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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


2 posters

    SCA-35 PEC555002 broken...

    avatar
    carcy


    Posts : 20
    Join date : 2023-01-20

    SCA-35 PEC555002 broken... Empty SCA-35 PEC555002 broken...

    Post by carcy Mon Feb 20, 2023 8:56 am

    Hello !!!
    I continue my sca-35 restoration. I unmount the front panel...
    What I see ?

    SCA-35 PEC555002 broken... Imag4112

    What can I do ? do you think It is working ? Or can I create a new one with smd ?
    Thanks for reply

    JL

    peterh
    peterh


    Posts : 1869
    Join date : 2012-12-25
    Location : gothenburg, sweden

    SCA-35 PEC555002 broken... Empty Re: SCA-35 PEC555002 broken...

    Post by peterh Mon Feb 20, 2023 9:17 am

    carcy wrote:Hello !!!
    I continue my sca-35 restoration. I unmount the front panel...
    What I see ?

    SCA-35 PEC555002 broken... Imag4112

    What can I do ? do you think It is working ? Or can I create a new one with smd ?
    Thanks for reply

    JL

    The schematics is in the sca35 manual. You can measure and see if it's ok, or if you like
    build a new one.SCA-35 PEC555002 broken... Pec55511
    avatar
    carcy


    Posts : 20
    Join date : 2023-01-20

    SCA-35 PEC555002 broken... Empty Re: SCA-35 PEC555002 broken...

    Post by carcy Mon Feb 20, 2023 12:39 pm

    Yes... I'm not very strong in measures ! Laughing Laughing
    I prefer build a new one ! first step, applying the typon onto the PCB...
    SCA-35 PEC555002 broken... Imag4113
    I will use smd 1206...
    Do you think capacitors rating 50V will be enough ?
    And resistors at 1/4W 1% precision ?

    peterh
    peterh


    Posts : 1869
    Join date : 2012-12-25
    Location : gothenburg, sweden

    SCA-35 PEC555002 broken... Empty Re: SCA-35 PEC555002 broken...

    Post by peterh Mon Feb 20, 2023 3:38 pm

    Yes 50V caps will be fine 1/4 w resistors too.
    Will you make a batch of these? My guess is that they would be attractive.
    Longer leads would make it easier to tuck them closer to the wall and further from the
    power switch and indicator lamp.

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    SCA-35 PEC555002 broken... Empty Re: SCA-35 PEC555002 broken...

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