Question about Audio Players & Recorders
I am an electronics tech... Receiver goes into power protection as soon as it is turned on. I tried a factor reset. I have the service manual. What I need to know is... " Is this most likely a transistor on the final amp heat sink? Is there anyway of isolating bad component without removing heat sink board, transistors and checking them individually with an ohm meter? There is major dis-assembly involved to get the board out.. Am I overlooking anything? Anyway of isolating to board without disassembly?
What brand/model of receiver are we talking about?
Posted on Jan 02, 2014
Testimonial: "Onkyo TX-500sr... At this point i just need to know where to buy finals... what they are calling power triodes.. KB817Y and KD1047Y as well as the resistor pack RSS2WK-0.22."
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Posted on Jan 02, 2017
SOURCE: Amp Protection Mode
from LANCE P: I fixed it. Be sure that all your speaker connections are perfect. No element frays that can arc, no +/- problems, no single barely connected wire. My problem was volume sensitve and I evidently had one + wire that was loose in the back. I corrected it and ran it all day with surround and good volume with no problems. So diligently check ALL YOUR SPEAKER CONNECTIONS, both in the back of the unit and at your speakers
Posted on Mar 31, 2008
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