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Coby TFDVD5000 Portable DVD Player - Page 8 Questions & Answers
My disc tray does not open. I hear a continuous humming sound.
If you look very closely on the front off your disc try you should see a very small eject hole insert the end of a straightened paper clip into the manual eject hole on the front of the drive and push the clip inside the try should open.make sure you dont push to hard just enough to open it.
iF IT DOES NOT HAVE ONE YOU MAY HAVE TO OPEN IT UP AND SEE WHAT THE PROBLEM COULD BE.
My coby tv does not work. no sound no picture. it is a coby tftlcd2425
Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
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