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I have a Sony Air 7 radio. The volume control is faulty, it only works at full volume. I have taken the back off the radio but can't access the area around the volume button.

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  • Anonymous Aug 22, 2008

    My problem is exactly the same. If you find a solution please let me know!

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HI I HAVE FIXED THE SAME FAULT ON MY SONY SCANNER BUT NOT FOR THE FAINT HEARTED!. YOU WILL HAVE TO UNSOLDER AND EXTRACT THE CONTROL AS THE TRACK SPRING LEAVES HAVE BECOME WEAK AND ARE NOT TOUCHING THE TRACK PROPERLY.CAREFULLY TAKE APART THE CONTOL CLEAN ANY RESIDUE ON THE TRACK AND CONTACT SPRINGS THEN RE ASSEMBLE AFTER SLIGHTLY BENDING THE CONTACT LEGS TO IMPROVE PRESSURE ON THE TRACK. BEST OF LUCK I HAVE GOT A SPARE WHICH MIGHT FIT YOUR MODEL. CHRIS

Posted on Aug 01, 2009

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Brian here well I found the sony air 8 in a box,i got it years ago and just refound it..i love this thing.
can someone tell me the best ways to use it and what the best way to pick up sounds from a long way away,
please email me as im not on my computer, glassblower4u@yahoo.com

Posted on Nov 07, 2008

Using something like CRC's CO contact cleaner (http://www.crc.co.nz/item_prod.asp?pid=184), spray down near the volume control with the supplied extension tube. About 2mls should do it. It's real tricky to get to the inside of the volume control on this device but somewhere close should do the trick.

Problem is caused by dust inside the potentiometer. I have the same unit that had the same problem, this sorted the problem for me. It won't be a permanent fix but it should but you a few more years.

NZ Electronics Tech

Posted on Oct 11, 2008

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Kenwood kr 5050 volume stuck on high cant change


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There is a wiper on the back of the volume control that varies the resistance through the switch to control the volume. When you move it back and forth you are scraping the oxides off the switch and making it work again. I suggest you either get some contact cleaner and spray the control from inside (where the wiper is) or just change out the switch.

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The volume level is low and schachy on one side of balance, most noticed in low volume, once the volume is increased greatly the balance comes back. if left in low volume the balance control on the bad...


Hello,sounds as if its an older reciever and the control is simply dirty(dusty) . What i would recommend (if you can access it) is simply spraying contact cleaner into the control .Contact cleaner can be purchased at a radio shack or online ,just get a quick drying one and do it while its unplugged.

Feb 14, 2011 | Audio & Video Receivers

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My Denon AVR 3903 has a problem in that when you turn it on, first thing in the morning, the volume level is really low then after 30 to 45 minutes later BAM the volume kicks in to where it should be.


Issue with your Potentiometer.... Try to clean it with Air pressure inside your Potentiometer Sometime it full ov dust inside .. go to Radio shack or any store by a Air Spy Can take off your volume Button an spy inside your volume You May have to change your volume wih is call potentiometer if you send it to a radio reapair it will cost you arrond $60 to a $100 dollard to fix

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Hi..

You need to replace the Volume control, the volume control is faulty already

Good luck !!!

Regards

PCmania

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Audi concert sound system volume control faulty


problem is due to the microprocessor that runs the whole show, or more precisly a part of it that
remembers the volume level you had set when you removed the key, this memory is call EEPROM,
(electrically erasable programable read only ymemor), it can remember its data without power being applied,
this type of memory had a limited number of write cycles( number of times it can be re -written lets say between 20-50,000)
the early concert radios would only write to this memory when the radio was switched off, so that equates to 2-3 times a day in normal use, later radios have a software bug that writes(updates) this memory EVERY time you alter the volume level, you will quickly use up the 50,000 write cycles and the memory becomes defective, the symptoms are full volume that cannot be controlled, and it will be temperature sensitive often improving when it warms up.
Shame on you AUDI, this product was defective from manufacture but you dont honour any player out of warrenty, EEPROM has limited write cycles any engineer knows this, your software is defective.

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