I turned on my receiver to find the light on the volume knob blinking, and no sound coming from my speakers. I checked all connections to find nothing out of place. The only ideas I got from the manual was to power down and then back up, or unplug for a minute and plug back in. No response from either attempt. I did notice however on the tuner setting only, with the volume 3/4 way up I could slightly hear some sound.
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Re: Volume light blinking, no sound.
Plug in some headphones as they are usually always active and see if you get any sound and volume control of them.
if not the switches may be stuck .
or the output fuses blown.
it gets sticky to work inside one of these without electronics experience and you can do more damage.
The fuses are about all you are allowed to fix.
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This could be due to a faulty speaker relay (if your unit uses one). Normally, the unit will "wait" a couple of seconds after you turn the unit on. Then you will hear a "click" and the sound will begin coming through the speakers. If the relay is faulty, it would cause the problem you describe.
Check wire connection to rear speakers and ascertain the speakers are properly grounded. Using a multi-tester, there should be "zero" ohms resistance between the speaker ground and a nearby nut, bolt, or metal component part of the receiver. Get a cheap speaker and splice the test speaker to see if there's sound when radio is "on." If there's sound, but you can't control the volume, then the volume control knob is defective. The volume knob is a potentiometer, which is a variable resister identical in principal to the electronic fuel throttle of your vehicle. If volume is controlled by 2 buttons, then the button's circuit are not connected to the main motherboard.
Looks like your volume control switch is not working on the left side, you can check it by tapping the knob on the volume control and sound will come out on left side.
The only way to get the sound again is to replace the volume control or pull out the volume control and open it up to clean the contacts in it.
If you have an extra headset around, plug it into the same place the speakers are plugged into, if it works, your speakers are bad (or check to make sure the power light is on on them and that their volume knob is turned up). If you still do not get sound, click on your little volume/speaker icon by your clock, then click 'mixer' at the bottom of it (Windows 7 hopefully?). Make sure the different volume controls are turned up because sometimes one low one will affect the entire system. (If Windows XP, right-click the speaker, then 'Open Volume Control'. Adjust until you hear sound.)
Assuming you aren't turning the volume knob past half way before the problem occurs, you most likely have a damaged speaker cable or a bad driver in one of your loudspeakers. (Once your volume knob has reached about half way the amplifier is producing its maximum efficiency.)
Note the position of your volume control when the clipping occurs, then remove one speaker at a time and raise the volume. If you identify a speaker as the culprit, inspect or replace the wire running to it and try it again. If you aren't able to find a bad speaker, the problem is internal and will need to be fixed at a repair shop.
That may be a clue to your shutdown problem. Disconnect that speaker and see if the unit still shuts down. If it does not, then there is a problem with this speaker,or the wiring going to this speaker. If the unit still shuts down, disconnect each speaker at a time to see where the problem is. If none of the speakers seem to cause the shutdown problem, there is na major fauly in the amp circuit, so the amp will need serviceing or replacement. Good Luck