Re: Bridge rectifier.

John wrote:

How do you check a bridge rectifier in circuit to be absolutely sure it needs replacing.

What makes you so sure that's even possible?

Conditions: No power applied as 2amp fuse in the
transformer primary blows immediately power is applied. Usual short circuit procedures followed throughout but I don't place too much reliance on this test . BTW, the rectifier (B40 C3200/2200)) is in a theatre organ purchased from an outfit no longer in business and space on the pcb is at a premium and discourages using single diodes.
Thanks - John




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