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Mcintosh MC4000M car amplifier, I need the service manual o somo shop that can repair it

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Carver TFM 45 Repair manual

yes yes

Posted on Jan 11, 2008

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SOURCE: amplifier repair

any luck, I can help, cant get a manual or any info, what problem are we solving?


Posted on Apr 21, 2008

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SOURCE: McIntosh MC7106 Amplifier not powering up

It can be a variety of reasons but I feel that your amplifier is shutting off after powering on. There is nothing that can be done from the outside but If you are familiar with basic electronics and can attempt to take a look I can try. Open the set after you have pulled off the power, then look into the set and tighten all the connectors and cords. Power on and see where the click comes and goes off. If the relay is not holding on then your protect circuit is shutting it off. Armed with a multimeter turn on the power and check if the main +B power is coming to the output stages.If there is momentary swithch on , then disconnect power and test the continuity in the output stages. If hsort open the leads to the output section and then power on. If the relay stays we have found the fault. you can go on to change the failed outputs. If however the outputs were tested ok, then your fault could be the relay or the protect circuit, Hold a rely for a moment to see if the amplifier powers on, if so check the relay drive transistor , the biasing to the stage. Try this out and I hope my advice helps. Good day

Posted on Jul 24, 2010

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I need a owners/operating manual i can download & print for a mcintosh mc 300.

HI daisyo1

You can get a copy from this site. The file needs a password to download from this page, the owner of the site is quite cooperative, and when he checks his emails(every few weeks or so) he apparantly will just send you the password. He likes to swap for other files if you have any :)

If it does not work out, please let me know here and I will look further for you. Cheers
Thanks for using FixYa.
Good Luck.


Apr 21, 2009 | Mcintosh MC300 Amplifier

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