Question about Sony DVP-NC655P Multi-disc DVD Player
Hi, Player accepts discs, tray opens and closes with no problems. However, player will not play discs. When the tray enters the machine, it emits a number of strange sounds. There is an out of the ordinary hum, overlayed by a plastic scratching noise, lasting perhaps two or three seconds. The hum stops, then starts up again, but then the hum and scratching, while still overlaying each other and perfectly synchronous, become intermittent, as if something inside the machine were trying to focus, or adjust its position. This cycle continues for about half a minute, then the unit searches for another disc (it is a five-disc changer), and whether there are more discs loaded or not, the unit returns "NO DISC" in the display window, and none of the disc numbers in the upper left corner of the player are lit up. Oh, and when the unit is going from one tray to another in order, a high pitched squeal can be heard from the machine. When it reverses direction (i.e. when the "disc skip" button on the remote control is pressed four times and the tray travels in the opposite direction) there is no squeal. Any assistance would be greatly appreciated. Thanks. Nick
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Posted on Mar 03, 2017
Tray timing is out of alignment, probably from tray being forced open or closed. Removed cover, removed screw from center of CD turntable, removed two metal clips holding sliding tray down on left side. I ejected tray assembly first and shut off power and unplugged unit lifted left side of tray and experimented with black gear that controls the lifting of disc and the ejecting and retracting of tray. Tried to adjust it to the ejected position as best as possible then powered up and retracted. Next power down and upplugged. Inserted a cd anywhere, note slot # plugged in unit turned on power. Watched disc indicator led's to calibrate with slot if the numbers don't match up, power down, lift up disc turntable to disengage from gear drive near center post and turn to align disc with laser and disc pickup and drive assembly. If tray is not in correct position too align with disc pickup and laser reader assembly lift left side of tray andmove on gear to addjust.
Posted on Aug 29, 2009
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