex
> multitracker. Like you, I was struggling to find one until a friend of
> mine who runs a computer repair shop, pointed me at a local computer
> recycler that he knew. He had 40GB drives "coming out of his ears" was his
> exact phrase, and was only too happy to let me relieve him of one for
> free. My computer repair mate said that he usually had them stacked up as
> well, left over from upgrades, and would have been able to help me had he
> not just had a big clear-out a few days before !
>
> Any computer repair shops or recycling agencies in your area that you
> could try, Gareth ?
>
> Arfa

I know I could have gone down that route, but I have an old drive myself
that works, its just that it sounds like an Airbus with a blown engine.
The new drive I bought is very very quiet - part of the reason I bought it.
Don't forget we are talking a digital recorder where it is very likely the
machine will be in the same room as the subject being recorded, so noise is
definitely an issue.

The 2480 is not mine, I am repairing it for a customer. More importantly,
I am hoping to find a generic solution to a generic problem here.

The cloning idea sounds great - you can use any off the shelf drive of any
size and make it look like the original, a perfect solution in my opinion,
as this is (hopefully) always going to work. I am not always going to have
the time or inclination to hunt round computer shops for weird old shit ;)

I'm getting an old PC out tomorrow and trying this cloning malarky.

Thanks,

Gareth.

== 2 of 4 ==
Date: Fri, Nov 5 2010 2:12 pm
From: Franc Zabkar

On Fri, 5 Nov 2010 19:00:06 -0000, "Gareth Magennis"
<sound.service@btconnect.com> put finger to keyboard and composed:

>I know I could have gone down that route, but I have an old drive myself
>that works, its just that it sounds like an Airbus with a blown engine.
>The new drive I bought is very very quiet - part of the reason I bought it.
>Don't forget we are talking a digital recorder where it is very likely the
>machine will be in the same room as the subject being recorded, so noise is
>definitely an issue.

You can make a 1TB drive look like an old 32MB drive. Gigabyte's
Xpress Recovery BIOS has a bug that does just that. :-(

In your case, use HDAT2 to limit the capacity of your drive. It will
then report its reduced size to BIOS and OS, making it
indistinguishable from a smaller drive.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

== 3 of 4 ==
Date: Fri, Nov 5 2010 8:30 pm
From: "Michael A. Terrell"

D Yuniskis wrote:
>
> JW wrote:
> > On Fri, 05 Nov 2010 08:25:26 -0700 D Yuniskis <not.going.to.be@seen.com>
> > wrote in Message id: <ib177o$2gd$1@speranza.aioe.org>:
> >
> >> JW wrote:
> >>> On Fri, 5 Nov 2010 07:21:10 +0900 "Brenda Ann"
> >>> <newsgroups@fullspectrumradio.org> wrote in Message id:
> >>> <D8adnTZu49RHrE7RnZ2dnVY3go2dnZ2d@giganews.com>:
> >>>
> >>>> "Gareth Magennis" <sound.service@btconnect.com> wrote in message
> >>>> news:EbmdnbK3kMxTR0_RnZ2dnUVZ7qmdnZ2d@bt.com...
> >>>>> Hi,
> >>>>>
> >>>>> I'm trying to replace a faulty disk drive on a Roland VS2480 (digital
> >>>>> audio multitrack recorder). The likely problem (according to Roland
> >>>>> Service) is that the new IDE drive is too large for the 2480 to format
> >>>>> correctly.
> >>>>>
> >>>>> It goes through the format process of making 4 10GB partitions but always
> >>>>> fails at the end of it. If you put the failed drive into a PC you can see
> >>>>> 4 FAT 32 10G drive icons, so the machine is seeing and writing to the
> >>>>> drive. If you turn on the "physical format" option, the formatting takes
> >>>>> about 8 hours, and again fails right at the end. I've tried all jumper
> >>>>> combinations re: Master/slave etc.
> >>>>>
> >>>>> I have an old 80G Maxtor drive that the 2480 WILL format, though it is old
> >>>>> and very noisy. The drive I have bought is a Western Digital 160Gb PATA
> >>>>> drive. (WD1600AAJB)
> >>>>>
> >>>> You will likely need a slightly smaller drive. The old addressing system was
> >>>> only good to 127GB, so the largest you can likely use is a 120GB drive.
> >>> ^^^^^
> >>> 137GB.
> >> Depends on whether you count "gigabytes" as a marketing droid
> >> or as an engineer :-/
> >
> > AFAIK, disk drive manufacturers have as always defined a GB as
> > 1,000,000,000 bytes.
>
> Do you think a kilobyte is 1,000 bytes? And a megabyte is 1,000,000
> bytes?
>
> As I said, marketing droids consider it to be 10^9; engineers
> consider it to be 2^30. (some folks use GB and GiB to clarify
> the distinction when speaking owing to the unwashed masses
> blindly following marketing hype)

10^9 is GigaBullShit. :(

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

== 4 of 4 ==
Date: Fri, Nov 5 2010 10:00 pm
From: "Brenda Ann"

"Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
news:s7mdnX_M94FWVknRnZ2dnUVZ_gKdnZ2d@earthlink.com...
>> As I said, marketing droids consider it to be 10^9; engineers
>> consider it to be 2^30. (some folks use GB and GiB to clarify
>> the distinction when speaking owing to the unwashed masses
>> blindly following marketing hype)
>
>
> 10^9 is GigaBullShit. :(
>

1 KB = 1024 bytes
1 MB = 1024 KB (1048756 bytes)
1 GB = 1024 MB (1073741824 bytes)
1 TB = 1024 GB (1099511627776 bytes)

==============================================================================
TOPIC: Wharfedale DVDR24F DVD Freeview DVD recorder.
http://groups.google.com/group/sci.electronics.repair/t/299a3180a0393f9e?hl=en
==============================================================================

== 1 of 3 ==
Date: Fri, Nov 5 2010 1:21 pm
From: PeterD

On Fri, 5 Nov 2010 15:17:58 -0000, "Ian Field"
<gangprobing.alien@ntlworld.com> wrote:

>Looking for a replacement remote and user manual.
>
>Maybe its a re-badged something else that's easier to get customer service
>for?!
>
>Thanks.
>

Can you post an image or link?

== 2 of 3 ==
Date: Fri, Nov 5 2010 2:17 pm
From: "Ian Field"

"PeterD" <peter2@hipson.net> wrote in message
news:5qp8d6puma9dfdntl7rih5kh4hkfadj5aa@4ax.com...
> On Fri, 5 Nov 2010 15:17:58 -0000, "Ian Field"
> <gangprobing.alien@ntlworld.com> wrote:
>
>>Looking for a replacement remote and user manual.
>>
>>Maybe its a re-badged something else that's easier to get customer service
>>for?!
>>
>>Thanks.
>>
>
> Can you post an image or link?
>

2nd hit on google:

http://www.amazon.co.uk/DVDR24F-WHARFEDALE/dp/B0024DLHM6

Just as well - the unit I have isn't so presentable since I carved out the
front panel to clear the drawer on a PC DVD RW drive.

== 3 of 3 ==
Date: Fri, Nov 5 2010 5:16 pm
From: PeterD

On Fri, 5 Nov 2010 21:17:02 -0000, "Ian Field"
<gangprobing.alien@ntlworld.com> wrote:

>
>"PeterD" <peter2@hipson.net> wrote in message
>news:5qp8d6puma9dfdntl7rih5kh4hkfadj5aa@4ax.com...
>> On Fri, 5 Nov 2010 15:17:58 -0000, "Ian Field"
>> <gangprobing.alien@ntlworld.com> wrote:
>>
>>>Looking for a replacement remote and user manual.
>>>
>>>Maybe its a re-badged something else that's easier to get customer service
>>>for?!
>>>
>>>Thanks.
>>>
>>
>> Can you post an image or link?
>>
>
>2nd hit on google:
>
>
>http://www.amazon.co.uk/DVDR24F-WHARFEDALE/dp/B0024DLHM6
>
>Just as well - the unit I have isn't so presentable since I carved out the
>front panel to clear the drawer on a PC DVD RW drive.
>

Sorry, not the same as the one I have. I do know mine was sold under
at least three different names.

==============================================================================
TOPIC: Online Wholesale Air Jordan 2010, Nike Max 2010, Nike Dunk SB
http://groups.google.com/group/sci.electronics.repair/t/fa35130e6764d82c?hl=en
==============================================================================

== 1 of 1 ==
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==============================================================================
TOPIC: Wonderful Website!!!
http://groups.google.com/group/sci.electronics.repair/t/7cf70ef8e09ec549?hl=en
==============================================================================

== 1 of 1 ==
Date: Fri, Nov 5 2010 10:57 pm
From: spirite

Dear All,
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http://www.infotechse.info/jobs/idevaffiliate.php?id=10394

==============================================================================
TOPIC: Source for 1-1/4" speaker
http://groups.google.com/group/sci.electronics.repair/t/0f25d8677029bd7c?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Nov 6 2010 12:35 am
From: isw

In article <hv27d6l8n397c0ge35960qh81jefv16tis@4ax.com>,
JR North <junkjasonrnorth@bigfoot.com> wrote:

> The speakers in my Uniden cordless handsets are all very weak. I have
> improved them somewhat by raising the cone with some shims, but really
> need better ones. These are 1-1/4" dia. No joy w/Ebay or Google.

That's about the size of the drivers in inexpensive (OK; cheap)
earphones.

Isaac

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