happy new year to everyone.

down here it started nicely, with the Optima ion gauge tripped over the break.
It's controlled by an Edwards Active Gauge Model AIG-E-B2P E-Beam via PCPS.
PCB board charred around the area of IC1, 3 more resistors and a diode burned, can't figure out what the IC was (ST Microelectronics 77????) or the values for the resistors.

Unfortunately not the original Optima setup, hence I do not have schematics or wiring diagrams. 

Question is, has anyone one of these controllers sitting in a shelf and is willing to sell/let it go?
Or: has anyone schematics for this controller (apparently build in 1986)
Or: has anyone this or a similar model (e.g. 004847000, no PCSP port) and can send me a digital image of the area around IC1, center of the PCB assembly, the only LED sits there.

thank you very much,

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University of Tasmania │CSL - Isotope Ratio Mass Spectrometry

Dr. Christian Dietz, Facility Manager Private Bag 74, Hobart, 7005 Tasmania

 ( Tel: (+61) 3 6226 7820, cell phone: (+61) 4 9780 8570 URL: Central Science Laboratory

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