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Written by Jamie Booth on 2024-12-03 at 17:51

I have some old CRT monitors that I would like repaired, but I've never worked with voltages like that. Everyone says don't do this if you don't know what you are doing. I like living and avoiding major injuries. How do I learn so I can do this safely? I don't have anyone who's done this to help me.

[#]retrocomputing

[#]repair

[#]CRTMonitors

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Written by Linker3000 on 2024-12-03 at 18:16

@jamie Check out some vids and service manuals of CRT insides and repairs.

Understand which bits can bite, even after power down & how the functional blocks interconnect.

Avoid putting two hands inside the operating area to avoid an across the chest shock (hearts don't like that).

Search for your make/model number & "common faults".

Always ensure someone is around to come to your aid (no lone working)

An isolating transformer is wise, but not a solution to all risks.

If in doubt, don't.

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Written by F4GRX Sébastien on 2024-12-03 at 18:38

@linker3000 @jamie and if not in doubt, check twice.

Also remember that some heatsinks may have high voltages on them.

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Toot

Written by Linker3000 on 2024-12-03 at 19:05

@f4grx @jamie On Reddit there's r/tvrepair.

They'll start with the usual earnings, but are a friendly lot.

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