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texas star 500v

Discussion in 'Amplifiers' started by john warmack, Oct 9, 2019.

  1. john warmack

    john warmack New Member

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    blew the c40 cap. don't now the value but know it's 50 volts any help out there. and don't know why i blew
    any help greatly thankful john ki4tbb


     

  2. Doc813

    Doc813 Member

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    The older schematic says it's 33uf at 25v so the 50v rating is ok and 33 to 100 uf i'm sure would be ok their ....maybe some rf got into it an let the smoke out ...good luck
     
  3. Shadetree Mechanic

    Shadetree Mechanic 808 On The North Side of Dover

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  4. Shadetree Mechanic

    Shadetree Mechanic 808 On The North Side of Dover

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  5. Doc813

    Doc813 Member

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    I thought i done said that maybe i was dreaming lol
     
  6. john warmack

    john warmack New Member

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    thanks everybodyhad a schematic no value for hat cap on
     
    dledinger likes this.
  7. john warmack

    john warmack New Member

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    thanks doc having a lot of power company noise close to trans former 35ft -- swr1.2 running 70 amp pyramid power supply no battery should i put a battery in line to stabilize power input
     
  8. Shadetree Mechanic

    Shadetree Mechanic 808 On The North Side of Dover

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    Sorry about that, just trying to show him where to look.
     
  9. 9C1Driver

    9C1Driver Sr. Member

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    A 70 amp supply should be fine even if it is a Pyramid. I would add a fan to the heat sink area of the amp and don't over drive it.
     

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