How to Repair Power Amplifiers | Techwalla
https://www.techwalla.com/articles/how-to-repair-power-amplifiers
How to Repair Power Amplifiers Turn the amplifier off at the wall and allow it cool down. Turn the volume to zero. ... Turn the amplifier back on. If the LED that indicates "on" is illuminated, you can rule out a problem in the power supply. Unscrew the back panel and remove the chassis. ... Inspect the wiring and solder joints. ...
Turn the amplifier off at the wall and allow it cool down. Turn the volume to zero. ...
Turn the amplifier back on. If the LED that indicates "on" is illuminated, you can rule out a problem in the power supply.
Unscrew the back panel and remove the chassis. ...
Inspect the wiring and solder joints. ...
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