Question about Audio & Video Receivers
Just finish repairing Marantz SR 940 with no sound output. Problem was a clamped speakers relay located behind the speakers lugs (red and black post connectors). To reach the relays you must remove the little circuit board behind those colored connectors et unsolder the posts. There is 2 relays, one for A set and one for B set of speakers. Very EASY when you know the solution!!
Posted on Dec 24, 2012
SOURCE: Marantz Sr8500
Check the speakers impedance. it should be greater then 6ohm otherwise you overload the system. Also, if the speaker sytem is rated (in Watts) below the amplifier's power it overloads the amp at higher volumes.
Posted on May 18, 2008
You need to check the connection of the lead that carries the audio from the DSS to the amp, move it to one of the other channels ie vcr and see if it can be heard when set to and switched to vcr. Then we know if we are dealing with the Amp or the source..
Posted on Dec 23, 2007
SOURCE: Audio glitch on Marantz SR-19
It's probably not heat due to the Marantz' large frame and heat-synchs.
This could simply be a mismatch of impedance. The amp is 120w per channel, so make sure the speakers can handle this. Check the impedance (ohms) of the speakers and the amp as well. Clipping can be caused by overpowering the speakers, which could damage the speakers in the long-run.
If this is only from 1 source- (i.e.- Blu-ray player or cable) then it could be digital clipping.. This Marantz can decode 96kHz PCM or normal Dolby Digital & DTS. If this is a Blu-ray it may be streaming 192kHz PCM... (but most likely the Marantz will not even attempt to play that audio)
I hope this helps.
Posted on May 31, 2009
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