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🔴 Datron 4700 Calibrator Repair Part 3 – No.828


I continue the repair of my Datron 4700 calibrator.

The Datron 4700 is very similar to the Datron 4705, Datron 4708, as well as the Datron 4200A and Datron 4000.

I keep looking to identify the units problems, I find the cause of the output voltage error and fix it, and then start diagnosing the high voltage output fault.

This is Part 3, there are more videos about the repairs so check out the playlist and subscribe to make sure you don’t miss them when they are released.

Part 1: https://youtu.be/Fvf3GMZI46s
Part 2: https://youtu.be/s2plnAavyKY
Part 3: https://youtu.be/XK1Sid5pXqY
Part 4: https://youtu.be/R7b1J9dplSw

0:00 – Intro.
3:25 – Finding the voltage control fault.
4:45 – Testing after first stage of reference board repair.
9:26 – Re-testing after second stage of reference board repair.
10:00 – Identifying the remaining faults that are present.
14:16 – Tracking down the high voltage fault.
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