Panasonic DMP-BD85EB Service Manual page 36

10.2.8. How to Clean up the Turntable
When "NoREAD" is displayed in FL display, clean up the Turntable according to the following steps.
1. Blow the dust from the Turntable in the blower.
(Do not strongly blow it.)
2. Put one drop of isopropyl or ethyl alcohol to clean cotton swab.
(Using a fresh cotton swab does not use chemicals or additives.)
3. Using the cotton swab, wipe out the dust on the Turntable.
(Be careful not touching the surface of Turntable directly.)
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