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Help with my Sansui Z-9000

ardie

ardie

New Member
7CEBD93A-5201-4CE1-B847-56EDB8409F20.jpeg Hello guys and gals, I need some help on my Sansui Z-9000, it’s been my daily for a couple of months now, I notice that when it gets warm the left channel get distorted and sound gets low, read that Sansui has a fuse resistor that gets bad, hopefully it’s something simple, I also check schematics, but can’t get a good copy. Thanks and Happy
 
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Have you determined if the issue is the amp or preamp? If not, pull the pre/main jumpers and use a patch cable to run pre right to amp in left and pre left to amp in right.

If the same channel gets distorted, the problem is in the amp section.

If the problem is in the amp section, I would monitor the bias and see if it drops when you get the distortion.

It could also be something else.

Freeze spray may help you track down the bad component.

Rob
 
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