Posts Tagged ‘Test Equipment’

Heathkit TC-1 Tube Tester Restoration Part 8

Part 8: Initial Testing The moment of truth has arrived.  Will it thrive, or go up in smoke?? I plugged the newly reassembled TC-1 into my variac to bring up the voltage slowly.  Before powering on the unit, I put the controls in the following positions: Set Line: Full CCW Filament Voltage: 0.75v Lever switches: […]

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Heathkit TC-1 Tube Tester Restoration Part 7

Part 7: Reassembly – Panel Wiring It’s time to install the wiring harnesses that we made a few days ago onto the panel.  I started with the harness that runs from the 10 lever switches to the tube sockets on the top left of the panel (as viewed from the back).

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Heathkit TC-1 Tube Tester Restoration Part 6

Part 6: Reassembly Con’t… Wiring Harnesses The instructions for assembly in the TC-1 manual leave a lot to be desired.  It is one long, run-on sentence/paragraph that tells you generally what to hook up in sequence.  This was before Heathkit came up with its standard “check the box” format that they became famous for. After […]

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Heathkit TC-1 Tube Tester Restoration Part 5

Part 5 – Reassembly The TC-1 Tube Tester is now fully disassembled.  Now we begin to clean up individual parts and reassemble. I started with cleaning up the tube sockets, by removing the old solder and boiling them for 15 minutes in a 50 -50 mixture of white vinegar and water.  That removed the old […]

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Heathkit TC-1 Tube Tester Restoration Part 4

Part 4 – Cleanup I began cleanup of the TC-1 Tube Tester with corrosion removal on the front panel.  The painted side was in pretty good condition, with just a little discoloration where the rubber grommets were.  I couldn’t get the discoloration out, but new grommets should cover it up pretty well.

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