Question about Audio Players & Recorders
Where can i get a compact mother board for Aiwa stereo receiver?
Posted by Anonymous on
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Posted on Jan 02, 2017
see if the player tries to read the disc. Load a disc and listen.
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 i have attached.
Posted on Jun 24, 2008
SOURCE: I have Model No. XR-M200U
Hi - You can download the manual from the link underlined in blue below:
Take a look at page 4:
You need to press on the tab to the right hand side (looking at the back) this will release the wire which should easily pull out.
To replace just push the tab again & insert the wire.
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Posted on Aug 26, 2008
If I remember this model correctly, there is only 1 direct input. The remainder of the inputs are bufferred through a switching IC. It is likely that this IC is defective. Are there any other symptoms at all?
Posted on Mar 13, 2009
SOURCE: Hello, sorry for my english,
Try searching somewhere like DiploDocs . com website for a service manual. It seems to me you know what you are doing, all you need is a service manual :-)
Best Of Luck
Posted on Sep 03, 2010
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