20 Most Recent Yamaha RX-V640 6.1 Channels Receiver Questions & Answers

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Subwoofer

go to audio set up and configure the system for 5.1 or higher sound output.then only all the speakers ll work
6/29/2012 2:42:26 PM • Yamaha RX-V640... • Answered on Jun 29, 2012
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My RX V640 is 5 years old..no problems...no

theb best way to do this is to connect the DVR to the vhs unit and the vhs unit to the tv using red white and yellow for both connections. usually composite video 1,2,3 or 4. DO NOT involve the AVR at all, as it will cause your video and audio to be out of sync.The video will not be as sharp, until you play it threw an up-converting dvd or AVR.
8/21/2009 9:10:44 PM • Yamaha RX-V640... • Answered on Aug 21, 2009
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Yamaha HTR-6240 shut down when it opens with click sounds

You will find it has a power amplifier issue. Take it to an authorised Yamaha repair centre.
11/17/2021 8:08:02 PM • Yamaha Audio... • Answered on Nov 17, 2021
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My RX-V465 how can I program it to a universal remote control

Follow the instructions that comes with the remote controller.
11/16/2021 8:29:49 AM • Yamaha Audio... • Answered on Nov 16, 2021
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How do I reset the protection circuitry on Yamaha RX-A820?

press and hold the 'tone control' and 'info' buttons and press power. This will release the protect. The first thing that show on the display will be the protect code to tell you why it shut down. If it turns right back off, then you most likely have a short in the amp that will need to be repaired.
10/24/2021 3:33:15 PM • Yamaha Audio... • Answered on Oct 24, 2021
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DSP-A590. Why is it dead?

sadly no clue intermittent failure problems are hard to trouble shoot
9/12/2021 8:52:28 AM • Yamaha Audio... • Answered on Sep 12, 2021
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Why does my PR15D shut off after 2 hrs. of use?

Sounds like an overheating issue. Check the heatsinks are fixed properly.
9/8/2021 6:38:13 AM • Yamaha Audio... • Answered on Sep 08, 2021
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How to reset yamaha R-N402 power protection circuit

This is directly from the service manual for the R-N402: Hold the left preset button (<) and the bass (+) button and press the power button and then release. The receiver will disable the power protection and turn on in self-diagnostic mode. My device is working correctly now. :)
8/20/2021 8:36:08 AM • Yamaha Audio... • Answered on Aug 20, 2021
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Yamaha RX-V457 error is DC PRT000 K, please suggest what to check and on which board..?

Check the power output boards for short circuit transistors and failed ICs.
7/19/2021 4:53:24 AM • Yamaha Audio... • Answered on Jul 19, 2021
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How to hook up subwoofer for yamaha RX-496 2channels receiver

You need to connect the subwoofer to your receiver using the speaker wire connections on the rear of the receiver. Take the speaker input from the subwoofer to the A or B speaker terminals on the rear of the AV receiver. Then take the speaker outputs from the sub and connect to the main speaker terminals. Really you need to buy a receiver with a sub out to do it properly. Sell this one and buy another.
7/4/2021 2:56:28 AM • Yamaha Audio... • Answered on Jul 04, 2021
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