Question about Onkyo Audio Players & Recorders
I have a 502 same problem i see 12 transistors attached to the heat sink getting around 5 ohms but what legs should i be reading from ,their marked b,c,e and should i also be looking for continuity between legs or not.. the 3 legs and the main bolt.. seperatly ? ?
Posted on Jun 20, 2009
The usual cause of this is shorted output transistors. If you have experience with repairs and can solder, you should be able to repair this yourself. Open up the unit and look for the 3-legged parts attached to the heat sink. These are the output transistors. Post here the markings on those parts so I can give you the entire part number. In order to determine the bad ones, you should have an ohmmeter or diode checker. Post the parts markings and we'll continue from there.
Posted on Aug 14, 2008
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Posted on Jan 02, 2017
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