Service and Repair

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

High Voltage SCR Variable DC Power Supply (CB13382E)
We found this circuit in a documentation about SCRs from the 70s. The circuit can be implemented with a...
Audio amplifier (CB21977E)
This amplifier with the AC187 and AC188 pair and the CA3130 integrated circuit was found in an...
Transistorized Amplifier (CB13771E)
We found this configuration in a 1974 publication. Transistors can be replaced with equivalents such as...