Question about Pioneer Audio Players & Recorders
This DVD player does mot switch off either from remote or on/off button on unit. The tray also will not open. When entering the setup menu, the menu auto scrolls up/down without any prompting from the remote unit. The USB input works fine however and the unit plays from this. The unit did this with the previous firmware (1.54) and I had hoped the new firmware update would clear the problem (ver 1.701) but it has not made any difference. Regards,
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Posted on Jan 02, 2017
SOURCE: Denon AVR 1803
Hello, I think that you've got a problem in the relay circutry or a logic problem. tell ya what I ve got the service manual and schematic for the reciever. the engineers at denon where ahead of there time when this company started. they designed the equipment around what they wanted the specs to be for signal to noise and discrete audio channels. each of the sound channels from the component and composite inputs is given its own bus and amplifier channels. these paths are also common to the reciever/tuner outputs. one question though you mentioned that the composite/component video paths are not switching from the input to the output youve designated, and that the monitor checks good. do you have another video source,either digital or analog that you can input throgh another channel to see if it is infact a switching problem. try that and let me know. I can give you help with the switching circutry form the schematic if need be. believe me I know It took me about a week to track down the service schematic for this unit. Denon doesn't like giving out info unless you are an authorized repair center.
Posted on Jan 03, 2008
SOURCE: Denon AVR 1705-no audio on TV
I have had the same problem and was told that it is a "board" inside. Essentially it has lost the surround sound ability and can only play things in Direct/Stereo. Mine is just over 2 years and I originally thought my kids had hit a button on the thing causing the issue...ended up paying $100 to trouble shoot it and confirm that it is internal and more expensive to fix than replace. Can't say that I will be buying a Denon again.
Posted on Jul 15, 2008
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