Question about Raytheon VHF 53 CB Radio

2 Answers

No squelch noise from speaker

Power is on my ratheon 53 vhf for my boat i dont hear anything from the speaker

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  • eric kw May 25, 2008

    the speaker is inside the unit do i have to take it apart to check

  • eric kw May 25, 2008

    volume was up and squelch to zero- keyed mic no noise at all when i keyed mic on face of unit letters tx showed up and then keyed again they went away if speaker is bad can i get parts

  • eric kw May 25, 2008

    out of warranty bought boat in 2002

  • eric kw May 25, 2008

    where would i find the jack to plug in a external speaker

  • eric kw May 25, 2008

    i am looking for headphones to plug into the vhs would a laptop computer headphones or magnavox portable dvd player mpd885 work - dell xpsm1210 are any of these ports 3.5mm thanks for all the help so far if you could let me know if any of these headphones would work id appreciate it

  • eric kw Jun 01, 2008

    hello Thanks for all your help - you guys were right with the speaker being defective. I had a 4 ohm marine box speaker - this vhs had no port in the back but it did have two wires for the external speaker - green wire,yellow wire- hooked up speaker and it works just fine now. again thankyou very much

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2 Answers

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  • Master
  • 6,966 Answers

Hi,

No RX audio could be caused by:
1. defective internal speaker;
2. defective audio IC;
3. defective suelch IC;
4. defective volume or squelch controller;
5. defective front end (RX);

in some case, it could also be caused by:
6. defective mic switch/cable;
7. defective earphone/external speaker jack.

Of the above, often the culprit would be the speaker being small. An easy check is to plug in an external speaker or headset.

All others would require knowledge and familiarity of electronic components and circuitry, use of a DVM and a soldering iron.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on May 25, 2008

  • 3 more comments 
  • Louie  Role
    Louie Role May 25, 2008

    with the indulgence of IB4G2008,

    Should the internal speaker be determined to be defective, an exact replacement would not be that readily available. However you can get a substitute from your local electronics parts store. The only limitation would be the physical size since the internal speaker would only be 1.5 to 2 inches in diameter with a depth of less half an inch. It wold be to your advantage to bring along the defective speaker (if determined to be so) for an as per sample purchase. An alternative is to use an external speaker as earlier posted an example of which is shown below.

    Another alternative is to use the non powered part of a computer speaker pair.


  • Louie  Role
    Louie Role May 25, 2008

    the external speaker jack is normally at the back pretty near the red and black power cable and/or the antenna connector.

  • Louie  Role
    Louie Role May 25, 2008

    BTW, the plug used is a 3.5mm baby phone, mono.

  • Louie  Role
    Louie Role May 25, 2008

    BTW, the plug used is a 3.5mm baby phone, mono.

  • Louie  Role
    Louie Role May 25, 2008

    assuming they are of the right size (3.55mm), yes, but you might have to wiggle them a bit since I expect them to be stereo (not mono). if the black/plastic insulator band is only 1, it is mono, but if 2, then it is stereo. Either will still work other than as earlier stated you might have to try fiddling how they it is plugged in. Might I suggest you try plugging it in wearing the headphones/set, the squelch all the way down and the volume at 10'clock position.

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  • Master
  • 3,587 Answers

Would you check that the speaker wire is intact..

Posted on May 25, 2008

  • 6 more comments 
  • Patrick Michaels
    Patrick Michaels May 25, 2008

    secondarily, you may find that the squelch, when out of calibration, will cut off the amplifier completely..can you cut the squelch to zero? also, key the mike and see if you can detect any kind of volume, at all..

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    i wouldn't take that approach, until I was absolutely sure and certain that it's not an amplifier settings or operational issue..try those two approaches, first, and then report back..

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    that's a big maybe. where'd you buy this unit? local boating supply right? is it under warranty?

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    ok..well..then it's highly possible that the parts are hard to impossible to get anyway..you might consider calling the place you bought it from, and asking who does service on this unit...these are tight little buggers, and takes a good sense of humor and patience to unlock and work with..

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    thankya for using fixya...hope that this concludes well, and you select the assistance here that you found most valuable, by rating it appropriately

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    this might help..found an old manual on their site..

    click here



  • Patrick Michaels
    Patrick Michaels May 25, 2008

    didn't see one immediately on the specification manual(see my other post)..so unsure if this generic understanding would apply to your unit. www.raymarine.com is where I found the most useful information

  • Patrick Michaels
    Patrick Michaels May 25, 2008

    when I looked at that service and users manual, I must have missed the external speaker port..maybe it's buried somewhere in that document?

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1 Answer

When i turn My Solara DSC VHF radio on it no longer beeps . I cannot hear any squelch or pick up any channels. Is this my speaker that has gone.


To test a speaker, you'll need either a digital multimeter or an analog multimeter that can read measurements of resistance (Ohms)
First isolate the speaker from the amplifier (meaning, remove the wires attached to the speaker terminals).
Set the meter to Ohms (Omega symbol).
Take the meter test leads and place each one on the speaker terminal (make sure the test leads do not touch each other)- there is no polarity to this test so it doesn't matter which test lead goes where on the speaker terminals
For an 8-Ohm rated speaker, you should get a reading of about 6-7 Ohms (approximately 15% of the speaker rating)
For a 4-Ohm speaker, around 2-3 Ohms
and for a 16-Ohm speaker, about 8-Ohms
If you can an infinite reading (make sure the test leads are not touching each other) other wise, if the test leads are not touching and you get an infinite reading, there is a short in the voice coil; speaker is defective.
OL reading on the DMM, or O Ohm resistance on analog meter, broken wire connection inside the coil= open voice coil and is defective.
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My Ranger2950 has no sound??


Have a look here for info about the Ranger 2950. This is an Amateur 10 & 12 meter transceiver that enjoy some popularity due to its ability to be modified to work on the 27Mhz Citizens Band.

Make sure the Mode is set to something other than PA. A few of the first things that come to mind is the Volume, Squelch & RF Gain settings. The Volume is straight forward - choose a setting in the middle to begin. Next, set the squelch. Most radios have the squelch open when set fully counter-clockwise. As you move the squelch to this position, sound should be heard from the speaker if a signal is present. As long as there is an antenna connected, the radio should "hear" noise. If you do not hear anything, leave the Squelch fully CCW and try varying the RF Gain fully in one direction. If you still hear nothing, set the Squelch to the fully clock-wise position. Adjust the RF Gain to the opposite direction. At this point, you should have heard something - even if just static hash. If not, the volume control may be dirty. Disconnect power and rotate the volume control back and forth several times to dislodge any dirt on the volume wiper inside the radio, and try again.

Make sure that the Ext Spk jack does not have a plug inserted as it will defeat the internal speaker. Likewise, if using an external speaker, make sure it works.

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2 Answers

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Many repeaters require a predetermined sub-audible tone or signal to be sent when transmitting. If several repeaters in the area operate on the same frequency, they would all transmit at the same time unless they all have different sub-audible tones. These tones allow the user to select which repeater on the same frequency will be used. The tones are either CTCSS or DCS type. CTCSS is "continuous tone coded squelch system" and DCS is "digital coded squelch". CTCSS is expressed as a frequency in Hertz and DCS is a code expressed as a number. CTCSS is more popular, since it has been around longer. When programming or tuning the radio, you will need to provide the repeater's output frequency (and the input frequency if the shift direction and amount isn't programmed - often a 600 hertz shift either up or down depending on isn't already programmed is a default value depending on the repeater output frequency) and whether or not the repeater requires a tone. If it does require a tone (most do), you will need to know the type (CTCSS or DCS) and the value (frequency for CTCSS or code number for DCS) in order for your transmitter to open the repeater and cause it to repeat your transmission AND open the squelch on the radio's receiver so that you can hear replies to your call and other conversations. Repeater directories (both printed and online) will provide all the information needed to access a public repeater, including geographical location, input & output frequencies, squelch type and values to name a few.

If you do not have the correct CTCSS or DCS set, you will see the signal meter on the radio indicate traffic - but you will not hear anything because the radio is squelched. Check the manual page 40 for information on how to program the squelch, and page 42 describes the "shift" I mentioned above. Page 64 & 65 details the theory of squelch via CTCSS and DCS and will help you understand it better.

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1 Answer

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Sounds like a bad speaker. Try plugging in an external one and see if that works if so replace the bad speaker.

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1 Answer

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It sounds like your vhf speaker has failed. I recommend taking your radio to a repair shop and replacing the speaker...this should solve your problem.

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1 Answer

Nothing comes out of speaker


does the remote/extention speaker work?
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1 Answer

Recieving problems


turn the RF gain all the way up and leave it there. Also turn the squelch down until you hear white noise, then turn it up just until it goes away.

RF gain is how sensitive your receive is. The higher it is, the more range you have. There really is no need to turn it down ever, unless you are trying to not hear some one out in the distance. Normal operation, RF gain should be all the way up.

Now squelch is used to quiet non signal noise. Like white noise or interference noise, Or other radios with a really weak signal that you can't hear completely any way.

You just want it so it just quiets the fuzz noise. Depending on background interference and the amount of radio traffic, the may have to be adjusted to silence the noise you don't want to hear. When a strong audio signal is received, it will break the squelch, the higher the squelch is set, the stronger the signal needs to be to break it, otherwise it will silence it.

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