Question about Audio & Video Receivers
The unit powers on, I can tune the radio part to a radio station, but I cannot get sound to my speakers.
The standby light on the unit is on solid all the time, (on or off)
when I first turn the unit on, it breifly says muting, then goes away.
I tried to hold the power button down while unplugged and plugged back in to try and reset the unit with no different response from receiver.
SOURCE: station memory problem
Sorry, I haven't addressed the station memory problem further since replacing the AC switch by-pass capacitor, which same didn't solve the problem. I'm using the receiver only as an amplifier for a Roku SoundBridge, so the station memory isn't a problem at present. When we return to AZ, I may look at it again.
Posted on Sep 05, 2008
i had exact problem.
the bare wire speaker cables that connect via a clip connecor in back of the receiver are pushed too far in. something inside is shorting out with the speaker cables. solve this issue by either tightly twistng or soldering the wire ends ( then clip the ends about 1/4 inch long). watch out for the same issue of electrical shorts at the speaker end of the cables.
Posted on Sep 05, 2009
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.
Posted on May 18, 2011
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