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Dead Home Theater Receiver

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  • Dead Home Theater Receiver

    I think the recent hurricane nuked my receiver. Sure it made it past Ike last year but Alex nukes it this year? What gives?

    Anyways, when I watch TV/DVD/BluRay etc I randomly get this extremely loud hissing or popping or screetch. The sounds that it plays depends on the mood of the receiver and how badly it wants to freak my dogs out.

    I reset the surge protector and powered off the receiver and held the power button in (kind of like how you clear the remaining charge before opening a computer) and then tried it again. No luck.

    Also, no there are no shorts in the wires that I could find.

    It is outside of warranty by 4 months (Grrr).

    Any thoughts? If a recording would help I'm sure my Incredible can come to the rescue

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  • #2
    Call Denon/Crutchfield
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    • #3
      Originally posted by billdcat4 View Post
      Call Denon/Crutchfield
      1) Out of warranty repairs are generally not a wise investment

      2) Why call a place I didn't buy it at?
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      • #4
        Screeching and noises like that usually point to a bad component inside the unit- It could be just about anything. If you have the courage to open the unit, you can check the components one by one. Some are easier to test than others however. For someone without electronics experience, the easiest ones to check would be the capacitors and resistors. Resistors that are bad will look a darker, burnt color than its neighbors, whereas bad capacitors may be bulged or leaking. Going further into diagnosing things would require an oscilloscope and a multimeter at least.

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        • #5
          Originally posted by SuperFly03 View Post
          1) Out of warranty repairs are generally not a wise investment

          2) Why call a place I didn't buy it at?
          I suspect he meant to call them for a new replacement......

          Sounds to me like one or more of the caps let loose. Those you can probably replace if you can figure out which ones went junk.
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          • #6
            Originally posted by SirRobin4ever View Post
            Screeching and noises like that usually point to a bad component inside the unit- It could be just about anything. If you have the courage to open the unit, you can check the components one by one. Some are easier to test than others however. For someone without electronics experience, the easiest ones to check would be the capacitors and resistors. Resistors that are bad will look a darker, burnt color than its neighbors, whereas bad capacitors may be bulged or leaking. Going further into diagnosing things would require an oscilloscope and a multimeter at least.
            Yeah... I'm not nearly as skilled as you.

            My version of curing a dead cap is buying a new receiver

            Oh sure I can find it probably but I can't fix it to save my life.
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            • #7
              Originally posted by SuperFly03 View Post
              1) Out of warranty repairs are generally not a wise investment

              2) Why call a place I didn't buy it at?
              I didnt mean call for a replacement.

              If you call them, they might help you diagnose the issue/component at fault even if they arent able to repair it for you.

              Cant hurt
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              • #8
                I had Pioneer receiver that did that. It made crackling and popping sounds that sounded like static interference. But after troubleshooting, I concluded it wasn't. I opened it up to see if there were any obviously fried parts or major dust build up. I didn't find any. My solution was to buy a new receiver. That fixed it.
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                • #9
                  Originally posted by orangegator View Post
                  I had Pioneer receiver that did that. It made crackling and popping sounds that sounded like static interference. But after troubleshooting, I concluded it wasn't. I opened it up to see if there were any obviously fried parts or major dust build up. I didn't find any. My solution was to buy a new receiver. That fixed it.
                  I just opened it up as well... I can't see anything. My guess is a very small resistor blew or something in the rain.

                  Looks like it is time to invest in one of those over priced usually unnecessary power filter/cleaner things to keep my components safe. I shouldn't be buying a new $400 receiver every 2 years.
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                  • #10
                    Originally posted by SuperFly03 View Post
                    I just opened it up as well... I can't see anything. My guess is a very small resistor blew or something in the rain.

                    Looks like it is time to invest in one of those over priced usually unnecessary power filter/cleaner things to keep my components safe. I shouldn't be buying a new $400 receiver every 2 years.
                    It's likely to be a transistor or op-amp or something like that. Most transistors and op-amps can only handle a moderate voltage before permanent damage occurs. A power spike would do that, and leave no damage on the outside of the chip's package.

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                    • #11
                      Originally posted by SirRobin4ever View Post
                      It's likely to be a transistor or op-amp or something like that. Most transistors and op-amps can only handle a moderate voltage before permanent damage occurs. A power spike would do that, and leave no damage on the outside of the chip's package.
                      Why do you always have to be a buzz kill Keith?





                      I guess I have to dish out another $400 for a amp which is what I was afraid of.
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                      • #12
                        If your just 4 months outside of the replacement. Call them up, there is a good chance that they will replace it for you.

                        Samsung warrenteed my DLP TV 1 year out of warranty.

                        Its not hard to get them to do something.

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                        • #13
                          Originally posted by arisythila View Post
                          If your just 4 months outside of the replacement. Call them up, there is a good chance that they will replace it for you.

                          Samsung warrenteed my DLP TV 1 year out of warranty.

                          Its not hard to get them to do something.
                          +1 Dell did it with a laptop 3 months out of warranty
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                          • #14
                            Interesting...
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                            • #15
                              It's at least worth a shot. With the way the economy is going, nobody wants bad press. Most companies are going that extra mile where customer service is concerned to help prevent losing a customer.
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