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Diode identification and car radio repair

edumcg

Hello,

 

 

I'm trying to repair my nissan car radio model: Clarion BTS33

 

 

The problem began when the fuel volumen line of my car shortcircuited with 12V.  As soon as that happened my radio turned off and never came back again. I sent the radio with some folks to repair it, they replaced some ICs that were burned out but they couldn't replace one specific diode.

 

 

Right now, when I plug the radio into my car only the screen shows up but it prints nothing. Just a blank orange screen. No audio output no matter what buttons I press.

 

 

I found the cable on Amazon: https://www.amazon.com/20-pin-Subaru-Headunit-Harness-Steering/dp/B01D9K3L44

 

 

I also found the user manual of the radio: https://fccid.io/2ABGYBTS33-CLARION/User-Manual/User-guide-2150158

 

 

The only component that looks burned out is the diode D402. The diode is the same as de diode D403 so I can see the marking is "C308" the 08 is fllipped to the right 90 degress.

 

 

My plan is to replace the diode but I haven't been able to find a datasheet.

 

 

I've attached images of the radio and the circuit board. Any help would be appreciated.

 

 

Thanks!

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Parents Reply
  • in reply to phoenixcomm

    Thank you very much Cristina! Unfortunately it appears like my radio model number is not there, maybe they developed the radio specifically for Nissan and not for general audience.

     

    Still I am looking for a similar radio in their DB to check if I can find something useful.

    Attaching a picture just for the record.


    image

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