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'[EE] Replacement-IC in a dead TFT-screen PSU'
2007\07\01@154732 by Rikard Bosnjakovic

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I got a TFT-screen from a friend of mine. It's in mind condition,
except for the cruical part that it won't turn on. I suspected some
flaw in the PSU, so I opened up and checked it out.

Between the mains-input and the 5V/12V-output (some sort of
filtering-part I presume) is an 8DIP IC branded "ICE 2A510" that has,
literally, broken into two pieces. Perhaps from an overvoltage, I
don't know.

Anyway, I am going to replace this one to see if I can get the monitor
alive again. But the problem is, I cannot find a supplier for it.
Googling gives me two datasheets that are unavailable, and it's
labeled "bandfilter 5.5GHz" or similiar.

The biggest electronic parts supplier here in Sweden does not have
this IC in stock, nor does Farnell (in UK).

Can anyone check around with their local (or domestic) suppliers if
this IC can be found? I'm pretty sure that "ICE 2A510" is the name of
it, but if not - I can take a picture of it to remove any
uncertainities.


--
- Rikard - http://bos.hack.org/cv/

2007\07\01@163804 by Jinx

face picon face

> labeled "bandfilter 5.5GHz" or similiar.

Sounds like an odd component for an LCD PSU. It's probably
an in-house or custom part. You might do better looking for a
service manual to find out what it is or get a replacement from
the distributor/agent

2007\07\01@222007 by Bob Blick

face picon face


Rikard Bosnjakovic wrote:
{Quote hidden}

More likely it's an optocoupler or a dual MOSFET.

Cheerful regards,

Bob

2007\07\03@194235 by Rikard Bosnjakovic

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On 7/2/07, Bob Blick <spam_OUTbbblickTakeThisOuTspamsbcglobal.net> wrote:

> More likely it's an optocoupler or a dual MOSFET.

I was too lazy the other day so I didn't bother contacting the
manufacturer for a new PSU or the IC in question.

Instead, I modded the TFT-PSU and a PC-PSU to fit nicely together
using a dsub-9. Works as a charm. Stockpiling PC-PSUs some years ago
really was a good idea.

http://bos.hack.org/hacks/TFT/


--
- Rikard - http://bos.hack.org/cv/

2007\07\04@102611 by Geo

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face
On 4 Jul 2007, at 1:42, Rikard Bosnjakovic wrote:

> On 7/2/07, Bob Blick <.....bbblickKILLspamspam@spam@sbcglobal.net> wrote:
>
> > More likely it's an optocoupler or a dual MOSFET.
>
> I was too lazy the other day so I didn't bother contacting the
> manufacturer for a new PSU or the IC in question.
Looked at your pics and googled for Dell IC901 and found for sale on ebay:-
cgi.ebay.com/Dell-1800FP-Power-Supply-Repair-Chip-
Kit_W0QQitemZ220126347452QQcmdZViewItem
(watch for the wordwrap or search for Item number: 220126347452)
There is also a bit of diagnostic info there.
luck,


George Smith

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