Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Karol30
 
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Default RISC Microprocessor...

Hello all,

One of my friends has an arcade jamma board which he dropped and damaged the
microprocessor. The part is labeled ORION IDT 79R4600-100MS. Is it possible if
I purchase a new one it will work? I am unsure how they work, do they get
programmed with sets of instructions or are they like PC processors where you
can swap a dead one with a new one? I am experienced in soldering these type of
SMT components so soldering will be no problem.

My search for this part has not been an easy one either. Any reccomendations of
sites to try? Here is a list of what i've tried searching.

www.arrow.com
www.avnet.com
www.mouser.com
www.digikey.com
www.future-active.com
www.alliedelec.com

Any help is greatly appreciated!!! TIA!!!!
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James Sweet
 
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"Karol30" wrote in message
...
Hello all,

One of my friends has an arcade jamma board which he dropped and damaged

the
microprocessor. The part is labeled ORION IDT 79R4600-100MS. Is it

possible if
I purchase a new one it will work? I am unsure how they work, do they get
programmed with sets of instructions or are they like PC processors where

you
can swap a dead one with a new one? I am experienced in soldering these

type of
SMT components so soldering will be no problem.

My search for this part has not been an easy one either. Any

reccomendations of
sites to try? Here is a list of what i've tried searching.

www.arrow.com
www.avnet.com
www.mouser.com
www.digikey.com
www.future-active.com
www.alliedelec.com

Any help is greatly appreciated!!! TIA!!!!


Can you find a datasheet from the manufacture? Are you sure the part is
damaged beyond repair? Often if a corner breaks off you can still do some
careful surgury.


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Karol30
 
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Default

here is an image of the actual damage, ouch!

http://members.aol.com/karol30/damage.jpg
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NSM
 
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"Karol30" wrote in message
...
| here is an image of the actual damage, ouch!
|
| http://members.aol.com/karol30/damage.jpg

Are any of the pins broken off of the chip?

N


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James Sweet
 
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"Karol30" wrote in message
...
here is an image of the actual damage, ouch!

http://members.aol.com/karol30/damage.jpg


Doesn't look too bad, you may be able to repair it with a dental pic and
some careful soldering. Replacing it wouldn't be much easier without a hot
air rework station.




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