Question about Sony Walkman MZ-RH1 Personal MiniDisc Player

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RF interference with mono mic

Hi, I am getting significant rf interference with a mono mic. The interference becomes worse when I plugin in power. The interference is less when I plug the mic into a mono-to-stereo plug, and then the plug into the recorder, but the interference is still there. Any way to kill the interference?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Cerfer39
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SOURCE: PC ineterferance

The only connection I can think of that relates to this would be the WIFI. Try truning off Wifi on the PS3.

Posted on Sep 27, 2007

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robotek
  • 1512 Answers

SOURCE: Sony ecm 719 doesn't aseem to be working properly

Hi kollydogg

The mic you purchased is a condenser type that requires either a battery(you now have), or a sony power supply. Without it, I would expect it to not do much at all. The specs look ok on it. Good for bootlegging concerts :)

regards
robotek

Posted on Jul 04, 2008

chippit
  • 72 Answers

SOURCE: rf socket not working

put a game in put it on standby hook your controller with the usb lead in (red light) press and hold power it will beep ,beep , double beep shutdown by itsself turn it back on it should default back rf
if not do the first instructions again but power back on by holding down again beep, beep, double beep but let go of the button b 4 it shuts down and there will be a dev mode this is something sony dont want you to know if helps give me a tick so to help others

Posted on Aug 05, 2009

  • 221 Answers

SOURCE: RF INTERFERENCE PROBLEMS WITH MY BETA UVW 1800

Sounds like a grounding problem. Make sure you are using quality video cables with adequate shielding; other than that, check all your grounds on your equipment.

Posted on Feb 24, 2010

  • 447 Answers

SOURCE: I am getting a lot of RF interference when

Check your wiring, separate the power and ground wires. Keep them apart from each other. Make sure Both grounds a tight, and separated too.

Posted on Apr 07, 2010

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Transceiver signal interference


The FT-840 uses a die-cast RF power amp with thermally switched fan to ensure full power output (up to 100 watts). The digitally synthesized local signals ensure clean, low-noise transmitter output on all HF amateur band. There might be no AC line interference. it has strong Rf output. any AC line intersect does not affect its radio performance. Check and adjust RF power so to maintain proper output. some times more RF power generated at the output may cause interference. adjust Rf power..Even some unfiltered Noise getting the other end of the end may calso cause interference. Check for any Ripple voltages present at the output. Contact authorised service station for further Rectification. thank you shanth

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Remote says "blaster not responding".


Hi. If the blaster is not responding for your Harmony 900 remote, it could be caused by RF interference. Usually power cycling the blaster fixes this, but since that did not help I would look for sources of interference. This can be anything from an RF baby monitor, microwave oven, wireless Internet router, cordless phone, or any other RF device. If you have any of these things in the room where you use the blaster, try moving them out and testing it again.


Regards,


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When ever i dead key the mic on med rf power i get a humming or bumble bee sound through my talkback same thing on high rf power i changed the coax it helped it for low rf power and tried new mic but had...


Thats because your Rf is powerful on high settings..try taping a AM radio "ferrite bar" to your coax in the back of radio for "RF filtering". Keep your power supply 15 inches away from radio. I recommend unhooking talkback on radios (it always causes feedback). But make sure speaker is good distance from the radio. I'd say 10 feet or so, behind radio. Change external speakers or add one with a long cord.

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I have a cobra 29ltd crome had echo board installed works good till i trun my la 900 on get feed back or squilling how do i fix


LA 900? I am guess that is a linear amplifier. If so are you running a power mic? You are probably getting RF feedback. You need to turn the gains on the radio and mic down.

Some things you can try. Hold the mic cord in your other hand in the center of the cord while you key it. some times this will shield it form stray RF.

You can also get a bunch of RF chokes from radio shack. They are little black things you snap onto wires that shield form RF. Put 2 near the plug, and 2 near the mic. That will help shield it from RF.

you will most likely still have to play with the gains on the radio and mic to find a sweet spot where it doesn't squeel.

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1 Answer

Have cobra 29wxnwst radio. Truck sat for 3 months


Turn up the RF gain all the way and leave it.

RF gain is basically how open your receive is. There is really no reason ever to have it down unless you are trying to hear only close stations to you.

If you RF gain is up, your mic pins my be oxidized, or mic bad.
Try a different mic, and or clean the contacts in the connectors.


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1 Answer

BlackBerry 8310 making RF interfernce noise...


I am having the same problem with my phone. When you hook the charger up to the phone the static should go away. I have purchased a new battery and after it charges for the 12 hours i am going to test it out. I will let you know.

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go to a w/shop, you need to have a watt meter to test RF power out.
a frequency counter
RF generator
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2 Answers

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Is there a dial marked RX Gain? Does this radio have this feature?

M3ODQ

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URC-9910 remote: The RF part for this remote stopped working.


I have the same remote as yours and occasionally the RF remote is not working due the interference signal from outside or next door at certain hours.
My suggestions:
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(2) Replaced the battery.

Hope these help!

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