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Hi there, i have a Kenwood V7090D AV receiver. the problem is a) i cannot switch the DSP off without 5.1 switching off as well and b) DSP affests all channels when speakers B is swithched on. if u can help me solve this thatd be awesome! Thanx, Ben

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If you have only Left and Right connected the receiver wont know what to send to the other speakers without some kind of DSP.
If you are using an optical or coaxial connection from a dvd player it may utilize the other speakers if the DVD player is providing that information.
If you dont like the DSP but still want to have all the speakers function while listening to non surround sound material try setting the DSP flat or to a reduced setting.

If you are listening to a DVD with surround sound information and the DSP off still provides no sound to the rear speakers check the manual for that receiver for a "auto surround detection" setting.
good luck.

Posted on May 02, 2008

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Your problem is in your DSP circuit. This what makes your different soround sound options.

Coil L921 which is located on the DSP board may have opened due to in rush current.

Check coil L921, if open, replace it with a new and improved coil.
The Onkyo part# is 231237M022R2.

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BOTH channels? That would suggest something common to them both, huh?

If it's only present on analog sources I would suspect a bad audio cable or a switch contact somewhere in the signal path. Typically, it might be a switch you rarely use, like a Tape Monitor or Mute. It's wise to occasionally (with power OFF) manipulate all manual controls throughput their ranges a number of times to wipe oxides from their contacts.

The problem may be within the unit, a connection behind the jacks. Bad solder joint maybe.

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http://www.retrevo.com/support/Pioneer-VSX-D411-Receivers-manual/id/385ci976/t/2/

I believe it's trying to tell you something is wrong with its digital sound processing.

This was the best source I could find on it:
http://www.avforums.com/forums/av-amplifiers-receivers/381823-problem-pio-vsx811s-no-sound-display-says-dsp-ng.html


If you switch it to satereo / direct and the light goes out I'd say that would clinch it.

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PLease rate my help.
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Check to see that all the speakers are firmly connected at BOTH ends.
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Let me know , Thanks

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1 Answer

My kenwood amp keeps cutting off on dvd mode but is fine on stereo mode???


Without knowing the model number of the kenwood reciever and what DVD input (analog or digital) you are using, I can only give you my best guess at what is causing this.

If you are using analog input (RCA cable), try connecting another analog source into the DVD input and see if that cuts out. if so, the problem is in the reciever and may just be a broken solder connection on the RCA input jack, if not the problem is in the DVD player.

If you are using the digital input you may have a problem on the DSP board. This is a very hard problem to troubleshoot to a componet level and many times the entire DSP board must be replaced (if it is available, which is rarely with Kenwood).

DSP board repairs are all very difficult repairs for any service center.

The only way to really know what the problem is, if you have eliminated the DVD player as the problem is to take it to a service center to get checked out.

I will be happy to help you more if you can get me the model number of the receiver and also try to check the DVD player for this problem.

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Hi,
I have same DD 5.1 tiny "bursts" problem with satellite HD channel. It is probably problem with Crystal DSP (German site): http://forum.digitalfernsehen.de/forum/showthread.php?t=89328&page=3
"Denon bietet Lösung für EX-Flag-Problem bei den Modellen AVR-1602 und AVR-1802 an

07.08.2002(cr)
Dass die Denon AV-Receiver AVR-1802 und AVR-1602 die mit einem DD 5.1EX-Flag versehenen Tonspur von "Atlantis" und dem "Herrn der Ringe"nicht abspielen können, ist ein spezifisches Problem von einerbestimmten Revision des in diesen Geräten verbauten Crystal DSPs.Dieser Chip wird u.a auch in einigen Kenwood- und Onkyo-Modelleneingesetzt.Da es von diesem Crystal Chip unterschiedliche verbauteRevisionen gibt, von denen aber nur eine bestimmte betroffen ist,werden die beiden Filme auf dem größten Teil der verkauften AV-Receiverohne Schwierigkeiten laufen.
Denon bietet nun für alle betroffenen Kunden, die ihr Gerät beimdeutschen autorisierten Fachhandel erworben haben, eine kostenloseModifikation an. Das Gerät muss beim entsprechenden Fachhändlerabgegeben werden mit dem Hinweis auf das Herr-der-Ringe- bzw.Atlantis-Problem.
Momentan steht nur eine begrenzte Anzahl an DSPs zur Verfügung - Denonhofft, dass kurzfristig ein größeres Kontingent eintrifft.
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