Question about Sony CFD-S28 Boombox

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Does not detect CD in drive of Sony CFD-S28. - Sony CFD-S28 Boombox

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Do you have it apart enough to view the CD transport mechanism ? if i so is the CD spinning up ?
over time the laser brightness diminishes and is not eluminating the cd proporly, there is a brightnes controll on the laser assembly, this can be ajuusted to a small degree to restore oporation, mark the original position of the control, the controll is located on a small pcboard where the plug enters the laseser asembely, turn the controll clockwise only about 5 to 10 percent, now atempt to read a good known cd, if it reads, leave it, if not turn the controll counter clock by 5 to 10 persent of the original poition, now try the cd again, if it works leave it, if not the laser may be defective and needs replacing, all this is asuming that the lense is cleen so prior to ajustment cleen the lense, also insure the lense is in place, some lenses have fallen off in my past experiances, and may be rateling around inside the unit, don`t lose it, you can very carefully glue it back in place using crazy glue, the assembely is quite easy to replace, you will see when you have it apart, if you can find a new one for a reasonable price this may be an option for you, one other thing, observer the carage, note if it seems to slide tho the center and then position itself a small portion away from the center this happens only when the unit is trying to read a CD , if so good, if not this may be due to a defective home switch used to position the laser over the appropriate track to read the directory of the CD, you can see the switch, and can be easily replaced, you will know how when you see it, that's what i know so now you know, good luck

Posted on Jan 31, 2010


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