Sony DAV-DZ171 Operating Instructions Manual page 69

Symptom
"LOCKED" appears and a disc
cannot be ejected.
"DATA ERROR" appears.
"READING" is displayed for a
long time while playing.
Problems and solutions
• Contact your Sony dealer or local authorized Sony service facility.
• The file you want to play is broken.
• The file format does not match the extension of the file name. See "Playable
Discs/Files on a USB Device" (page 6).
• The JPEG image file format does not conform to DCF.
• The reading process can take a long time if:
– there are many folders or files on the USB device.
– the folder or file organization structure is very complex.
– the memory capacity is very large.
– the internal memory is fragmented.
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