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  1. #1

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    Mamiya 645AFD loses contact with back

    I picked up a used 645AFD at an auction some weeks ago. After some days use it suddenly starts to lose contact with the film back. When it happens the AF also turns dead. Normally all that takes to fix it is to insert the dark slide, detach the back and re-attach it. But then the back can get a bit confused and start to wind the film (like when you've loaded it with a fresh roll).

    I've changed batteries of course. I've looked at the connections between the back and the body and they look nice.

    This really pisses me off I must say. Anyone experienced this?

  2. #2

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    You might try cleaning the contacts with a Q-tip dipped In alcohol. Sometimes just the crap in the air we breathe will build up a thin layer of oxidation/tarnish even on gold plate.
    Heavily sedated for your protection.

  3. #3
    keithwms's Avatar
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    Does it happen with another back? Do you have another to test it with?
    "Only dead fish follow the stream"

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  4. #4

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    Quote Originally Posted by keithwms View Post
    Does it happen with another back? Do you have another to test it with?
    I have two backs, and I run into the same problem with any of them.

  5. #5

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    Quote Originally Posted by John Koehrer View Post
    You might try cleaning the contacts with a Q-tip dipped In alcohol. Sometimes just the crap in the air we breathe will build up a thin layer of oxidation/tarnish even on gold plate.
    I'll try that. Thanks.



 

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