Exactly what particular type of â€˜CDsâ€™ are you having problems with? Are these â€˜CDsâ€™ original commercially manufactured â€˜CDsâ€™ or are these â€˜CDsâ€™ personally recorded â€˜CDsâ€™.
If the â€˜CDsâ€™ are dirty or scratched your Pioneer DVR-115D has to slow down to read the data correctly from the dirty or scratched â€˜CDsâ€™. Also if these â€˜CDsâ€™ contain some type of copy protection your Pioneer DVR-115D will have to â€˜slow downâ€™ to effectively read the data from the â€˜CDsâ€™.
Also if these â€˜CDsâ€™ are personally recorded â€˜CDsâ€™ the quality of the blank CD Media used has a great influence in the ability of your Pioneer DVR-115D effectively read the data at a â€˜fastâ€™ speed. If poor quality blank CD Media was used to record your personally recorded â€˜CDsâ€™ your Pioneer DVR-115D will have to slow down to effectively read the data correctly from the poor quality â€˜CDsâ€™.
Also if the personally recorded â€˜CDsâ€™ were exposed the bright sunlight or excessive heat degrades the quality of â€˜CDsâ€ which makes if difficult for your Pioneer DVR-115D effectively read the data at a â€˜fastâ€™ speed.