Bluetooth Audio on 84' GL1200 - Steve Saunders Goldwing Forums

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post #1 of 7 (permalink) Old 05-05-2018, 12:07 AM Thread Starter
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Join Date: Nov 2017
Location: Riverton, Utah, USA
Year: 1984
Make: Honda
Model: GL1200A
Posts: 13
Bluetooth Audio on 84' GL1200

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.
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post #2 of 7 (permalink) Old 05-05-2018, 12:11 AM Thread Starter
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Location: Riverton, Utah, USA
Year: 1984
Make: Honda
Model: GL1200A
Posts: 13
Here are the schematics of the relevant board, if anyone is interested. the location of the capacitors that I tied into are circled green.
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File Type: jpg PCB Traces.jpg (143.5 KB, 11 views)
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post #3 of 7 (permalink) Old 05-05-2018, 01:21 AM
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Location: Glendale, Arizona, USA
Model: 1987 GL1200 Interstate 290,000 miles
Posts: 21,155
Pretty cool.

Don't understand any electronics but the pics let me see my confusion very clearly.
Peter Goldwing likes this.

Why ain't we ridin'?
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post #4 of 7 (permalink) Old 05-05-2018, 08:30 AM
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that is pretty damn sharp of you, nice mod.



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post #5 of 7 (permalink) Old 05-05-2018, 08:49 AM Thread Starter
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Location: Riverton, Utah, USA
Year: 1984
Make: Honda
Model: GL1200A
Posts: 13
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.
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post #6 of 7 (permalink) Old 05-05-2018, 09:10 AM
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Model: 2009 Silver GL1800 ABS
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Great mod - nicely done - should be of interest to other 1200 owners...

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post #7 of 7 (permalink) Old 06-03-2018, 05:38 AM
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Join Date: Feb 2018
Location: Riviere-Bleue,Quebec
Year: 1984
Make: Honda
Model: Aspencade 1200
Posts: 25
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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