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Thread: Repairing Pentax digital spot meter

  1. #1
    Cogito, ergo sum
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    Repairing Pentax digital spot meter

    My Pentax digital spot meter suddenly died. I check the battery and it still has energy, so the problem come from the spot meter. I always keep it in the dry cabinet when it is unused.
    Anyone has experience please advise. Can I fix it by myself? Or send it to Richard Ritter?
    Life = Love + Passion + Responsibility

  2. #2

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    Re: Repairing Pentax digital spot meter

    Richard ritter. If you take it apart, then what? Are you an electonics guru?

  3. #3
    Do or do not. There is no try.
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    Re: Repairing Pentax digital spot meter

    Richard Ritter or Quality Light Metric. Both in the US, sorry.

  4. #4
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    Re: Repairing Pentax digital spot meter

    I know that sending it to RR or QLM would be the best choice. But this will take money and time, something I dont have much now. So I hope it can be fixed by a normal guy with good electrical skill.

    One more thing: Which battery to choose? Silver or Lithium?
    Life = Love + Passion + Responsibility

  5. #5

    Re: Repairing Pentax digital spot meter

    Try a new battery. Once the voltage of a battery drops below a set voltage, set in the meter, the meter will stop working.
    Battery type dose not matter.
    Richard T Ritter
    www.lg4mat.net

  6. #6

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    Re: Repairing Pentax digital spot meter

    Yes, take Richards advice with a new battery. I had that same problem and a new battery was the solution, so worth a try. I think (tho not sure) the original designers of the Pentax spot were afraid that when the battery voltage dropped the readings could be erroneous so they automatically put the meter in shut down mode at low battery voltage.

    Nate Potter, Austin TX., Chatham MA.

  7. #7
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    Re: Repairing Pentax digital spot meter

    try cleaning the battery box also check the springs holding the battery in place. I will most battery boxes are so check for what you pay
    Also check the battery even if it new more one time I have found bad new battery's

    Dave

  8. #8

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    Re: Repairing Pentax digital spot meter

    Quote Originally Posted by jumanji View Post
    ...One more thing: Which battery to choose? Silver or Lithium?
    Quote Originally Posted by RichardRitter View Post
    ...Battery type dose not matter.
    Actually, battery type does matter. See my posts, especially #6, in this thread:


    It's amazing what one can find by searching the archive here.

  9. #9
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    Re: Repairing Pentax digital spot meter

    Thanks all.
    I did check and the battery as well as the battery chamber are clear.
    I measured the votage of the battery is 5.63V. It's an alkaline Enercell PX28A. I will buy a new silver oxide to check. If it still not working I think I will have to send it to you Richard. The whole shipping process (go and come back) will take about 5 weeks, and I dont have the ability of Ansel Adams with that Moon over Hernandez .
    Indeed I did search and read you post Sal. I thought it's better if there is more comment regarding this problem (type of battery).
    Now I'm thinking about having a spare meter .
    Life = Love + Passion + Responsibility

  10. #10

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    Re: Repairing Pentax digital spot meter

    If a new battery doesn't work I'd suggest checking the battery terminals for any corrosion. If there's no corrosion open up the meter and check the soldering joints for any loose connections. If the connections are good then it might be a capacitor. Mouser electronics are a good online source for capacitors and electronics. I've repaired an older pentax 1/21 spot meter and a Mamiya metered prism, most of it was corroded terminals and re-soldering some wires. Good luck!

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