Service and Repair

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

Pulse generator (CB8917E)
This circuit was found in Radio Electronics from the 90s. It uses a transconductance operational...
Linear VCO with 741 (CB12167E)
We found this circuit in an English publication from the 1980s. The transistor can be BC548 or...
Speaker Protector (CB25397E)
We found this circuit that protects speakers against current surges that occur when the amplifier is...