Question about Marantz Audio Players & Recorders
set was playing and just cut out ,no lights or sound.
Often the cause is blown output transistors. This will often burn up biasing resistors and some of the small driver transistors. You can check it directly by the main amp; follow the leads from the speaker terminals and you should find something on a heat sink. If there are two transistors see if they are running hotter than the other channel. If you see any damage to them (compare with good channel) replace both. If all you see is a black box with pins coming out of it you need to replace that. They sometimes have the letters STK on them. Replace both types with the letters and numbers of the same type.
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Posted on May 11, 2009
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Posted on Jan 02, 2017
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