Question about Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: vsx-d412 displays "amp err" then
This is the same as "protect" mode. Basically the unit has detected a problem with the output stage of the amplifier and has shut down to prevent further damage. Usually this is caused by defective output transistors. Expect a parts cost in the range of $15-$40. Add in the local labor rate for the total repair bill.
Posted on Apr 15, 2008
The AMP-ERR message in many Pioneer Receivers is caused by some DC in the output. The microprocessor then issues the warning and shuts the unit off. It is definitely not a relay switch. It could be the amplifier power pack, i.e. PAC011A or similar that is faulty or something else. Not easy to repair for the non- experienced DIY.
Posted on Apr 24, 2009
SOURCE: sub woofer
The subwoofer is totally independent from your Pioneer VSX-D412. You can check if it works like you did with a finger on the hot point of the RCA cable (not very good test, as you will hear noise and can't say if that means it works OK) or better connect a known receiver to the speaker connections in the sub and test to see if it’s working properly.
Regarding the receiver, you may not have enabled the VSX to output to the sub. Read the manual on how to check for that. Only Dolby Digital 5.1 signals will allow the sub out, in a receiver of this level. It normally will not let you use the sub in stereo mode. Some more complex units will allow you that, but I believe not this model.
Posted on Aug 02, 2009
Make sure that the sound field/programme you have selected is dolby digital not stereo.(On the amp)
You also need to check on the display that is says DIGITAL not ANOLOUGE, as only a digital input, Optical fibre cable, HDMI, COAX will be a digital signal.
If you are using red and white rca connectors, it is not going to work, as this is an Anolouge signal.
Posted on Sep 13, 2009
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