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UpDate ZD-915 Desoldering Station Repair

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    UpDate ZD-915 Desoldering Station Repair

    If you have one of these De-soldering Station there is an important repair

    IF

    You have this problem

    When you try to power up it -----> and it stays on for 2 seconds and goes OFF and restarts and keep doing same thing here is the fix for this problem

    or if you can hold the suction switch and turn unit on and powers off and on
    replace diode D1 = M7

    The problem was ( D1 ) shorted the part # is ( M7 )


    If you want to have blow up view of the photos go to this post
    https://www.badcaps.net/forum/showthread.php?t=39651
    Go to post # 20

    Here is were you find this diode

    http://www.ebay.com/itm/100Pcs-1N400...UAAOSw~gRV5mGP

    I hope this help
    Attached Files
    Last edited by sam_sam_sam; 12-23-2015, 06:49 PM.
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps
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