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Hitachi oscilloscope CRT pinouts and specs needed


Sukhbinder
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We use a CRT setup as a part of our experiment for our students to calculate the e/m ratio of the electron. The experiment is usually referred to as finding e/m ratio using magnetic focusing. The supply to the CRT seems to have some problems and the setup is quite old and no circuit diagrams included. the setup uses a HITACHI oscilloscope CRT. the only thing mentioned on the CRT is TYPE no:95CB31. I was planning to repair the setup but need the CRT pinouts and specs like the heater voltage, current.
Any one having any idea about this. could not find any thing on google.  ;)

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We use a CRT setup as a part of our experiment for our students to calculate the e/m ratio of the electron. The experiment is usually referred to as finding e/m ratio using magnetic focusing. The supply to the CRT seems to have some problems and the setup is quite old and no circuit diagrams included. the setup uses a HITACHI oscilloscope CRT. the only thing mentioned on the CRT is TYPE no:95CB31. I was planning to repair the setup but need the CRT pin outs and specs like the heater voltage, current.
Any one having any idea about this. could not find any thing on google.  ;)

Once you know the Oscilloscope make and model, your user manual will have a schematic for it, where the data for CRT base pins can be retrieved.
further, most Oscilloscope CRTs have similar specs for the same size.
if service manual is needed  to get this data perhaps it can be had from say, http://www.eserviceinfo.com/downloadsm/11578/Hitachi_V-425.html
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