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Panasonic AG-5700

Discussion in 'Electronic Repair' started by VCR Gymnast, Apr 3, 2005.

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  1. VCR Gymnast

    VCR Gymnast Guest

    Hi All,

    I have an interesting situation: two AG-5700 VCRs with the identical
    problem--the tape will not get threaded. The cassette gets ejected a
    second or two after it gets seated. I think this is a timing problem,
    possibly because the gearing is off by a tooth or two.

    I know that the cassette basket needs to be "spring-loaded" and I have
    adjusted it several times. Although it looks right, the problem
    persists. I have seen the markings on the gear that interacts with the
    mode switch, but I must still be doing something wrong in getting the
    proper alignment to get the timing right.

    Here is my question: is there something I can try before sending these
    out for service? If so, I sure would appreciate your suggestions.
     
  2. VCR Gymnast

    VCR Gymnast Guest

    Just to clarify, these are Panasonic AG-5700 S-VHS Portable Industrial
    VCRs
     
  3. none

    none Guest

    If I recall these models were slave decks for the AG editing system
    and for industrial playback etc...( I had the AG 1950 and 1960's in my
    video service back in the late 80's and I'm thinking that I had the
    5700's as slaves for them.)
    If you want to use these for any serious/heavy use you'd do better to
    have a Panasonic industrial repair shop have a go at them.( I DO NOT
    recommend taking them to a regular consumer repair facility unless you
    know for sure that the tech's there are able to work on
    broadcast/industrial equipment.)
    You might try asking over at rec.video.production first. Someone
    there might be able to help you out.(Many of us on that group still
    have some of the high end 1/2 inch stuff and service them ourselves.
    I'd tossed my books on most of the Panasonic stuff I had. Just have a
    repair manual for the AG7400's that I still use from time to time.)
     
  4. VCR Gymnast

    VCR Gymnast Guest

    I decided to have another go at it and, not having the service manual,
    I made some educated guesses to re-align the gears by eye in both
    machines. Well, guess what....they both work PERFECTLY now!! Case
    closed.
     
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