Hi. I found your DIY for the e46 aux input mod, and this is exactly what I wanted to do with mine. Do you happen to know if 474j capacitors will work in lieu of the 474k caps you used? Are the capacitors required for it to work properly? I’ve seen other posts for doing this mod without capacitors, but no good pictures like you posted. Any input would be helpful. Thanks!
Yes it’s the same except j means 5% tolernace. It should work.
Thanks so much for posting this!!! I took a slightly more extreme approach and found a spot in the faceplate assembly where I could mount a 3.5mm jack without hitting circuitry or operational parts. With a roto-zip, some tricky routing and 5 hours of my day, I ended up with a fully functional auxiliary jack right in the faceplate next to the volume knob. Now I can upgrade my speakers and have some decent music for a change. Thanks again for providing the key technical information I needed to make this work! (I took step-by-step pictures if you’re interested.)
You’re welcome 🙂
Happy to hear someone benefits from my post.
Hi Nick! i’m Nicolas SJ (mada). now I create 2 power inverter using your shematical diagramm with SG3524! if it’s will OK, I’ll send you their photos if necessary, tyhanks.
Un grand Merci!
Cela fonctionne nickel (^_^)
You’re welcome 🙂
Thank you very much for this, saved me a bunch of money mate. But when i turn on sound i still hear fm, or cd, what to do to silence that ?
You’re welcome. to stop hearing FM radio lower the volume to the minimum then raise it 1 mm only.
To fix this issue I created a cd with a silent track on it. Label it “silent disc” and play it when you want to use the aux input.
Thanks for the tip but it’s not necessary, just lower the volume knob to min then turn it back up 1 tick only. The aux input signal gets injected directly into the amplifier IC.
Hi Mr. Nick I hope you’re doing fine. I wanted to ask about that 5 watt amplifier on instructables please does it amplify the wattage of the phone line ?
I’m not sure I understand your question. This is a 1 chip general purpose amplifier. If you want to use it to hook it as a bug and monitor a landline I can tell you how.
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