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BG143 - Full in-depth walk through of how to calibrate a TV-7 Tube Tester. This applies to the TV-7D/U, TV-7C/U, TV-7B/U, TV-7A/U, etc. We also show how to replace the meter and bias potentiometer if needed. Also shown is how to replace the power cord with a modern 3 prong cord as well as a little history on these units.
A link to the instructions can be found here:
blueglowelectr...