Question about Samsung HT-DB120 System

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NTE580 Hi, I live in the UK and I have a broken rectifier on my SMPS board in my dvd player - My UK component suppliers don't stock this rectifier and they will charge me a fortune to get it in for me. My question is this, do you know of a US supplier that ships to the UK or do you know where else I could get it from? Component is: NTE 580 Rectifier or does anyone what the UK equivalent would be...! Thanks

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Surely you can find an NTE580 equivilant in the UK. This is just a 600v 3a silicon diode. I would think you could find a substitute for this at any electronic part supplier in the UK. The NTE numbering system is the same as the ECG system and everyone subs by these numbering systems. Good luck.

Posted on Jun 12, 2008

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Posted on Jan 02, 2017

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First of all you have to check the SMPS ( switch mode power supply). you have to check the voltages at it secondary stage. 5v, 12v, etc
switched-mode power supply (switching-mode power supply, SMPS, or simply switcher) is an electronic power supply that incorporates a switching regulator in order to be highly efficient in the conversion of electrical power. Like other types of power supplies, an SMPS transfers power from a source like the electrical power grid to a load (e.g., a personal computer) while converting voltage and current characteristics. An SMPS is usually employed to efficiently provide a regulated output voltage, typically at a level different from the input voltage
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Added the inside view of BD 1600
ajin_g_45.gif

if there is no outputs from the smps then you have to replace the SMPS drive STR ic near the big capacitor. Also ty to replace the OPTO coupler ic. y have to check the all resistors near the ic.

Remember one important thing that the capacitor can hold charge for some time even if you disconnect the power. so after removing the power. remove the SMPS very carefully. discharged the capacitor using a bulb.
i have also added a video for SMPS working for you reference will hep you for repairing your one

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