I recently purchased a used d110 and am getting no output out of it. Led on front stays red. If i partially remove one of the RCAs i will get a loud hum, but no results otherwise. I have tried all inputs I have available to me with no different results. Any suggestions?
The D110 I have has a shorted C6 cap also . I was told that Best buy had repair it before but he did not remember what they did. The C6 cap is NP 4.7uf @100v .Should I use aNP 10uf @100v ?and if it shorts with 100v cap is something else in the circuit that should be changed ? thanks
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The speaker level input option is designed for receivers that don't have digital output for the sub, used this way when you set to digital the speaker outputs only get the higher range outputs so won't reproduce much bass. To get the sub to work in digital mode you need to use the digital output (single RCA) from the amp to the sub
what r you hooking it to is #1 rca wires r the way to go when hooking up a subwoofer up .some subwoofers have 2 rcas on them one input and one output the in put is mono if what your going to hook it to has rcas on it then the left one is a mono output but if its an audio system then it mit have a subwoofer output on it
Hiya, start by checking the power cable, then check the fuse in the unit on the pcb. If blown, replace and if it blows again then problem could be either Power supply or the amp outputs. If it doesnt blow, stays on but no sound, problem also likely to be output stage. You will need someone with experience to check outputs, etc and a meter though. Hope that helps a bit. Best of luck
There is a standby indication that activates after 10-15 minutes without any input signal. I suspect that might be what the red light is telling you - no signal.
Loud hum from a loosened cable is normal as hum usually means there's an ungrounded connection somewhere acting as an antenna and the amp is doing its job to amplify what it thinks is a signal, in this case 60hz stray ac current is being sensed nearby. It's a good sign that you get hum from the sub because that means the amp is alive.
Avoid manipulating cable connections with the Sub or Receiver turned on as you could introduce a static spike that could harm any connected equipment.
Are you certain a bass signal is making it into the sub? The complexities of modern AV receivers vary in how you configure them to direct LFE to a sub. Bone up on that end of the chain.
Or, just hang a CD player on the Inputs of the sub and play something with a reassonable amount of Low Frequencies.
>>>> Be advised that this way of testing has NO VOLUME CONTROL because amps without volume controls always operate at maximum gain, relying on your external controls to attentuate it (hence, the loud hum from a loose cable); so choose a track that eases into the loud parts with some quiet parts up front and BE READY TO PAUSE THE PROGRAM AT ANY SIGNS OF STRESS. <<<<
A living sub will produce only muffled rumble in the absence of other speakers producing the higher frequencies which carry the intelligence of the signal. If that works, back to the receiver for settings. If not... sigh.
For hum problems, even those you cause yourself:
Disconnect all inputs to see if that helps. If it goes away start with the signal cables and add in things until it comes back.
Sometimes the reversing the orientation of the AC plug can help with hum. Or it could be something like a loose or high resistance connection internal to the sub. Good luck.