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stereoaz, Car Electronics Technician
Category: Car Electronics
Satisfied Customers: 113
Experience:  35 years in car audio,my shop won iasca world title ,custom fabrication,expert installer.
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I just instaLLED A DNX 571HD RADIO YESTERDAY AND IT WORKED

Customer Question

i just instaLLED A DNX 571HD RADIO YESTERDAY AND IT WORKED PERFECTLY. tODAY THE SCREEN IS BLACK AND THE IPOD IS PLAYING. i HAVE NO WAY OF CHANGING ANYTHING ON THE RADIO. aNY IDEA WHAT CAUSED THIS?
Submitted: 11 months ago.
Category: Car Electronics
Expert:  Louie replied 11 months ago.

Hi Jerry and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, have you tried a RESET?

Customer: replied 11 months ago.
I did a reset and now I can't do anything. Black screen only
Customer: replied 11 months ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Louie replied 11 months ago.

If a RESET has been tried and was not corrective, then it would point to a most likely hardware issue.

Are you then considering a DIY (do-it-yourself) repair approach? If yes, do you have access to and familiar with a multi-meter?

Customer: replied 11 months ago.
I have a multi meter
Customer: replied 11 months ago.
However. Unit is installed in vehicle
Expert:  Louie replied 11 months ago.

Great on the DIY!

Let's start with the basics; proposed preliminary tries (if have not been done):

  • • check always available +12V on the Kenwood's yellow wire;
  • • test for an ACC switched +12V on the red wire;
  • • verify black wire is tied up to vehicle's frame, chassis and not only to the harness' ground line.

Please post back results / observations of the above once tried.

All others would be internal to the DNX571HD.

Customer: replied 11 months ago.
Those are all connected cotrectly
Expert:  Louie replied 11 months ago.

What was the voltage readings please?

Customer: replied 11 months ago.
I'm just saying they were correctly hooked up. I would have to disassemble the dash to get to the connections. Nothing in doing tonight
Expert:  Louie replied 11 months ago.

I understand.

These checks are needed even if just to eliminate them as suspects.

The alternative is a bench test prior to opening up the Kenwood should you prefer.

When able please; thanks

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