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Anyone have magnavox eeproms in stock ??

Discussion in 'Electronic Repair' started by ShanesTV, Sep 29, 2003.

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  1. ShanesTV

    ShanesTV Guest

    hello folks,

    I have 2 old Magnavox TV's here at home that I'm fixing.
    They both need eeproms and Philips won't sell them to me because
    I'm not a business.

    They gave me the number of a guy here locally that supposedly
    will order them for me. but, he's not returning my calls.
    What is up with this ?!

    I'm hoping that one of you may have these old eeproms
    in a drawer somewhere or, know of a dealer that will sell them.
    The numbers on them are X2402P and the other, X2444P.
    They're out of a RP2590 and aRJ5540
    respectively. I'd rather pay you the $ rather than Philips anyway.


    thanks in advance,
    Jesse
     
  2. Bill Jr

    Bill Jr Guest

    Shane,
    You can purchase them both from www.tritronicsinc.com
    They both have been substituted with newer versions of the parts.
    The X2404P has been subbed with a 24C04 (common IC)
    Philips part number 483520917058

    The other one X2444P has been subbed with a 24C02 (also common)
    Philips part number 483520988104

    Good Luck,
    Bill Jr

    BTW, I can't remember ever having to replace a failed eprom for either of
    these sets. (other than lightning damage)
     
  3. Impmon

    Impmon Guest

    Same here, EEPROM rarely fails unless it's been rewritten upward of
    million times. I would try having the EEPROM repogrammed first before
    buying new ones.
     
  4. ShanesTV

    ShanesTV Guest

    Thanks guys for the replies,

    How do I reprogram these eeproms ?
    Do I need that service remote ?

    Jesse
     
  5. mo

    mo Guest



    Could you let me know where to find information about
    reprogramming EEPROM"s please

    Or information about EEPROM's in general

    Gratefully - Mo.
     
  6. TV Fixer1

    TV Fixer1 Guest

    Have seen several of these go bad over the years; symptoms are TV won't
    remember any customer settings after being shut off.
     
  7. ShanesTV

    ShanesTV Guest

    Well, the new eeproms fixed one set.

    That eeprom must have been taken out when the filter cap for the stndby voltage
    went bad.
    When I replaced the cap the set came on
    but with no channel memory and no sound.

    The other set still has no sound even with a new eeprom. Back to the drawing
    board on that one.

    Here's the clincher...Bill, in an ealier post, said that the eeprom crossed to
    a 24C04. The same ones used in
    Thompson CTC chassis !
    I had a couple of those laying around
    in a drawer myself. Well, it fixed one of the sets.

    Thanks for all your help.
    Jesse
     
  8. Bill Jr

    Bill Jr Guest

    What's the model number of the one you need to get fixed?
    I've got the schematics at work and it may well outline a procedure for
    setting the defaults.

    Cheers,
    Bill Jr
     
  9. ShanesTV

    ShanesTV Guest

    Bill;

    The TV that's screwed up is a RJ5540

    Jesse
     
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