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The popular CDM-4 CD laser transport can develop a sticking and erratic loading tray. This is characterised by a stuttering, juddering action as the draw tries to open and close. There is often a grinding noise associated with the problem. The CDM-4 transport was used on many Marantz, Philips, Bang & Olufsen, Diora, Dual, Grundig, Rotel, Technics models and more. This video shows you how to identify the models, repair the problem and where to get the parts.
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