The plastic casing around the screen broke open, but the player still works. Is there any danger as far as radiation/laser exposer to leave it the way it is? Is there any danger in unscrewing the casing around the screen to put it back together?
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Re: Broken screen casing
LCD displays do not emit any radiation. This is the same as LCDs that are used on laptops and on LCD High Definition TVs but these are much larger screens.
LCD are liquid crystal display just like the display on your digital watch, but it uses three lots of color crystals (red, blue & green)where as the digital watch uses one black crystal. The DVD player also a backlight panel to provide light behind the liquid crystals so you can see the movie images.
There is no danger in unscrewing the case etc, just don't have it turned on when you do this, because you may cause an electrical short to some components, even if you do it won't harm you (the elecrical voltage is too low) but it is enough to possibly damage the unit.
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First of all if you are experiencing blank copies and or prints the best thing to do is try a different toner cartridge. In rare cases the black copies/prints CAN be caused by a defective cartridge. In MOST cases it is caused by a broken or detatched laser shutter lever or arm. When a toner cartridge is inserted and the door closed, a small plastic arm opens the laser shutter. If this arm is broken or has become disconnected then the shutter is not opened. This blocks the laser from writing the copy or print image onto the drum and this results in no print being applied to the paper. If the arm is broken you CAN open the laser shutter manually and block it open. What you need to do it open the cartridge access door, remove the cartridge and look for a 1/2 inch wide slot running from left to right in the metal frame that is in the back upper section where the cartridge goes. The plastic arm that operates the black plastic shutter is on the right side. If broken you can manually lift up the shutter and "block" it open using something like a folded up scrap of paper. I know it sounds strange but I have used this repair on several of my customers machines and they have all worked fine since. If you can not find or effect the repair yourself at least you will know where to point the service person when they come out to look at it.
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I have had the same problem with Playstation2 and with DVD Players. I found that the DVD laser head is either blocked by dirt (TRY USING A DVD LASER HEAD CLEANER DISC FIRST) Or by a small square frame that just snaps above the laser eye (THIS GETS KNOCKED OFF BY SOME DVD DISC CLEANERS) it happened to me.Worse case scenario, Laser head is Defective. If youstillhave a warranty with the place of purchase, I would take it back.
I have repaired different units with out tacking them back to the store with success. But, if you don't know what you are doing I would not try to fix it yourself. (TheLASER CAN AND WILL HURT YOU!!!) (DANGER) DO NOT TURN UNIT ON WHILE LASER IS EXPOSED!(DANGER) (LASER RADIATIONWARNING !) IFyou do decide to try and fix it yourself, be sure to UNPLUG the UNIT FIRST. Be vary careful when removing the outer case to make sure buttons and wire tape do not fallout or tare. Watch closely how everything comes apart so that you can put it back together correctly. I found if you lay them out in order of removal it is easier to reassemble in reverse order. Again this is not recommended to attempt without knowledge of electronics and how they work. (DANGER) DO NOT TURN UNIT ON WHILE LASER IS EXPOSED!(DANGER) (LASER RADIATIONWARNING !)
Sounds like part of the peg broke off and is left inside the recepter
slot area where the sensor switch is. If it is the lower door plastic
hook thing (inside bottom) that broke off, it is possible to re-attatch
it to the door if you save the broken piece. Drill a small hole the
size of a small wire or nail you have lying around to make a splint -
Cut the nail or wire to about 1/2" to use it as a hidden "bone" or
skeletal support inside the broken plastic. Glue the nail half way into
the broken plastic using modelers glue. Closely align the nail peg to
where the plastic broke off and mark it for drilling. Drill carefully
making sure you are centered so that your wire "bone" will allow proper
alignment of your plastic. Insert the pinned piece into the newly
drilled hole checking for alignment, if it looks close enough you can
glue it in place and you should have a strong enough repair. Dangerous
to use a wooden peg to fool the internal switch. As it will be running
even when the door is open and you don't want to get zapped.
Sounds like part of the peg broke off and is left inside the recepter slot area where the sensor switch is. If it is the lower door plastic hook thing (inside bottom) that broke off, it is possible to re-attatch it to the door if you save the broken piece. Drill a small hole the size of a small wire or nail you have lying around to make a splint - Cut the nail or wire to about 1/2" to use it as a hidden "bone" or skeletal support inside the broken plastic. Glue the nail half way into the broken plastic using modelers glue. Closely align the nail peg to where the plastic broke off and mark it for drilling. Drill carefully making sure you are centered so that your wire "bone" will allow proper alignment of your plastic. Insert the pinned piece into the newly drilled hole checking for alignment, if it looks close enough you can glue it in place and you should have a strong enough repair. Dangerous to use a wooden peg to fool the internal switch. As it will be running even when the door is open and you don't want to get zapped.
If the part is stuck inside the iPod you can take the case apart quite easily and remove the broken part. If this is not the issue and I am way off please do let me know :)
Top Case Removal Begin by using a flat tool to separate the white plastic front case from the silver backcase. You will need to stick your flat tool into the crevice, work it down into the crevice,and then pry up so that the casing separates. Apply enough pressure so that your flat tooldoes not slip and scratch your iPod!Continue separating the casing by gently prying up all the way around the unit. It shouldbe much easier to pry the casing apart after you get the initial corner started.
Unit needs to be returned for service under warranty. If not under warranty. You Must open the unit by removing all the screws on the bottom of the unit and use a small plastic pry bar to open the case around the space where the volume control is.slide the pry bar all around the case to open it.Becareful not to lose any of the switch cover that may fall off as you open the case. You must replace these covers exactly to operate the unit once reassembled. Check all rubber bumpers for hidden screws before trying to open the case. you must unlock the plastic locking mechanism all around the case. Then take apart the laser and motor assembly and disconnect all the wire straps and ribbon cables. Clean all these connectors with a contact cleaner by apply it to a cotton swab and cleaning. Try cleaning the laser with a cotton swab and Isopropyl alcohol. Put small amount of alcohol on swab and gently clean laser lens, Check transport for dirt and try cleaning the travel rails of the laser to remove dirt and grease and reapply a small amount of lithium grease to a swab . Lube the rails and ratching mechanism. Do all this with the utmost case, do not use to much grease or you will cause more problems..Use light gloves. do all the work with the cotton swabs. Check disc spindle and see if it is loose, if it is use a drop of super glue to to tighten the grip of the spindle to the motor shaft.Reassemble unit and put together in case put all screws back in unit and test unit on a level non vibrating surface. Use a clear disc from CD cases to check and see if laser is turning on and attempting to track normally. If this does not work attempt to polish laser head with soft foam material and non abrasive high gloss mirror or glass polish very carefully try to make the laser clear and shiney. Do not work to fast and do not push to hard on the laser or you will ruin the alignment.Slowly try to clear the lens of all discoloration.If all this fails try to buy a new laser mechanism from e-bay and replace your old one. Hope this helps you with your problem.
There are 2 errors, ho3 and ho2, I can't remember which one is which. One means the laser is going and one means it's a dirty track. I suggest you first very gently clean the lens. If that doesn't work you take apart the player and clean the whole track that the laser moves on along with everything around it (keeping in mind that the laser is fragile). If that doesn't work than I can't help anymore without seeing it.