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Old Jul 21, 2017 | 12:34 AM
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Default stock radio issue

I have an 09 SG with a stock head unit stereo. Lately the stereo has been having some sound issues. I mostly use my phone for music through the aux jack. About 2 weeks ago the volume would fade to low and high. Got a new cable thinking that's the problem. Kept doing it. Now the sound will go out after about 10 min of use on everything( fm , cd, aux). The stereo functions all work as normal but no sound. If I turn off bike and back on it will work for about another 10 min. Is there anything I can do or check before running out to get a replacement?
 
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Old Jul 21, 2017 | 06:26 AM
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You have the latest software version? It's a starting point....
 
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Old Jul 21, 2017 | 06:41 AM
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It's usually the TDA 7563 AMP chip that goes bad and causes this. If you're really good with a soldering iron and can solder and de-solder, you can replace it for around $20. If you're not, then time to replace it or send it in to get fixed.
 
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Old Jul 21, 2017 | 06:45 AM
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Did you replace the stock handlebar bolts with the lower head replacement bolts?

The stock bolts hit on the bottom of the radio case and in time destroys the circuit board in the radio.

Not saying this is your issue but it could be.....
 
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Old Jul 21, 2017 | 07:27 AM
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Just a couple weeks ago my stock radio was cutting in and out like a bad drive through speaker, I just quit listening to it. Did some searching, didn't like the price of the Iron Cross service or the aftermarket solutions so I decided to tear it apart on my own. Did a little peeking around and the only thing I found was some corrosion across two terminals on a transistor. Cleaned that up and it's been working well so far... fingers crossed. I did also file down the two offending bar clamp bolts for additional clearance even though I couldn't see evidence of them hitting.

Originally Posted by fordhd2005
It's usually the TDA 7563 AMP chip that goes bad and causes this. If you're really good with a soldering iron and can solder and de-solder, you can replace it for around $20. If you're not, then time to replace it or send it in to get fixed.
Any further info on this chip and it's exact location? I'm comfortable soldering but I don't know what I'm looking at on the board.
 
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Old Jul 21, 2017 | 09:41 AM
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Originally Posted by caulk04
Any further info on this chip and it's exact location? I'm comfortable soldering but I don't know what I'm looking at on the board.
Once you take the top of the case off, it sits on the right side as your looking at it. You have to remove the entire circuit board to access it (very easy to do). You would need a Torx-8 to remove all those little screws. The two on the back that secure the cover on are little bigger and can't remember the size at the moment. Maybe a T-10? I will forewarn anyone that attempts this, it is a very tedious and time consuming job. The most difficult part is de-soldering (removing) the bad chip. There's around 20 pins. Flux, a de-soldering pump, and patience is required.
 
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Old Jul 21, 2017 | 10:25 AM
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Having exact same problem with my 09 street glide. Turning radio off and on resets it for a little while. Haven't jab time to remove and inspect yet. At least I have some ideals now. Thanks
 
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Old Jul 21, 2017 | 11:58 AM
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Check this post out: Self-Diagnostics for Harman Kardon radios.
 
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Old Jul 21, 2017 | 05:45 PM
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If its fried I have a stock radio for sale in the touring classified section. PM me!
 
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Old Jul 21, 2017 | 10:33 PM
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Originally Posted by fordhd2005
Once you take the top of the case off, it sits on the right side as your looking at it. You have to remove the entire circuit board to access it (very easy to do). You would need a Torx-8 to remove all those little screws. The two on the back that secure the cover on are little bigger and can't remember the size at the moment. Maybe a T-10? I will forewarn anyone that attempts this, it is a very tedious and time consuming job. The most difficult part is de-soldering (removing) the bad chip. There's around 20 pins. Flux, a de-soldering pump, and patience is required.
Excellent, thanks! I've had mine apart already and by cleaning some corrosion on a transistor it's working again but I want to keep this in mind for next time.
 
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