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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    Just a cheap and basic multimeter at room temperature.
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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    Just an update, I replaced only the resistors (r12 and r26) and no other components...and...SUCCESS!!! So, even though I was getting close to nominal measurements on these resistors (that looked damaged) replacing them corrected the buzzing! So if your resistors look crispy, I would replace them...
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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    Tested the bridge rectifier (in circuit) and it works. I'm going to try swapping out the capacitors and resistor and cleaning the pots before I go any further with the rectifier. Thanks for all the help.
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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    I do have a multimeter and I figured out how to test diodes/capacitors (youtube). So far I haven't located any that are clearly faulty, however I noticed that two of the capacitors have leaked (see pics), not sure if this would cause my problem. They seem to hold voltage which slowly drops off...
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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    I just took things apart, and when with the Digital Converter disconnected R1 is 36.5 Kohm. Connected it was measuring 7 Kohm (not 70 kohm as stated previously). Back to square one! Possibly a diode, mosfet, or capacitor issue. Not sure how to measure these, i'll check youtube.
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    Have an old Klipsch 4.1 speaker system? Did it die? I bet you can fix it!

    After years of being undisturbed and working perfectly, I unplugged the wall plug of my v2.4, 4.1's and they are now unlistenable. Music plays on all channels but extremely muted and distorted, and there is an intermittent buzzing. I've followed many of the instructions in these posts. On...
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