Hi everyone. 

I'm have a luxury sedan that model is a LS430. 

LS430 is very nice car to me. Very silence and smooth riding.

But LS430 have a one bad thing. It is a not support MP3, Bluetooth and AUX input.

So, Many owner are try to find that How to create the AUX or install the MP3 or Bluetooth.

Some vendors are recommended the one way. This way is install mp3 device on LS430. 

The mp3 device is such as Yatour and etc.

So, I was bough the Yatour and install to my LS430. But not Satisfied. Because this device not support the title and lyrics.

Anyway, a few month past, I'm try to find the solution for create the AUX on my LS430.

This time. I'm get a service manual for head-unit. model name is a Pioneer FX-MG9106ZT/EW.

The service manual are include the schematic of head-unit and description of pin's.

My JOB is a programmer and have a hardware skills.

Last week I'm try to modified the my head-unit and finally successfully create a AUX input using the Tape DECK audio path.

I'm expect to help for you by my post.

1. Introduce

  This head-unit are have a 3 audio path.

  First. Path of Tape Deck

  Second. Path of CD

  Third. Radio

  I'm choice the path of Tape DECK. Because I'm not use this media.

2. How to create aux

  It is very simple.

  Tape audio line and CD audio line are mixed in the NJM2068MD AMP IC.

  So, My goal is a cut the TAPE DECK audio path before the NJM2068MD.

  And connect the AUX audio path to this point.


  See below schematic.

  R341 is Left Channel of TAPE DECK

  R342 is Right Channel of TAPE DECK

    Step 1. You must de-soldering Left side(Tape deck, Right side is mixer) of R341, R342.

    Step 2. connect the AUX L,R into desolded R341 and R342.

    Step 3. connect the AUX ground into the common ground of head-unit.

    Step 4. Enjoy.

  Additional, You must insert the TAPE to deck. every time. 

  Because if not insert the TAPE to DECK. head-unit are not enable the TAPE deck. 

  If you want to without TAPE media, need a more step. But It is such a hassle for me.




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