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Old 12th May 2004, 06:24 PM   #1
Mat is offline Mat  Malaysia
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Default Marantz PM 75

Need help! My Marantz PM 75 is dead. Opened it and found that some parts come without numbering and coding. Thinking of doing some modification too. Much appreciate it if anyone could tell this me where to get the service manual or the schematics.

p.s. Hi everybody. new here. happy to be here. a lot of diy dudes and dudettes from all over the world here. and last but not least......hhheeelllpppp!!!
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Old 13th May 2004, 08:02 AM   #2
hjelm is offline hjelm  Sweden
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Hi,
My PM66KI was dead but it turned out that it was the supply for the output relay that was dead, a resistor had burned in the stabilizing circuit. Listen for a click on turn on if it is not there then the relay is not closing.
Just a suggestion.
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Old 13th May 2004, 01:54 PM   #3
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Default I tried to find it hard for you

Unfortunattelly i could not find in whole internet.

Carlos
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Old 13th May 2004, 02:04 PM   #4
hjelm is offline hjelm  Sweden
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Shaltungsdienst
Has the manual but i do not know if it is cinvenient for you to buy it from there.
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Old 15th May 2004, 02:56 AM   #5
Mat is offline Mat  Malaysia
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Hi everybody!

Thanks hjelm for the suggestion but unfortunately what i've got here is more than a burned resistor. I've had actually saw smoke coming out from my amp. I'd opened it up and found out that all the power transistors are burned (8 pcs in total - i never knew that this amp got that many power transistors, i believed that the PM66KI has only 4) with few more other things. What makes matter worse is that all those parts are not coded. Those Marantz guys had wipe out the numbering on the parts. Oooohhh boy.....

Yes Carlos. Ive been searching for the schematics all over the internet with no luck. Thanks for trying anyway. But hjelm has put a link that might help (www.schaltungsdienst.de). I shall try it. I will post the results later.

Thanks hjelm.
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Old 15th May 2004, 06:19 PM   #6
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Default We can find, but have to pay

Really, i think this is out of purpose... i hate internet to make business...but i know it is, and i will more and more.

I was dreaming with Internet as a open book store.... biblioteque, free library, where people put their infos and ideas... the damn money again!

When someone ask schematic i spend whole nigth watching, only to avoid a friend to enter the shark's mouth.

Carlos
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Old 20th January 2006, 07:54 AM   #7
Mat is offline Mat  Malaysia
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I've found the schematic for the Marantz PM75. Just email me if you want it.

Mat
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Quite a while for me to obtain it but it's free!!
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