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05 MFD dark area - like CRT burn

Discussion in 'Gen 2 Prius Audio and Electronics' started by OldManHatch, Aug 7, 2021.

  1. OldManHatch

    OldManHatch New Member

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    #1 OldManHatch, Aug 7, 2021
  2. Another

    Another Senior Member

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    Looks like the backlighting is failing.
    A replacement MFD installed is $300 from places I’ve seen.
     
    #2 Another, Aug 8, 2021
  3. OldManHatch

    OldManHatch New Member

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    I spoke to someone about this.
    It’s sun damage.
    The digitizer definitely has to be replaced and maybe the depending on the damage the lcd.

    now I have another question.
    I haven’t pulled the MFD to verify the model # but according to Toyota the last 4 of the replacement is 7081 yet all the units I see on eBay that are 7080/7081 are the standard units not the nav unit.
    I have the nav unit.
    Is the catalog number incorrect.
     
    #3 OldManHatch, Aug 8, 2021
  4. TMR-JWAP

    TMR-JWAP Senior Member

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    the 7081 is the low-def model. It's actually -47081. Has 4 buttons (not 7 like yours) and is non-nav.
     
    #4 TMR-JWAP, Aug 8, 2021
    Last edited: Aug 8, 2021
  5. dolj

    dolj Senior Member

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    The picture in post #1 is also of a low-def unit.
     
    #5 dolj, Aug 9, 2021
  6. TMR-JWAP

    TMR-JWAP Senior Member

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    Technically correct, lol. Allow me to fix that...

    the 7081 is the low-def base model.
     
    #6 TMR-JWAP, Aug 9, 2021
  7. Another

    Another Senior Member

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    If it’s only the digitizer, it looks like the replacement part is cheap. Maybe $40
     
    #7 Another, Aug 10, 2021
  8. OldManHatch

    OldManHatch New Member

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    I just spent the $180 for a different unit.

    I think there is a company that buys used MFD for $75 so I may ship the old one to them provided the replacement works.


    Did all NAV units have Bluetooth
     
    #8 OldManHatch, Aug 10, 2021
  9. dolj

    dolj Senior Member

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    No.
     
    #9 dolj, Aug 11, 2021
  10. OldManHatch

    OldManHatch New Member

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    Well hope the one I got did if not I will send the other one off for repair
     
    #10 OldManHatch, Aug 11, 2021
  11. TMR-JWAP

    TMR-JWAP Senior Member

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    It's relatively important to replace an MFD with an identical model. I have about 15 mfds in my shop. I have two different test plugs for the different models. This is because different models have different pin-outs for receiving power. If the power supplied on the plug wires in your car-side harness does not match with the required 'power in' pins on the mfd, popping noises and smoke will come out of the mfd. I've accidently learned that lesson a couple times by plugging in the wrong test harness.
     
    #11 TMR-JWAP, Aug 11, 2021
  12. OldManHatch

    OldManHatch New Member

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    I understand. I will check prior to hooking up the replacement.
     
    #12 OldManHatch, Aug 11, 2021
  13. OldManHatch

    OldManHatch New Member

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    The replacement I purchased was the same part #.
    Everything works as it should.
    Setup Bluetooth without any issues.
     
    #13 OldManHatch, Aug 15, 2021
  14. Another

    Another Senior Member

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    How long did the whole remove and replace take?
     
    #14 Another, Aug 16, 2021
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