Question about KLH R5100 Receiver

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SDP and surround modes

The DSP modes in my receiver stopped working so I can only hear things from stereo mode. It started as a periodic thing but now is streao only. Any suggestions? Hve I overheated the unit somehow? Perhaps a blown fuse? Any help wll be appreciated

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I had (have) the same problem. It didn't seem to have any particular cause or reason why it would start or stop. I got tired of this & purchased a refurb Onkyo (shoponkyo.com). As long as I felt I had nothing to lose I took the cover off the KLH & started pulling & reseating the remomable plugs. When that didn't help I started banging different components. When I hit a black semiconductor on the right side I heard a pop, like when I would lose the surround. It is labeled "MX" just along side there is a paper label(0270100). It is the largest black semiconductor on the main board. I then banged it a bit harder a few more times & the surround was back & worked fine. a few days later I lost the surround again. A few knocks on the "MX" brought in back again. I can't tell for sure if this can be pulled & reset, but for now I am leaving the cover of & am ready to give "MX" a couple of shots with a screwdriver handle.

Posted on Jun 02, 2007

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Press test/set up if you don't hear a noise you have a defected receiver

Posted on Mar 29, 2007

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