Question about Sony Walkman D-EJ621 Personal CD Player

2 Answers

Just bought a used Walkman D-EJ621 on e-Bay and have found that the volume will not advance upwards past 3. Sound quality is excellent, no hiss or buzz, etc. Am using Bose earphones and fresh batteries. Any suggestions before I send it back? Thanks, Bob

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  • nanook_krueg Sep 02, 2010

    FYI: I did some research and found the answer to my problem. Perthaps you are not aware that the AVLS system can be turned on and off on most of the newer models. I sure wasn't aware, and no manual came with the unit as I had purchased it on e-Bay. My Walkman arrived with the AVLS on and limited to Volume level 3. After looking at a similar manual at http://www.docs.sony.com/release/DEJ612C... I found that the my unit had a similar AVLS switch located in the Battery compartment. I turned it off and VOILA! the volume now goes way up to 10 where it should go. Volume 8 is plenty plenty though on this unit. Tuck this new knowledge away for further use, as I'm sure some poor soul is going to accidently turn the AVLS off while fiddleing around in the battery compartment putting in new batteries and you're going to get the same question! Thanks for your quick response even though it was not helpful. Bob

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Hi,
Thanks for update, yes, AVLS limits the volume control to minimum level and it wont advance, turning off AVLS will give you control to change volume level.
Click Sony Support to download required user manual copy of D-EJ621 portable cd player that has all operational details.
Thanks.

Posted on Sep 02, 2010

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  • Sony Master
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It is possible that the digital to analog convertor is not working with inputs from the microprocessor.When the volume is turned up ,each impulse gives one count of potential for the bit processor to increase the audio signals in the preamp IC.It can be that oneof the pins of the IC is detached from the board- SMD IC.How ever to attempt to solder or remove /dismandle the set is not advisable so as to forgo a warranty.
If the volume you are receiving is quiet adequate ,then it is good enough to keep onlistening as there wont beany harm.
Now it is left to your choice.

Posted on Sep 02, 2010

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