Denon AVR3300 Reciever. Amp powers on perfectly. Makes all the right noises, but no sound from the speakers. Disconnected them all, left amp on for a while and just connected a single speaker (centre one). No noise from the test signal. Amp works perfectly otherwise, Just no sound! Abit poorly for an amp!
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you need another reciever/amp to power that sub, because that denon reciever is designed for a powered sub,. if you have another old reciever/amp laying around, you can connect the sub out from the denon into an auxillary input of any old reciever/amp, (switched to that input) with speaker wires from old reciever/amp to the passive sub
The problem is in the audio output section, or cracked solder connections on the main printed circuit board. But! check the speaker wires for shorts first, if okay! you will need a professional to take this further.
probably one of your speakers has blown.. disconnect them all. turn the reciever on. if this works turn it off connect one speaker and turn it on.. keep going until it goes red... when you find the speaker discennect all the other speakers keep this one connected and confirm that it is this speaker giving issues.
if the amp doesn't come on with all speakers disconnected, remove the visual outs and start it with nothing connected. isolate the issue if this works. otherwise it might be your amp.
Sounds like faulty psu (pwer suply unit) Amp is going into protection mode. Disconnected all speaker and av wires (only power) turn up volume and see if it stays on. If not psu, sounboard or volume function faulty. If on, connect one speaker L or R. Go to tuner mode to tuned radio station an listen for sounds. If on, connect speakers and av cables one by one and test each one on its own until amp switches off, Investigate from there were problem is. Make sure speakerwires is not shorting out.
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
It turns out there is a problem using hdmi cables with integrated amplifiers Denon dvd players (the 1940 series) - the hdmi cable processes the visual signal before the audio signal. Therefore there is what appears to be a lip syncing problem because there is a short 'time delay' between the visual and audio signals. I would advise anyone to simply use an AV reciever as they incorporate time delay technology so the visual and audio signals are in perfect sync. Luckily, Richer Sounds, where I bought the intergrated amp gave me a full refund, no quibbles or hassle. I would like to add I am unsure if the problem lies with just the Denon 1940 hdmi dvd players and intergrated amps or ALL hdmi players. Also, I was trying to achieve a simple 2 speaker set up with the amp.
The forum on What Hi-Fi document this problem with much better clarity and technical explanation that my understanding of the problem. However, the lesson learned is, if you want any speaker set up with your dvd player, use a dedicated AV reciever.
well as long as all signals are routed through the Denon your on the right track, now what else you have to do is connect all devices to the reciever do not loop one device through another. Also you have to try the different surround fields to hear the one you like the best for music I use 5Ch stereo for movies the surround field varies based on the type of movie
Remove all speakers cables or wires and check all from behind the Receiver. if there are any loose terminals or any metal object in between the terminals.
though it might be a coincidence that you have a problem in the Receiver.
unplug the power cable from the wall socket and remove all cables.
after you remove the cables plug the power cable in the wall socket and try if you see the protection displayed , the receiver needs service.
The Denon 688 does not process sound via HDMI, you have to run a seperate cable to get sound. Choices are analog audio jacks (red and white) or either a toslink (optical) cable or an rca digital audio cable.
If your tv is putting out mono you will only get the center and sub speakers. This can be because the tv is only mono, or the output is set to mono in a menu of the tv. If you have cable or sat run the digital audio out to you receiver; it usually sound better that way anyhow. Set your receiver to Dolby mode for best sound.