Radio mute by itself...


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kane67
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Radio mute by itself...

Post by kane67 » Sat Sep 22, 2018 10:03 am



Ok, started to mute itself, frequency buttons not working when shows Mute.
Disconnected C21, tested buttons like manual says and they all work. So no sticking buttons.
Followed black/green to deck connector. Continuity C21 to deck connector (black/green) ok.

Black/green is ground from radio, right?
When I had C21 disconnected, it still remained Mute so it has to be internal something...
I removed radio and will start to check it soon.

Mute signal wire is black/blue so it kind of has a ground touch even c21 disconnected.
Could a missing ground confuse? All other functions work to lcd without any problems.

kane



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kane67
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Re: Radio mute by itself...

Post by kane67 » Sat Sep 22, 2018 2:00 pm

Getting closer...

While testing covers off, I pushed this wire set towards IC board and mute went off.
Moving back and forth caused mute on/off. Next I need to get tube of thermal paste for IC’s.




Board connector looks very clean, soldering to board also good. I suspect wire/wires.
Testing continues tomorrow ;)

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kane67
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Re: Radio mute by itself...

Post by kane67 » Sun Sep 23, 2018 5:19 am

I put fresh layers of thermal paste and soldering iron a bit to connector’s feet (IC board).
Seems to work perfect, I’ll update this topic if ”automute” returns...

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kane67
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Re: Radio mute by itself...

Post by kane67 » Sun Sep 23, 2018 3:25 pm

Went for a ride today, about one hour. Kept radio singing :D
No Mute by itself, buttons Mute and frequency works perfect!

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Stew
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Re: Radio mute by itself...

Post by Stew » Mon Sep 24, 2018 11:02 am

I had also taken my radio that far apart not long ago to manually eject a cassette, mine has also been working fine ever since. I think they sometimes just need to some of those internal connectors removed/replaced to freshen up the connections :)
Winging it every chance I get 8-)

19,119 miles when I got it from dad Oct 15, 2017 --- 24,532 miles and counting as of Oct 17, 2018!

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kane67
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Re: Radio mute by itself...

Post by kane67 » Sun Oct 14, 2018 12:59 am

Again mute returned by itself, took off radio and finally found the reason (I hope).


White wire was the cause, I don’t know its purpose/function but I replaced it and no mute anymore when I wiggle these wires.
Maybe somebody radioguru could tell what that wire function is in the system?

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RockportDave
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Re: Radio mute by itself...

Post by RockportDave » Sun Oct 14, 2018 8:01 am

I unknowingly turned the CB on once and it over rode the radio. Pulled the shelter off and was checking the radio wiring when I noticed the CB on. Turned it off and radio started working normal.
Dave
1999 GL1500SE 5th Goldwing through the years

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bellboy40
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Re: Radio mute by itself...

Post by bellboy40 » Sun Oct 14, 2018 8:27 am

That reminds me of one time I was riding with a buddy and he said his radio kept going off for a few seconds. He commented that that radio station must have a problem. Later he noticed that his CB was on but the volume was turned down. Every time the CB would receive a transmission it would mute the radio, but since the volume was turned down, nothing came out the speakers. :lol:
Sometimes it is the little simple things that get you.

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Re: Radio mute by itself...

Post by WingAdmin » Sun Oct 14, 2018 9:36 pm

bellboy40 wrote:
Sun Oct 14, 2018 8:27 am
That reminds me of one time I was riding with a buddy and he said his radio kept going off for a few seconds. He commented that that radio station must have a problem. Later he noticed that his CB was on but the volume was turned down. Every time the CB would receive a transmission it would mute the radio, but since the volume was turned down, nothing came out the speakers. :lol:
Sometimes it is the little simple things that get you.
That has caught me out not once, but TWICE before. Both times I was sitting there trying to figure out what was wrong with my radio...

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kane67
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Re: Radio mute by itself...

Post by kane67 » Sun Oct 14, 2018 11:22 pm

That would be a good thing to check if there is cb ;)

In my case, non-cb wing.

89 1500
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Re: Radio mute by itself...

Post by 89 1500 » Thu Oct 18, 2018 9:56 pm

The board your have with the i.c.'s and caps is the amp/avc. I have a radio manual somewhere around here. Mine started the auto mute crap one day. I reached under and pushed up on my radio harness and mute went away. I removed individual pins from the connector and installed in new plastic problem remained. Pulled the radio and found damaged tracings in the boards behind the factory plug. I had to test with power to the radio sitting upside down and open that's when my hemo's fell on the little board and smoked it. I had a collection of radios with a few salvageable parts but not the little board I needed. Found an am/fm from an aspencade in a box and used the little board from the front of it. works good except for one thing the memory circuit is slightly different than that of a cassette radio and will not hold presets. Been searching for a parts radio for a couple of years I can't make myself give $75 to $125 for a parts radio that might have the part I need already bad. Also there were two Panasonic radio models which people will try to tell you are not interchangeable I think the older models are a G30P and can't remember the model in my friends 97. The newer being noticeably better to me anyway. I used the radio out of the 97 to troubleshoot my 89 when I bought it years back and did aux port installs, another simple upgrade if you can solder well and watch a video Sierra wants $124 plus round trip shipping for a 20 minute project. Good luck with yours they are pretty simple well after frying as many as I did lol.

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DenverWinger
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Re: Radio mute by itself...

Post by DenverWinger » Fri Oct 19, 2018 7:57 am

Did you ask Sierra if they have the little board you smoked?
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark

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Re: Radio mute by itself...

Post by 89 1500 » Fri Oct 19, 2018 2:14 pm

Na didn't bother. I look on ebay for radio deals daily. The one I messed up was a for salvage only sale I paid $60 shipped. All I had to do with it was swap the top from my damaged one and it was fine till I dropped the ball working on it. Another salvage deal will come along and I have time to wait it out. I'm going to do the 4x6 front speaker mod while the weather's bad. Amp install when it's too cold to ride.



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