The dsl joey mod thread

Discussion in 'The Workbench' started by TwinACStacks, Apr 5, 2010.

  1. Cascadem

    Cascadem New Member

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    Last edited: Aug 28, 2016
  2. guitardude57

    guitardude57 New Member

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    I have a DSL 40C here, with the board DSL 100-60-00 Series one. Has the single large board. Have you a schemo and mod list for this creature? All my schemos for the DSL stuff does not really match up.
     
  3. 6StringMoFo

    6StringMoFo Well-Known Member

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    Someone has the resources to translate?

    My Main board is a JCM2-60-00 ISS20
    My front board is a JCM2-61-00 ISS345

    Looking to translate this components.
    -----------------------------------------------------------
    JCM2 60-02 iss5 (Tube) AND JCM2 61-00 iss1 (Front)


    Front Board:

    NOTE: THESE MODS AFFECT THE RED LEAD 2 MODE ONLY (removing C12 will also darken Lead 1)

    1M Resistor from Wiper to Ground on Vr3 **** (DONE)
    C12 Lower to 150pf or REMOVE (I removed it) (DONE)
    C10 replace with .0022 uf
    R20 Remove and JUMPER

    **** These can be bridged on the other side of the Board. Find the 4 Pins that are the Actual Pot terminals, (Not the Two Board mounting pins), follow the Traces. The inner one that has R19 on it is the WIPER, the outside one that connects to Con 5 pin 2 is the Ground. ( Using your meter set to continuity works well here) Solder your 1M across these 2 pins leaving the legs long, then bend flat to board using a piece of electrical tape attached to the board to insulate the leads from accidentally shorting out to any other exposed solder connections. Electrical splicing tape works quite well here as it adheres to the board better than vinyl electric tape.


    Mainboard:

    NOTE: THESE MODS AFFECT ALL CHANNELS/MODES

    C9 replace with 1000pf (.001uf) 500V
    C12 replace with 1uf 63V
    -----------------------------------------------------------
     
  4. 6StringMoFo

    6StringMoFo Well-Known Member

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    Aye, Marshall sent me all their schematics hah. I'm doing the mods now.
     

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