e39 install aux input instead of Cassette

[avi]

Hello everyone
in my Car installed original radio cassette
and I wanted to upgrade it to enjoy music through an external player
so i canceld the tape and now i can enjoy music from my mp player

[1 The whole system was dismantled
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2-the tape and his microswitch were cut off just one microswitch Gives the signal that tape inside left so we dont get TAPE ERORR
next TDA7310 is the main processor
I downloaded the data from the web find the right leg and solder the new wire
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now Recent tests now before the Assembly
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Testing in the car when everything works
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Finally everything was assembled and installed
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Everything works fine
Now the new idea Bluetooth
avi