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What causes the problem on a MOTOROLA GP-2000 portable radio having a continuous hissing sound from speaker with constant green LED on. Squelch setting is at SQL 3.

SQL set at 3, no amount of re-setting the squelch level can remove the hissing sound and the green LED which is always on.

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6ya6ya
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Posted on Jan 02, 2017

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  • 5 Answers

SOURCE: How to set squelch on a motorola t73xta7ta7bk 2 way radio

That is a Maratrac, the squelch is adjustable thru a variable resistor on the audio/squelch board within the chassis. It is labeled R1132 SQUELCH, and is located very close to the locking handle. Some models have a metal bracket that holds the interface board, (thats the only board in the chassis that is mounted vertically), if you remove this bracket you can see R1132 alot easier, but do not need to remove the bracket to adjust R1132. Clockwise tightens the squelch. One catch though, for this adjustment to work, the radio must have been programmed with the unmuting/muting setting in the RSS, set to And/Or. It comes from the factory set for Std/Std. And in my 15+ years in the business, I have seen only one programmer that changes this setting. Me. Good Luck.

Posted on Feb 26, 2008

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  • 10 Answers

SOURCE: Hissing Sound in Creative SBS 560 5.1 Speakers

Have you check to see if you have the correct driver for the sound card. I know for fact that when reload some mother board that have a build in sound card that carries AC97 drivers it will install or download the AC97 driver with no problem,and no error and it will not work because the driver needs to be upgrade. You might need to get a new sound card. simple and done. Or go through the trouble to find the correct AC97 driver.

good luck

Posted on Jun 19, 2008

experttv
  • 203 Answers

SOURCE: Can't power up

The buzzing noise you are hearing is most likely the ballast fire, this is good. You most likely have a bad lamp which is the best case for you. I would recommend pulling the lamp out and looking at it to see if its physically shattered or not.

The instructions for pulling the lamp can be found in your owners manual. If you do not have this anymore just look on the sides or the back of the tv for a small door with a screw or 2 in it. take those screws out and the door should come off, then take the screw(s) out of the lamp and pull it out. if you see glass rolling around inside you will need a new lamp. Let me know and I will help you find a good one at a good price.

Tim Nolan

Posted on Sep 12, 2008

eradiostore
  • 1654 Answers

SOURCE: RPL & TPL tones used in T-5720

The T5720 user manual does not list the TPL codes possible in the radio. However, they are the standard list, with zero being "open squelch" (no code). Here is a link to a Motorola manual which has a list of the PL codes in order on page 43. http://www.thekidshuttle.com/ABC%20Docs/CP100_Manual.pdf

On the T5720, another item to what for is the Qt noise filter. Be certain to set it to zero unless using the T5720 with others of the same model. It can also block transmissions. Here is a link to a user manual for the T5720 http://lib.store.yahoo.net/lib/starbattery/T56XXusersguide.pdf

Posted on Sep 22, 2008

eradiostore
  • 1654 Answers

SOURCE: MOTOROLA RADIUS GP900

Unprogrammed channels will have a constant tone. It is possible your radio is unprogrammed. A dead battery tone is only for a moment, and is usually a medium tone then a low tone, sounding somewhat like beeedeeep.

Posted on Dec 08, 2008

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What causes the problem on a MOTOROLA GP-2000 portable radio having a continuous hissing sound from speaker with constant green LED on. Squelch setting is at SQL 3.


Try to recharge your batteries or replace them!!!Please tell me what you did, if there was a solution by this...then I will review your problem...thnx

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Have you tried setting the squelch control something other than the minimum level? When you say "busy", are you actually hearing other stations, or just the hiss of an idle channel?

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How can i hear what they are saying without that awful loud sound when they arent saying anything. cause when i turn the volume down i cant hear what they are saying


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Good luck.

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