Question about Koss KS4110 DVD Player

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Battery not charging screen blank n when power on

I have a koss portable dvd player and the battery does not appear to be taking the charge even when plugged in for more than 2 hrs, screen remains blank (Dark)

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  • 464 Answers

Check the connectivity of the charger using a multimeter. if there is anything wrong in it, you might have to open up and replace the wire in the charger. if the connectivity in the charger has no problem, then try replacing your batteries

Posted on May 28, 2009

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Posted on Jan 02, 2017

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My portable rca dvd player will only keep a charge when plugged in


-Battery is too old. All charge able battery last only 2-3 year or maybe even less than that depend on how you use.
-If just a little low and keep charging then it life is short.
-If let it fully empty (dead) before charge the it last longer.

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My Mintek portable DVD player's battery will not charge. I have rarely used the battery so I can't believe the battery is dead. The AC cord works to power it when plugged in. Why won't it...


After a while even rechargeable batteries loose the ability to hold a charge. This process accelerates when the battery is allowed to lie completely discharged for long periods of time. NiCad batteries especially have this issue. If you left the battery sitting for long periods without occasionally charging it, it losses the ability to hold a charge. It appears you are going to have to either do without the battery or replace the pack. I would take out the old one, it will eventually start to corrode and leak and if its still in your machine it will cause damage. If you get a new battery pack make sure you charge it fully and then depleat it completely before recharging it. hope this helps.

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Yea mine wont charge right i put the charger on it the green thing wont charge up so do i have to buy a new charger or what? please and thank you


U plug in the a/c power charger for the portable DVD player have power and work?Yes,than the litium battery is dead.Take out of the a/c charger like 4 or 6 hrs later dvd player have any battery power at all?No?Tries websites like Amazon.com,Ebay.com to buy a new litium battery or a compatible one for the replacement.

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My portable coby dvd player wont play with its rechargeable battery after bein charged, the light was blinking and now green but when i take off the adapter and leave the battery it wont turn on?what do i...


Take out the litium battery.Plug in the charger adaptor alone to get power,see if the portable DVD player work.Yes,than the litium battery is dead,not taking in any charges.Tries websites like Partstore.com,Amazon.com,Ebay.com to buy a new exact litium battery or a compatible litium battery.

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Portable DVD player has blank screen when turned on


I don't think it is worth the money to repair dvd players. Unless it is an expensive kind. If it is a little over a hundred bucks it is not worth it. Since the technician will charge you about it's worth or even more. Before assuming it has a problem, check the connections. Try changing the wires that is connected to the back. Also make sure that the television is selected to it's right input, AV1 AV2 AV3 HDMI etc.

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My Portable DVD Player Battery can't hold a charge


Rechargeable batteries can only be recharged so many times. They begin to slowly lose their capacity after about the first 5 charges until ultimately it won't hold a charge anymore. It appears that this is your problem. Look for a model number on the battery & do a Google search for it if you want to try & replace it. You might also find it is cheaper to buy a whole new DVD player than it is to buy a replacement battery.

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Battery Charging


Perhaps one of the contact pins are slightly bent, best to remove the power lead from the wall, grab a magnifying glass ... and have a closer look.

A bent pin will appear to be out of line with the others.

The connector may also be worn in such a way that it will not make contact... no matter which way hold your tongue. :)
Take extra care when straightening the pin or pins.

Also a worn connector can build up a type of scum on the surface of the pin or pins, otherwise known as oxisidisation and corrosion or in simple terms ... RUST !
Carefully clean the pins with a Q tip dipped in methylated spirits and allow 5-10 minutes to dry, before reconnecting the charger to the DVD player.

The other possibility remains that the battery or charger may also be past it's used by date and may need to be replaced.

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Koss 8.4 inch, Model No. KS5846-2


"it constantly stops and starts"while you are in the car(DVD"s fitted in your car)? If so, fit it with a shockproof like rubber.If the dvd is not fitted in a car then check the lens.  

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