Question about Denon Audio & Video Receivers
Problem playing usb files on denon s52 device. It recognises the USB, and has played the files previously, but now just won't play. I've reformatted the USB and reloaded the music files but still no luck.
If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.
It's one of the power amplifier channels which has gone faulty.
I just found this out after having this problem with my AVR-1906.
I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).
I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.
Just waiting for them to arrive.
An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.
Hope thats of use!
Posted on Aug 16, 2008
SOURCE: denon s52 not working after
There is a problem with the latest firmware available for the S-52. The firmware upgrade process went fine, but after the upgrade, my brand new S-52 would lock up randomly. Admittedly, it locked up once over 3-4 hours, so it does take some time to see, however when it did there was a load beep coming out of the speakers. Not exactly what you want to wake up to when you're going to sleep with the radio on sleep timer. I returned the unit and got a second unit and this time ran it continuously before upgrading it. No lockups! However some Rhapsody features are not functional without the firmware update and the wireless connection is less stable. After convincing myself the hardware was good, I upgraded the second unit. Within 4 hours of playback, it locked up again with the beep. They have a deadlock in their software or a heat issue with the new software - either way, I'm going to have to return the second unit. I can't have a $700 radio that locks up periodically - especially when I'm trying to sleep.
Posted on Sep 05, 2008
Check for nearby wireless devices and move them away. -If the audio output from the source device (i.e. DVD, CD player) is digital (i.e. PCM, DTS or Dolby Digital) you're on your own. I'd be willing to bet the output is analog (red and white RCA), because the "beeps" and "exploding sounds" you describe seem like it could be caused by interference. Try replacing the cables. Otherwise the issue is probably with your receiver.
Posted on Aug 11, 2009
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