I have AKAI DVD Player P5570SLK. Two days before it was showing a message "No Disc' after inserting the disc. I had tried several discs including originals but was not functioning.
After opening the cover of the player with power on, a screw accidently fall on the highlighted portion of the attached power supply image. There was a spark and the fuse (1A , 250V) was blown. Since there is no spare fuse is available with me now, I tried to short the fuse terminals with a thin wire. But there is no power supply on the disply or on the mechanism.
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Re: AKAI DVD PLAYER FIXING
Hello NOUSHADK, I have good news and bad news for you. I'll give you the good news first. You know that new DVD player you have been wanting but never could buy because you already had a DVD player? Well, let's just say that you don't have that problem any more. When you dropped that screw on that resistor, you not only caused the fuse to blow, but you took out a few other components with it. This type of power supply is called a switching power supply because it takes AC voltage and then converts that AC voltage to DC voltage to power part of the circuits in the DVD player, then it takes some of the DC voltage produced and uses it to power an oscillator which provides a switching action for a Power MOSFET which is used to drive a switching transformer and then that voltage is converted into DC voltage for the other circuits not powered by the first power supply. Now this creates a problem, because when these types of power supplies blow out they take a lot of components (active and passive) with the blown out component. Now for the bad news. These types of supplies are very seldom repairable, not because you can't find the parts and not because you cant find the layout, but usually because the parts are hard to find, in the case of the MOSFETs, the Switching Oscillator, and other active components. Also, the schematics for these devices are not to be found anywhere even by locating the manufacture. This is because most of these units are put together in Taiwan or in Bangkok and then branded by a company, meaning the company whose name is on the unit is not the company who manufactured the unit. So schematics and service diagrams are usually not to be found. I know this may not help you, but you can try to find the Power supply manufacture by using google, and getting them to send you a new board, or you can try to repair the board yourself, but remember you will have to hunt down at least 3 bad active components and a number of bad passive components. Thank you, Shuttle83
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It would more likely be the types of discs used. They are either of a region code not compatible with the player, contain foreign/unknown data, or they are unsupported formats. For example, if the player supports DVD-R playback, and you put a DVD-RW in, the player will generate 'wrong disc' message if the player cannot recognise the disc or the contents on it.
The disc formats/types that can be played should be outlined either on the unit itself or in the instruction manual (if you still have it). If the player shows that message even with genuine shop-bought DVDs then there is a defect within the unit, workshop attention may be required to fix it, but it could be costly.
'WRONG DISC' usually means the disc inserted is of a different region code to the player, or the wrong format (DVD-RW instead of DVD-R as exampled above). Try using different discs before going any further.
Electronics Corporation sells inexpensive DVD players. The DVD players, however, often exhibit problems due to their manufacture and way that they work, which must be dealt with during the course of the player's life. Knowing what these problems are beforehand can aid in resolving difficulties when using the DVD player. In some cases, it can help eliminate the problem before it can become catastrophic
The disc door is not properly closed if the Disc player display shows an "Open" error message. Check that there are no gaps in the door and use the remote to open the disc door. If it will not open, unplug the Disc player and gently pull out the disc door and then push it in. Plug the Disc player back into the AC socket.
If the DVD has not been inserted properly into the disc tray, a "No Disc" error message will come up on the display. Eject the disc and lightly flick off dust using the edge of a lintless cloth. Inspect the disc for damage. Insert it carefully again into the disc tray and use the remote to close the disc door.
Because the Disk player is inexpensive, the power supply is not of the highest quality. Having a surge protector to plug into the Disc player will help to keep the power supply from being damaged over the course of its lifetime.
The reason the player is not reading the disc and showing no disc is either because the disc is not sitting properly on the lens from the disc tray, or the lens is weak or the lens is dirty.
To test if it is the disc tray, open the cover of the player with the appropriate screwdriver, place a disc directly on the tray and apply a little pressure on the tray, if it reads the disc, then it is the tray.
All you have to do is to adjust the disc tray and screw it tightly.
To test if the lens is weak, try several DVD disc on it,and test them also on another tested ok player, if it does not work on your player and works on other players, then the lens is weak.
to fix this, get the appropriate screwdriver, open the cover and unscrew the disc tray.
You will gain access to the lens, carefully disconnect the lens and replace it with a new lens. then it will be ok.
To test if it is just that the lens is dirty, clean the lens with a lens cleaner and test a DVD to see if it will work.
Follow this procedure to troubleshoot if the DVD player cannot read or play the inserted disc.
Ensure the inserted disc is compatible with the DVD player.IMPORTANT: Refer to the operating instructions supplied with the product for a list of compatible disc. Manuals are available online in the Manuals/Specs/Warranty section of the Sony® eSupport Web site.
Use a soft cloth to clean the disc.
Examine the disc for any cracks or scratches that might be interfering with playback.
Attempt to play another disc.NOTES:
If another disc plays in the DVD player, then the previous disc is faulty.
Some recordable discs may not play correctly because of the quality of the recording, the physical condition of the disc, or the characteristics of the recording device or authoring software used.
Remove the disc from the DVD player.
Turn off the DVD player.
Unplug the power cord of the DVD player from the AC outlet.
Let the DVD player remain without power for 1 minute.
Plug the power cord back into the AC outlet.
Turn on the DVD player.
Insert the disc into the DVD player.
Attempt to play the disc.
If still persists, its time for your device to get serviced.