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Sony CDX-MP40 Tuner wont work???

 
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bridgstfer
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PostPosted: Mon Jan 17, 2005 12:38 pm    Post subject: Sony CDX-MP40 Tuner wont work??? Reply with quote

I have the above head unit in my car and now whenever I press the source to tuner it just displays the word tuner on the screen and a hear nothing and none of the tuner functions work???

Please help i love that head unit!
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Man whit no tuner
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PostPosted: Tue May 17, 2005 5:02 pm    Post subject: re Sony CDX-MP40 Tuner wont work???? Reply with quote

I got the same problem

Tell me if you find somes solutions
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Spirogeek
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PostPosted: Fri Dec 09, 2005 7:41 pm    Post subject: CDX MP40 Reply with quote

Me too, same prob. Mine was fine until i was listening with engine off with no probs, turned engine on and as the unit powered up it's never worked again... the cd part is ok tho... Anyone find any solutions?
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Niko
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PostPosted: Fri Dec 16, 2005 2:17 pm    Post subject: Reply with quote

Hello all,
you must replace the Microprocessor with new version.

Regards, Niko.
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Sony User
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PostPosted: Wed Jul 26, 2006 3:56 am    Post subject: the problem that`s no problem Reply with quote

you DONT must replace the Microprocessor with new version!!
Under the Display is a RESET BUTTON. Press it for 30 seconds with a screwdriver and it works!!!

i had the same problem...

Greetings from Germany!!!
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