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Hello. The 'control pad' on your JumpStart unit is defective. There are 'sensitive' circuits behind the cover. I don't see anything you can do to 'fix' the problem without damaging your unit. Good luck and keep me informed; if you want to.
Check and replace the damaged component/s at its audio output stage circuit. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Circuit diagrams of many popular brand TVs and other devices are given.
not sure how long you have had this, but if the unit was completely turned off or battery completely dead, you have to hold the power button for about 15 seconds for the 3000t to start up...assuming the charge light at the top right is orange (that means its charging) no light means its not charging, green light means fully charged. if there is no power light on at the top right of unit, either the charger is bad or the port on the board is bad (which i do have) good luck and hope this helps. bill
My unit was accidentally dropped. However, my problem is similar to the first one: the player won't turn on, it's as if there is no power to it at all. I've checked the things that were suggested in the last post, but to no avail. Is there even any hope for this product?