NAD-T550-cd-si1(1) 维修电路原理图.pdf

Service Information T550Disc CompatibilityThere have been some reported problems with the T550, related to theplayability of certain DVD-Video discs. While more than 99% of DVDs willplay without any problem, you may find the odd disc that exhibits less thanperfect playback behaviour due to its advanced content. This is not unique toNAD , but is common with early DVD players. Newer discs have additionalfeatures that may be misinterpreted by the firmware loaded into your T550 atthe time of manufacture. Often, stopping and restarting your T550 willcorrect the problem. This is analogous to “rebooting” your computer, and thisis a good analogy because the T550 (like all DVD players) is a computer,albeit one with a singular function.In the past we have sometimes been able to revise the firmware toimprove the playability of more recent problem discs. We have now reachedthe limit for updates in this particular chip architecture. There are no furtherimprovements that can be made to this player. It is a bit like trying to runMicrosoft Windows XP on a Pentium 1 equipped PC, the hardware platformsimply cannot keep up with the demands of the newer software.We are sorry if you are experiencing any problems, and regret thatthere is no available solution.NAD Electronics InternationalContact:NAD Electronics International633 Granite CourtPickering, ON Canada L1K 3K1Voice: 905-831-0799 FAX 905-837-6357 RadioFans.CN 收音机爱 好者资料库