Question about Onkyo HT-S490 System
I have an onkyo ht-r510. When I turn the system on it automatically shuts off and goes into standbye mode. The standbye light blinks. I tried turning it off and back on after 30min. like the manual says. this does not work. My manual says its the amp protection system. how do I reset this? Please help! I just bought it and there isn't a service dealer anywhere close to me.
Your Amp is going into a Protect mode due to the damages of the power transistors and the two 0.22 ohm resistor. Go to you tube and search for onkyo repair and SR600 cap replacement and HTR500 won‘t stay on. In HTR500, I wrote some troubleshooting steps. There is an email in SR600 ,sending an email to me for further discussion.
Posted on Sep 13, 2017
If bought new return immediately for replacement. The amp section is no good and cannot be reset - needs repair. but you are under WARRANTY - use it.
Posted on Sep 06, 2017
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Posted on Jan 02, 2017
SOURCE: Onkio receiver
The output transistors should be replaced in pairs. Also, It may not be just the output transistors that are defective. If you have no experience with these types of repairs, I would suggest that you bring the unit to a service shop. The outputs will run about $15-$25 per pair.
Posted on Aug 29, 2008
SOURCE: Onkio receiver
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
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