Electronics > Repair
Marconi 6200B. service manual
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Johnny10:
Looking for a Marconi 6200B Service Manual.

I am buying a parts/repair unit next week.

Thanks
George Edmonds:
Hi

There is very little information on the Marconi 62XX series available.

I do have a copy of the 6200A service manual, BUT it is over 300MB in size and I am not certain of the Copyright status so am reluctant to put a copy on the internet.

May I suggest that you join the Marconi-Test-Instruments@groups.io there is one member who probably knows more about the 62XX series than most/anyone

G Edmonds
chick0n:
I have a copy of the 6200B Service Manual, but without Schematics. I think its available on xdevs Server...
yep... https://xdevs.com/doc/Marconi/6200B/Marconi_6200B_Service_Manual_OCR.pdf

I own a 6203, so a complete Service Manual for 6200 or 6200A would be nice to have. I already asked in Marconi Group...

I think, there where 3 "iterations", of the 620x Series.

620x - has CRT Display and VCXO Osc.
620xA - is like 6200, but has LCD Display and OCXO Osc.
620xB - has the "A" Stuff + Floppy Drive and you can use detectors with EEPROM Correction. Also the Digital Part is maybe new / more modern. (You can Update Firmware with Floppy now, instead of changing EPROMs.)

If im correct...
chick0n:
We have the Full Service Manuals with schematics for the 6200 and 6200B Series now. I Uploaded them to xdevs server, and ko4bb.

Also the Passwords for 6200:
lvl1: 9999
lvl2: 999999
primary: 456444
marconi: 150357
Ice-Tea:
Absolutely fantastic! Much appreciated!  :clap: :clap:
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