Hi everyone, I've been seeing a lot of people having problems with this DVDR. I've taken a look at a few and the components of the power supply are at fault. This poor design leads to many malfunctions like: DVD tray won't open, Squealing or winy noises when turned on, Power won't come on, Screen freezes, Screen turns different colors, DVD NO BURNS, No disc errors, plus more.
I've made a webpage explaining how to fix the power supply your self.
If yours is working get it away from the heat, like other VCRs or Top of TV this little thing can't handle much heat.
Check the capacitors on the power supply board to see if any one has begun to blow-up (the top is pushed up). My unit had 2200uf at c20 position starting to go bad. Unit would keep clock time but push the On button the unit would say Hello but would then not return No Disk but rather lock-up. Hope this helps.
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Hello Just check its backlight inverter board for any shorted components in it. Then check further. This is a common fault to most of the Samsung LCDs which I've faced. The symptome will be the same as you say. Disconnect the supply line to backlight inverter and see whether there is any click sound heard. If not, make sure that backlight inverter board is faulty, and slhould be replaced with same type and number. If there is stll click sound, main board is fauty. OK.
Probably the very common failure of the main power supply or one of its outputs. The power supply board is normally easy to identify; it will be a smaller board but with larger parts on it and is normally plug-connected so shouldn't require soldering at all.
Panasonic may have new stock or repaired supplies on an exchange basis; call them.
The failure mode is mostly caused by the failure of a few cheap components which can be found by any tech owning an RCL meter with loss readouts.
I've repaired many hundreds of this type of supply for a dollar or two in parts and not a whole lot of time. It was a nice sideline while I still did this kind of work.
This sounds like a power supply problem. If it works after is sits or cools, check at the power supply for bad or disturbed solder connections, a lot of time if you look at the circuit board where the component comes through you will see a small ring in the middle of the solder.
It is probably in "lower power mode". First try hitting enter a couple times and moving the mouse.
If that doesn't do anything try unplugging the power cord for a couple of seconds and plugging it back in.
If neither of those work the next steps will involve opening the computer (only do this if you're familiar enough).
First unplug the PC before all of these steps...
Open the PC and check to be sure the RAM sticks are securely seated.
Try taking the CMOS battery out for a few seconds then putting it back in. The CMOS battery will be onthe motherbard. It is a small silver coin-shaped battery sometimes used in watches and cameras and other gadgets. Be sure to put it back in the same way it was when you took it out.
If none of that worked check to be sure any other components are firmly seated in their slots.
If none of this has worked I would say call dell support to see what they say.
I live in Canada.
Personally I do not think many service techs do this type of component level repair.I would suggest to ask around and see if someone can fix it.
If you decide to send the power supply for repair, let me know.
This could be a battery problem. Remove the battery and start on the power supply only. If this doesn't work, then check the power supply with an ohm meter to see if it's getting the proper output to the machine. If the supply checks good, then I'm afraid that you have a problem component on the motherboard, and will need to have it professionally diagnosed in order to track down the exact problem component.