Is it wise to open the unit and clean the lens? I have a Marantz DV9500 that will not play all cds. I suspect lens is dirty. Besides a q tip what should I use for liquid ?
Danmyers Thanks for the tip but I just read the ingredients on my bottle of 70% isopropyl alcohol and it states 70% isopropyl alcohol and 30% water - nothing else. I do get the sale stuff so I would have to assume that more expensive alcohol may contain stabilizers, perfume oils or color additives. My stuff is clear. I wouldn't think the stabilizers are a problem but could be wrong. I also use it for cleaning my air cleaners.
Maxell and a few others sell a lens cleaning disk for about $20.00 probably available at Best Buy or similar store. The disk has a fine brush attached. You insert the disk as a normal CD, then run it for about 20 seconds. Cheap, simple, safe and it works.
Sony state quite clearly to their technicians in the two SACD Service Manuals I have (SCD-C333ES, SCD-XA777ES) that the only acceptable method is compressed air.
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