No sound My galaxy just stopped making noise. it transmits and recieves, but nothing comes out of the speaker. i havent oened it to look or hooked it up to an external speaker either.

sounds like a repair for a tech to me.

I would turn do the watts to about 3.5 and that radio should swing.Sounds to me like its trying to but the wattage is stopping it.Experiment with it and find where you want to set it.

Check the receive wire on the plug end of the mike, and the receive wire inside of the mike, just a starting point. ..hope this was helpful.....

it is either a bad soilder on your crystal or your crystal is going bad

Hi Darrel,

Since you didn't say if you have ever used this radio successfully before, I have to assume it is "new to you" and that you have never seen it work or used one like it before. Start with a few basic settings below:

Turn Squelch to minimum.
Set RF Gain (if present) to maximum
Set Mode to AM or FM
Set volume to 1/3 up
Connect to 50 ohm dummy load.

Turn power on. Hopefully you hear static. If not, try SSB or FM. Still nothing? Try connecting to an external speaker.

Chnage back to AM or FM mode. Key mic check & for transmit indicator. If none, change mic or manually short the PTT contacts in the mic or at the radio to see if it can be made to xmit.

If no xmit - insert SWR meter between xmitter and dummy load. Try to xmit on AM or FM again while watching SWR forward power, if none indicated, xmitter is probably defective.

Replacing parts in a xmitter is not recommended. You'll need an FCC license and a fair amount of expensive test equipment to test repairs, set power levels and deviation and perform an alignment to be sure you aren't causing interference on other frequencies and bands.

You'd be better off bringing it to a radio repair shop for repairs and an alignment.

go into the settings menu and do a sound test using the recievers pink noise tester to test each speaker connected, if while doing this test you still get no sound from those two speakers check connections, make sure speakers are not blown.
if speakers and connections are good then the reciever needs repair

RUSHING SOUND ?
1. Get the noise then disconnect the coax and see if noise goes away on receive, if noise goes away then address the ground on your antenna,
if noise still there then address the ground wire from power source

I have the same reciever, and had the same problem.  Contact Onkyo, this is a known issue where defective DSP chips were used and manifest problems with a popping / clicking sound when using surround settings.  These receivers also have a Dolby Digital input issue that can cause audio dropouts when watching cable or SAT broadcasts that encode DD using a 'newer' broadcast encoding methods.  Onkyo is covering the cost of that repair for me now, even though the receiver is 5 years old now....

Is it only the right speaker that is the problem?

Another way to solve this rear speakers problems is to go to the equalizer and have the system recognizes the sound coming out of all speakers. The AVR 745 comes with a microphone on the stick, using that to run the manual equalizer. It is the manual equalizer will set the rear speakers.