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video tape stuck

Discussion in 'Electronic Repair' started by [email protected], May 2, 2008.

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  1. Guest

    got a video machine, video tape is not coming out..

    I found a post about this possibly being a weak power supply issue..

    I unplugged it. opened it up, could not see anything caught.

    could not scroll the scrolly thing (a site mentioned to try that)
    I removed magnetic tape of the tape from the mechanics of the video
    machine but that was irrelevant. It was not the tape's magnetic tape
    that was getting it caught.

    I noticed all symptoms were,
    ejecting DVDs was not working. no response
    ejecting VHS tape was not working
    LED was dim

    I guess it is weak power supply issue,
    is there anything I can do?

    e.g. in terms of replacing the power supply.. is it tricky, different
    video machines, different specs, hard to find a replacement?
    e.g. can I use a hacked ACDC adaptor, or computer PSU to get 12V or
    5V, and feed it somewhere to get the tape out?
    I am not an electronics geek.. but I do have a multimeter, and have
    used it as a computer techie.
     
  2. b

    b Guest

    make? model number? approx. age?
     
  3. Guest

    it would be better if your response was useful to others too, with
    other makes of video machine.
    e.g. if you have in mind sources of power supplies and websites
    covering various makes.

    Anyhow,
    mine is Sony SLV D950

    could be 5 years old
     
  4. b

    b Guest

    ????

    my query was a direct response to your post about a malfunctioning vcr
    unit, the aim being to find out more in order to provide specific
    advice (since there are thousands of vastly differing models out
    there, y'know...) it was not about 'making it useful to others with
    other makes of video machine (whatever that means).

    -B
     
  5. b

    b Guest

    for that model: check C1SS18(2200UF) and the load belts.
    if you can, hand cycle the mech to get the tape back into the cassette
    then disconnect the vcr load motor (assuming it uses one) - feed it 5v
    or so.
    replacing the power supply is not feasible as you will need to match
    the exact spec of your unit and they are often integrated to the main
    pcb. It's not like working on a PC.

    -B
     
  6. PeterD

    PeterD Guest

    For a person seeking advice, you are putting some rather interesting
    restrictions on replies to your post...
     
  7. Guest

    can I touch things in there reading voltages with my multimeter
    without getting electrocuted?
    I could detect a weak voltage, though detecting weak smps would be
    trickier (I think amps are measured in-circuit, so would have to cut
    the wire).

    Not sure about telling which part does what.. I will prob have to
    watch a working video machine with its top off. Is that safe, poking
    around with it plugged in?


    tx
     
  8. Guest

    Was just a suggestion, forget it. Specific is fine
     
  9. Guest

    <snip>

    you guys are a bit lame, here is a response from somebody (2 people
    infact) that I chatted to on IRC as in MIRC, in an electronics
    channel.

    did reach a conclusion at least..

    <me> could I get electrocuted using a multimeter inside a video
    machine when it is plugged in?
    <arc> yes
    <me> how does one do it without getting electrocuted?
    <arc> know what one is doing
    <arc> and be very careful
    <me> I won't be opening the power supply
    <me> is it still a problem?
    <arc> all depends on the machine.
    <me> ok.. anybody else?!
    <arc> by "video machine" you could be talking about anything from a
    camcorder to a TV or beyond.
    <me> VCR
    <me> news to me that video machine could mean TV or camcorder, but I
    see where you are coming from ther
    <arc> or arcade video game which is what I thought at first.
    <me> maybe we use different terms in uk vs usa
    <me> VCR of course is lower power.. so, is it still the samae answer?
    <me> is it possible to get electrocited poking around there if I do
    not touch the power supply?
    <arc> so long as the mains voltage is contained inside of a sealed
    power supply you should be safe enough.
    <me> k tx.. i will see if i can identify the psu!
    <arc> will probably be where the mains power comes into the unit.
    <me> got it..
    <me> it is literally a PCB, not enclosed
    <me> and I can't see it plugging in anywhere, so cannot see where I
    would tap with a multimeter
    <me> s/plugging in anywhere/plugging into the components

    --, begin asking the great, ash --
    <me> got a VCR that is not working, want to poke around with a
    multimeter to check DC voltagtes going into components, without
    getting electrocuted, but the PSU is literally a PCB, it is not
    enclosed.. And I cannot see where the components connecto to the PSU
    either.
    <ash> get a new one, there is no user serviceable part in a vcr
    <ash> beside they are so cheap now that it's just not worth to fix, it
    will cost you more in parts to fix it than buy a new one
    <me> wow, glad you are here, thanks ash, your word is gospel!
    /quit.

    ash actually talked me through extending the switch of a kvm switch
    once, e.g. where to solder, what wire to buy.. great guy.


    /quit.

    ash actually talked me through extending the switch of a kvm switch
    once, e.g. where to solder, what wire to buy.. great guy.
     
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