Question about Sony DAV-C700 System
I have a red power light but no display or activity from the cd tray.?
Also a slight humming noise inside the device. Any solutions?
A lot of "aged" problems relate to the power supply with this type of unit. If you are a handy chap and know what capacitors are you will find that finding and replacing the "dry" caps in the power supply will fix most problems including streaky pix and crackly audio.
Posted on Mar 10, 2008
Same issue here...
Posted on Dec 17, 2007
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Posted on Jan 02, 2017
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Buzzing is usally AC line noise leaking into an un-shielded cable somewhere or a floating ground. If the AC plug is reversible, try that. Sometimes the buzz is from an attached device. Make sure all audio cables are plugged in tightly at each end and routed away from or at right angles to any power cords and away from other sources of strong magnetic fields like TV's. I've also seen variable track lights induce noise but it's usually minor.
Consider the presence of light dimmers, too. Mine induce buzz when the lights are on.
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