Question about Aiwa AV-DV75

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Dim display I am trying to fix an Aiwa for a friend. The display is very dim in all modes. Any suggestions?

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Replace the display tube...accordianman

Posted on Jun 10, 2008

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The problem is with its backlight inverter board. there are some step-up transformeres [small ones] fitted on board. If any one's core bacome loose this fault will occur. Just open the TV and listen to which one makes hi-pitch noise. Replace it, if you can buy it from the electronic market at your town. In most cases, the inverter board needs replacement.
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I have an AV-S17 and it's stuck on eco mode. I have tried doing what the form has said for me to do and it doesn't help.


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Aiwa-AV-S17-Receivers-manual/id/1076ag804/t/2/

Page 7:

To cancel the ECO mode

1 Press the ECO button to display ECO MODE while the unit is turned on.

2 Within 4 seconds, press the ENTER button.

3 Within 4 seconds, turn the MULTI JOG to select ECO OFF.

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Hi,
There are few websites offer schematics/ service manuals for products and your required schematics are available HERE for small fee. Because schamtics/ service manual is technical document of a product so it wont be available for free over internet as user/ owner manuals are almost free.
Hope these info will help you.
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Jan 22, 2010 | Nakamichi Audio & Video Receivers

1 Answer

Yamaha RX-V470 LEDs/Lights all out


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Check and see if you don't have a auto dim setting on or you changed Display setting.

I have same Amp and this happened to me also.

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The display will dim for certain features that are not available for use in your current configuration or current operation.
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Yamaha rex-v390


Modern home-theater components monitor themselves electronically for potentially dangerous malfunctions such as damaged internal parts. When a unit's microprocessor senses a problem, it will typically shut down so that no further damage -- or potentially dangerous disasters like fire! -- occurs. Your receiver is identifying something upon turn-on and shutting down as a result. My guess is that you're going to need service for your Yamaha. There's likely no fix that you're going to find. You need a professional service technician.

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