Harman Kardon AVR 146 shuts off after 10 seconds by itself
I purchased this refurbished receiver in June '08. I was watching it yesterday for about 2 hours, turned it off and went to the gym, and when I came back, I attempted to turn it on, and all that happens is the button on the bottom left turn blue/clicks (nothing comes up on the screen) and after about 10 seconds, the button turns back to orange and clicks again (it is always orange, which is standby mode.) I never leave it on for long periods of time. Help!
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Possible blown fuse inside unit, unplug and remove the top cover
fuse should be near the power board and transformer. replace with exact fuse, "Never remove covers with the unit plugged in" Always wait 4 or 5 minutes after unplugging to remove the cover.Replace cover before plugging unit back in.
First try ensuring that "OPT 1, 2, or 3" function is selected depending which one you are using on the H/K 146 (see manual for selection instructions). Next please ensure that the PS3 audio out set to "optical" (Settings/sound settings/audio output settings/digital out+DD 5.1). That should help.
could be your receiver only, it has tripped due to discrepancy on the output stage of your amp. that cracking sound in one of your speakers could have caused the trouble. it is possibly shorted. but in your case it could have damaged already the amp that;s why it would not turn on. normally it will first trip, turn on then turns off. but to stay off and not to turn on again is major problem of the amp. or maybe it emanated from miscabling, probably the ceiling speakers got connected to a high output or main amp. but try removing all speakers first then turn the unit on. see if it does power up.