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Old 11th October 2007, 08:40 AM   #21
mrwhy is offline mrwhy  United Kingdom
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Join Date: Sep 2007
Hey you guys who have fixed Marshall AVT Amps!

I got the schematic from Enzo - MANY thanks but my problem is locating things on the main PCB.

My 40, 0, -40 main power supply is FLOATING (at 2/3 of the ECC83/12AX7 B+ above chassis).

Thus the conducting path clearly shown on the schematic is open.
The path that joins the centre-taps of the two transformer secondaries.
But I have searched for many hours and cannot find any such connection (track or link) either on the main PCB or via any other board. Nor any sign of a burn.
Is it hidden under that muck they use to glue the smoothing caps down?

Many thanks
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Old 9th July 2008, 10:34 PM   #22
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i have a avt50 that has some burnt resistors in it and was wondering if any one could send me the schematic

thatks

espwithemgf50@aim.com
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Old 6th January 2009, 01:47 PM   #24
Pug911 is offline Pug911  United States
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Default AVT-50 Schematic

Hi all...I am troubleshooting the Marshall AVT-50 (no output) and in need of a schematic. I have tried some of the links posted elsewhere here, but I guess they're all must be outdated. If anyone has a copy, please post the link here, or better yet, please send to my email address at danielnguyen69@yahoo.com. Much appreciate !!!!
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Old 8th January 2009, 07:23 PM   #25
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Location: Beograd
Marshall AVT50 schematics:


http://web.archive.org/web/200710151...vt50_60_02.pdf
http://web.archive.org/web/200710151...vt50_61_02.pdf
http://web.archive.org/web/200710151...vt50_62_02.pdf
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Old 21st April 2009, 01:59 PM   #26
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Default AVT 150 H pin arrangement

hello there, I am in need of the AVT 150 H pin arrangement from the amplifier. I bought the amp without a footswitch or cable. I then bought the footswitch and got the pin arrangement from that but cant find the pin arrangement in the amp. if anybody could help it would be amazing.

thanks
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Old 27th November 2010, 01:09 PM   #27
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Default MARSHALL AVT50H SCHEMATIC

Help, can anyone supply me with a copy of AVT50H schematic, checked forum and tried number of links without success.

Thanks
Mike
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Old 28th November 2010, 10:44 AM   #28
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Default AVT50H

Hi

Just received a copy of AVT50 schematics from Stephen H, anyone else want copies please post email address and I will forwards.

Mike
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Old 16th December 2010, 09:15 PM   #29
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Hello I would absolutely appreciate a copy of the schematic for a Marshall AVT50H. . . My email is aalvarez.turtle@gmail.com I appreciate your time ! ! !
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Old 3rd March 2011, 12:44 AM   #30
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could i please get a copy as well!! thank you very much!
gootarfreek@yahoo.com
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