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How I Re-Built My Car Radio Instead Of Turning It Into E-Waste
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How I Re-Built My Car Radio Instead Of Turning It Into E-Waste

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E-waste is a big problem nowadays, and money also. The second, is the reason why i have a 22-years old Opel/Vauxhall Astra F (otherwise in a very good condition), with an absolutely low budget sound system. A very cheap car radio was built in the car some years ago, mainly used for phone hands-free (with a microphone cable) and listening to podcasts.

On a day the battery drained mysteriously (thanks to a colleague who helped me out for starting the car), and I noticed that the car radio was gone. Suspiciously it was responsible for the battery drain.

Checked it, and found that the front panel, which is doing the display, buttons, and sound processing, was dead. The power unit and amplifier were built into the radio housing on a separate PCB, seemed to be working.

So I checked the amplifier IC’s datasheet (a TDA7388 was used) and figured out where the inputs are (also disabled mute and standby modes). The radio housing also had the proper ISO connector, so I didn’t need to build power circuitry and connectors.

Then I cut a matching piece of plastic and created a simple front panel; volume control, input jack, USBs for phone charging, and a power switch with a LED. Wired it up, and I had the most used functionality that i use during long drives: can listen to anything from a phone/MP3 player :D

Even the cheap radio’s decoration frame also fits the “dumb” front panel.

Further improvements are planned, e.g. a built-in microphone Bluetooth module, and so on.

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This was the starting point

The original front

The new panel

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Backside of the new panel, without wiring

Wiring completed – ugly, but works!

The final product, built in

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Csaba Horvath

Csaba Horvath

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This lazy panda forgot to write something about itself.

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Csaba Horvath

Csaba Horvath

Author, Community member

This lazy panda forgot to write something about itself.

Diana Lopetaitė

Diana Lopetaitė

Moderator, BoredPanda staff

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Hey there, Pandas! My name is Diana (though some prefer to refer to me as Diane, Deanna, and even Liana sometimes), and I am a Community Post Moderator Lead for Bored Panda. As my position title states, I am one of the people (employed Pandas for bamboo) over here who work with the community side of things on this website to ensure all is well, and while at that, I also help various creators and artists get recognition for the incredible work they do by connecting them to a large worldwide audience. Other than that, outside of work, you can find me brewing a nice cup of coffee, making a pizza from scratch, or baking brownies. I also love traveling, concerts, and cats (heavy on that, because I am a cat mom).

Read less »

Diana Lopetaitė

Diana Lopetaitė

Moderator, BoredPanda staff

Hey there, Pandas! My name is Diana (though some prefer to refer to me as Diane, Deanna, and even Liana sometimes), and I am a Community Post Moderator Lead for Bored Panda. As my position title states, I am one of the people (employed Pandas for bamboo) over here who work with the community side of things on this website to ensure all is well, and while at that, I also help various creators and artists get recognition for the incredible work they do by connecting them to a large worldwide audience. Other than that, outside of work, you can find me brewing a nice cup of coffee, making a pizza from scratch, or baking brownies. I also love traveling, concerts, and cats (heavy on that, because I am a cat mom).

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