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-   -   Bluetooth Audio on 84' GL1200 (https://www.goldwingfacts.com/forums/10-reference-faq-forum/662554-bluetooth-audio-84-gl1200.html)

dustin 05-05-2018 12:07 AM

Bluetooth Audio on 84' GL1200
 
10 Attachment(s)
I just finished getting bluetooth audio working on my 84' Aspencade. Here are some pics and the description.

- removed the RM-1100 cassette/radio
- removed the front faceplate, top cover and bottom cover from the radio
- disconnected three cable connectors from the Tape EQ & Ambience circuit board
- removed two screws holding the circuit board
- slide the circuit board out the bottom
- unsoldered the left leads (coming from pins 8 and 9 IC 502) of the two capacitors (left and right audio) circled in red in the images
- soldered wires to the now disconnected leads of the capacitors
- soldered wire to the Accessory +12v pad circled green
- soldered wire to the Ground pad circled blue
- soldered a 1/4" headphone cable to the audio wires
- soldered the +12v and ground wires to a 7805 voltage regulator input
- soldered a mini-USB jack to the 7805 output
- disassembled a $7 bluetooth audio receiver (http://r.ebay.com/MijoDB)
- taped the bluetooth receiver to a piece of cardboard so it would be thin enough to fit into the cassette opening
- reassembled everything, with the mini USB and headphone cable coming out the cassette opening
- tested - it works! Pushing the volume knob to switch to the tape input causes the radio to turn off, and the bluetooth audio sounds great. Unfortunately, if the radio is selected, the bluetooth audio is mixed with it. No big deal.
- pushed the wires and bluetooth module into the cassette opening.

Looks 100% factory, but now I can listen to bluetooth audio.

dustin 05-05-2018 12:11 AM

2 Attachment(s)
Here are the schematics of the relevant board, if anyone is interested. the location of the capacitors that I tied into are circled green.

Bike...and Dennis 05-05-2018 01:21 AM

Pretty cool.

Don't understand any electronics but the pics let me see my confusion very clearly. :surprise:

AZgl1800 05-05-2018 08:30 AM

that is pretty damn sharp of you, nice mod.

dustin 05-05-2018 08:49 AM

Thank you.

There are simpler and more feature-rich ways to do this, but I like to preserve the factory look.

Also, this is my hobby, so a more complicated solution is not necessarily a bad thing.

Kind of like finding the LDR on a ride. Least Direct Route.

dadztoy 05-05-2018 09:10 AM

Great mod - nicely done - should be of interest to other 1200 owners...

gervais 06-03-2018 05:38 AM

Great Dustin
you are lucky to be able to play in this,
i would certainly loved that on mine but i am not so agile playing in this.No need to destroy all the front panel for a radio!!


Again,great job you did

gervais
Riviere-Bleue
Quebec


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