Question about Akai PDP4225M 42 in. Plasma Television
What values should I get when testing the schottky diodes? I've changed all 20+ caps on the power board. Thanks for the advice there where several bad ones but they were leaking from the bottom not the tops.
There is a difference between diodes and capacitors. The role of a diode is to rectify and some cases regulate voltages. Meanwhile, a capacitor is there to hold charges. Back to your question, to check an schottky diode, you need an ohmeter with a diode symbol, the reading starts like this .500, .600, .300. 125. still consider good forward bias. .1200 or infinite reverse bias is consider good still. But it shows 0 continuity then that diode is bad. You can also use ohm's law, resistance to also check a diode. Please e-mail me if you some further lesson at Stevebuy31@hotmail.com
Posted on Jan 22, 2009
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Posted on Jan 02, 2017
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