Question about Audio Players & Recorders
I have an old Kenwood DP-860 CD player. It will not power up. I removed the back and I found voltage through the switch and to the transformer. I do not see a fuse. On the other side of the transformer there is a multi wire connector. I see voltage but I have no schematic to follow. Maybe it is something easy. Thanks for the help...
Hello there. i'll suggest you one quick solution but it maybe dangerous!(Do it the greek way :P) try to remove the transformer from the machine. Take one Ohm meter and measure the resistance of the 120 vac coil. IF THERE IS NOT ANY (i mean that the ohm meter shows nothing diferent than not using it) get a paper blade and start removing the paper cover that it has rounded from the place where the 120 vac wires goes. you will see there that there is a mini thermal fuse.short circuit the thermal fuse and try to measure again the resistance of the 120 vac coil. if you see something between 40 and 80 ohms you are ok. Now that you haven't got any thermal fuse on your transformer just increase your security putting on a 300 mA fuse at the 120vac coil. I have done it with many hard to find transformers and it worked for me.Just be sure that when you plug it on, you will not touch it because i don't know if you are gonna do it right.ok? (say ok!) That was the second solution to your problem. The first and the safest is to go to your local dealer and order a new transformer.
Posted on Aug 10, 2007
SOURCE: power transformer problem
You need the service manual for those values. A quick google search shows it costs more than the replacement transformer! http://www.google.co.uk/search?hl=en&q=XG539A00+&meta=
But that is for the 110v version @$21. The same company sells the service manual @$24 or just keep googling.
Posted on Jan 25, 2008
If for some reason you would opt for user performed action, then pls try:
1. reset, unplug from the mains for at least an hour and try again;
2. check if there is a slide switch of some sort at the rear of the unit;
3. check if there may be a pinhole somewhere along the bottom of the loading tray where a blunted point safety pin maybe inserted;
4. open the top cover and manually eject the tray;
5. check internally if there is a mechanical problem such as a slipping/cut belt, gears that do not mesh correctly;
6. if the unit has been in use for some time, it may simply need cleaning and re-application of lubricant in the mechanical assembly.
The slider mechanism, depending on the age of the unit and , consists of the small chrome rail, a drive motor, a small gear assembly, and (in some units) a small belt that drives the slider unit via the motor. This small belt causes all sorts of problems. If the belt is broken or slipping, it can cause skipping, dropouts, or simply no start up at all. Also, if the belt breaks in the middle of the disc, the drive mechanism gets hair or dirt wrapped up into the gears, or the pick-up assembly doesn’t return to the start position (called home), the unit will (99% of the time) refuse to release the disc, causing it to become stuck inside the unit. There’s a little micro or leaf type switch located at home position that sometimes gets dirty or breaks and, causing this problem also.
DON'T FORGET TO RATE;
Posted on Aug 25, 2008
i supect all it is, is dirt on the laser , but un plug it leave it like that for a while and then plug it back in i doubt it is confused as what you are describing is a dity laser symptom, donot buy a laser cleaner, but clean the laser wih a coton bud or cue tip with no liquids, it is a small glass eye,just twist bud on top, unplug fist laser can damage vision. pleqase leave feedback
Posted on Jul 20, 2009
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