Question about Samsung DVD-V5500 DVD Player/VCR
My Samsung DVD-V5500 DVD/VCR combo gets no power when switched on.
I found out what the issue was with my Samsung DVD-V5500. It was the rectifier diode on the 15V tap of the high frequency transformer. This is the same issue that someone else with a later model V5600 had talked about. The diode had shorted and behaved like a piece of wire.
Seems to be a bit of weak point in the power supply. The issue can be diagnosed by using a multimeter to measure the resistance between the diode cathode and ground. If the meter is measuring 1 Ohm between the cathode and ground, your diode needs replacing. I just replaced it with a UF4003 diode from Jaycar, which is basically an Ultra Fast 200V 1A diode suitable for switching the high frequency (20-30kHz) output from the transformer.
The diode is located at the rear right hand corner of the board on the output of the power supply section. A picture below shows the new diode between orientated east-west between the large capacitors. The original diode that failed was an SHG2D SHS.
Posted on Oct 04, 2008
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Posted on Jan 02, 2017
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