Question about Yamaha Audio Players & Recorders

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I have a Yamaha CR-820 unit and cannot receive an FM signal. AM is fine. Also the FM meter reads as no signal. Please help.

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If I remmber correctly, the FM section is a couple of ICs (LAxxxx or LCxxxx). I will look this up when I get back to my shop. Check in the tuner area for a coupld of 14 pin ICs. Check for 12V or 5V in the area and look for poor solder joints in the area as well.

Let me know what you find. I'll post back with additional details.

Dan

Posted on Jun 29, 2009

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First of all check for any nearby source of interference.....Move your unit away from all computers, fluorescent lights, neon lights, microwaves, cell phones, and cell phonemag-glass_10x10.gif chargers. These devises tend to produce noise in the medium frequency band, where AM radio is broadcast.
If the unit plugs into the wall with a nonpolarized plug (where both prongs are the same size), try reversing the plug inmag-glass_10x10.gif the outlet. Moving the plug to another outlet might help, too.
check for fault in the antenna lead, (common) or bad earth on the antenna to body
If you don't have an antenna connected to your FM receiver,With a receiver or tuner, connect a wire-loop or T-shaped dipole FM antenna to the back of your unit. Move the antenna until you get the cleanest signal. Use a signal-strength meter or display to gauge signal strength if your unit has one.
  • Step 2 If you're still not getting a good signal, try an indoor amplified antenna, which you'll find at an electronics store. Don't buy one unless you get a guarantee that you can return it for full credit if it doesn't solve your reception problems.
  • Step 3 If your signal is weak because you live a long way from the transmitter, install an outside antenna and mount it as high as is practical. If you're primarily interested in getting signals from one station or from a group of stations in one direction, get a directional antenna and point it toward the transmitters.
  • Step 4 If you're using a portable FM radio where the only antenna is the power cord, stretch the cord as straight as possible and experiment with positioning again.
  • Step 5 Temporarily switch to monaural mode to improve a weak signal on an FM receiver.

  • Read more: How to Strengthen FM Radio Reception | eHow.com http://www.ehow.com/how_114024_strengthen-fm-radio.html#ixzz0u9nhGXAL


    If you're still not getting a good signal, try an indoor amplified antenna, which you'll find at an electronics store.
    If your signal is weak because you live a long way from the transmitter, install an outside antenna and mount it as high as is practical. If you're primarily interested in getting signals from one station or from a group of stations in one direction, get a directional antenna and point it toward the transmitters. Make sure to Switch from stereo to mono.
  • Step 4 With a receiver or tuner, connect a wire-loop or T-shaped dipole FM antenna to the back of your unit. Move the antenna until you get the cleanest signal. Use a signal-strength meter or display to gauge signal strength if your unit has one.
  • Step 5 Alternatively, upgrade to a third-party passive or powered antenna.
  • Step 6 Install a rotatable roof antenna for the best possible reception. Connect your unit to an existing televisionmag-glass_10x10.gif roof antenna for the next-best alternative.

  • Read more: How to Improve FM Reception | eHow.com http://www.ehow.com/how_5554_improve-fm-reception.html#ixzz0u9oTaz4Y

    If you're using a portable FM radio where the only antenna is the power cord, stretch the cord as straight as possible and experiment with positioning again.





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    Yamaha CR-820 has no FM


    You have to connect an external antenna to the FM ANT. terminals on the back of the receiver.

    Jun 28, 2009 | Audio Players & Recorders

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