Affected Contacts IP004 (IP004E)

Details: Written by: Newton C. Braga

Contacts in a circuit, potentiometers for instance, can be cleaned using alcohol or other solvent. Use a stylus to scrape the affected zone and clean with alcohol or other solvent.

Circuit Bench

Basic Flip Flop Using the 4013 (CB149)
This circuit turns on and off from pulses applied to the CLK input. The output 0 goes to the “’1"...
Simpson 250 Multimeter (CB1401E )
This was a very popular instrument in the workshops of the 60s and 70s. It was a "top of the line"...
BTL Amplifier TDA2020 (CB4358E)
This integrated amplifier was found in a non-existent British magazine from 1975. The used...

Affected Contacts IP004 (IP004E)

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Circuit Bench

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