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Quad 405-2 just went bang when i switched - changed fuse but stayed dead

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The outputs are shorted. These are relatively simple designs. figure on about $25-$50 for the parts plus hte local labor rate for repair. I just did one of these recently. Nice units worth about $400+!!

Dan

Posted on Oct 16, 2008

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Not switching on!


A short has transpired before the fuse. Now in protect mode. See a tech.

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I have a Kenwood vr-405 and for the most part it works. I have been noticing that one front speaker is quite a bit louder than any other speaker. I have tried to adjust it many times and it seems like...


Maybe you should first isolate the problem to the receiver or the speaker by swapping the front speakers with each other to see if the loudness stays with the channel of the speaker.

Or, the acoustics of the room just make that speaker seem louder at the listening position. Try taming it with the adjustments provided in the receiver.

The manual can be found at http://www.retrevo.com/s/Kenwood-VR-405-Receivers-review-manual/id/480ag202/t/1-2/

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Cant get bass, fuse is fine


You don't say if you've configured the Receiver to know you have a subwoofer (under Multicontrol - SUBW YES). Unless it knows about the Sub it won't send anything out that single "preout". You can get an RCA splitter to run that single output to both inputs in the Sub.

Just as an experiment, temporarily run one a pair of cables from the REC OUT to the Sub's inputs and tune an FM station to prove the Sub amplifier is alive. If it's still silent, it's dead. If there is sound (muffled) you need to go back to the Receiver to figure out why the Sub Preout is signal-starved.

May 16, 2009 | Kenwood Audio & Video Receivers

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Only makes a loud popping noise now


if it is still in warranty take to get fixed if not pull the case off and check the fuses if ones blown go buy a new one the correct size is written on them, if no fuses are blown then its worse, if you have friends who know about electronics  get them to look at it otherwise take it to a repair shop

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Kenwood KRA 5050 No power


I think the movers mishandle your unit that why it happen like that.It needs to reheat or resolder because the solder holding the spare parts are loose or crack,so when it resolder already performance will come again .That all Txjay , just for now.

Jun 18, 2008 | Kenwood VR-405 Receiver

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Do you need a remote to fully power it on?


The problem was caused by a blown fuse. The secondary power supply was still functioning which powered the small LEDs and some of the switches on the front. The fuse went because a pair of the darlington driver transistors went (center channel I think) and some components on the rear speaker driver board.

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Stopped working


I had a similar problem with a jvc 8040. when I replaced the fuse it became very obvious that the b1560 output on the center channel was blown (smoke and sparks, always a dead giveaway). I haven't fixed the center channel yet but simply unplugged the center channel board and removed it from the unit. Now everything works fine except of course the center channel. Pre outs still operate just fine so a slave amp could be used for center channel power, or you could just go and buy a marantz amp; I did and then I realized that I was lucky that the old jvc quit.

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I felt supid this morning.
I bought a high end cable for my subwoofer.... and it did not work but a regular RCA Cable did. When I went to put the cable back in the package I saw an arrow pointing one way, I turn the cable and it works great.

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Kenwood VR-405


more info would be nice. If you're using optical, make sure its securely in both the tv and your vr-405 receiver. I have owned the vr-405 since 2000 and i just purchased a sony 32xbr6. HDMI into the TV, optical out to the receiver, it sounds amazing!

Dec 01, 2007 | Kenwood VR-405 Receiver

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