Service and Repair

Articles
Title
The Workbench instruments – The multimeter (ART595E)
Components Recovery (SER003E)
Troubleshooting with the Multimeter (SER002E)
Troubleshooting and Repair (SER001)

Voice activated intercom (CB7828E)
This one-channel circuit was found in a 90s Popular Electronics, functioning as a vox. Components...
Low Voltage Regulator (CB10976E)
This circuit was obtained in a 1982 English magazine. It is a regulator for outputs between 1 and...
Timer 555 (CB18645E)
This basic version of the timer with the 555 was found in documentation from the 1980s. The relay...