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Microchip
Forum Small DVD Player blown IC chip
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  • microchip
Related

Small DVD Player blown IC chip

Former Member
Former Member over 15 years ago

Hello,

 

I am looking for a replacement chip for a DVD player that has blown.  I can read on the label 4953 on the first line and (triangle)9F4H on the second line.  I have looked at other ICs on the board and found the triangle in the same spot and the manufacturer is ATMEL.

 

image

 

Where would be the best place to start to find a replacement chip for this device?

Would it be worth the effort since the device cost me $120 to buy brand new?

 

Thanks in advance for any help.

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  • SGarciaV
    SGarciaV over 15 years ago

    Frankly, it might be better to simply get a new DVD player and use the blown unit for parts.

     

    I was not able to find any relevant information using the data that you gave. These might be industry standard markings or can be specific proprietary markings.

     

    If the chip is by ATMEL,we have to consider the possibility that it might be a programmable chip. If this is the case then you would also need the programming, not just the chip.

     

    If the chip blew then we have to consider that something else might be wrong with the unit, so even if the chip is replaceable, the original problem with the unit might cause the new chip to also blow.

     

    The pic that you provided shows damage to the PCB. Care must be taken to insure that the pcb is not damaged internally. PS: Can I show the pic to my A+ study group? :-)

     

    Of course, it would help if you could get the schematics to the DVD player, something that may or may not be available from the device's manufacturer. By studying the schematics you might be able to deduce the chip's function. Being a DVD player, it might have to do with the DVD's encryption of the content (just a guess here)

     

    As you can see, there are factors to consider when it comes time to decide whether a repair attempt is made or a new unit is bought. HTH! Salvador

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  • Former Member
    Former Member over 15 years ago in reply to SGarciaV

    Salvador,

     

    Thanks for your timely response.

     

    From the looks of things for the price, it might slot firmly into the too hard basket.

     

    You can show the image to your group if you like.

     

    Cheers

    Alex

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