Peavey XRD680TB
 

Unit came in completely dead.

Read that others had to replace all output transistors, driver transistors and
bias diodes.

Other cures?


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Peavey XRD680TB
 

On Tuesday, May 14, 2019 at 7:37:05 PM UTC-4, Darryl Widman wrote:
Unit came in completely dead.

Read that others had to replace all output transistors, driver transistors and
bias diodes.

Other cures?


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check the devices with an ohm meter
check the emitter ballast resistors for opens with an ohm meter
use the variac or series light-bulb method when you turn it on again
m