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  #1 (permalink)  
Old 11-11-2012, 8:55 AM
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Default RS-Pro 106 volume static

I've had the scanner for a while but now notice annoying static when I first turn the scanner on and increase/decrease the volume. Is there a way to rid this static? In advance thank you for your time and support
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Old 11-11-2012, 9:01 AM
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Don't you just hate it when some knucklehead says '...they all do that' ?

Well, they all do that.


Some have been successful with cleaning it, but for the $30 service fee at Rat Shack some have decided that having the factory folks do it or replace it is the way to go.

Don't use liquid or spray cleaners on a pot that has power, and make durn sure its dry when you do turn it back on.
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Old 11-11-2012, 7:45 PM
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Mine does that. I'll be cleaning it soon, as it's getting worse.
When I say cleaning it, I mean dis-assembling the radio, and carefully applying some control cleaner directly into the pot opening by the contacts, not just "spray and pray"
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Old 11-11-2012, 9:55 PM
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In a perfect world, GRECOM would just give us the part# for a audio taper potentiometer as a option to the linear taper pot they supply as a standard part. Then you could simply send your unit in to GRECOM and have them replace it, or if it's out of warranty then have a tech swap out the pot.

But since this is not a perfect world, here's a good place to start your research for a new audio taper volume pot.

DigiKey Corporation - Electronic Components Distributor

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Old 11-11-2012, 10:14 PM
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All you need to do is give it a blast of tuner cleaner, available at Radio Shack. Spray into the control and then work it back and forth several times. I did notice it on mine maybe a years or so back and all I did was spray it a couple times and it's been perfect since then. No big deal, just pry the knobs up, spray it once, let it work in, spray a little more, put the knobs back on and you should be all set.
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Old 11-11-2012, 10:15 PM
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You may fix things by simply turning it back and forth several times. This may dislodge the "dirt" that's causing the noise. Spray cleaners may work (note the warnings above to only use them when the device is off and allow time for it to fully dry off prior to turning it back on). One other warning though, it's possible that the cleaner may ruin the pot if you spray too aggressively or if it's a "really cheap" pot. "Too aggressively" is a relative term, some handle much more spray without issues while others you must be extreamly gentle with.
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Old 11-12-2012, 9:35 AM
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Quote:
Originally Posted by n5ims View Post
One other warning though, it's possible that the cleaner may ruin the pot if you spray too aggressively or if it's a "really cheap" pot. "Too aggressively" is a relative term, some handle much more spray without issues while others you must be extreamly gentle with.
Not familiar with the term "pot"; what does that reference? Thanks
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Old 11-12-2012, 9:40 AM
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Not familiar with the term "pot"; what does that reference? Thanks

Potentiometer - Wikipedia, the free encyclopedia
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Old 11-13-2012, 8:01 PM
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My pro 164 does that. How do you stop it. Do you take it apart or pull the knobs off. I've taken mine apart before but not the volume pot area.
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Old 11-13-2012, 10:00 PM
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I'll try to shoot a video when I do my 106 for those who have never cleaned a pot properly before.
Maybe this weekend.
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Old 11-14-2012, 8:23 AM
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Quote:
Originally Posted by N1BHH View Post
All you need to do is give it a blast of tuner cleaner, available at Radio Shack. Spray into the control and then work it back and forth several times. I did notice it on mine maybe a years or so back and all I did was spray it a couple times and it's been perfect since then. No big deal, just pry the knobs up, spray it once, let it work in, spray a little more, put the knobs back on and you should be all set.
You mean to pry up the volume and squelch knobs? Right?
If so, can I do that without opening up the scanner?

Thanks in advance,
Gr8rcall
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Old 11-14-2012, 8:31 AM
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You mean to pry up the volume and squelch knobs? Right?
If so, can I do that without opening up the scanner?

Thanks in advance,
Gr8rcall
No. Even though many people say to just "spray down the shaft" the chances of cleaner actually making it to the wiper on the inside of the pot are pretty slim.

To do it properly you need to get the cleaner inside the pot, usually through the opening by the solder tabs.
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Old 11-14-2012, 11:15 AM
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Quote:
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No. Even though many people say to just "spray down the shaft" the chances of cleaner actually making it to the wiper on the inside of the pot are pretty slim.

To do it properly you need to get the cleaner inside the pot, usually through the opening by the solder tabs.
This is exactly the correct way to repair this control.
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Old 11-14-2012, 11:51 AM
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Thanks guys!
Will do that if I ever have to!
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Old 11-14-2012, 7:42 PM
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Or... replace the linear pot with a audio taper pot like I mentioned above. The difference is like day and night!

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Old 11-14-2012, 11:09 PM
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Quote:
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Or... replace the linear pot with a audio taper pot like I mentioned above. The difference is like day and night!

73,
n9zas
is there a equivalent for the 197?
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Old 11-15-2012, 12:01 AM
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The bottom line is that GRE got stuck with a lot of bad pot, and tried to pawn it off on us.
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Old 11-15-2012, 12:56 AM
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The bottom line is that GRE got stuck with a lot of bad pot, and tried to pawn it off on us.
Why.....them dirty rascals.

I just toss mine in the washing machine every now and then.
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