Capacitor value inside clock | FerrariChat

Capacitor value inside clock

Discussion in 'Mondial' started by swong46, Jul 15, 2018.

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  1. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    Did some digging around to take care of a long list of small things not working on my car. Turns out the sunroof and antenna works beautifully.

    Then took the clock apart and found one of the capacitors had blown up. Insulation was all over the inside but the label was mostly missing. Some previous owner might have opened it up before because I found the clock unplugged...

    Does anyone have pictures showing what value it might be?

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    And side note, I found it weird that to see a vampire tap on the yellow and pink wires. Traced the yellow to a crimped pin on an OEM connector so seems the tap is from the factory?

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  2. theunissenguido

    theunissenguido Formula 3
    Owner Silver Subscribed

    Jan 21, 2004
    2,372
    Argent/Brasil
    Full Name:
    Guido
    You can ask Afterburner from HK...I believe he already openend this clock also !

    Guido
     
  3. afterburner

    afterburner F1 Rookie
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    Jun 20, 2008
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    Hong Kong
    That wire tap in NOT OEM...
     
  4. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    Thank you! Any chance you have the transistor part number too? Looks like it is blown too.
     
  5. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    Thanks a lot afterburner! Cannot get that transistor anymore but hopefully I can get this sorted with the help of the EE's I work with.
     
  6. afterburner

    afterburner F1 Rookie
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    Jun 20, 2008
    3,220
    Hong Kong
    You're welcome. Which transistor to you need? The big one or the the small ones?
     
  7. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    The big one, NSE18C?
     
  8. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    Replaced everything and nothing happens. Busted out the FLIR and the burnt resistor we replaced was seemingly getting too much current passing through. It was burnt so it was estimated as an 81 ohm 5% resistor. Do you know the colour code of this one so I can double check? Looks like "X, Red, Brown, Gold"?

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  9. afterburner

    afterburner F1 Rookie
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  10. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    Ended up buying another clock but from a Lancia. Turns out the main board is exactly the same, just the front display pcb is a different shape. But in parallel, designed and built up a prototype of the digital clock/data display unit. Will add more pictures and details in my main thread!

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  11. afterburner

    afterburner F1 Rookie
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    Jun 20, 2008
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  12. jkstevens2

    jkstevens2 Formula Junior

    Aug 25, 2015
    278
    Winter Park, FL
    Full Name:
    JK Stevens
    My clock doesnt work either. Is this a potential DIY fix. I can handle soldering. How did the clock come out of the dash board?
     
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  13. kevinkw

    kevinkw Karting

    Apr 19, 2009
    114
    Seattle, WA
    Full Name:
    Kevin
    Same here, non- functioning clock on a QV. How do we take it out of the dash cluster?
     
  14. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    It comes out really easy. Remove the tach, the entire right side (clock and gauges) is one unit that can be swung over. Then two screws in the back to remove the clock and it slides right out.
     
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  15. kevinkw

    kevinkw Karting

    Apr 19, 2009
    114
    Seattle, WA
    Full Name:
    Kevin
  16. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    I just used my fingers gripping the inside of the trim circle and pulling straight out. Mine came off super easy.
     
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  17. kevinkw

    kevinkw Karting

    Apr 19, 2009
    114
    Seattle, WA
    Full Name:
    Kevin
    Any tricks to the bottom half of the tach? Used 3 different tools, wouldn't budge.
     
  18. kevinkw

    kevinkw Karting

    Apr 19, 2009
    114
    Seattle, WA
    Full Name:
    Kevin
  19. afterburner

    afterburner F1 Rookie
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    Jun 20, 2008
    3,220
    Hong Kong
    ... remove the two screws!
    unplug the brown plug...
     

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