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Old 21st April 2010, 02:13 AM   #1
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Default Mark Levinson 431 schematics needed

My ML431 is out of order. It turns on but seems the protection circuit is on therefore it is not producing any sound at all. Is there anywhere that I can download/buy/find the schematics or service manual for Mark Levinson 431?
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Old 6th January 2017, 09:57 AM   #2
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Hi sunsun22,

Had you been successful organizing a schematics for the ML 431? I have also sometimes scratching noise in the left channel and would also need it to investigate it.
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Old 25th January 2017, 07:24 PM   #3
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Hi there,

no info on this amp available? Simply a schematics would be very helpful, is it that top secret that there is only graveyard silence about it?
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Old 25th January 2017, 10:17 PM   #4
mlloyd1 is offline mlloyd1  United States
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generally speaking - yes, they are. especially for a product that is not really so old.

mlloyd1

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Originally Posted by Habadudl View Post
... is it that top secret that there is only graveyard silence about it?
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