Member
Location: Oldham
Posts: 95
I'm Ray.
Denon Amplifier PMA-720AE auto shut off
Not sure why but my Denon amp has suddenly started to turn itself off when not in use (never used to do that). I have to reset the on/off button which flickers red for a second or so before turning green. Is there a safety mechanism or something built into this amp.
Ray
Denon PMA-720AE - Arcam Alpha CD - Apple iMac - Mission 751 - Teufel 2.5mm Audio Cable
Senior Member
Location: Bournemouth
Posts: 5,332
I'm Dan.
Few simple checks ray
Check all speaker cables amplifier end & speaker end to make sure their not short circuiting IE no lose strands of wire poking out and all is wound up smooth...also check no interconnects are touching metal to metal or using thick speaker cable or interconnects..
Could be a source issue but unlikely....
hope this helps...
Pre and Power Amplifiers
Quad 33 Pre with Quad 303 Power Amplifier
Loudspeakers
Quad ESL 57 Loudspeakers
Speaker Cables / Interconnects
Basic Copper Speaker Cable / Cheap Interconnects / -10DB Attenuators
Digital
Sony RCD W100 Transport / Beresford Caiman DAC / Paul Hynes SR4 PSU / Chrord Coax for TV / Optical out from Sony
Vinyl Front End
Thorens TD 165 with Shure M75ED
Reel to Reel Machine
1967 Ferguson 3218
Super Moderator
Location: W Lothian
Posts: 98,920
I'm Grant.
I believe it has an auto shut down to standby mode after 30 minutes of no signal.
It can be turned off in settings, but its been known to happen where on or off ive heard.. Worth checking the settings, but if its only happening when your not using it then its a bonus as itll save lecky and machine
Regards,
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