For no apparent reason (no lightening storms or abusive children in the house) the front panel of my TX-8511 will no longer light up with any indicators other than a dim red dot indicating power on, I think.
If this were my old Harman Kardon amp, I would check the fuses but there is no external fuse protection that I can see. No combination of front panel buttons seems to change anything.
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Re: Power up problem
Try powering the unit right down by disconnecting from the mains supply. fire up after 5 mins and see what happens. There is a separate transfomer for the standby supply(small red light) An internal fuse may have failed or the thermal fuse inside the transformer. If fuses blow as sson as you fire up = output transistors hay be short circuit.
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The TX-8511 is an older AV receiver with only composite video inputs. Your DVD player may not provide this type of output as it's not capable of HD video. If your dvd player has a composite output with a Red, White & Yellow set of outputs, that will connect into the Video 2 inputs on the receiver. Your TV will need to connect up to the Video2 or Monitor output. You'll need a set of composite video cables with the red-white & yellow RCA type plugs.
Greg- Powered subs are better than non-powered subs (also known as passive subs), anyway I see the TX-8511 has no sub pre-out on the back panel, so you need to decide what sub you will use and run from the receivers left and right speakers output into a subwoofers speaker in from speakers then back out to speakers, look at the back of a subwoofer and you will see like 4 sets of speaker hookups 2 in and 2 out, what this does is takes the low end or bass and drops the signal to the subwoofer then takes the mids and highs out to your left and right speakers, unless your regular left and right stereo speakers have large woofers a sub is the way to go.
If you have a VCR it is easy. Just plug RCA cables into audio out right and audio out left (on VCR) and other ends into VCR audio in right and left at rear of your receiver. If there are two sets of video audio inputs, push button on front of receiver to agree with where you plugged cables in. (ie. Video 1 and video 2)