Unplug and Discharge
20 minUnplug discharge B+ filter caps through resistor.
Field context
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Learn radio cap replacement from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.
Unplug discharge B+ filter caps through resistor.
Photo chassis underside before desolder.
Modern caps same uF equal higher voltage rating.
Slow bring voltage monitor current no smoke.
Industry best practices for cap replacement.
All electrolytics — not just one.
Variac power up — explosion prevention.
Polarity wrong — pop fire.