SOURCE: No radio
The front end is bad on this reicever. Your going to need special equipment to trouble shoot this problem, as Its all RF. It is most likly not worth repairing as a shop will most likly charge you more then its worth
SOURCE: yamaha htr 5240 receiver, need fm antenna adapter
this is your manual http://www2.yamaha.co.jp/manual/pdf/av/english/re/HTR-5230.pdf
this is the 300 ohm adapter you need from radio shack and just install some small gauge speaker wire to it. or just splice the one that came with your receiver.
http://www.radioshack.com/product/index.jsp?productId=2062054
SOURCE: My AM radio reception does not work. I have a loop
You should buy an antenna amplifier. Here are some that work in-line and are designed specifically for AM radio:
http://www.google.com/products?q=AM+antenna+amplifier&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&ei=sVRBTKGhD47msQOvpNCYDQ&sa=X&oi=product_result_group&ct=title&resnum=1&ved=0CDEQrQQwAA
SOURCE: The FM antenna is insufficient. I there a way to
To improve reception, use a 75 Ohm outdoor antenna instead of an indoor antenna. Disconnect the indoor antenna before replacing it with an outdoor antenna.
SOURCE: FM antenna is not providing
If I understand your setup, you've connected the receiver antenna terminal to the output of the antenna amplifier. If this is true, I'd suggest trying the receiver using a plain old FM dipole antenna (available at Radio Shack and other stores) or even just a piece of wire hooked to the antenna terminal. You should be able to pick up some local FM stations then.
What might be happening is that the FM is being filtered out by the amplifier. Some amps made mainly as a TV signal booster have an FM trap designed to block the FM broadcast band. In the analog broadcast days, the FM band was right near the sound part of a TV signal, and the trap was there to prevent interference. It may be filtering out your FM band.It may also be possible that you're just overloading the FM antenna input with the amplified signal. Sometimes a signal can be too strong. Using a simple wire antenna will let you test the receiver by itself.
Other than connecting an antenna you shouldn't have to do any setup for FM reception. If you still get no stations at all when using a simple antenna, then the receiver may need service. But I doubt Circuit City would have sold a floor model that was defective, even at the very end, unless it was clearly marked as such and sold "as-is". I'm pretty sure you'll find that the receiver works with an antenna made for FM.
FM reception is weak
What to do
• Extend the power cord as much as possible. The FM antenna is in the power cord.
• Move the power cord to adjust the FM antenna
• If you still have problems with FM reception, you may need an external antenna.
* Call Bose®Customer Service to request one.
The external antenna on your radio is a coax (round) design It needs an adaptor and an antenna which are cheap.
Easy to make, radio shack "F" connector 90 degrees or straight, to 300 ohm wire connections. Attatch a 300 ohm flat ribbon antenna cable to those two screws and plug into radio and see how your reception is. You will need to position the antenna wires to get best reception. I have hid them in back of paintings and so on.
Cheapest solution next to putting an extension cord on radio power cord.
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