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2215/Repairs: Difference between revisions
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==Power Supply Unit== | ==Power Supply Unit== | ||
The [[2213]] oscilloscope and the [[2215]] oscilloscopes with the serial numbers B010100-B029389 for the 2213 model and serial numbers B010100-B031639 all had one dire fault in their design, they had a transformer that supplied too much voltage for the heater filament of the CRT that could lead to premature CRT failure. Tek realizing the problem sent out a letter with instructions on how to fix this issue. The document for this mod is under the service section of the manuals. | The [[2213]] oscilloscope and the [[2215]] oscilloscopes with the serial numbers B010100-B029389 for the 2213 model and serial numbers B010100-B031639 all had one dire fault in their design, they had a transformer that supplied too much voltage for the heater filament of the CRT that could lead to premature CRT failure. Tek realizing the problem sent out a letter with instructions on how to fix this issue. The document for this mod is under the service section of the manuals. | ||
If a CRT seems malfunctioning and does not have such modification installed, a burnt-out filament could be the issue on these scopes, requiring CRT replacement to repair it. | If a CRT seems malfunctioning and does not have such modification installed, a burnt-out filament could be the issue on these scopes, requiring CRT replacement to repair it. | ||
It is very important to install this modification if it hasn't been installed in your 2213 or 2215 already. | It is very important to install this modification if it hasn't been installed in your 2213 or 2215 already. | ||
[[Category:Instrument repair reports]] | [[Category:Instrument repair reports]] | ||