Electronic circuit, componnent data, lesson and etc….: DVD Troubleshooting Information part2

DVD Troubleshooting Information part2


The disc will not begin playing
The rating of the title on the disc exceeds the rating limit set in the ratings limits when you press play. Unlock the player or change the rating limit in those menus.
No forward or reverse scan
1 Some discs have sections that prohibit rapid scanning or title and chapter skip.
2 This part of most movie discs is programmed to prohibit skipping through them.

Desired angle cannot be changed
Some discs do not have the multicamera angle system, and some discs have it only in certain parts of the movie.
Picture is too tall and thin
Change the aspect ratio using the TV image settings in the display menu.
Picture is too short and wide
Change the aspect ratio using the TV image settings in the display menu.
Forgotten password bypass
Some DVD players are equipped with a “backdoor” unlock sequence. Press and hold the stop button on the front of the DVD player and the stop button on the remote control unit at the same time. Now, hold both buttons down at the same time for at least 3 seconds.
Cannot copy discs to videotape (VCR)
You cannot record DVD discs onto videocassettes because the discs are encoded with anticopy protection.
Disc tray will not open
Disengage the retail lock feature. Press and hold a combination of buttons on the front panel at the same time. Press and hold skip, eject, and TS surround for at least 3 seconds. The tray should now open unless it’s jammed or has motor problems.
Disc will not eject
When you put a disc into the player, the player may take up to 15 seconds to read the disc. You will not be able to eject the disc during this time. Wait 15 or more seconds and try to eject again.
No video or audio
1 Check for a dirty turning mirror. Clean the mirror.
2 Dirty or scratched lens. Clean the lens or replace.
3 For intermittent audio or video, check and clean the flat cable and connectors or replace the cables if defective.
Laser beam will not track properly May have a defective focus actuator. Replace the actuator if cleaning or the adjustment will not correct the problem.

Door will not open and/or disc will not load
1 Dirty mechanism or broken or worn gears. Clean the slide assembly or replace the drive assembly.
2 Dirty drawer switch. Clean the switch assembly.
3 Shorted motor assembly. Replace the loading motor.
Disc has erratic speed Dirty or dry spindle. Clean and lubricate spindle.
Laser beam will not track properly
1 Dirty or dry spindle. Clean the sled assembly.
2 Motor may be defective. Replace the motor.

0 comments:

Post a Comment

Related Posts Plugin for WordPress, Blogger...