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Thread: Quad 33 help please

  1. #1
    Join Date: Mar 2015

    Location: Devon

    Posts: 43
    I'm David.

    Default Quad 33 help please

    On deciding to try and get dad's old gear going I'm starting with the 33 first issue is i can't seem to get power. I have mains and the fuse is OK but it seems nothing at the psu, could someone tell me what voltage I should be getting and where please.
    I'd like to repair it im pretty handy with a soldering iron and have built electronics kits before I dont know what components do but I can fit them.
    Failing that any reccomendations on where or who to send it to I've tried contacting quad but as yet no joy.

    17614694911260.jpg

    Dave
    Last edited by Bbdave; 26-10-2025 at 09:44.

  2. #2
    Join Date: Mar 2015

    Location: Devon

    Posts: 43
    I'm David.

    Default

    Update somehow it came to life! Maybe it was a dirty contact in the volume switch but who knows im happy it lives.
    Im going to order a set of replacement boards for it off ebay there's a guy on there that's selling a set of new boards.

    Dave.

  3. #3
    Join Date: Jan 2009

    Location: Essex

    Posts: 37,839
    I'm openingabottleofwine.

    Default

    That's good news Dave.

    When you get around to replacing the PCBs, I would suggest you also clean all switches and potentiometer with an aerosol switch cleaner. You won't be able to clean the mains switch on the back of the volume control, but a few "on and off" switch turns won't do any harm.

    Let us know how you get on.
    Barry

  4. #4
    Join Date: Feb 2009

    Location: Burgundy, France

    Posts: 143
    I'm Jacques.

    Default

    Hello,
    Why would you need new boards? What’s wrong with the old ones?
    A link to the eBay seller? Ferndale?
    If it's broke fix it.

  5. #5
    Join Date: Mar 2015

    Location: Devon

    Posts: 43
    I'm David.

    Default

    Quote Originally Posted by chartz View Post
    Hello,
    Why would you need new boards? What’s wrong with the old ones?
    A link to the eBay seller? Ferndale?
    My dad told me one of the channels wasn't working I know the large pcb that plugs into the back has one edge snapped so it could be that?.
    I have ordered some bits to convert the sme tonearm to rca sockets which doesn't look a hard job then I can fit the arm to the turntable so I need to find out how to set that up the sme protractor seem a bit steep at £10 for what looks like a piece of paper.

    Dave

  6. #6
    Join Date: Feb 2009

    Location: Burgundy, France

    Posts: 143
    I'm Jacques.

    Default

    Hi,
    If tracks are broken then yes. Inspect the PCB, possibly post a photo of the damage.
    If it's broke fix it.

  7. #7
    Join Date: Mar 2015

    Location: Devon

    Posts: 43
    I'm David.

    Default

    Quote Originally Posted by chartz View Post
    Hi,
    If tracks are broken then yes. Inspect the PCB, possibly post a photo of the damage.
    Tracks definitely broken so its definitely worth replacing that one to start with?. Yes Ferndale on ebay.

    Dave

  8. #8
    Join Date: Feb 2009

    Location: Burgundy, France

    Posts: 143
    I'm Jacques.

    Default

    No, just repair it. Superglue the two bakelite parts and solder bridges would in most cases suffice. A photo will tell what can be done.
    If it's broke fix it.

  9. #9
    Join Date: Mar 2015

    Location: Devon

    Posts: 43
    I'm David.

    Default

    Quote Originally Posted by chartz View Post
    No, just repair it. Superglue the two bakelite parts and solder bridges would in most cases suffice. A photo will tell what can be done.
    I'll take a picture later and post it.

    Dave

  10. #10
    Join Date: Feb 2009

    Location: Burgundy, France

    Posts: 143
    I'm Jacques.

    Default

    Good.
    If it's broke fix it.

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