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need info help about a diode for 68 magi

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06-17-2013, 12:17 PM

Don Lindsly Don Lindsly is offline

Ex-Philco

Join Date: Jul 2005

Location: Colorado

Posts: 450

It is a boost diode, it is a fast recovery, high voltage, low current device operating at scan frequency. It should be replaced with the same type. Failure causes low CRT screen voltage and therefore poor brightness.

A typical 1N4007 series diode will get hot and soon fail. Boost diodes should be plentiful.

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