Service and Repair

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

Power Switch (CB4229E)
This original 70s RCA circuit appears elsewhere on this site, including original RCA...
Electronic Relay (CB504)
circuit is used to increase the sensivity of a relay. A 50 to 100 mA relay can be triggered with...
7.5 V x 1 A Power Supply (CB1179E)
We found this circuit in a 1987 Hands On Electronics. It was indicated at the time to power...