sci.electronics.repair@googlegroups.com

Today's topics:

* help ID this LCD Tv! - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/e0c09307b1d8fb79?hl=en
* Tektronix PS 5010 GPIB - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/dc7863297017a799?hl=en
* Large IDE drives not compatable with old systems - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/739861bba23f7546?hl=en

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TOPIC: help ID this LCD Tv!
http://groups.google.com/group/sci.electronics.repair/t/e0c09307b1d8fb79?hl=en
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== 1 of 2 ==
Date: Sat, Nov 6 2010 5:22 pm
From: mm

On Sat, 6 Nov 2010 18:13:28 +0000 (UTC), Meat Plow <mhywatt@yahoo.com>
wrote:

>On Sat, 06 Nov 2010 11:01:55 -0700, b wrote:
>
>> On Nov 6, 2:37 pm, b <reverend_rog...@yahoo.com> wrote:
>>> A neighbour brought me this TV to have a look at. No name badge, and
>>> the label at the back just has safety warnings. He has lost the PSU so
>>> I opened it up. Here are the pics:
>>>
>>> http://www.mediafire.com/?3wawxq7ymwnqvkhhttp://www.mediafire.com/?
>qnnb96eqf8oyfpnhttp://www.mediafire.com/?bo4euo5dbm9ika1http://
>www.mediafire.com/?py62n3kngj1we1dhttp://www.mediafire.com/?
>x977hv9i3xzy06g
>>>
>>> the screen/display is a Sharp LQ150X1, seems quite common. Not so sure
>>> about the signal pcb and inverter though.Perhaps some kind soul could
>>> ID it and let me know what voltage and polarity (if DC) are needed.
>>> cheers,
>>> B
>>
>> update, a bit of continuity testing gave me the polatity of the plug, so
>> I hit it with 12v and it worked.
>> Would still like to know the maker though so I can programme a universal
>> remote.
>> -B
>
>
>Most universals have a mode where you can click through every code known
>to the universal. When you click through them and finally the TV comes on
>you hit the jackpot. I had to do this once with a TV that was not listed
>in the code book but did follow the codes of another brand.

Of course if you buy the old ones, like I do, they may not even have
the codes for newer devices.

If I bought a brand new one, would it have codes for digital-to-analog
set-top boxes?

== 2 of 2 ==
Date: Sat, Nov 6 2010 6:08 pm
From: "Michael A. Terrell"

mm wrote:
>
> Meat Plow wrote:
> >
> ?Most universals have a mode where you can click through every code known
> ?to the universal. When you click through them and finally the TV comes on
> ?you hit the jackpot. I had to do this once with a TV that was not listed
> ?in the code book but did follow the codes of another brand.
>
> Of course if you buy the old ones, like I do, they may not even have
> the codes for newer devices.
>
> If I bought a brand new one, would it have codes for digital-to-analog
> set-top boxes?

I haven't seen any that do, so far.

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

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TOPIC: Tektronix PS 5010 GPIB
http://groups.google.com/group/sci.electronics.repair/t/dc7863297017a799?hl=en
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== 1 of 1 ==
Date: Sat, Nov 6 2010 7:17 pm
From: D Yuniskis

Imre Fodor wrote:
> I got a used PS 5010 Power module,and it came with a GPIB board. I had
> to remove the GPIB board because the TM-6 power frame has no provision
> to take it ( the BPIB bard is protruding of the back of the PS5010,
> and that prevents the insertion into the TM-6).
>
> Now the unit is not powering up from any of the TM-6 slots. I suspect
> that I have to do something because the removal of the GPIB board.
>
> Is anybody have some knowledge on this subject?

Have you gone looking for a service manual?
Most Tek kit has decent documentation in that
regard...

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TOPIC: Large IDE drives not compatable with old systems
http://groups.google.com/group/sci.electronics.repair/t/739861bba23f7546?hl=en
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== 1 of 1 ==
Date: Sun, Nov 7 2010 1:14 am
From: Mike Tomlinson

In article <oTGAo.57233$7p5.33151@newsfe22.ams2>, Gareth Magennis
<sound.service@btconnect.com> writes

>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.

It's probably because you are trying to use a drive that is too large
for the Roland's firmware to cope with. There is an addressing limit of
28 bits = 137GB. What happens with older BIOSes and drives >137Gb is
that writes past the 137GB mark "wrap around" to the beginning of the
disk, destroying whatever is there. That is why your attempts to format
fail at the end.

Try and get hold of a 120GB or smaller drive. My bet is that it'll then
work.

> Shame you can't buy the drives any more.

You can. Ebay is your friend. I've just bought three 120Gb drives for
a specific project with a capacity limitation similar to yours. They
all work fine.

e.g. fleabay 250720202527

--
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(='.'=)
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