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The first is a miniature DC motor (using brushes) very similar to theĬommon motors in toys and other battery operated devices. Platform is a press fit onto the spindle motor.
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* Spindle motor - The motor that spins the disc. If spindle not part of motor but is belt driven, loose spindle. Which is machined to automatically center it and minimize runout and wobble.Ĭommon problems: Dirt on table surface, bent spindle, dry or worn bearings Less interchangeably) - When the disc is loaded, it rests on this platform * Spindle, spindle table, or spindle platter, we will use these names more or Shorted, have shorted or open windings, or have a dry or worn bearing. The drawer switch may be dirtyĬausing the drawer to decide on its own to close. Such as worn/fractured gears or broken parts. However, someĬommon problems: loose or oily belt causing drawer to not open or close,
#Cd rom reader lens part portable#
* Loading drawer - Most portable and many lower cost CD players or CDROMĭrives lack this convenience. " Typical optical decks" for photos of some common models. The optical pickup, and its positioning mechanism. This subsystem includes all of the components to load and spin the disc, Turn anything unless you are sure of what you are doing - and then onlyĪfter merking their original positions precisely. In many cases they are clearly marked but not always. Most servo adjustment pots will be located This contains the microcomputer controller, servos, readback electronics,Īudio D/A(s) and filters. However, someĭesigns use a variety of voltages for various portions of the analog (mainly) Pair of voltages for the analog circuitry (e.g., +/- 15V). Usually, at least three voltages are needed: logic power (e.g.
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Mount components), and difficult to troubleshoot and repair. Switching supplies, possibly sealed in a shielded can (or at least all surface In component stereos units, there are normally linear supplies and thus very You peak inside your shiny new CDROM drive, you may see parts that differĬonsiderably from those in a old Discman. Sophisticated than those needed for 1X speed CD audio. The optical pickups remain similar but the data processingĪnd servo systems needed to support 16X speed CDROM technology are much more While CD players and CDROM drives started out and still have much in common, 6.7) Classification of CD player problemsĬhapter 6) CD Player and CDROM Drive Fundamentals.6.1) Parts of a CD player or CDROM drive.Chapter 6) CD Player and CDROM Drive Fundamentals.But as you can guess none of those steps helped me, hence creation of this post.Notes on the Troubleshooting and Repair of Compact Disc Players and CDROM Drives Those helped a lot of people (try those first if you are having the same issue). I've gotten these above steps from the following posts: And yes, I already ran the Hardware Troubleshooter.In Device Manager, scanned for new hardware.There is nothing else there - no ATA Channel 0 or ATA Channel 1 (things that have been suggested to be deleted on other posts regarding this issue). Intel 6th Generation Core Processor Family Platform I/O SATA AHCI controller. In Device Manager, expanded IDE ATA/ATAPI Controllers.It never got detected or installed after a reboot - it's gone now, cannot see it anymore. In Device Manager, clicked View->Show Hidden Objects, expanded theĭVD/CDROM Devices and uninstalled my DVD drive from the list.Added Controller0 key under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi\ and added a DWORDĮnumDevice1 with value 1, and rebooted the laptop.LowerFilters & UpperFilters strings removed from under registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ and rebooted the laptop.The cd/dvd drive is detected in the BIOS - can even boot with another bootable DVD. I know this has been asked in the community many times already by others, and i have tried all of those fixes.