Mark Levinson ML1 Preamp Schematic

thermionic · 25th February 2009, 12:22 PM

Hi,

A friend of mine has an ML1 with a couple of faults and I'm trying to help him out. Has anyone got a schematic? From what I understand, diagrams for the contents of the potted modules are hard to come by. If you don't have a full diagram, a service manual would be helpful.

I can trace the thing out with oscillator + 'scope probe, but a manual / schematic would save a lot of time.

Many thanks in advance.

Justin

AMV8 · 25th February 2009, 01:37 PM

Hi

Try www.marklev.com

I understand from various threads on diyaudio that the ML1 is derived from the JC2 that was designed by John Curl. There are various threads here discussing the JC2. However you may already know that.

You will find schematics for the jc2 here and on the internet and unless John Curl or someone else can help that may be as close as you will get.

Don

johnYks · 25th February 2009, 03:49 PM

Hello Justin

I have emailed you and will forward more information
when work commitments allow - this is to make doubly sure
that you have received and read my reply.

Yours Sincerely
John

PS
Start with this thread in the Solid State section
Need to build JC 2 preamp

HKC · 26th February 2009, 12:26 AM

Hi John

How have you been? Are you making any interesting project that can be shared?

25th February 2009, 12:22 PM	#1
thermionic diyAudio Member Join Date: Jan 2004 Location: UK	Mark Levinson ML1 Preamp Schematic Hi, A friend of mine has an ML1 with a couple of faults and I'm trying to help him out. Has anyone got a schematic? From what I understand, diagrams for the contents of the potted modules are hard to come by. If you don't have a full diagram, a service manual would be helpful. I can trace the thing out with oscillator + 'scope probe, but a manual / schematic would save a lot of time. Many thanks in advance. Justin

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25th February 2009, 01:37 PM	#2
AMV8 diyAudio Member Join Date: Jan 2005 Location: near london	Hi Try www.marklev.com I understand from various threads on diyaudio that the ML1 is derived from the JC2 that was designed by John Curl. There are various threads here discussing the JC2. However you may already know that. You will find schematics for the jc2 here and on the internet and unless John Curl or someone else can help that may be as close as you will get. Don

25th February 2009, 03:49 PM	#3
johnYks diyAudio Member Join Date: May 2006	Hello Justin I have emailed you and will forward more information when work commitments allow - this is to make doubly sure that you have received and read my reply. Yours Sincerely John PS Start with this thread in the Solid State section Need to build JC 2 preamp

26th February 2009, 12:26 AM	#4
HKC diyAudio Member Join Date: Jan 2003 Location: Hong Kong	Hi John How have you been? Are you making any interesting project that can be shared?

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