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  1. #1
    Malcolm H's Avatar
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    PCM10X Backup Battery

    Can anyone tell me if the backup battery in a JR PCM10X is draining all the time or does it only drain when the main battery is removed/flat?

    Also can the data be retained during backup replacement by the main battery?

    Thanks,

    Malcolm

  2. #2

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    RE: PCM10X Backup Battery

    The lithium cell supplies the memory when the set is switched off. However, the onboard capacitor will supply sufficient power for a couple of days before the cell kicks in

    Yes it is quite normal for all memories to be safe

  3. #3

    Join Date
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    RE: PCM10X Backup Battery


    ORIGINAL: Malcolm H Can anyone tell me if the backup battery in a JR PCM10X is draining all the time or does it only drain when the main battery is removed/flat? Also can the data be retained during backup replacement by the main battery? Thanks, Malcolm
    As in post #2, provided a JRTx is turned on for a few moments every second day, the capacitor saves drain on the battery.
    This will provide 3<5 years life for the on board Lithium button cell but even 7 years has been realised by frequent users.
    If replacing the button cell is not done correctly, then user will loose their model data, the following may assist:
    . JR - DIY Replace back up Lithium Memory Battery
    . JR - DIY Replace back up Lithium Memory Battery (Pictorial)
    Good photos and schematics to use a cell holder rather than hard solder to board
    . Reviving My Old Glory JR X347 PCM Transmitter
    with more under sub section
    "Transmitter - FAQ - Additions, Adjustments, Mode Change, Clonepacs & Repairs."
    below
    "Radio Systems, Accessories, Alterations and FAQ" at
    Alan's Hobby, Model & RC FAQ Web Links

    Alan T.


    R/C hobby consultant for various companies

  4. #4
    Malcolm H's Avatar
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    RE: PCM10X Backup Battery

    Thanks guys,

    Malcolm


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