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Sony walkman nwz-b172f verbinden M. USB
Battery is 100% discharged. Therefore, PC's USB with 5V/500mA set up has not enough power to start up the charging process because loading current is greater than the set up, therefore USB is disabled immediately due to sudden current load.
Battery must not be discharged 100%
If it happens then the supplied AC adaptor must be used firstly because it is providing 5V/800mA power. After a couple of minutes the unit can be connected to PC without problem then it can continue the charging during file transfer, etc.
on Aug 09, 2018
My Sony crf v21 shortwaves receiver must be review
i have the same radio and the same problem
been to 3 shops no one can fix it
seems to be a problem with these radios starts up then power out
i have been told it is the microprossesr and happends a lot with this radio
can any help ?
on Aug 08, 2018
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