Question about Onkyo DR90
Posted by Anonymous on
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Posted on Jan 02, 2017
Onkyo units as well as several other manufacturers have a common problem where the spindle motor gets intermittant or wont come up to speed.Its not hard to replace this motor, but could be a trick to adjust the platter height. Also the unit probably needs a servo alighnment as well. This unit could also have a simple problem as a dirty laser lens. You can try to use a disc lens cleaner to see if that helps. Good Luck
Posted on Jun 24, 2006
Yes, it may be a mechanical misalignment. You may be able to find a way to readjust the tray, etc., but probably the focusing of the laser diode needs reset. For a dvd player this old, you are lucky to the extreme that it still works at all.
Any dvd player over two years of age that needs major repair should be replaced as the cost of repairs will be greater than the cost of a new set! Sad but true. You will not be able to get the focus adjustment done for less than $50!
So, my strong advice is to get a new dvd player.
FEW TROUBLESHOOTING STEPS YOU CAN TRY:
Does the player make squealing noises or is it totally quiet? Squealing noises may indicate that the player is trying to synchronize with the disc but can't due to an obstruction on the lens or in the laser path inside the pickup or a defect in the pickup. This can also be caused by an intermittent signal problem due to a faulty ribbon cable.
Totally silent means that the photo sensor is not getting any usable input from the laser at all, meaning that the pickup is "blind" for lack of a better word.
This can be caused by an obstruction of the beam by foreign matter on the lens or inside the pickup all the way to a marginal or failed laser diode and/or photosensor array. This can also be caused by a bad ribbon cable with one or more severed traces.
You could try to clean the optics. This is the most common malfunction as far as i know in all disc players. It would involve taking the cover off and finding a way to expose the lense, and then cleaning it with a very gentle brush. some players have a cover for the lense that swings to the side during playing, this greatly reduces the chance of dust accumulating, but its still worth the try.
If you actually see dust on the lense, then its just that simple. clean, close, play.
It may also be worth your while to check on the small shafting that guides the carriage of the laser pickup. Dirt, grome, dust and solidified lubricant can cause stoppage of the carriage and the laser eye then fails to read the next track. Please refer to the image below.
Please don't forget to rate the solution.
Posted on Mar 29, 2008
SOURCE: Onkyo TX-SR575 I
The unit is in protect mode. The outputs are fried in all likelyhood. This can be repaired. Figure on $5-$15 for parts plus the local labor rate for the total repair cost.
Posted on May 21, 2008
Not sure I can solve, but maybe help. I am having a similiar problem. However, make sure you Analog Audio (RCA type) cable are connected even if using Digital connection between the two. They use those cable to send the Commands (Mentioned in the documentation).
If you did get yours to work, please give me a hint... I upgraded mine from a 603 to a 701 and haven't been able to get it to work since.
Posted on Feb 14, 2009
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