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Sansui TU-9500 Problem

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Posted by Ryan C. Inman on September 23, 2004 at 19:50:42:

Hi All,

My recently acquired TU-9500 has developed a problem, the tuner will not work in stereo mode, and outputs only a mono signal. The FM stereo indicator will not light.

I checked the stereo indicator bulb, and it is good. A quick check of the discriminator diodes proved they are all good.

Does anyone have an idea of what components to check? I suspect one of the dual-gated FET's in the FM front end, but want to be sure. Has anyone else experienced this problem with the TU-9500?

Power supply voltages check out OK.

Best regards,


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