Blombery dryer part

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  • #103152
    euro
    Participant

    Looking for part number for main PCB for this, model number is LTK21003W S/N-22-200151-03

    Andy

    #491974
    electrofix
    Moderator

    i get

    2969844902

    no stock anywhere

    Aswo Quoting 3-4 week

    Whats wrong with the board ?

    Dave

    #491975
    euro
    Participant

    The board is just dead, getting power to it but nothing coming out

    Andy

    #491976
    electrofix
    Moderator

    ok that may well be repairable

    there are 2 or 3 capacitors on the board

    look at the rated voltage

    one will be 400V. you can power the board and check for voltage on that cap. it should be 320v or so DC

    if thats ok check the other caps. these have lower voltages 5 to 20v DC or so

    if you dont get the 400v look for a fusible resistor to see if its gone. also look closely at the power chip, its a 7 leg chip look for a small blemish the size if pin head on the top surface, normally shiny. I get that mark if the chip overheats inside and goes faulty

    if you get the 400v but nothing on the output caps its most likely the chip. if you get a voltage on the output caps that seems to rise then dies then there is a problem somewhere else on the board and it needs changing

    cant find a decent pic of the board components to point thins out to you

    if you can solder its a cheap fix if it works. aswo stocks some chips otherwise its ebay. dont know the chip no on this board but they often begin LNK or TNY

    Dave

    #491977
    euro
    Participant

    Thanks Dave i will give that a try and see what i can come up with

    Andy

    #491978
    electrofix
    Moderator

    ok am here if you want help

    Dave

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