Question about Denon Audio Players & Recorders
My cd player denon model 7.5E is erroneously connected with power supply of 220 volt a.c ispite of 100 volt a.c now the transformer is burnt but only 100 volt winding burnt . now i want to to replace it can i replace it here in pakistan witha transformer having in primary 220 volt and in secondry i does not know how many volt be required to operate the syestem if you help me intelling that how much volt and current required for operation of this player. this player
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Posted on Jan 02, 2017
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
Off the power, and plug off the switch, and try opening it manually. DO NOT force open it. I don't think it would close back since it has no electricity already.
Posted on Oct 14, 2009
If you're lucky you'll have just blown the internal fuse.
You need to remove the cover and look for the little glass fuse on the PCB where the power cord comes in. If it has blown then look at the metal cap on the end of the fuse and is should tell you what rating it is (2A etc). You should also check to see if any other components appear damaged before replacing the fuse.
Posted on May 03, 2011
I have had a similar problem with my Denon DCD-520, the laser current needed adjusting with a watchmakers screw driver, try turning it a quarter clockwise turn and see if the problem is fixed.
Posted on Aug 17, 2012
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