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SA-9100 Faceplate Letters

Discussion in 'Pioneer Audio' started by madders, Jul 26, 2017.

  1. madders

    madders Active Member

    Messages:
    106
    Hi everyone,

    I bought an SA-9100 a few months ago, in working condition, but needed a bit of the clean. I've just washed the faceplate in hot soapy water and some of the letters have come off!

    IMAG0255.jpg

    I guess the water must have been too hot, or I left it too long. I've found a couple of old threads about faceplate restoration, but just wanted to see if anyone had any tips how to fix it.

    Thanks!
    Michael
     

     

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  2. MacNoob

    MacNoob dazed and confused

    Messages:
    2,110
    Location:
    Longitudinal Center of Canada
    Looks like those letters are engraved into the faceplate, not just printed on?

    If engraved it's easy, get some black paint and a tiny brush or toothpick and drop the paint into the groove bit by bit. I've done this with metal car emblems but never an engraved faceplate.
     
    Oldsansui441 and jobrewer1983 like this.
  3. madders

    madders Active Member

    Messages:
    106
    Yes they are engraved, sorry I didn't realise the picture isn't very clear. Can you recommend which kind of paint to use?
     
  4. MacNoob

    MacNoob dazed and confused

    Messages:
    2,110
    Location:
    Longitudinal Center of Canada
    I used the little bottles of Testor's enamel from the hobby store.
     
  5. jobrewer1983

    jobrewer1983 AK Subscriber Subscriber

    Messages:
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    Location:
    San Jose, CA
    Now that sounds like a great weekend task! Love the detail work. Great idea!!

    Kind Regards,
    John
     
  6. petehall347

    petehall347 the brandy coffee man Subscriber

    Messages:
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    Location:
    uk.. the middle bit
    makes me wonder how they were done on a large scale .. all i can guess is the whole panel was painted then rubbed down to remove excess then lacquered .
    i wonder if a something like a rubber scraper could push paint into the etched parts and remove excess at same time . small amount of excess could perhaps be removed after drying without damaging the lacquer .
     
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  7. jobrewer1983

    jobrewer1983 AK Subscriber Subscriber

    Messages:
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    I would bet you can take it to a local trophy shop and they may be able to lend a hand... :)
     
  8. KeithD

    KeithD AK Subscriber Subscriber

    Messages:
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    Location:
    La Crosse, WI
    They may have been heat stamped. This is where a film with paint applied is positioned between the item to be stamped an a heated metal stamp. When the item is stamped, the paint remains in the indentations created.
     
  9. petehall347

    petehall347 the brandy coffee man Subscriber

    Messages:
    26,877
    Location:
    uk.. the middle bit
    i would never have thought about that way .but i can see it would work good .
     
  10. restorer-john

    restorer-john Addicted Member

    Messages:
    5,851
    Location:
    Australia
    Just paint over/into the letters (it doesn't matter what excess there is around the letter), wait for the enamel to partially get 'tacky', and then use a thin cotton rag wetted with turpentine, stretched over your finger to give a convex shape to carefully rub the surface paint off and it leaves the paint in the embossed letters. Then polish the panel after the paint is dry. I use that method when I restore Sunbeam Mixmasters as their letters always come off...

    IMG_1299.JPG

    IMG_1301.JPG

    IMG_1302.JPG

    IMG_1300.JPG
     
    Last edited: Jul 26, 2017
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  11. Oldsansui441

    Oldsansui441 AK Subscriber Subscriber

    Messages:
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    Location:
    Victoria, Australia
    Had to do this on a Pioneer SA-8500, tedious but comes out great.
     

     

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  12. Zekeman

    Zekeman Super Member

    Messages:
    2,398
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    Those mixers are very cool.
     
  13. madders

    madders Active Member

    Messages:
    106
    Hey everyone,

    Thanks for the advice! It's taken 6 months, but I finally painted the letters back.

    I used enamel paint, and pretty much did exactly as restorer-john said. It's impossible to paint it into the groove perfectly, so I just rubbed the excess off afterwards with some isopropyl alcohol. Took a while, but looks good now!

    Those mixers look great by the way!


    IMAG0030.jpg
     
  14. Oldsansui441

    Oldsansui441 AK Subscriber Subscriber

    Messages:
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    Location:
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    Looks great madders, has come out very nicely :thumbsup:. This is where engraved faceplates have a big advantage over silkscreened faceplates.
     

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